Initial prototype of web UI -- attempt 2.

This reverts commit 0059e3d133.

.drone.yml

@@ -3,7 +3,7 @@ name: build-and-test
 
 steps:
 - name: test
-  image: rust:1.80
+  image: rust:1.51
   commands:
   - apt-get update
   - apt-get install -y cmake
@@ -14,9 +14,8 @@ steps:
 - name: docker
   image: plugins/docker
   when:
-    ref:
-    - refs/tags/v*
-    - refs/heads/master
+    branch:
+    - master
   settings:
     auto_tag: true
     username:

.gitignore

@@ -12,3 +12,7 @@ bigboy
 .#*
 *.sqlite
 .tmp*
+node_modules
+dist/
+yarn-error.log
+api/dist

Cargo.toml

@@ -2,5 +2,7 @@
 
 members = [
     "dicebot",
-    "rpc"
+    "rpc",
+    "api",
+    "web-ui/crate",
 ]

Dockerfile

@@ -1,15 +1,16 @@
 # Builder image with development dependencies.
-FROM ghcr.io/void-linux/void-linux:latest-mini-x86_64 as builder
-RUN xbps-install -S
-RUN xbps-install -yu xbps
+FROM bougyman/voidlinux:glibc as builder
 RUN xbps-install -Syu
-RUN xbps-install -Sy base-devel rustup cmake wget gnupg
+RUN xbps-install -Sy base-devel rustup cargo cmake wget gnupg
 RUN xbps-install -Sy openssl-devel libstdc++-devel
 RUN rustup-init -qy
 
 # Install tini for signal processing and zombie killing
 ENV TINI_VERSION v0.19.0
 ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/local/bin/tini
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini.asc /tini.asc
+RUN gpg --batch --keyserver hkp://keyserver.ubuntu.com --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \
+ && gpg --batch --verify /tini.asc /usr/local/bin/tini
 RUN chmod +x /usr/local/bin/tini
 
 # Build dicebot
@@ -19,10 +20,7 @@ ADD . ./
 RUN . /root/.cargo/env && cargo build --release
 
 # Final image
-FROM ghcr.io/void-linux/void-linux:latest-mini-x86_64
-RUN xbps-install -S
-RUN xbps-install -yu xbps
-RUN xbps-install -Syu
+FROM bougyman/voidlinux:tiny
 RUN xbps-install -Sy ca-certificates libstdc++
 COPY --from=builder \
     /root/src/target/release/dicebot \

README.md

@@ -1,7 +1,6 @@
 # Tenebrous Dicebot
 
 [![Build Status](https://drone.agnos.is/api/badges/projectmoon/tenebrous-dicebot/status.svg)](https://drone.agnos.is/projectmoon/tenebrous-dicebot)
-[![Matrix Chat](https://img.shields.io/matrix/tenebrous:agnos.is?label=matrix&server_fqdn=matrix.org)][matrix-room]
 
 _This repository is hosted on [Agnos.is Git][main-repo] and mirrored
 to [GitHub][github-repo]._
@@ -25,23 +24,6 @@ System.
 * Works in encrypted or unencrypted Matrix rooms.
 * Storing variables created by the user.
 
-## Support and Community
-
-The project has a Matrix room at [#tenebrous:agnos.is][matrix-room].
-It is also possible to make a post in [GitHub
-Discussions][github-discussions].
-
-For reporting bugs, we prefer that you open an issue on
-[git.agnos.is][agnosis-git-issues]. However, you may also open an
-issue on [GitHub][github-issues].
-
-### Development and Contributions
-
-All development occurs on [git.agnos.is][main-repo]. If you wish to
-contribute, please open a pull request there. In some cases, pull
-requests from GitHub may be accepted. All contributions must be
-licensed under [AGPL 3.0 or later][agpl] to be accepted.
-
 ## Building and Installation
 
 ### Docker Image
@@ -64,17 +46,6 @@ root of the repository.
 After pulling or building the image, see [instructions on how to use
 the Docker image](#running-the-bot).
 
-### Install from crates.io
-
-The project can be from [crates.io][crates-io]. To install it, execute
-`cargo install tenebrous-dicebot`. This will make the following
-executables available on your system:
-
-* `dicebot`: Main dicebot executable.
-* `dicebot-cmd`: Run dicebot commands from the command line.
-* `dicebot_migrate`: Standalone database migrator (not required).
-* `tonic_client`: Test client for the gRPC connection (not required).
-
 ### Build from Source
 
 Precompiled executables are not yet available. Clone this repository
@@ -118,16 +89,8 @@ expressions.
 !r 3d12 - 5d2 + 3 - 7d3 + 20d20
 ```
 
-#### Keep/Drop Dice
-The bot supports either keeping the highest dice in a roll, or
-dropping the highest dice in a roll.  This allows the bot to handle 
-things like D&D 5e advantage or disadvantage.
-
-```
-!roll 2d20k1
-!r 2d20dh1 + 5
-!r 10d10k5 + 10d10dh5 - 2
-```
+This system does not yet have the capability to handle things like D&D
+5e advantage or disadvantage.
 
 ### Storytelling System
 
@@ -278,7 +241,6 @@ The most basic plans are:
 * Perhaps some sort of character sheet integration. But for that, we
   would need a sheet service.
 * Use environment variables instead of config file in Docker image.
-* Per-system game rules.
 
 ## Credits
 
@@ -292,9 +254,3 @@ support added for Chronicles of Darkness and Call of Cthulhu.
 [main-repo]: https://git.agnos.is/projectmoon/tenebrous-dicebot
 [github-repo]: https://github.com/ProjectMoon/matrix-dicebot
 [roadmap]: https://git.agnos.is/projectmoon/tenebrous-dicebot/wiki/Roadmap
-[crates-io]: https://crates.io/crates/tenebrous-dicebot
-[matrix-room]: https://matrix.to/#/#tenebrous:agnos.is
-[agnosis-git-issues]: https://git.agnos.is/projectmoon/tenebrous-dicebot/issues
-[github-discussions]: https://github.com/ProjectMoon/matrix-dicebot/discussions
-[github-issues]: https://github.com/ProjectMoon/matrix-dicebot/issues
-[agpl]: https://www.gnu.org/licenses/agpl-3.0.en.html

api/Cargo.toml

@@ -0,0 +1,24 @@
+[package]
+name = "tenebrous-api"
+version = "0.1.0"
+authors = ["projectmoon <projectmoon@agnos.is>"]
+edition = "2018"
+
+[dependencies]
+log = "0.4"
+tracing-subscriber = "0.2"
+tonic = { version = "0.4" }
+prost = "0.7"
+thiserror = "1.0"
+substring = "1.4"
+jsonwebtoken = "7.2"
+chrono = "0.4"
+serde = {version = "1.0", features = ["derive"] }
+serde_json = {version = "1.0" }
+tenebrous-rpc = { path = "../rpc" }
+# juniper = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
+# juniper_rocket = { git = "https://github.com/graphql-rust/juniper", branch = "master" }
+juniper = "0.15.7"
+juniper_rocket = "0.8.0"
+rocket = { version = "0.5.0-rc.1", features = ["json", "secrets"] }
+rocket_cors = { git = "https://github.com/lawliet89/rocket_cors", branch = "master" }

api/Rocket.toml

@@ -0,0 +1,10 @@
+[default]
+address = "0.0.0.0"
+port = 10000
+keep_alive = 5
+read_timeout = 5
+write_timeout = 5
+log = "normal"
+limits = { forms = 32768 }
+origins = [ "http://localhost:8000" ]
+jwt_secret = "abc123"

api/src/api.rs

@@ -0,0 +1,90 @@
+use crate::auth::User;
+use crate::config::create_config;
+use crate::schema::{self, Context, Schema};
+use log::info;
+use rocket::http::Method;
+use rocket::{response::content, Rocket, State};
+use rocket_cors::AllowedOrigins;
+use std::env;
+use tracing_subscriber::filter::EnvFilter;
+
+#[rocket::get("/")]
+fn graphiql() -> content::Html<String> {
+    juniper_rocket::graphiql_source("/graphql", None)
+}
+
+#[rocket::get("/graphql?<request>")]
+async fn get_graphql_handler(
+    context: &State<Context>,
+    request: juniper_rocket::GraphQLRequest,
+    schema: &State<Schema>,
+) -> juniper_rocket::GraphQLResponse {
+    request.execute(&*schema, &*context).await
+}
+
+#[rocket::post("/graphql", data = "<request>")]
+async fn post_graphql_handler(
+    context: &State<Context>,
+    request: juniper_rocket::GraphQLRequest,
+    schema: &State<Schema>,
+    user: User,
+) -> juniper_rocket::GraphQLResponse {
+    println!("User is {:?}", user);
+    request.execute(&*schema, &*context).await
+}
+
+pub async fn run() -> Result<(), Box<dyn std::error::Error>> {
+    let filter = if env::var("RUST_LOG").is_ok() {
+        EnvFilter::from_default_env()
+    } else {
+        EnvFilter::new("tenebrous_api=info,tonic=info,rocket=info,rocket_cors=info")
+    };
+
+    tracing_subscriber::fmt().with_env_filter(filter).init();
+
+    log::info!("Setting up gRPC connection");
+    let rocket = Rocket::build();
+    let config = create_config(&rocket);
+
+    info!("Allowed CORS origins: {}", config.allowed_origins.join(","));
+
+    //TODO move to config
+    let client = tenebrous_rpc::create_client("http://localhost:9090", "abc123").await?;
+
+    let context = Context {
+        dicebot_client: client,
+    };
+
+    let schema = schema::schema();
+
+    let allowed_origins = AllowedOrigins::some_exact(&config.allowed_origins);
+
+    let cors = rocket_cors::CorsOptions {
+        allowed_origins,
+        allowed_methods: vec![Method::Get, Method::Post]
+            .into_iter()
+            .map(From::from)
+            .collect(),
+        allow_credentials: true,
+        ..Default::default()
+    }
+    .to_cors()?;
+
+    let routes: Vec<rocket::Route> = {
+        rocket::routes![graphiql, get_graphql_handler, post_graphql_handler]
+            .into_iter()
+            .chain(crate::auth::routes().into_iter())
+            .collect()
+    };
+
+    rocket
+        .mount("/", routes)
+        .attach(cors)
+        .manage(context)
+        .manage(schema)
+        .manage(config)
+        .launch()
+        .await
+        .expect("server to launch");
+    Ok(())
+}

api/src/auth.rs

@@ -0,0 +1,154 @@
+use crate::config::Config;
+use crate::errors::ApiError;
+use chrono::{Duration, Utc};
+use jsonwebtoken::{decode, encode, Algorithm, DecodingKey, EncodingKey, Header, Validation};
+use rocket::response::status::Custom;
+use rocket::{http::SameSite, request::local_cache};
+use rocket::{
+    http::Status,
+    serde::{json::Json, Deserialize, Serialize},
+};
+use rocket::{
+    http::{Cookie, CookieJar},
+    outcome::Outcome,
+};
+use rocket::{
+    outcome::IntoOutcome,
+    request::{self, FromRequest, Request},
+};
+use rocket::{routes, Route, State};
+use substring::Substring;
+
+#[derive(Clone, Debug)]
+pub(crate) struct User {
+    username: String, //TODO more state and such here.
+}
+
+fn decode_token(token: &str, config: &Config) -> Result<Claims, ApiError> {
+    let token_data = decode::<Claims>(
+        token,
+        &DecodingKey::from_secret(config.jwt_secret.as_bytes()),
+        &Validation::default(),
+    )?;
+
+    Ok(token_data.claims)
+}
+
+#[rocket::async_trait]
+impl<'r> FromRequest<'r> for User {
+    type Error = ApiError;
+
+    async fn from_request(req: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
+        let config: Option<&Config> = req.rocket().state();
+        let auth_header = req
+            .headers()
+            .get_one("Authorization")
+            .map(|auth| auth.substring("Bearer ".len(), auth.len()));
+
+        let token = auth_header
+            .zip(config)
+            .map(|(encoded_token, app_cfg)| decode_token(encoded_token, app_cfg))
+            .unwrap_or(Err(ApiError::AuthenticationDenied("username".to_string())));
+
+        match token {
+            Err(e) => Outcome::Failure((Status::Forbidden, e)),
+            Ok(token) => Outcome::Success(User {
+                username: token.sub,
+            }),
+        }
+    }
+}
+
+pub(crate) fn routes() -> Vec<Route> {
+    routes![login, refresh_token]
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct Claims {
+    exp: usize,
+    sub: String,
+}
+
+#[derive(Deserialize)]
+struct LoginRequest<'a> {
+    username: &'a str,
+    password: &'a str,
+}
+
+fn create_token<'a>(
+    username: &str,
+    expiration: Duration,
+    secret: &str,
+) -> Result<String, ApiError> {
+    let expiration = Utc::now()
+        .checked_add_signed(expiration)
+        .expect("clock went awry")
+        .timestamp();
+
+    let claims = Claims {
+        exp: expiration as usize,
+        sub: username.to_owned(),
+    };
+
+    let token = encode(
+        &Header::default(),
+        &claims,
+        &EncodingKey::from_secret(secret.as_bytes()),
+    )?;
+
+    Ok(token)
+}
+
+#[derive(Serialize)]
+struct LoginResponse {
+    jwt_token: String,
+}
+
+/// A strongly-typed representation of the refresh token, used with a
+/// FromRequest trait to decode it from the cookie.
+struct RefreshToken(String);
+
+#[rocket::async_trait]
+impl<'r> FromRequest<'r> for RefreshToken {
+    type Error = ();
+
+    async fn from_request(request: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
+        let token: Option<RefreshToken> = request
+            .cookies()
+            .get_private("refresh_token")
+            .and_then(|cookie| cookie.value().parse::<String>().ok())
+            .map(|t| RefreshToken(t));
+
+        token.or_forward(())
+    }
+}
+
+#[rocket::post("/login", data = "<request>")]
+async fn login(
+    request: Json<LoginRequest<'_>>,
+    config: &State<Config>,
+    cookies: &CookieJar<'_>,
+) -> Result<Json<LoginResponse>, ApiError> {
+    let token = create_token(request.username, Duration::minutes(1), &config.jwt_secret)?;
+    let refresh_token = create_token(request.username, Duration::weeks(1), &config.jwt_secret)?;
+
+    let mut cookie = Cookie::new("refresh_token", refresh_token);
+    cookie.set_same_site(SameSite::None);
+    cookies.add_private(cookie);
+
+    Ok(Json(LoginResponse { jwt_token: token }))
+}
+
+#[rocket::post("/refresh")]
+async fn refresh_token(
+    config: &State<Config>,
+    refresh_token: Option<RefreshToken>,
+) -> Result<Json<LoginResponse>, ApiError> {
+    let refresh_token = refresh_token.ok_or(ApiError::RefreshTokenMissing)?;
+    let refresh_token = decode_token(&refresh_token.0, config)?;
+
+    //TODO check if token is valid? maybe decode takes care of it.
+    let token = create_token(&refresh_token.sub, Duration::minutes(1), &config.jwt_secret)?;
+
+    Ok(Json(LoginResponse { jwt_token: token }))
+}

api/src/bin/generate_schema.rs

@@ -0,0 +1,4 @@
+use tenebrous_api::schema;
+fn main() {
+    println!("{}", schema::schema().as_schema_language());
+}

api/src/config.rs

@@ -0,0 +1,22 @@
+use rocket::{Phase, Rocket};
+
+/// Config values for the API service. Available as a rocket request
+/// guard.
+pub struct Config {
+    /// The list of origins allowed to access the service.
+    pub allowed_origins: Vec<String>,
+
+    /// The secret key for signing JWTs.
+    pub jwt_secret: String,
+}
+
+pub fn create_config<T: Phase>(rocket: &Rocket<T>) -> Config {
+    let figment = rocket.figment();
+    let allowed_origins: Vec<String> = figment.extract_inner("origins").expect("origins");
+    let jwt_secret: String = figment.extract_inner("jwt_secret").expect("jwt_secret");
+
+    Config {
+        allowed_origins,
+        jwt_secret,
+    }
+}

api/src/errors.rs

@@ -0,0 +1,48 @@
+use rocket::http::ContentType;
+use rocket::response::{self, Responder, Response};
+use rocket::{http::Status, request::Request};
+use std::io::Cursor;
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum ApiError {
+    #[error("user account does not exist: {0}")]
+    UserDoesNotExist(String),
+
+    #[error("invalid password for user account: {0}")]
+    AuthenticationDenied(String),
+
+    #[error("authentication token missing from request")]
+    AuthenticationRequired,
+
+    #[error("refresh token missing from request")]
+    RefreshTokenMissing,
+
+    #[error("error decoding token: {0}")]
+    TokenDecodingError(#[from] jsonwebtoken::errors::Error),
+}
+
+#[rocket::async_trait]
+impl<'r> Responder<'r, 'static> for ApiError {
+    fn respond_to(self, _: &'r Request<'_>) -> response::Result<'static> {
+        let status = match self {
+            Self::UserDoesNotExist(_) => Status::Forbidden,
+            Self::AuthenticationRequired => Status::Forbidden,
+            Self::RefreshTokenMissing => Status::Forbidden,
+            Self::AuthenticationDenied(_) => Status::Forbidden,
+            Self::TokenDecodingError(_) => Status::InternalServerError,
+        };
+
+        //TODO certain errors might be too sensitive; need to filter them here.
+        let body = serde_json::json!({
+            "message": self.to_string()
+        })
+        .to_string();
+
+        Response::build()
+            .header(ContentType::JsonApi)
+            .status(status)
+            .sized_body(body.len(), Cursor::new(body))
+            .ok()
+    }
+}

api/src/grpc_web.rs

@@ -0,0 +1,42 @@
+// use std::net::SocketAddr;
+// use tenebrous_rpc::protos::web_api::{
+//     web_api_server::{WebApi, WebApiServer},
+//     RoomsListReply, UserIdRequest,
+// };
+// use tokio::net::TcpListener;
+// use tokio_stream::wrappers::TcpListenerStream;
+// use tonic::{transport::Server, Request, Response, Status};
+
+//grpc-web stuff
+// struct WebApiService;
+
+// #[tonic::async_trait]
+// impl WebApi for WebApiService {
+//     async fn list_room(
+//         &self,
+//         request: Request<UserIdRequest>,
+//     ) -> Result<Response<RoomsListReply>, Status> {
+//         println!("Hello hopefully from a web browser");
+//         Ok(Response::new(RoomsListReply { rooms: vec![] }))
+//     }
+// }
+
+// #[tokio::main]
+// pub async fn grpc_web() -> Result<(), Box<dyn std::error::Error>> {
+//     let addr = SocketAddr::from(([127, 0, 0, 1], 10000));
+//     let listener = TcpListener::bind(addr).await.expect("listener");
+//     let url = format!("http://{}", listener.local_addr().unwrap());
+//     println!("Listening at {}", url);
+
+//     let svc = tonic_web::config()
+//         .allow_origins(vec!["http://localhost:8000"])
+//         .enable(WebApiServer::new(WebApiService));
+
+//     let fut = Server::builder()
+//         .accept_http1(true)
+//         .add_service(svc)
+//         .serve_with_incoming(TcpListenerStream::new(listener));
+
+//     fut.await?;
+//     Ok(())
+// }

api/src/lib.rs

@@ -0,0 +1,5 @@
+pub mod api;
+pub mod auth;
+pub mod config;
+pub mod errors;
+pub mod schema;

api/src/main.rs

@@ -0,0 +1,5 @@
+#[rocket::main]
+pub async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    tenebrous_api::api::run().await?;
+    Ok(())
+}

api/src/schema.rs

@@ -0,0 +1,117 @@
+use juniper::{
+    graphql_object, EmptyMutation, EmptySubscription, FieldResult, GraphQLObject, RootNode,
+};
+use tenebrous_rpc::protos::dicebot::GetVariableRequest;
+use tenebrous_rpc::protos::dicebot::{dicebot_client::DicebotClient, UserIdRequest};
+use tonic::{transport::Channel as TonicChannel, Request as TonicRequest};
+
+/// Hide generic type behind alias.
+pub type DicebotGrpcClient = DicebotClient<TonicChannel>;
+
+/// Single room for a user.
+#[derive(GraphQLObject)]
+#[graphql(description = "A matrix room.")]
+struct Room {
+    room_id: String,
+    display_name: String,
+}
+
+/// List of rooms a user is in.
+#[derive(GraphQLObject)]
+#[graphql(description = "List of rooms a user is in.")]
+struct UserRoomList {
+    user_id: String,
+    rooms: Vec<Room>,
+}
+
+/// A single user variable in a room.
+#[derive(GraphQLObject)]
+#[graphql(description = "User variable in a room.")]
+struct UserVariable {
+    room_id: String,
+    user_id: String,
+    variable_name: String,
+    value: i32,
+}
+
+/// Context passed to every GraphQL function that holds stuff we need
+/// (GRPC client).
+#[derive(Clone)]
+pub struct Context {
+    pub dicebot_client: DicebotGrpcClient,
+}
+
+/// Marker trait to make the context object usable in GraphQL.
+impl juniper::Context for Context {}
+
+#[derive(Clone, Copy, Debug)]
+pub struct Query;
+
+#[graphql_object(
+   context = Context,
+)]
+impl Query {
+    fn api_version() -> &str {
+        "1.0"
+    }
+
+    async fn variable(
+        context: &Context,
+        room_id: String,
+        user_id: String,
+        variable: String,
+    ) -> FieldResult<UserVariable> {
+        let request = TonicRequest::new(GetVariableRequest {
+            room_id,
+            user_id,
+            variable_name: variable,
+        });
+
+        let response = context
+            .dicebot_client
+            .clone()
+            .get_variable(request)
+            .await?
+            .into_inner();
+
+        Ok(UserVariable {
+            user_id: response.user_id,
+            room_id: response.room_id,
+            variable_name: response.variable_name,
+            value: response.value,
+        })
+    }
+
+    async fn user_rooms(context: &Context, user_id: String) -> FieldResult<UserRoomList> {
+        let request = TonicRequest::new(UserIdRequest { user_id });
+
+        let response = context
+            .dicebot_client
+            .clone()
+            .rooms_for_user(request)
+            .await?
+            .into_inner();
+
+        Ok(UserRoomList {
+            user_id: response.user_id,
+            rooms: response
+                .rooms
+                .into_iter()
+                .map(|grpc_room| Room {
+                    room_id: grpc_room.room_id,
+                    display_name: grpc_room.display_name,
+                })
+                .collect(),
+        })
+    }
+}
+
+pub type Schema = RootNode<'static, Query, EmptyMutation<Context>, EmptySubscription<Context>>;
+
+pub fn schema() -> Schema {
+    Schema::new(
+        Query,
+        EmptyMutation::<Context>::new(),
+        EmptySubscription::<Context>::new(),
+    )
+}

dicebot/Cargo.toml

@@ -1,12 +1,11 @@
 [package]
 name = "tenebrous-dicebot"
-version = "0.13.2"
-rust-version = "1.68"
-authors = ["projectmoon <projectmoon@agnos.is>", "Taylor C. Richberger <taywee@gmx.com>"]
+version = "0.10.0"
+authors = ["Taylor C. Richberger <taywee@gmx.com>", "projectmoon <projectmoon@agnos.is>"]
 edition = "2018"
 license = 'AGPL-3.0-or-later'
 description = 'An async Matrix dice bot for role-playing games'
-readme = '../README.md'
+readme = 'README.md'
 repository = 'https://git.agnos.is/projectmoon/matrix-dicebot'
 keywords = ["games", "dice", "matrix", "bot"]
 categories = ["games"]
@@ -15,8 +14,6 @@ categories = ["games"]
 tonic-build = "0.4"
 
 [dependencies]
-# indexmap version locked fixes a dependency cycle.
-# indexmap = "=1.6.2"
 log = "0.4"
 tracing-subscriber = "0.2"
 toml = "0.5"
@@ -33,19 +30,18 @@ combine = "4.5"
 futures = "0.3"
 html2text = "0.2"
 phf = { version = "0.8", features = ["macros"] }
-matrix-sdk = { version = "0.6" }
-refinery = { version = "0.8", features = ["rusqlite"]}
-barrel = { version = "0.7", features = ["sqlite3"] }
-strum = { version = "0.22", features = ["derive"] }
+matrix-sdk = { git = "https://github.com/matrix-org/matrix-rust-sdk", branch = "master" }
+refinery = { version = "0.5", features = ["rusqlite"]}
+barrel = { version = "0.6", features = ["sqlite3"] }
 tempfile = "3"
 substring = "1.4"
 fuse-rust = "0.2"
-tonic = "0.4"
+tonic = { version = "0.4" }
 prost = "0.7"
-tenebrous-rpc = { path = "../rpc", version = "0.1.0" }
+tenebrous-rpc = { path = "../rpc" }
 
 [dependencies.sqlx]
-version = "0.6"
+version = "0.5"
 features = [ "offline", "sqlite", "runtime-tokio-native-tls" ]
 
 [dependencies.serde]

dicebot/Dockerfile

@@ -0,0 +1,35 @@
+# Builder image with development dependencies.
+FROM bougyman/voidlinux:glibc as builder
+RUN xbps-install -Syu
+RUN xbps-install -Sy base-devel rustup cargo cmake wget gnupg
+RUN xbps-install -Sy openssl-devel libstdc++-devel
+RUN rustup-init -qy
+RUN rustup component add rustfmt # Needed for protobuf building.
+
+# Install tini for signal processing and zombie killing
+ENV TINI_VERSION v0.19.0
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini /usr/local/bin/tini
+ADD https://github.com/krallin/tini/releases/download/${TINI_VERSION}/tini.asc /tini.asc
+RUN gpg --batch --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 595E85A6B1B4779EA4DAAEC70B588DFF0527A9B7 \
+ && gpg --batch --verify /tini.asc /usr/local/bin/tini
+RUN chmod +x /usr/local/bin/tini
+
+# Build dicebot
+RUN mkdir -p /root/src
+WORKDIR /root/src
+ADD . ./
+RUN . /root/.cargo/env && cargo build --release
+
+# Final image
+FROM bougyman/voidlinux:tiny
+RUN xbps-install -Sy ca-certificates libstdc++
+COPY --from=builder \
+    /root/src/target/release/dicebot \
+    /usr/local/bin/
+COPY --from=builder \
+    /usr/local/bin/tini \
+    /usr/local/bin/
+
+ENV XDG_CACHE_HOME "/cache"
+ENV DATABASE_PATH "/cache/bot-db"
+ENTRYPOINT [ "/usr/local/bin/tini", "-v", "--", "/usr/local/bin/dicebot", "/config/dicebot-config.toml" ]

dicebot/src/basic/dice.rs

@@ -6,52 +6,23 @@
 use std::fmt;
 use std::ops::{Deref, DerefMut};
 
-/// A basic dice roll, in XdY notation, like "1d4" or "3d6".
-/// Optionally supports D&D advantage/disadvantge keep-or-drop
-/// functionality.
+//Old stuff, for regular dice rolling. To be moved elsewhere.
+
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub struct Dice {
     pub(crate) count: u32,
     pub(crate) sides: u32,
-    pub(crate) keep_drop: KeepOrDrop,
-}
-
-/// Enum indicating how to handle bonuses or penalties using extra
-/// dice. If set to Keep, the roll will keep the highest X number of
-/// dice in the roll, and add those together. If set to Drop, the
-/// opposite is performed, and the lowest X number of dice are added
-/// instead. If set to None, then all dice in the roll are added up as
-/// normal.
-#[derive(Debug, PartialEq, Eq, Clone, Copy)]
-pub enum KeepOrDrop {
-    /// Keep only the X highest dice for adding up to the total.
-    Keep(u32),
-
-    /// Keep only the X lowest dice (i.e. drop the highest) for adding
-    /// up to the total.
-    Drop(u32),
-
-    /// Add up all dice in the roll for the total.
-    None,
 }
 
 impl fmt::Display for Dice {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self.keep_drop {
-            KeepOrDrop::Keep(keep) => write!(f, "{}d{}k{}", self.count, self.sides, keep),
-            KeepOrDrop::Drop(drop) => write!(f, "{}d{}dh{}", self.count, self.sides, drop),
-            KeepOrDrop::None => write!(f, "{}d{}", self.count, self.sides),
-        }
+        write!(f, "{}d{}", self.count, self.sides)
     }
 }
 
 impl Dice {
-    pub fn new(count: u32, sides: u32, keep_drop: KeepOrDrop) -> Dice {
-        Dice {
-            count,
-            sides,
-            keep_drop,
-        }
+    pub fn new(count: u32, sides: u32) -> Dice {
+        Dice { count, sides }
     }
 }
 

dicebot/src/basic/parser.rs

@@ -4,8 +4,6 @@
  * project.
  */
 use nom::bytes::complete::take_while;
-use nom::error::ErrorKind as NomErrorKind;
-use nom::Err as NomErr;
 use nom::{
     alt, bytes::complete::tag, character::complete::digit1, complete, many0, named,
     sequence::tuple, tag, IResult,
@@ -33,74 +31,13 @@ enum Sign {
     Minus,
 }
 
-/// Intermediate parsed value for a keep-drop expression to indicate
-/// which one it is.
-enum ParsedKeepOrDrop<'a> {
-    Keep(&'a str),
-    Drop(&'a str),
-    NotPresent,
-}
-
-macro_rules! too_big {
-    ($input: expr) => {
-        NomErr::Error(($input, NomErrorKind::TooLarge))
-    };
-}
-
-/// Parse a dice expression.  Does not eat whitespace
+// Parse a dice expression.  Does not eat whitespace
 fn parse_dice(input: &str) -> IResult<&str, Dice> {
     let (input, (count, _, sides)) = tuple((digit1, tag("d"), digit1))(input)?;
-    let count: u32 = count.parse().map_err(|_| too_big!(count))?;
-    let sides = sides.parse().map_err(|_| too_big!(sides))?;
-    let (input, keep_drop) = parse_keep_or_drop(input, count)?;
-    Ok((input, Dice::new(count, sides, keep_drop)))
-}
-
-/// Extract keep/drop number as a string. Fails if the value is not a
-/// string.
-fn parse_keep_or_drop_text<'a>(
-    symbol: &'a str,
-    input: &'a str,
-) -> IResult<&'a str, ParsedKeepOrDrop<'a>> {
-    let (parsed_kd, input) = match tuple::<&str, _, (_, _), _>((tag(symbol), digit1))(input) {
-        // if ok, one of the expressions is present
-        Ok((rest, (_, kd_expr))) => match symbol {
-            "k" => (ParsedKeepOrDrop::Keep(kd_expr), rest),
-            "dh" => (ParsedKeepOrDrop::Drop(kd_expr), rest),
-            _ => panic!("Unrecogized keep-drop symbol: {}", symbol),
-        },
-        // otherwise absent (attempt to keep all dice)
-        Err(_) => (ParsedKeepOrDrop::NotPresent, input),
-    };
-
-    Ok((input, parsed_kd))
-}
-
-/// Parse keep/drop expression, which consits of "k" or "dh" following
-/// a dice expression. For example, "1d4h3" or "1d4dh2".
-fn parse_keep_or_drop<'a>(input: &'a str, count: u32) -> IResult<&'a str, KeepOrDrop> {
-    let (input, keep) = parse_keep_or_drop_text("k", input)?;
-    let (input, drop) = parse_keep_or_drop_text("dh", input)?;
-
-    use ParsedKeepOrDrop::*;
-    let keep_drop: KeepOrDrop = match (keep, drop) {
-        //Potential valid Keep expression.
-        (Keep(keep), NotPresent) => match keep.parse().map_err(|_| too_big!(input))? {
-            _i if _i > count || _i == 0 => Ok(KeepOrDrop::None),
-            i => Ok(KeepOrDrop::Keep(i)),
-        },
-        //Potential valid Drop expression.
-        (NotPresent, Drop(drop)) => match drop.parse().map_err(|_| too_big!(input))? {
-            _i if _i >= count => Ok(KeepOrDrop::None),
-            i => Ok(KeepOrDrop::Drop(i)),
-        },
-        //No Keep or Drop specified; regular behavior.
-        (NotPresent, NotPresent) => Ok(KeepOrDrop::None),
-        //Anything else is an error.
-        _ => Err(NomErr::Error((input, NomErrorKind::Many1))),
-    }?;
-
-    Ok((input, keep_drop))
+    Ok((
+        input,
+        Dice::new(count.parse().unwrap(), sides.parse().unwrap()),
+    ))
 }
 
 // Parse a single digit expression.  Does not eat whitespace
@@ -171,103 +108,16 @@ mod tests {
     use super::*;
     #[test]
     fn dice_test() {
-        assert_eq!(
-            parse_dice("2d4"),
-            Ok(("", Dice::new(2, 4, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("20d40"),
-            Ok(("", Dice::new(20, 40, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("8d7"),
-            Ok(("", Dice::new(8, 7, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("2d20k1"),
-            Ok(("", Dice::new(2, 20, KeepOrDrop::Keep(1))))
-        );
-        assert_eq!(
-            parse_dice("100d10k90"),
-            Ok(("", Dice::new(100, 10, KeepOrDrop::Keep(90))))
-        );
-        assert_eq!(
-            parse_dice("11d10k10"),
-            Ok(("", Dice::new(11, 10, KeepOrDrop::Keep(10))))
-        );
-        assert_eq!(
-            parse_dice("12d10k11"),
-            Ok(("", Dice::new(12, 10, KeepOrDrop::Keep(11))))
-        );
-        assert_eq!(
-            parse_dice("12d10k13"),
-            Ok(("", Dice::new(12, 10, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("12d10k0"),
-            Ok(("", Dice::new(12, 10, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("20d40dh5"),
-            Ok(("", Dice::new(20, 40, KeepOrDrop::Drop(5))))
-        );
-        assert_eq!(
-            parse_dice("8d7dh9"),
-            Ok(("", Dice::new(8, 7, KeepOrDrop::None)))
-        );
-        assert_eq!(
-            parse_dice("8d7dh8"),
-            Ok(("", Dice::new(8, 7, KeepOrDrop::None)))
-        );
-    }
-
-    #[test]
-    fn cant_have_both_keep_and_drop_test() {
-        let res = parse_dice("1d4k3dh2");
-        assert!(res.is_err());
-        match res {
-            Err(NomErr::Error((_, kind))) => {
-                assert_eq!(kind, NomErrorKind::Many1);
-            }
-            _ => panic!("Got success, expected error"),
-        }
-    }
-
-    #[test]
-    fn big_number_of_dice_doesnt_crash_test() {
-        let res = parse_dice("64378631476346123874527551481376547657868536d4");
-        assert!(res.is_err());
-        match res {
-            Err(NomErr::Error((input, kind))) => {
-                assert_eq!(kind, NomErrorKind::TooLarge);
-                assert_eq!(input, "64378631476346123874527551481376547657868536");
-            }
-            _ => panic!("Got success, expected error"),
-        }
-    }
-
-    #[test]
-    fn big_number_of_sides_doesnt_crash_test() {
-        let res = parse_dice("1d423562312587425472658956278456298376234876");
-        assert!(res.is_err());
-        match res {
-            Err(NomErr::Error((input, kind))) => {
-                assert_eq!(kind, NomErrorKind::TooLarge);
-                assert_eq!(input, "423562312587425472658956278456298376234876");
-            }
-            _ => panic!("Got success, expected error"),
-        }
+        assert_eq!(parse_dice("2d4"), Ok(("", Dice::new(2, 4))));
+        assert_eq!(parse_dice("20d40"), Ok(("", Dice::new(20, 40))));
+        assert_eq!(parse_dice("8d7"), Ok(("", Dice::new(8, 7))));
     }
 
     #[test]
     fn element_test() {
         assert_eq!(
             parse_element("  \t\n\r\n 8d7 \n"),
-            Ok((" \n", Element::Dice(Dice::new(8, 7, KeepOrDrop::None))))
-        );
-        assert_eq!(
-            parse_element("  \t\n\r\n 3d20k2 \n"),
-            Ok((" \n", Element::Dice(Dice::new(3, 20, KeepOrDrop::Keep(2)))))
+            Ok((" \n", Element::Dice(Dice::new(8, 7))))
         );
         assert_eq!(
             parse_element("  \t\n\r\n 8 \n"),
@@ -289,21 +139,14 @@ mod tests {
             parse_signed_element("  \t\n\r\n- 8d4 \n"),
             Ok((
                 " \n",
-                SignedElement::Negative(Element::Dice(Dice::new(8, 4, KeepOrDrop::None)))
-            ))
-        );
-        assert_eq!(
-            parse_signed_element("  \t\n\r\n- 8d4k4 \n"),
-            Ok((
-                " \n",
-                SignedElement::Negative(Element::Dice(Dice::new(8, 4, KeepOrDrop::Keep(4))))
+                SignedElement::Negative(Element::Dice(Dice::new(8, 4)))
             ))
         );
         assert_eq!(
             parse_signed_element("  \t\n\r\n+ 8d4 \n"),
             Ok((
                 " \n",
-                SignedElement::Positive(Element::Dice(Dice::new(8, 4, KeepOrDrop::None)))
+                SignedElement::Positive(Element::Dice(Dice::new(8, 4)))
             ))
         );
     }
@@ -315,43 +158,29 @@ mod tests {
             Ok((
                 "",
                 ElementExpression(vec![SignedElement::Positive(Element::Dice(Dice::new(
-                    8,
-                    4,
-                    KeepOrDrop::None
+                    8, 4
                 )))])
             ))
         );
-        assert_eq!(
-            parse_element_expression("\t2d20k1 + 5"),
-            Ok((
-                "",
-                ElementExpression(vec![
-                    SignedElement::Positive(Element::Dice(Dice::new(2, 20, KeepOrDrop::Keep(1)))),
-                    SignedElement::Positive(Element::Bonus(5)),
-                ])
-            ))
-        );
         assert_eq!(
             parse_element_expression(" -  8d4 \n "),
             Ok((
                 " \n ",
                 ElementExpression(vec![SignedElement::Negative(Element::Dice(Dice::new(
-                    8,
-                    4,
-                    KeepOrDrop::None
+                    8, 4
                 )))])
             ))
         );
         assert_eq!(
-            parse_element_expression("\t3d4k2 + 7 - 5 - 6d12dh3 + 1d1 + 53 1d5 "),
+            parse_element_expression("\t3d4 + 7 - 5 - 6d12 + 1d1 + 53 1d5 "),
             Ok((
                 " 1d5 ",
                 ElementExpression(vec![
-                    SignedElement::Positive(Element::Dice(Dice::new(3, 4, KeepOrDrop::Keep(2)))),
+                    SignedElement::Positive(Element::Dice(Dice::new(3, 4))),
                     SignedElement::Positive(Element::Bonus(7)),
                     SignedElement::Negative(Element::Bonus(5)),
-                    SignedElement::Negative(Element::Dice(Dice::new(6, 12, KeepOrDrop::Drop(3)))),
-                    SignedElement::Positive(Element::Dice(Dice::new(1, 1, KeepOrDrop::None))),
+                    SignedElement::Negative(Element::Dice(Dice::new(6, 12))),
+                    SignedElement::Positive(Element::Dice(Dice::new(1, 1))),
                     SignedElement::Positive(Element::Bonus(53)),
                 ])
             ))

dicebot/src/basic/roll.rs

@@ -4,7 +4,6 @@
  * project.
  */
 use crate::basic::dice;
-use crate::basic::dice::KeepOrDrop;
 use rand::prelude::*;
 use std::fmt;
 use std::ops::{Deref, DerefMut};
@@ -20,27 +19,15 @@ pub trait Rolled {
 }
 
 #[derive(Debug, PartialEq, Eq, Clone)]
-/// array of rolls in order, how many dice to keep, and how many to drop
-///   keep indicates how many of the highest dice to keep
-///   drop indicates how many of the highest dice to drop
-pub struct DiceRoll (pub Vec<u32>, usize, usize);
+pub struct DiceRoll(pub Vec<u32>);
 
 impl DiceRoll {
     pub fn rolls(&self) -> &[u32] {
         &self.0
     }
 
-    pub fn keep(&self) -> usize {
-        self.1
-    }
-
-    pub fn drop(&self) -> usize {
-        self.2
-    }
-
-    // only count kept dice in total
     pub fn total(&self) -> u32 {
-        self.0[self.2..self.1].iter().sum()
+        self.0.iter().sum()
     }
 }
 
@@ -54,21 +41,11 @@ impl fmt::Display for DiceRoll {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         write!(f, "{}", self.rolled_value())?;
         let rolls = self.rolls();
-        let keep  = self.keep();
-        let drop  = self.drop();
-        let mut iter = rolls.iter().enumerate();
+        let mut iter = rolls.iter();
         if let Some(first) = iter.next() {
-            if drop != 0 {
-                write!(f, " ([{}]", first.1)?;
-            } else {
-                write!(f, " ({}", first.1)?;
-            }
+            write!(f, " ({}", first)?;
             for roll in iter {
-                if roll.0 >= keep || roll.0 < drop {
-                    write!(f, " + [{}]", roll.1)?;
-                } else {
-                    write!(f, " + {}", roll.1)?;
-                }
+                write!(f, " + {}", roll)?;
             }
             write!(f, ")")?;
         }
@@ -81,17 +58,11 @@ impl Roll for dice::Dice {
 
     fn roll(&self) -> DiceRoll {
         let mut rng = rand::thread_rng();
-        let mut rolls: Vec<_> = (0..self.count)
+        let rolls: Vec<_> = (0..self.count)
             .map(|_| rng.gen_range(1..=self.sides))
             .collect();
-        // sort rolls in descending order
-        rolls.sort_by(|a, b| b.cmp(a));
 
-        match self.keep_drop {
-            KeepOrDrop::Keep(k)  => DiceRoll(rolls,k as usize, 0),
-            KeepOrDrop::Drop(dh) => DiceRoll(rolls,self.count as usize, dh as usize),
-            KeepOrDrop::None     => DiceRoll(rolls,self.count as usize, 0),
-        }
+        DiceRoll(rolls)
     }
 }
 
@@ -227,26 +198,18 @@ mod tests {
     use super::*;
     #[test]
     fn dice_roll_display_test() {
-        assert_eq!(DiceRoll(vec![1, 3, 4], 3, 0).to_string(), "8 (1 + 3 + 4)");
-        assert_eq!(DiceRoll(vec![], 0, 0).to_string(), "0");
+        assert_eq!(DiceRoll(vec![1, 3, 4]).to_string(), "8 (1 + 3 + 4)");
+        assert_eq!(DiceRoll(vec![]).to_string(), "0");
         assert_eq!(
-            DiceRoll(vec![4, 7, 2, 10], 4, 0).to_string(),
+            DiceRoll(vec![4, 7, 2, 10]).to_string(),
             "23 (4 + 7 + 2 + 10)"
         );
-        assert_eq!(
-            DiceRoll(vec![20, 13, 11, 10], 3, 0).to_string(),
-            "44 (20 + 13 + 11 + [10])"
-        );
-        assert_eq!(
-            DiceRoll(vec![20, 13, 11, 10], 4, 1).to_string(),
-            "34 ([20] + 13 + 11 + 10)"
-        );
     }
 
     #[test]
     fn element_roll_display_test() {
         assert_eq!(
-            ElementRoll::Dice(DiceRoll(vec![1, 3, 4], 3, 0)).to_string(),
+            ElementRoll::Dice(DiceRoll(vec![1, 3, 4])).to_string(),
             "8 (1 + 3 + 4)"
         );
         assert_eq!(ElementRoll::Bonus(7).to_string(), "7");
@@ -255,11 +218,11 @@ mod tests {
     #[test]
     fn signed_element_roll_display_test() {
         assert_eq!(
-            SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 3, 4], 3, 0))).to_string(),
+            SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 3, 4]))).to_string(),
             "8 (1 + 3 + 4)"
         );
         assert_eq!(
-            SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 3, 4], 3, 0))).to_string(),
+            SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 3, 4]))).to_string(),
             "-8 (1 + 3 + 4)"
         );
         assert_eq!(
@@ -276,14 +239,14 @@ mod tests {
     fn element_expression_roll_display_test() {
         assert_eq!(
             ElementExpressionRoll(vec![SignedElementRoll::Positive(ElementRoll::Dice(
-                DiceRoll(vec![1, 3, 4], 3, 0)
+                DiceRoll(vec![1, 3, 4])
             )),])
             .to_string(),
             "8 (1 + 3 + 4)"
         );
         assert_eq!(
             ElementExpressionRoll(vec![SignedElementRoll::Negative(ElementRoll::Dice(
-                DiceRoll(vec![1, 3, 4], 3, 0)
+                DiceRoll(vec![1, 3, 4])
             )),])
             .to_string(),
             "-8 (1 + 3 + 4)"
@@ -300,8 +263,8 @@ mod tests {
         );
         assert_eq!(
             ElementExpressionRoll(vec![
-                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 3, 4], 3, 0))),
-                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 2], 2, 0))),
+                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 3, 4]))),
+                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 2]))),
                 SignedElementRoll::Positive(ElementRoll::Bonus(4)),
                 SignedElementRoll::Negative(ElementRoll::Bonus(7)),
             ])
@@ -310,33 +273,13 @@ mod tests {
         );
         assert_eq!(
             ElementExpressionRoll(vec![
-                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 3, 4], 3, 0))),
-                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 2], 2, 0))),
+                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![1, 3, 4]))),
+                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![1, 2]))),
                 SignedElementRoll::Negative(ElementRoll::Bonus(4)),
                 SignedElementRoll::Positive(ElementRoll::Bonus(7)),
             ])
             .to_string(),
             "-2 (-8 (1 + 3 + 4) + 3 (1 + 2) - 4 + 7)"
         );
-        assert_eq!(
-            ElementExpressionRoll(vec![
-                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![4, 3, 1], 3, 0))),
-                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![12, 2], 1, 0))),
-                SignedElementRoll::Negative(ElementRoll::Bonus(4)),
-                SignedElementRoll::Positive(ElementRoll::Bonus(7)),
-            ])
-            .to_string(),
-            "7 (-8 (4 + 3 + 1) + 12 (12 + [2]) - 4 + 7)"
-        );
-        assert_eq!(
-            ElementExpressionRoll(vec![
-                SignedElementRoll::Negative(ElementRoll::Dice(DiceRoll(vec![4, 3, 1], 3, 1))),
-                SignedElementRoll::Positive(ElementRoll::Dice(DiceRoll(vec![12, 2], 2, 0))),
-                SignedElementRoll::Negative(ElementRoll::Bonus(4)),
-                SignedElementRoll::Positive(ElementRoll::Bonus(7)),
-            ])
-            .to_string(),
-            "13 (-4 ([4] + 3 + 1) + 14 (12 + 2) - 4 + 7)"
-        );
     }
 }

dicebot/src/bin/dicebot-cmd.rs

@@ -1,4 +1,4 @@
-use matrix_sdk::ruma::room_id;
+use matrix_sdk::identifiers::room_id;
 use matrix_sdk::Client;
 use tenebrous_dicebot::commands;
 use tenebrous_dicebot::commands::ResponseExtractor;
@@ -29,7 +29,7 @@ async fn main() -> Result<(), BotError> {
     let context = Context {
         db,
         account: Account::default(),
-        matrix_client: Client::new(homeserver).await.expect("Could not create matrix client"),
+        matrix_client: Client::new(homeserver).expect("Could not create matrix client"),
         origin_room: RoomContext {
             id: &room_id!("!fakeroomid:example.com"),
             display_name: "fake room".to_owned(),

dicebot/src/bin/dicebot.rs

@@ -21,7 +21,7 @@ async fn init(config_path: &str) -> Result<(Arc<Config>, Database, Client), BotE
     let cfg = Arc::new(cfg);
     let sqlite_path = format!("{}/dicebot.sqlite", cfg.database_path());
     let db = Database::new(&sqlite_path).await?;
-    let client = tenebrous_dicebot::matrix::create_client(&cfg).await?;
+    let client = tenebrous_dicebot::matrix::create_client(&cfg)?;
     Ok((cfg, db, client))
 }
 
@@ -55,7 +55,7 @@ async fn run() -> Result<(), BotError> {
 
     match try_join!(bot, grpc) {
         Ok(_) => (),
-        Err(e) => error!("Error: {:?}", e),
+        Err(e) => error!("Error: {}", e),
     };
 
     Ok(())

dicebot/src/bin/tonic_client.rs

@@ -1,5 +1,5 @@
 use tenebrous_rpc::protos::dicebot::UserIdRequest;
-use tenebrous_rpc::protos::dicebot::{dicebot_client::DicebotClient};
+use tenebrous_rpc::protos::dicebot::{dicebot_client::DicebotClient, GetVariableRequest};
 use tonic::{metadata::MetadataValue, transport::Channel, Request};
 
 async fn create_client(
@@ -10,7 +10,6 @@ async fn create_client(
         .await?;
 
     let bearer = MetadataValue::from_str(&format!("Bearer {}", shared_secret))?;
-
     let client = DicebotClient::with_interceptor(channel, move |mut req: Request<()>| {
         req.metadata_mut().insert("authorization", bearer.clone());
         Ok(req)
@@ -23,11 +22,21 @@ async fn create_client(
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
     let mut client = create_client("example-key").await?;
 
+    // let request = tonic::Request::new(GetVariableRequest {
+    //     user_id: "@projectmoon:agnos.is".into(),
+    //     room_id: "!agICWvldGfuCywUVUM:agnos.is".into(),
+    //     variable_name: "stuff".into(),
+    // });
+
+    // let response = client.get_variable(request).await?.into_inner();
+
     let request = tonic::Request::new(UserIdRequest {
         user_id: "@projectmoon:agnos.is".into(),
     });
 
     let response = client.rooms_for_user(request).await?.into_inner();
+    // println!("RESPONSE={:?}", response);
+    // println!("User friendly response is: {:?}", response.value);
     println!("Rooms: {:?}", response.rooms);
     Ok(())
 }

dicebot/src/bot/command_execution.rs

@@ -8,8 +8,12 @@ use crate::{
     models::Account,
 };
 use futures::stream::{self, StreamExt};
-use matrix_sdk::ruma::{OwnedEventId, RoomId};
-use matrix_sdk::{self, room::Joined, Client};
+use matrix_sdk::{
+    self,
+    identifiers::{EventId, RoomId},
+    room::Joined,
+    Client,
+};
 use std::clone::Clone;
 use std::convert::TryFrom;
 
@@ -20,7 +24,7 @@ pub(super) async fn handle_single_result(
     cmd_result: &ExecutionResult,
     respond_to: &str,
     room: &Joined,
-    event_id: OwnedEventId,
+    event_id: EventId,
 ) {
     let html = cmd_result.message_html(respond_to);
     let plain = cmd_result.message_plain(respond_to);
@@ -108,9 +112,9 @@ fn get_account_active_room(client: &Client, account: &Account) -> Result<Option<
     let active_room = account
         .registered_user()
         .and_then(|u| u.active_room.as_deref())
-        .map(|room_id| <&RoomId>::try_from(room_id))
+        .map(|room_id| RoomId::try_from(room_id))
         .transpose()?
-        .and_then(|active_room_id| client.get_joined_room(active_room_id));
+        .and_then(|active_room_id| client.get_joined_room(&active_room_id));
 
     Ok(active_room)
 }

dicebot/src/bot/event_handlers.rs

@@ -2,25 +2,32 @@ use super::DiceBot;
 use crate::db::sqlite::Database;
 use crate::db::Rooms;
 use crate::error::BotError;
+use async_trait::async_trait;
 use log::{debug, error, info, warn};
-use matrix_sdk::ruma::events::room::member::RoomMemberEventContent;
-use matrix_sdk::ruma::events::{StrippedStateEvent, SyncMessageLikeEvent};
-use matrix_sdk::{self, room::Room, ruma::events::room::message::RoomMessageEventContent};
-use matrix_sdk::{Client, DisplayName};
+use matrix_sdk::{
+    self,
+    events::{
+        room::member::MemberEventContent,
+        room::message::{MessageEventContent, MessageType, TextMessageEventContent},
+        StrippedStateEvent, SyncMessageEvent,
+    },
+    room::Room,
+    EventHandler,
+};
 use std::ops::Sub;
-use std::time::UNIX_EPOCH;
 use std::time::{Duration, SystemTime};
+use std::{clone::Clone, time::UNIX_EPOCH};
 
 /// Check if a message is recent enough to actually process. If the
 /// message is within "oldest_message_age" seconds, this function
 /// returns true. If it's older than that, it returns false and logs a
 /// debug message.
 fn check_message_age(
-    event: &SyncMessageLikeEvent<RoomMessageEventContent>,
+    event: &SyncMessageEvent<MessageEventContent>,
     oldest_message_age: u64,
 ) -> bool {
     let sending_time = event
-        .origin_server_ts()
+        .origin_server_ts
         .to_system_time()
         .unwrap_or(UNIX_EPOCH);
 
@@ -47,7 +54,7 @@ fn check_message_age(
 /// the bot left and rejoined quickly.
 async fn should_process_message<'a>(
     bot: &DiceBot,
-    event: &SyncMessageLikeEvent<RoomMessageEventContent>,
+    event: &SyncMessageEvent<MessageEventContent>,
 ) -> Result<(String, String), BotError> {
     //Ignore messages that are older than configured duration.
     if !check_message_age(event, bot.config.oldest_message_age()) {
@@ -61,29 +68,23 @@ async fn should_process_message<'a>(
         return Err(BotError::ShouldNotProcessError);
     }
 
-    let msg_body: String = event
-        .as_original()
-        .map(|e| e.content.body())
-        .map(str::to_string)
-        .unwrap_or_else(|| String::new());
-
-    let sender_username: String = format!(
-        "@{}:{}",
-        event.sender().localpart(),
-        event.sender().server_name()
-    );
-
-    // Do not process messages from the bot itself. Otherwise it might
-    // try to execute its own commands.
-    let bot_username = bot
-        .client
-        .user_id()
-        .map(|u| format!("@{}:{}", u.localpart(), u.server_name()))
-        .unwrap_or_default();
-
-    if sender_username == bot_username {
-        return Err(BotError::ShouldNotProcessError);
-    }
+    let (msg_body, sender_username) = if let SyncMessageEvent {
+        content:
+            MessageEventContent {
+                msgtype: MessageType::Text(TextMessageEventContent { body, .. }),
+                ..
+            },
+        sender,
+        ..
+    } = event
+    {
+        (
+            body.clone(),
+            format!("@{}:{}", sender.localpart(), sender.server_name()),
+        )
+    } else {
+        (String::new(), String::new())
+    };
 
     Ok((msg_body, sender_username))
 }
@@ -100,64 +101,58 @@ async fn should_process_event(db: &Database, room_id: &str, event_id: &str) -> b
         })
 }
 
-pub(super) async fn on_stripped_state_member(
-    event: StrippedStateEvent<RoomMemberEventContent>,
-    client: Client,
-    room: Room,
-) {
-    let room = match room {
-        Room::Invited(invited_room) => invited_room,
-        _ => return,
-    };
-
-    if room.own_user_id().as_str() != event.state_key {
-        return;
-    }
-
-    info!(
-        "Autojoining room {}",
-        room.display_name()
-            .await
-            .ok()
-            .unwrap_or_else(|| DisplayName::Named("[error]".to_string()))
-    );
-
-    if let Err(e) = client.join_room_by_id(&room.room_id()).await {
-        warn!("Could not join room: {}", e.to_string())
-    }
-}
-
-pub(super) async fn on_room_message(
-    event: SyncMessageLikeEvent<RoomMessageEventContent>,
-    room: Room,
-    bot: DiceBot,
-) {
-    let room = match room {
-        Room::Joined(joined_room) => joined_room,
-        _ => return,
-    };
-
-    let room_id = room.room_id().as_str();
-    if !should_process_event(&bot.db, room_id, event.event_id().as_str()).await {
-        return;
-    }
-
-    let (msg_body, sender_username) =
-        if let Ok((msg_body, sender_username)) = should_process_message(&bot, &event).await {
-            (msg_body, sender_username)
-        } else {
-            return;
+/// This event emitter listens for messages with dice rolling commands.
+/// Originally adapted from the matrix-rust-sdk examples.
+#[async_trait]
+impl EventHandler for DiceBot {
+    async fn on_stripped_state_member(
+        &self,
+        room: Room,
+        event: &StrippedStateEvent<MemberEventContent>,
+        _: Option<MemberEventContent>,
+    ) {
+        let room = match room {
+            Room::Invited(invited_room) => invited_room,
+            _ => return,
         };
 
-    let results = bot
-        .execute_commands(&room, &sender_username, &msg_body)
-        .await;
+        if room.own_user_id().as_str() != event.state_key {
+            return;
+        }
 
-    bot.handle_results(
-        &room,
-        &sender_username,
-        event.event_id().to_owned(),
-        results,
-    )
-    .await;
+        info!(
+            "Autojoining room {}",
+            room.display_name().await.ok().unwrap_or_default()
+        );
+
+        if let Err(e) = self.client.join_room_by_id(&room.room_id()).await {
+            warn!("Could not join room: {}", e.to_string())
+        }
+    }
+
+    async fn on_room_message(&self, room: Room, event: &SyncMessageEvent<MessageEventContent>) {
+        let room = match room {
+            Room::Joined(joined_room) => joined_room,
+            _ => return,
+        };
+
+        let room_id = room.room_id().as_str();
+        if !should_process_event(&self.db, room_id, event.event_id.as_str()).await {
+            return;
+        }
+
+        let (msg_body, sender_username) =
+            if let Ok((msg_body, sender_username)) = should_process_message(self, &event).await {
+                (msg_body, sender_username)
+            } else {
+                return;
+            };
+
+        let results = self
+            .execute_commands(&room, &sender_username, &msg_body)
+            .await;
+
+        self.handle_results(&room, &sender_username, event.event_id.clone(), results)
+            .await;
+    }
 }

dicebot/src/bot/mod.rs

@@ -5,12 +5,7 @@ use crate::db::DbState;
 use crate::error::BotError;
 use crate::state::DiceBotState;
 use log::info;
-use matrix_sdk::room::Room;
-use matrix_sdk::ruma::events::room::message::RoomMessageEventContent;
-use matrix_sdk::ruma::events::SyncMessageLikeEvent;
-use matrix_sdk::ruma::OwnedEventId;
-use matrix_sdk::{self, room::Joined, Client};
-use matrix_sdk::config::SyncSettings;
+use matrix_sdk::{self, identifiers::EventId, room::Joined, Client, SyncSettings};
 use std::clone::Clone;
 use std::sync::{Arc, RwLock};
 
@@ -23,7 +18,6 @@ const MAX_COMMANDS_PER_MESSAGE: usize = 50;
 
 /// The DiceBot struct represents an active dice bot. The bot is not
 /// connected to Matrix until its run() function is called.
-#[derive(Clone)]
 pub struct DiceBot {
     /// A reference to the configuration read in on application start.
     config: Arc<Config>,
@@ -69,14 +63,12 @@ impl DiceBot {
         let device_id: Option<String> = self.db.get_device_id().await?;
         let device_id: Option<&str> = device_id.as_deref();
 
-        let no_device_ld_login = || client.login_username(username, password);
-        let device_id_login = |id| client.login_username(username, password).device_id(id);
-        let login = device_id.map_or_else(no_device_ld_login, device_id_login);
-
-        login.send().await?;
+        client
+            .login(username, password, device_id, Some("matrix dice bot"))
+            .await?;
 
         if device_id.is_none() {
-            let device_id = client.device_id().ok_or(BotError::NoDeviceIdFound)?;
+            let device_id = client.device_id().await.ok_or(BotError::NoDeviceIdFound)?;
             self.db.set_device_id(device_id.as_str()).await?;
             info!("Recorded new device ID: {}", device_id.as_str());
         } else {
@@ -87,35 +79,19 @@ impl DiceBot {
         Ok(())
     }
 
-    async fn bind_events(&self) {
-        //on room message: need closure to pass bot ref in.
-        self.client
-            .add_event_handler({
-                let bot: DiceBot = self.clone();
-                move |event: SyncMessageLikeEvent<RoomMessageEventContent>, room: Room| {
-                    let bot = bot.clone();
-                    async move { event_handlers::on_room_message(event, room, bot).await }
-                }
-            });
-
-        //auto-join handler
-        self.client
-            .add_event_handler(event_handlers::on_stripped_state_member);
-    }
-
     /// Logs the bot in to Matrix and listens for events until program
     /// terminated, or a panic occurs. Originally adapted from the
     /// matrix-rust-sdk command bot example.
     pub async fn run(self) -> Result<(), BotError> {
         let client = self.client.clone();
         self.login(&client).await?;
-        self.bind_events().await;
 
+        client.set_event_handler(Box::new(self)).await;
         info!("Listening for commands");
 
         // TODO replace with sync_with_callback for cleaner shutdown
         // process.
-        client.sync(SyncSettings::default()).await?;
+        client.sync(SyncSettings::default()).await;
         Ok(())
     }
 
@@ -145,7 +121,7 @@ impl DiceBot {
         &self,
         room: &Joined,
         sender_username: &str,
-        event_id: OwnedEventId,
+        event_id: EventId,
         results: Vec<(String, ExecutionResult)>,
     ) {
         if results.len() >= 1 {

dicebot/src/cofd/dice.rs

@@ -332,7 +332,7 @@ mod tests {
     macro_rules! dummy_room {
         () => {
             crate::context::RoomContext {
-                id: &matrix_sdk::ruma::room_id!("!fakeroomid:example.com"),
+                id: &matrix_sdk::identifiers::room_id!("!fakeroomid:example.com"),
                 display_name: "displayname".to_owned(),
                 secure: false,
             }
@@ -485,7 +485,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",
@@ -527,7 +527,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",
@@ -566,7 +566,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db.clone(),
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",

dicebot/src/cofd/parser.rs

@@ -45,13 +45,13 @@ pub fn parse_modifiers(input: &str) -> Result<DicePoolModifiers, DiceParsingErro
     let (result, rest) = parser.parse(input)?;
 
     if rest.len() == 0 {
-        convert_to_modifiers(&result)
+        convert_to_info(&result)
     } else {
         Err(DiceParsingError::UnconsumedInput)
     }
 }
 
-fn convert_to_modifiers(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
+fn convert_to_info(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, DiceParsingError> {
     use ParsedInfo::*;
     if parsed.len() == 0 {
         Ok(DicePoolModifiers::default())
@@ -79,8 +79,19 @@ fn convert_to_modifiers(parsed: &Vec<ParsedInfo>) -> Result<DicePoolModifiers, D
 }
 
 pub fn parse_dice_pool(input: &str) -> Result<DicePool, BotError> {
-    let (amounts, modifiers_str) = parse_amounts(input)?;
+    //The "modifiers:" part is optional. Assume amounts if no modifier
+    //section found.
+    let split = input.split(":").collect::<Vec<_>>();
+    let (modifiers_str, amounts_str) = (match split[..] {
+        [amounts] => Ok(("", amounts)),
+        [modifiers, amounts] => Ok((modifiers, amounts)),
+        _ => Err(BotError::DiceParsingError(
+            DiceParsingError::UnconsumedInput,
+        )),
+    })?;
+
     let modifiers = parse_modifiers(modifiers_str)?;
+    let amounts = parse_amounts(&amounts_str)?;
     Ok(DicePool::new(amounts, modifiers))
 }
 
@@ -164,7 +175,7 @@ mod tests {
 
     #[test]
     fn dice_pool_number_with_quality() {
-        let result = parse_dice_pool("8 n");
+        let result = parse_dice_pool("n:8");
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
@@ -175,7 +186,7 @@ mod tests {
     #[test]
     fn dice_pool_number_with_success_change() {
         let modifiers = DicePoolModifiers::custom_exceptional_on(3);
-        let result = parse_dice_pool("8 s3");
+        let result = parse_dice_pool("s3:8");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
     }
@@ -183,7 +194,7 @@ mod tests {
     #[test]
     fn dice_pool_with_quality_and_success_change() {
         let modifiers = DicePoolModifiers::custom(DicePoolQuality::Rote, 3);
-        let result = parse_dice_pool("8 rs3");
+        let result = parse_dice_pool("rs3:8");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), DicePool::easy_with_modifiers(8, modifiers));
     }
@@ -213,20 +224,20 @@ mod tests {
 
         let expected = DicePool::new(amounts, modifiers);
 
-        let result = parse_dice_pool("8+10-2+varname rs3");
+        let result = parse_dice_pool("rs3:8+10-2+varname");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), expected);
 
-        let result = parse_dice_pool("8+10-   2 + varname      rs3");
+        let result = parse_dice_pool("rs3:8+10-   2 + varname");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), expected);
 
-        let result = parse_dice_pool("8+ 10 -2 + varname           rs3");
+        let result = parse_dice_pool("rs3  :  8+ 10 -2 + varname");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), expected);
 
         //This one has tabs in it.
-        let result = parse_dice_pool(" 	8	+ 10 -2 + varname	r	s3");
+        let result = parse_dice_pool("  r	s3  :	8	+ 10 -2 + varname");
         assert!(result.is_ok());
         assert_eq!(result.unwrap(), expected);
     }

dicebot/src/commands/mod.rs

@@ -162,12 +162,11 @@ mod tests {
     use super::*;
     use management::RegisterCommand;
     use url::Url;
-    use matrix_sdk::ruma::room_id;
 
     macro_rules! dummy_room {
         () => {
             crate::context::RoomContext {
-                id: &room_id!("!fakeroomid:example.com"),
+                id: &matrix_sdk::identifiers::room_id!("!fakeroomid:example.com"),
                 display_name: "displayname".to_owned(),
                 secure: false,
             }
@@ -177,7 +176,7 @@ mod tests {
     macro_rules! secure_room {
         () => {
             crate::context::RoomContext {
-                id: &room_id!("!fakeroomid:example.com"),
+                id: &matrix_sdk::identifiers::room_id!("!fakeroomid:example.com"),
                 display_name: "displayname".to_owned(),
                 secure: true,
             }
@@ -196,7 +195,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: secure_room!(),
             active_room: secure_room!(),
             username: "myusername",
@@ -219,7 +218,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: secure_room!(),
             active_room: secure_room!(),
             username: "myusername",
@@ -242,7 +241,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "myusername",
@@ -265,7 +264,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "myusername",
@@ -288,7 +287,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "myusername",

dicebot/src/commands/parser.rs

@@ -221,9 +221,9 @@ mod tests {
 
     #[test]
     fn pool_whitespace_test() {
-        parse_command("!pool 8   ns3    ").expect("was error");
-        parse_command("   !pool 8 ns3").expect("was error");
-        parse_command("   !pool 8   ns3    ").expect("was error");
+        parse_command("!pool ns3:8   ").expect("was error");
+        parse_command("   !pool ns3:8").expect("was error");
+        parse_command("   !pool ns3:8   ").expect("was error");
     }
 
     #[test]

dicebot/src/commands/rooms.rs

@@ -6,7 +6,7 @@ use crate::matrix;
 use async_trait::async_trait;
 use fuse_rust::{Fuse, FuseProperty, Fuseable};
 use futures::stream::{self, StreamExt, TryStreamExt};
-use matrix_sdk::{ruma::OwnedUserId, Client};
+use matrix_sdk::{identifiers::UserId, Client};
 use std::convert::TryFrom;
 
 /// Holds matrix room ID and display name as strings, for use with
@@ -62,13 +62,13 @@ async fn get_rooms_for_user(
     client: &Client,
     user_id: &str,
 ) -> Result<Vec<RoomNameAndId>, BotError> {
-    let user_id = OwnedUserId::try_from(user_id)?;
+    let user_id = UserId::try_from(user_id)?;
     let rooms_for_user = matrix::get_rooms_for_user(client, &user_id).await?;
     let mut rooms_for_user: Vec<RoomNameAndId> = stream::iter(rooms_for_user)
         .filter_map(|room| async move {
             Some(room.display_name().await.map(|room_name| RoomNameAndId {
                 id: room.room_id().to_string(),
-                name: room_name.to_string(),
+                name: room_name,
             }))
         })
         .try_collect()

dicebot/src/context.rs

@@ -1,8 +1,8 @@
 use crate::db::sqlite::Database;
 use crate::error::BotError;
 use crate::models::Account;
+use matrix_sdk::identifiers::{RoomId, UserId};
 use matrix_sdk::room::Joined;
-use matrix_sdk::ruma::{RoomId, UserId};
 use matrix_sdk::Client;
 use std::convert::TryFrom;
 
@@ -48,16 +48,15 @@ impl RoomContext<'_> {
         // TODO is_direct is a hack; the bot should set eligible rooms
         // to Direct Message upon joining, if other contact has
         // requested it. Waiting on SDK support.
-        let display_name =
-            room
+        let display_name = room
             .display_name()
             .await
             .ok()
-            .map(|d| d.to_string())
-            .unwrap_or_default();
+            .unwrap_or_default()
+            .to_string();
 
-        let sending_user = <&UserId>::try_from(sending_user)?;
-        let user_in_room = room.get_member(sending_user).await.ok().is_some();
+        let sending_user = UserId::try_from(sending_user)?;
+        let user_in_room = room.get_member(&sending_user).await.ok().is_some();
         let is_direct = room.active_members().await?.len() == 2;
 
         Ok(RoomContext {

dicebot/src/cthulhu/dice.rs

@@ -270,7 +270,7 @@ macro_rules! is_variable {
                 element: Element::Variable(_),
                 ..
             }
-        )
+        );
     };
 }
 
@@ -427,12 +427,11 @@ mod tests {
     use crate::db::sqlite::Database;
     use crate::parser::dice::{Amount, Element, Operator};
     use url::Url;
-    use matrix_sdk::ruma::room_id;
 
     macro_rules! dummy_room {
         () => {
             crate::context::RoomContext {
-                id: &room_id!("!fakeroomid:example.com"),
+                id: &matrix_sdk::identifiers::room_id!("!fakeroomid:example.com"),
                 display_name: "displayname".to_owned(),
                 secure: false,
             }
@@ -512,7 +511,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",
@@ -550,7 +549,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",
@@ -588,7 +587,7 @@ mod tests {
         let ctx = Context {
             account: crate::models::Account::default(),
             db: db,
-            matrix_client: matrix_sdk::Client::new(homeserver).await.unwrap(),
+            matrix_client: matrix_sdk::Client::new(homeserver).unwrap(),
             origin_room: dummy_room!(),
             active_room: dummy_room!(),
             username: "username",

dicebot/src/cthulhu/parser.rs

@@ -4,13 +4,16 @@ use crate::parser::dice::DiceParsingError;
 //TOOD convert these to use parse_amounts from the common dice code.
 
 fn parse_modifier(input: &str) -> Result<DiceRollModifier, DiceParsingError> {
-    match input.trim() {
-        "bb" => Ok(DiceRollModifier::TwoBonus),
-        "b" => Ok(DiceRollModifier::OneBonus),
-        "pp" => Ok(DiceRollModifier::TwoPenalty),
-        "p" => Ok(DiceRollModifier::OnePenalty),
-        "" => Ok(DiceRollModifier::Normal),
-        _ => Err(DiceParsingError::InvalidModifiers),
+    if input.ends_with("bb") {
+        Ok(DiceRollModifier::TwoBonus)
+    } else if input.ends_with("b") {
+        Ok(DiceRollModifier::OneBonus)
+    } else if input.ends_with("pp") {
+        Ok(DiceRollModifier::TwoPenalty)
+    } else if input.ends_with("p") {
+        Ok(DiceRollModifier::OnePenalty)
+    } else {
+        Ok(DiceRollModifier::Normal)
     }
 }
 
@@ -18,70 +21,32 @@ fn parse_modifier(input: &str) -> Result<DiceRollModifier, DiceParsingError> {
 //Split based on :, send first part to parse_modifier.
 //Send second part to parse_amounts
 pub fn parse_regular_roll(input: &str) -> Result<DiceRoll, DiceParsingError> {
-    let (amount, modifiers_str) = crate::parser::dice::parse_single_amount(input)?;
+    let input: Vec<&str> = input.trim().split(":").collect();
+
+    let (modifiers_str, amounts_str) = match input[..] {
+        [amounts] => Ok(("", amounts)),
+        [modifiers, amounts] => Ok((modifiers, amounts)),
+        _ => Err(DiceParsingError::UnconsumedInput),
+    }?;
+
     let modifier = parse_modifier(modifiers_str)?;
+    let amount = crate::parser::dice::parse_single_amount(amounts_str)?;
     Ok(DiceRoll { modifier, amount })
 }
 
 pub fn parse_advancement_roll(input: &str) -> Result<AdvancementRoll, DiceParsingError> {
     let input = input.trim();
-    let (amounts, unconsumed_input) = crate::parser::dice::parse_single_amount(input)?;
+    let amounts = crate::parser::dice::parse_single_amount(input)?;
 
-    if unconsumed_input.len() == 0 {
-        Ok(AdvancementRoll {
-            existing_skill: amounts,
-        })
-    } else {
-        Err(DiceParsingError::InvalidAmount)
-    }
+    Ok(AdvancementRoll {
+        existing_skill: amounts,
+    })
 }
 
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::parser::dice::{Amount, DiceParsingError, Element, Operator};
-
-    #[test]
-    fn parse_modifier_rejects_bad_value() {
-        let modifier = parse_modifier("qqq");
-        assert!(matches!(modifier, Err(DiceParsingError::InvalidModifiers)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_one_bonus() {
-        let modifier = parse_modifier("b");
-        assert!(matches!(modifier, Ok(DiceRollModifier::OneBonus)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_two_bonus() {
-        let modifier = parse_modifier("bb");
-        assert!(matches!(modifier, Ok(DiceRollModifier::TwoBonus)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_two_penalty() {
-        let modifier = parse_modifier("pp");
-        assert!(matches!(modifier, Ok(DiceRollModifier::TwoPenalty)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_one_penalty() {
-        let modifier = parse_modifier("p");
-        assert!(matches!(modifier, Ok(DiceRollModifier::OnePenalty)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_normal() {
-        let modifier = parse_modifier("");
-        assert!(matches!(modifier, Ok(DiceRollModifier::Normal)))
-    }
-
-    #[test]
-    fn parse_modifier_accepts_normal_unaffected_by_whitespace() {
-        let modifier = parse_modifier("         ");
-        assert!(matches!(modifier, Ok(DiceRollModifier::Normal)))
-    }
+    use crate::parser::dice::{Amount, Element, Operator};
 
     #[test]
     fn regular_roll_accepts_single_number() {
@@ -107,7 +72,7 @@ mod tests {
 
     #[test]
     fn regular_roll_accepts_two_bonus() {
-        let result = parse_regular_roll("60 bb");
+        let result = parse_regular_roll("bb:60");
         assert!(result.is_ok());
         assert_eq!(
             DiceRoll {
@@ -123,7 +88,7 @@ mod tests {
 
     #[test]
     fn regular_roll_accepts_one_bonus() {
-        let result = parse_regular_roll("60 b");
+        let result = parse_regular_roll("b:60");
         assert!(result.is_ok());
         assert_eq!(
             DiceRoll {
@@ -139,7 +104,7 @@ mod tests {
 
     #[test]
     fn regular_roll_accepts_two_penalty() {
-        let result = parse_regular_roll("60 pp");
+        let result = parse_regular_roll("pp:60");
         assert!(result.is_ok());
         assert_eq!(
             DiceRoll {
@@ -155,7 +120,7 @@ mod tests {
 
     #[test]
     fn regular_roll_accepts_one_penalty() {
-        let result = parse_regular_roll("60 p");
+        let result = parse_regular_roll("p:60");
         assert!(result.is_ok());
         assert_eq!(
             DiceRoll {
@@ -175,21 +140,21 @@ mod tests {
         assert!(parse_regular_roll("   60").is_ok());
         assert!(parse_regular_roll("   60    ").is_ok());
 
-        assert!(parse_regular_roll("60bb     ").is_ok());
-        assert!(parse_regular_roll("   60 bb").is_ok());
-        assert!(parse_regular_roll("   60   bb    ").is_ok());
+        assert!(parse_regular_roll("bb:60     ").is_ok());
+        assert!(parse_regular_roll("   bb:60").is_ok());
+        assert!(parse_regular_roll("   bb:60    ").is_ok());
 
-        assert!(parse_regular_roll("60b     ").is_ok());
-        assert!(parse_regular_roll("   60 b").is_ok());
-        assert!(parse_regular_roll("   60  b    ").is_ok());
+        assert!(parse_regular_roll("b:60     ").is_ok());
+        assert!(parse_regular_roll("   b:60").is_ok());
+        assert!(parse_regular_roll("   b:60    ").is_ok());
 
-        assert!(parse_regular_roll("60pp     ").is_ok());
-        assert!(parse_regular_roll("   60 pp").is_ok());
-        assert!(parse_regular_roll("   60 pp   ").is_ok());
+        assert!(parse_regular_roll("pp:60     ").is_ok());
+        assert!(parse_regular_roll("   pp:60").is_ok());
+        assert!(parse_regular_roll("   pp:60    ").is_ok());
 
-        assert!(parse_regular_roll("60p     ").is_ok());
-        assert!(parse_regular_roll("   60p  ").is_ok());
-        assert!(parse_regular_roll("   60  p    ").is_ok());
+        assert!(parse_regular_roll("p:60     ").is_ok());
+        assert!(parse_regular_roll("   p:60").is_ok());
+        assert!(parse_regular_roll("   p:60    ").is_ok());
     }
 
     #[test]

dicebot/src/db/sqlite/migrator/migrations/V10__add_game_system.rs

@@ -1,22 +0,0 @@
-use crate::systems::GameSystem;
-use barrel::backend::Sqlite;
-use barrel::{types, types::Type, Migration};
-use itertools::Itertools;
-use strum::IntoEnumIterator;
-
-fn primary_id() -> Type {
-    types::text().unique(true).primary(true).nullable(false)
-}
-
-pub fn migration() -> String {
-    let mut m = Migration::new();
-
-    //Normally we would add a CHECK clause here, but types::custom requires a 'static string.
-    //Which means we can't automagically generate one from the enum.
-    m.create_table("room_info", move |t| {
-        t.add_column("room_id", primary_id());
-        t.add_column("game_system", types::text().nullable(false));
-    });
-
-    m.make::<Sqlite>()
-}

dicebot/src/db/sqlite/migrator/migrations/mod.rs

@@ -1 +1,2 @@
-
+use refinery::include_migration_mods;
+include_migration_mods!("src/db/sqlite/migrator/migrations");

dicebot/src/db/sqlite/migrator/mod.rs

@@ -5,7 +5,7 @@ use sqlx::ConnectOptions;
 use std::str::FromStr;
 use thiserror::Error;
 
-//pub mod migrations;
+pub mod migrations;
 
 #[derive(Error, Debug)]
 pub enum MigrationError {
@@ -16,11 +16,6 @@ pub enum MigrationError {
     RefineryError(#[from] refinery::Error),
 }
 
-mod embedded {
-    use refinery::embed_migrations;
-    embed_migrations!("src/db/sqlite/migrator/migrations");
-}
-
 /// Run database migrations against the sqlite database.
 pub async fn migrate(db_path: &str) -> Result<(), MigrationError> {
     //Create database if missing.
@@ -33,6 +28,6 @@ pub async fn migrate(db_path: &str) -> Result<(), MigrationError> {
 
     let mut conn = Config::new(ConfigDbType::Sqlite).set_db_path(db_path);
     info!("Running migrations");
-    embedded::migrations::runner().run(&mut conn)?;
+    migrations::runner().run(&mut conn)?;
     Ok(())
 }

dicebot/src/db/sqlite/rooms.rs

@@ -53,41 +53,34 @@ impl Rooms for Database {
 mod tests {
     use crate::db::sqlite::Database;
     use crate::db::Rooms;
-    use std::future::Future;
 
-    async fn with_db<Fut>(f: impl FnOnce(Database) -> Fut)
-    where
-        Fut: Future<Output = ()>,
-    {
+    async fn create_db() -> Database {
         let db_path = tempfile::NamedTempFile::new_in(".").unwrap();
         crate::db::sqlite::migrator::migrate(db_path.path().to_str().unwrap())
             .await
             .unwrap();
 
-        let db = Database::new(db_path.path().to_str().unwrap())
+        Database::new(db_path.path().to_str().unwrap())
             .await
-            .unwrap();
-
-        f(db).await;
+            .unwrap()
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn should_process_test() {
-        with_db(|db| async move {
-            let first_check = db
-                .should_process("myroom", "myeventid")
-                .await
-                .expect("should_process failed in first insert");
+        let db = create_db().await;
 
-            assert_eq!(first_check, true);
+        let first_check = db
+            .should_process("myroom", "myeventid")
+            .await
+            .expect("should_process failed in first insert");
 
-            let second_check = db
-                .should_process("myroom", "myeventid")
-                .await
-                .expect("should_process failed in first insert");
+        assert_eq!(first_check, true);
 
-            assert_eq!(second_check, false);
-        })
-        .await;
+        let second_check = db
+            .should_process("myroom", "myeventid")
+            .await
+            .expect("should_process failed in first insert");
+
+        assert_eq!(second_check, false);
     }
 }

dicebot/src/db/sqlite/state.rs

@@ -37,64 +37,54 @@ impl DbState for Database {
 mod tests {
     use crate::db::sqlite::Database;
     use crate::db::DbState;
-    use std::future::Future;
 
-    async fn with_db<Fut>(f: impl FnOnce(Database) -> Fut)
-    where
-        Fut: Future<Output = ()>,
-    {
+    async fn create_db() -> Database {
         let db_path = tempfile::NamedTempFile::new_in(".").unwrap();
         crate::db::sqlite::migrator::migrate(db_path.path().to_str().unwrap())
             .await
             .unwrap();
 
-        let db = Database::new(db_path.path().to_str().unwrap())
+        Database::new(db_path.path().to_str().unwrap())
             .await
-            .unwrap();
-
-        f(db).await;
+            .unwrap()
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn set_and_get_device_id() {
-        with_db(|db| async move {
-            db.set_device_id("device_id")
-                .await
-                .expect("Could not set device ID");
+        let db = create_db().await;
 
-            let device_id = db.get_device_id().await.expect("Could not get device ID");
+        db.set_device_id("device_id")
+            .await
+            .expect("Could not set device ID");
 
-            assert!(device_id.is_some());
-            assert_eq!(device_id.unwrap(), "device_id");
-        })
-        .await;
+        let device_id = db.get_device_id().await.expect("Could not get device ID");
+
+        assert!(device_id.is_some());
+        assert_eq!(device_id.unwrap(), "device_id");
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn no_device_id_set_returns_none() {
-        with_db(|db| async move {
-            let device_id = db.get_device_id().await.expect("Could not get device ID");
-            assert!(device_id.is_none());
-        })
-        .await;
+        let db = create_db().await;
+        let device_id = db.get_device_id().await.expect("Could not get device ID");
+        assert!(device_id.is_none());
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_update_device_id() {
-        with_db(|db| async move {
-            db.set_device_id("device_id")
-                .await
-                .expect("Could not set device ID");
+        let db = create_db().await;
 
-            db.set_device_id("device_id2")
-                .await
-                .expect("Could not set device ID");
+        db.set_device_id("device_id")
+            .await
+            .expect("Could not set device ID");
 
-            let device_id = db.get_device_id().await.expect("Could not get device ID");
+        db.set_device_id("device_id2")
+            .await
+            .expect("Could not set device ID");
 
-            assert!(device_id.is_some());
-            assert_eq!(device_id.unwrap(), "device_id2");
-        })
-        .await;
+        let device_id = db.get_device_id().await.expect("Could not get device ID");
+
+        assert!(device_id.is_some());
+        assert_eq!(device_id.unwrap(), "device_id2");
     }
 }

dicebot/src/db/sqlite/users.rs

@@ -91,271 +91,251 @@ mod tests {
     use crate::db::sqlite::Database;
     use crate::db::Users;
     use crate::models::AccountStatus;
-    use std::future::Future;
 
-    async fn with_db<Fut>(f: impl FnOnce(Database) -> Fut)
-    where
-        Fut: Future<Output = ()>,
-    {
+    async fn create_db() -> Database {
         let db_path = tempfile::NamedTempFile::new_in(".").unwrap();
         crate::db::sqlite::migrator::migrate(db_path.path().to_str().unwrap())
             .await
             .unwrap();
 
-        let db = Database::new(db_path.path().to_str().unwrap())
+        Database::new(db_path.path().to_str().unwrap())
             .await
-            .unwrap();
-
-        f(db).await;
+            .unwrap()
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn create_and_get_full_user_test() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some("abc".to_string()),
-                    account_status: AccountStatus::Registered,
-                    active_room: Some("myroom".to_string()),
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some("abc".to_string()),
+                account_status: AccountStatus::Registered,
+                active_room: Some("myroom".to_string()),
+            })
+            .await;
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result.is_ok());
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
-            assert_eq!(user.password, Some("abc".to_string()));
-            assert_eq!(user.account_status, AccountStatus::Registered);
-            assert_eq!(user.active_room, Some("myroom".to_string()));
-        })
-        .await;
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
+        assert_eq!(user.password, Some("abc".to_string()));
+        assert_eq!(user.account_status, AccountStatus::Registered);
+        assert_eq!(user.active_room, Some("myroom".to_string()));
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_get_user_with_no_state_record() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some("abc".to_string()),
-                    account_status: AccountStatus::AwaitingActivation,
-                    active_room: Some("myroom".to_string()),
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some("abc".to_string()),
+                account_status: AccountStatus::AwaitingActivation,
+                active_room: Some("myroom".to_string()),
+            })
+            .await;
 
-            sqlx::query("DELETE FROM user_state")
-                .execute(&db.conn)
-                .await
-                .expect("Could not delete from user_state table.");
+        assert!(insert_result.is_ok());
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        sqlx::query("DELETE FROM user_state")
+            .execute(&db.conn)
+            .await
+            .expect("Could not delete from user_state table.");
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
-            assert_eq!(user.password, Some("abc".to_string()));
-            assert_eq!(user.account_status, AccountStatus::AwaitingActivation);
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
 
-            //These should be default values because the state record is missing.
-            assert_eq!(user.active_room, None);
-        })
-        .await;
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
+        assert_eq!(user.password, Some("abc".to_string()));
+        assert_eq!(user.account_status, AccountStatus::AwaitingActivation);
+
+        //These should be default values because the state record is missing.
+        assert_eq!(user.active_room, None);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_insert_without_password() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: None,
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: None,
+                ..Default::default()
+            })
+            .await;
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result.is_ok());
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
-            assert_eq!(user.password, None);
-        })
-        .await;
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
+        assert_eq!(user.password, None);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_insert_without_active_room() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    active_room: None,
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                active_room: None,
+                ..Default::default()
+            })
+            .await;
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result.is_ok());
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
-            assert_eq!(user.active_room, None);
-        })
-        .await;
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
+        assert_eq!(user.active_room, None);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_update_user() {
-        with_db(|db| async move {
-            let insert_result1 = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some("abc".to_string()),
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result1.is_ok());
+        let insert_result1 = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some("abc".to_string()),
+                ..Default::default()
+            })
+            .await;
 
-            let insert_result2 = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some("123".to_string()),
-                    active_room: Some("room".to_string()),
-                    account_status: AccountStatus::AwaitingActivation,
-                })
-                .await;
+        assert!(insert_result1.is_ok());
 
-            assert!(insert_result2.is_ok());
+        let insert_result2 = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some("123".to_string()),
+                active_room: Some("room".to_string()),
+                account_status: AccountStatus::AwaitingActivation,
+            })
+            .await;
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result2.is_ok());
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
 
-            //From second upsert
-            assert_eq!(user.password, Some("123".to_string()));
-            assert_eq!(user.active_room, Some("room".to_string()));
-            assert_eq!(user.account_status, AccountStatus::AwaitingActivation);
-        })
-        .await;
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
+
+        //From second upsert
+        assert_eq!(user.password, Some("123".to_string()));
+        assert_eq!(user.active_room, Some("room".to_string()));
+        assert_eq!(user.account_status, AccountStatus::AwaitingActivation);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn can_delete_user() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some("abc".to_string()),
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some("abc".to_string()),
+                ..Default::default()
+            })
+            .await;
 
-            db.delete_user("myuser")
-                .await
-                .expect("User deletion query failed");
+        assert!(insert_result.is_ok());
 
-            let user = db
-                .get_user("myuser")
-                .await
-                .expect("User retrieval query failed");
+        db.delete_user("myuser")
+            .await
+            .expect("User deletion query failed");
 
-            assert!(user.is_none());
-        })
-        .await;
+        let user = db
+            .get_user("myuser")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_none());
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn username_not_in_db_returns_none() {
-        with_db(|db| async move {
-            let user = db
-                .get_user("does not exist")
-                .await
-                .expect("Get user query failure");
+        let db = create_db().await;
+        let user = db
+            .get_user("does not exist")
+            .await
+            .expect("Get user query failure");
 
-            assert!(user.is_none());
-        })
-        .await;
+        assert!(user.is_none());
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn authenticate_user_is_some_with_valid_password() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some(
-                        crate::logic::hash_password("abc").expect("password hash error!"),
-                    ),
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some(crate::logic::hash_password("abc").expect("password hash error!")),
+                ..Default::default()
+            })
+            .await;
 
-            let user = db
-                .authenticate_user("myuser", "abc")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result.is_ok());
 
-            assert!(user.is_some());
-            let user = user.unwrap();
-            assert_eq!(user.username, "myuser");
-        })
-        .await;
+        let user = db
+            .authenticate_user("myuser", "abc")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_some());
+        let user = user.unwrap();
+        assert_eq!(user.username, "myuser");
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn authenticate_user_is_none_with_wrong_password() {
-        with_db(|db| async move {
-            let insert_result = db
-                .upsert_user(&User {
-                    username: "myuser".to_string(),
-                    password: Some(
-                        crate::logic::hash_password("abc").expect("password hash error!"),
-                    ),
-                    ..Default::default()
-                })
-                .await;
+        let db = create_db().await;
 
-            assert!(insert_result.is_ok());
+        let insert_result = db
+            .upsert_user(&User {
+                username: "myuser".to_string(),
+                password: Some(crate::logic::hash_password("abc").expect("password hash error!")),
+                ..Default::default()
+            })
+            .await;
 
-            let user = db
-                .authenticate_user("myuser", "wrong-password")
-                .await
-                .expect("User retrieval query failed");
+        assert!(insert_result.is_ok());
 
-            assert!(user.is_none());
-        })
-        .await;
+        let user = db
+            .authenticate_user("myuser", "wrong-password")
+            .await
+            .expect("User retrieval query failed");
+
+        assert!(user.is_none());
     }
 }

dicebot/src/db/sqlite/variables.rs

@@ -102,156 +102,143 @@ mod tests {
     use super::*;
     use crate::db::sqlite::Database;
     use crate::db::Variables;
-    use std::future::Future;
 
-    async fn with_db<Fut>(f: impl FnOnce(Database) -> Fut)
-    where
-        Fut: Future<Output = ()>,
-    {
+    async fn create_db() -> Database {
         let db_path = tempfile::NamedTempFile::new_in(".").unwrap();
         crate::db::sqlite::migrator::migrate(db_path.path().to_str().unwrap())
             .await
             .unwrap();
 
-        let db = Database::new(db_path.path().to_str().unwrap())
+        Database::new(db_path.path().to_str().unwrap())
             .await
-            .unwrap();
-
-        f(db).await;
+            .unwrap()
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn set_and_get_variable_test() {
-        with_db(|db| async move {
-            db.set_user_variable("myuser", "myroom", "myvariable", 1)
-                .await
-                .expect("Could not set variable");
+        let db = create_db().await;
 
-            let value = db
-                .get_user_variable("myuser", "myroom", "myvariable")
-                .await
-                .expect("Could not get variable");
+        db.set_user_variable("myuser", "myroom", "myvariable", 1)
+            .await
+            .expect("Could not set variable");
 
-            assert_eq!(value, 1);
-        })
-        .await;
+        let value = db
+            .get_user_variable("myuser", "myroom", "myvariable")
+            .await
+            .expect("Could not get variable");
+
+        assert_eq!(value, 1);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn get_missing_variable_test() {
-        with_db(|db| async move {
-            let value = db.get_user_variable("myuser", "myroom", "myvariable").await;
+        let db = create_db().await;
 
-            assert!(value.is_err());
-            assert!(matches!(
-                value.err().unwrap(),
-                DataError::KeyDoesNotExist(_)
-            ));
-        })
-        .await;
+        let value = db.get_user_variable("myuser", "myroom", "myvariable").await;
+
+        assert!(value.is_err());
+        assert!(matches!(
+            value.err().unwrap(),
+            DataError::KeyDoesNotExist(_)
+        ));
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn get_other_user_variable_test() {
-        with_db(|db| async move {
-            db.set_user_variable("myuser1", "myroom", "myvariable", 1)
-                .await
-                .expect("Could not set variable");
+        let db = create_db().await;
 
-            let value = db
-                .get_user_variable("myuser2", "myroom", "myvariable")
-                .await;
+        db.set_user_variable("myuser1", "myroom", "myvariable", 1)
+            .await
+            .expect("Could not set variable");
 
-            assert!(value.is_err());
-            assert!(matches!(
-                value.err().unwrap(),
-                DataError::KeyDoesNotExist(_)
-            ));
-        })
-        .await;
+        let value = db
+            .get_user_variable("myuser2", "myroom", "myvariable")
+            .await;
+
+        assert!(value.is_err());
+        assert!(matches!(
+            value.err().unwrap(),
+            DataError::KeyDoesNotExist(_)
+        ));
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn count_variables_test() {
-        with_db(|db| async move {
-            for variable_name in &["var1", "var2", "var3"] {
-                db.set_user_variable("myuser", "myroom", variable_name, 1)
-                    .await
-                    .expect("Could not set variable");
-            }
+        let db = create_db().await;
 
-            let count = db
-                .get_variable_count("myuser", "myroom")
+        for variable_name in &["var1", "var2", "var3"] {
+            db.set_user_variable("myuser", "myroom", variable_name, 1)
                 .await
-                .expect("Could not get count.");
+                .expect("Could not set variable");
+        }
 
-            assert_eq!(count, 3);
-        })
-        .await;
+        let count = db
+            .get_variable_count("myuser", "myroom")
+            .await
+            .expect("Could not get count.");
+
+        assert_eq!(count, 3);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn count_variables_respects_user_id() {
-        with_db(|db| async move {
-            for variable_name in &["var1", "var2", "var3"] {
-                db.set_user_variable("different-user", "myroom", variable_name, 1)
-                    .await
-                    .expect("Could not set variable");
-            }
+        let db = create_db().await;
 
-            let count = db
-                .get_variable_count("myuser", "myroom")
+        for variable_name in &["var1", "var2", "var3"] {
+            db.set_user_variable("different-user", "myroom", variable_name, 1)
                 .await
-                .expect("Could not get count.");
+                .expect("Could not set variable");
+        }
 
-            assert_eq!(count, 0);
-        })
-        .await;
+        let count = db
+            .get_variable_count("myuser", "myroom")
+            .await
+            .expect("Could not get count.");
+
+        assert_eq!(count, 0);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn count_variables_respects_room_id() {
-        with_db(|db| async move {
-            for variable_name in &["var1", "var2", "var3"] {
-                db.set_user_variable("myuser", "different-room", variable_name, 1)
-                    .await
-                    .expect("Could not set variable");
-            }
+        let db = create_db().await;
 
-            let count = db
-                .get_variable_count("myuser", "myroom")
+        for variable_name in &["var1", "var2", "var3"] {
+            db.set_user_variable("myuser", "different-room", variable_name, 1)
                 .await
-                .expect("Could not get count.");
+                .expect("Could not set variable");
+        }
 
-            assert_eq!(count, 0);
-        })
-        .await;
+        let count = db
+            .get_variable_count("myuser", "myroom")
+            .await
+            .expect("Could not get count.");
+
+        assert_eq!(count, 0);
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn delete_variable_test() {
-        with_db(|db| async move {
-            for variable_name in &["var1", "var2", "var3"] {
-                db.set_user_variable("myuser", "myroom", variable_name, 1)
-                    .await
-                    .expect("Could not set variable");
-            }
+        let db = create_db().await;
 
-            db.delete_user_variable("myuser", "myroom", "var1")
+        for variable_name in &["var1", "var2", "var3"] {
+            db.set_user_variable("myuser", "myroom", variable_name, 1)
                 .await
-                .expect("Could not delete variable.");
+                .expect("Could not set variable");
+        }
 
-            let count = db
-                .get_variable_count("myuser", "myroom")
-                .await
-                .expect("Could not get count");
+        db.delete_user_variable("myuser", "myroom", "var1")
+            .await
+            .expect("Could not delete variable.");
 
-            assert_eq!(count, 2);
+        let count = db
+            .get_variable_count("myuser", "myroom")
+            .await
+            .expect("Could not get count");
 
-            let var1 = db.get_user_variable("myuser", "myroom", "var1").await;
-            assert!(var1.is_err());
-            assert!(matches!(var1.err().unwrap(), DataError::KeyDoesNotExist(_)));
-        })
-        .await;
+        assert_eq!(count, 2);
+
+        let var1 = db.get_user_variable("myuser", "myroom", "var1").await;
+        assert!(var1.is_err());
+        assert!(matches!(var1.err().unwrap(), DataError::KeyDoesNotExist(_)));
     }
 }

dicebot/src/error.rs

@@ -18,12 +18,6 @@ pub enum BotError {
     #[error("could not retrieve device id")]
     NoDeviceIdFound,
 
-    #[error("could not build client: {0}")]
-    ClientBuildError(#[from] matrix_sdk::ClientBuildError),
-
-    #[error("could not open matrix store: {0}")]
-    OpenStoreError(#[from] matrix_sdk::store::OpenStoreError),
-
     #[error("command error: {0}")]
     CommandError(#[from] CommandError),
 
@@ -39,15 +33,15 @@ pub enum BotError {
     #[error("could not parse URL")]
     UrlParseError(#[from] url::ParseError),
 
-    #[error("could not parse ID")]
-    IdParseError(#[from] matrix_sdk::ruma::IdParseError),
-
     #[error("error in matrix state store: {0}")]
     MatrixStateStoreError(#[from] matrix_sdk::StoreError),
 
     #[error("uncategorized matrix SDK error: {0}")]
     MatrixError(#[from] matrix_sdk::Error),
 
+    #[error("uncategorized matrix SDK base error: {0}")]
+    MatrixBaseError(#[from] matrix_sdk::BaseError),
+
     #[error("future canceled")]
     FutureCanceledError,
 
@@ -85,8 +79,8 @@ pub enum BotError {
     #[error("could not convert to proper integer type")]
     TryFromIntError(#[from] std::num::TryFromIntError),
 
-    // #[error("identifier error: {0}")]
-    // IdentifierError(#[from] matrix_sdk::ruma::Error),
+    #[error("identifier error: {0}")]
+    IdentifierError(#[from] matrix_sdk::identifiers::Error),
 
     #[error("password creation error: {0}")]
     PasswordCreationError(argon2::Error),

dicebot/src/help.rs

@@ -6,9 +6,6 @@ pub fn parse_help_topic(input: &str) -> Option<HelpTopic> {
         "dicepool" => Some(HelpTopic::DicePool),
         "dice" => Some(HelpTopic::RollingDice),
         "cthulhu" => Some(HelpTopic::Cthulhu),
-        "variables" => Some(HelpTopic::Variables),
-        "var" => Some(HelpTopic::Variables),
-        "variable" => Some(HelpTopic::Variables),
         "" => Some(HelpTopic::General),
         _ => None,
     }
@@ -19,7 +16,6 @@ pub enum HelpTopic {
     DicePool,
     Cthulhu,
     RollingDice,
-    Variables,
     General,
 }
 
@@ -105,34 +101,6 @@ Note: If !cthadv is given a variable, and the roll is successful, it will
 update the variable with the new skill.
 "};
 
-const VARIABLES_HELP: &'static str = indoc! {"
-Variables
-
-Commands: !get, !set, !variables
-
-Manage variables that can be substituted into roll commands.
-
-Examples: !get myvar, !set myvar 10
-
-!get <variable> = show variable of the given name
-!set <variable> <num> = set a variable to a number
-
-The !variables command will list all variables for the room. The
-variables command cna be used in a secure room to avoid spamming the
-actual room that the variable is set in.
-
-Variable names can be used in all types of dice rolls:
-
-!pool myvar + 3
-!roll myvar
-
-There are some limitations on variables: they cannot themselves be
-dice expressions (i.e. can only be numbers), and they must be uniquely
-parseable in an expression (i.e 'myvard6' does not work for the !roll
-command).
-
-"};
-
 const GENERAL_HELP: &'static str = indoc! {"
 General Help
 
@@ -149,7 +117,6 @@ impl HelpTopic {
             HelpTopic::DicePool => DICEPOOL_HELP,
             HelpTopic::Cthulhu => CTHULHU_HELP,
             HelpTopic::RollingDice => DICE_HELP,
-            HelpTopic::Variables => VARIABLES_HELP,
             HelpTopic::General => GENERAL_HELP,
         }
     }

dicebot/src/lib.rs

@@ -14,4 +14,3 @@ pub mod models;
 mod parser;
 pub mod rpc;
 pub mod state;
-pub mod systems;

dicebot/src/logic.rs

@@ -71,61 +71,53 @@ mod tests {
     use super::*;
     use crate::db::Users;
     use crate::models::{AccountStatus, User};
-    use std::future::Future;
 
-    async fn with_db<Fut>(f: impl FnOnce(Database) -> Fut)
-    where
-        Fut: Future<Output = ()>,
-    {
+    async fn create_db() -> Database {
         let db_path = tempfile::NamedTempFile::new_in(".").unwrap();
         crate::db::sqlite::migrator::migrate(db_path.path().to_str().unwrap())
             .await
             .unwrap();
 
-        let db = Database::new(db_path.path().to_str().unwrap())
+        Database::new(db_path.path().to_str().unwrap())
             .await
-            .unwrap();
-
-        f(db).await;
+            .unwrap()
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn get_account_no_user_exists() {
-        with_db(|db| async move {
-            let account = get_account(&db, "@test:example.com")
-                .await
-                .expect("Account retrieval didn't work");
+        let db = create_db().await;
 
-            assert!(matches!(account, Account::Transient(_)));
+        let account = get_account(&db, "@test:example.com")
+            .await
+            .expect("Account retrieval didn't work");
 
-            let user = account.transient_user().unwrap();
-            assert_eq!(user.username, "@test:example.com");
-        })
-        .await;
+        assert!(matches!(account, Account::Transient(_)));
+
+        let user = account.transient_user().unwrap();
+        assert_eq!(user.username, "@test:example.com");
     }
 
     #[tokio::test(flavor = "multi_thread", worker_threads = 1)]
     async fn get_or_create_user_when_user_exists() {
-        with_db(|db| async move {
-            let user = User {
-                username: "myuser".to_string(),
-                password: Some("abc".to_string()),
-                account_status: AccountStatus::Registered,
-                active_room: Some("myroom".to_string()),
-            };
+        let db = create_db().await;
 
-            let insert_result = db.upsert_user(&user).await;
-            assert!(insert_result.is_ok());
+        let user = User {
+            username: "myuser".to_string(),
+            password: Some("abc".to_string()),
+            account_status: AccountStatus::Registered,
+            active_room: Some("myroom".to_string()),
+        };
 
-            let account = get_account(&db, "myuser")
-                .await
-                .expect("Account retrieval did not work");
+        let insert_result = db.upsert_user(&user).await;
+        assert!(insert_result.is_ok());
 
-            assert!(matches!(account, Account::Registered(_)));
+        let account = get_account(&db, "myuser")
+            .await
+            .expect("Account retrieval did not work");
 
-            let user_again = account.registered_user().unwrap();
-            assert_eq!(user, *user_again);
-        })
-        .await;
+        assert!(matches!(account, Account::Registered(_)));
+
+        let user_again = account.registered_user().unwrap();
+        assert_eq!(user, *user_again);
     }
 }

dicebot/src/matrix.rs

@@ -2,12 +2,15 @@ use std::path::PathBuf;
 
 use futures::stream::{self, StreamExt, TryStreamExt};
 use log::error;
-use matrix_sdk::ruma::events::room::message::{InReplyTo, RoomMessageEventContent, Relation};
-use matrix_sdk::ruma::events::AnyMessageLikeEventContent;
-use matrix_sdk::ruma::{RoomId, OwnedEventId, OwnedUserId};
-use matrix_sdk::Client;
-use matrix_sdk::Error as MatrixError;
-use matrix_sdk::room::Joined;
+use matrix_sdk::{events::room::message::NoticeMessageEventContent, room::Joined, ClientConfig};
+use matrix_sdk::{
+    events::room::message::{InReplyTo, Relation},
+    events::room::message::{MessageEventContent, MessageType},
+    events::AnyMessageEventContent,
+    identifiers::EventId,
+    Error as MatrixError,
+};
+use matrix_sdk::{identifiers::RoomId, identifiers::UserId, Client};
 use url::Url;
 
 use crate::{config::Config, error::BotError};
@@ -29,16 +32,12 @@ fn extract_error_message(error: MatrixError) -> String {
 }
 
 /// Creates the matrix client.
-pub async fn create_client(config: &Config) -> Result<Client, BotError> {
+pub fn create_client(config: &Config) -> Result<Client, BotError> {
     let cache_dir = cache_dir()?;
+    let client_config = ClientConfig::new().store_path(cache_dir);
     let homeserver_url = Url::parse(&config.matrix_homeserver())?;
 
-    let client = Client::builder()
-        .sled_store(cache_dir, None)?
-        .homeserver_url(homeserver_url).build()
-        .await?;
-
-    Ok(client)
+    Ok(Client::new_with_config(homeserver_url, client_config)?)
 }
 
 /// Retrieve a list of users in a given room.
@@ -60,7 +59,7 @@ pub async fn get_users_in_room(
 
 pub async fn get_rooms_for_user(
     client: &Client,
-    user: &OwnedUserId,
+    user: &UserId,
 ) -> Result<Vec<Joined>, MatrixError> {
     // Carries errors through, in case we cannot load joined user IDs
     // from the room for some reason.
@@ -88,7 +87,7 @@ pub async fn send_message(
     client: &Client,
     room_id: &RoomId,
     message: (&str, &str),
-    reply_to: Option<OwnedEventId>,
+    reply_to: Option<EventId>,
 ) {
     let (html, plain) = message;
     let room = match client.get_joined_room(room_id) {
@@ -96,13 +95,15 @@ pub async fn send_message(
         _ => return,
     };
 
-    let mut content = RoomMessageEventContent::notice_html(plain.trim(), html);
+    let mut content = MessageEventContent::new(MessageType::Notice(
+        NoticeMessageEventContent::html(plain.trim(), html),
+    ));
 
     content.relates_to = reply_to.map(|event_id| Relation::Reply {
-        in_reply_to: InReplyTo::new(event_id)
+        in_reply_to: InReplyTo::new(event_id),
     });
 
-    let content = AnyMessageLikeEventContent::RoomMessage(content);
+    let content = AnyMessageEventContent::RoomMessage(content);
 
     let result = room.send(content, None).await;
 

dicebot/src/parser/dice.rs

@@ -151,9 +151,8 @@ where
 /// should not have an operator, but every one after that should.
 /// Accepts expressions like "8", "10 + variablename", "variablename -
 /// 3", etc. This function is currently common to systems that don't
-/// deal with XdY rolls. Support for that will be added later. Returns
-/// parsed amounts and unconsumed input (e.g. roll modifiers).
-pub fn parse_amounts(input: &str) -> ParseResult<(Vec<Amount>, &str)> {
+/// deal with XdY rolls. Support for that will be added later.
+pub fn parse_amounts(input: &str) -> ParseResult<Vec<Amount>> {
     let input = input.trim();
 
     let remaining_amounts = many(amount_parser()).map(|amounts: Vec<ParseResult<Amount>>| amounts);
@@ -170,23 +169,31 @@ pub fn parse_amounts(input: &str) -> ParseResult<(Vec<Amount>, &str)> {
             (amounts, results.1)
         })?;
 
-    // Any ParseResult errors will short-circuit the collect.
-    let results: Vec<Amount> = results.into_iter().collect::<ParseResult<_>>()?;
-    Ok((results, rest))
+    if rest.len() == 0 {
+        // Any ParseResult errors will short-circuit the collect.
+        results.into_iter().collect()
+    } else {
+        Err(DiceParsingError::UnconsumedInput)
+    }
 }
 
 /// Parse an expression that expects a single number or variable. No
 /// operators are allowed. This function is common to systems that
 /// don't deal with XdY rolls. Currently. this function does not
-/// support parsing negative numbers. Returns the parsed amount and
-/// any unconsumed input (useful for dice roll modifiers).
-pub fn parse_single_amount(input: &str) -> ParseResult<(Amount, &str)> {
+/// support parsing negative numbers.
+pub fn parse_single_amount(input: &str) -> ParseResult<Amount> {
     // TODO add support for negative numbers, as technically they
     // should be allowed.
     let input = input.trim();
     let mut parser = first_amount_parser().map(|amount: ParseResult<Amount>| amount);
+
     let (result, rest) = parser.parse(input)?;
-    Ok((result?, rest))
+
+    if rest.len() == 0 {
+        result
+    } else {
+        Err(DiceParsingError::UnconsumedInput)
+    }
 }
 
 #[cfg(test)]
@@ -199,13 +206,10 @@ mod parse_single_amount_tests {
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                Amount {
-                    operator: Operator::Plus,
-                    element: Element::Variable("abc".to_string())
-                },
-                ""
-            )
+            Amount {
+                operator: Operator::Plus,
+                element: Element::Variable("abc".to_string())
+            }
         )
     }
 
@@ -229,15 +233,24 @@ mod parse_single_amount_tests {
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                Amount {
-                    operator: Operator::Plus,
-                    element: Element::Number(1)
-                },
-                ""
-            )
+            Amount {
+                operator: Operator::Plus,
+                element: Element::Number(1)
+            }
         )
     }
+
+    #[test]
+    fn parse_multiple_elements_test() {
+        let result = parse_single_amount("1+abc");
+        assert!(result.is_err());
+
+        let result = parse_single_amount("abc+1");
+        assert!(result.is_err());
+
+        let result = parse_single_amount("-1-abc");
+        assert!(result.is_err());
+    }
 }
 
 #[cfg(test)]
@@ -250,26 +263,20 @@ mod parse_many_amounts_tests {
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                vec![Amount {
-                    operator: Operator::Plus,
-                    element: Element::Number(1)
-                }],
-                ""
-            )
+            vec![Amount {
+                operator: Operator::Plus,
+                element: Element::Number(1)
+            }]
         );
 
         let result = parse_amounts("10");
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                vec![Amount {
-                    operator: Operator::Plus,
-                    element: Element::Number(10)
-                }],
-                ""
-            )
+            vec![Amount {
+                operator: Operator::Plus,
+                element: Element::Number(10)
+            }]
         );
     }
 
@@ -288,26 +295,20 @@ mod parse_many_amounts_tests {
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                vec![Amount {
-                    operator: Operator::Plus,
-                    element: Element::Variable("asdf".to_string())
-                }],
-                ""
-            )
+            vec![Amount {
+                operator: Operator::Plus,
+                element: Element::Variable("asdf".to_string())
+            }]
         );
 
         let result = parse_amounts("nosis");
         assert!(result.is_ok());
         assert_eq!(
             result.unwrap(),
-            (
-                vec![Amount {
-                    operator: Operator::Plus,
-                    element: Element::Variable("nosis".to_string())
-                }],
-                ""
-            )
+            vec![Amount {
+                operator: Operator::Plus,
+                element: Element::Variable("nosis".to_string())
+            }]
         );
     }
 

dicebot/src/rpc/service.rs

@@ -4,8 +4,7 @@ use crate::matrix;
 use crate::{config::Config, db::sqlite::Database};
 use futures::stream;
 use futures::{StreamExt, TryFutureExt, TryStreamExt};
-use matrix_sdk::ruma::OwnedUserId;
-use matrix_sdk::{room::Joined, Client};
+use matrix_sdk::{identifiers::UserId, room::Joined, Client};
 use std::convert::TryFrom;
 use std::sync::Arc;
 use tenebrous_rpc::protos::dicebot::{
@@ -64,7 +63,12 @@ impl Dicebot for DicebotRpcService {
             .get_user_variable(&request.user_id, &request.room_id, &request.variable_name)
             .await?;
 
-        Ok(Response::new(GetVariableReply { value }))
+        Ok(Response::new(GetVariableReply {
+            user_id: request.user_id.clone(),
+            room_id: request.room_id.clone(),
+            variable_name: request.variable_name.clone(),
+            value,
+        }))
     }
 
     async fn get_all_variables(
@@ -77,7 +81,11 @@ impl Dicebot for DicebotRpcService {
             .get_user_variables(&request.user_id, &request.room_id)
             .await?;
 
-        Ok(Response::new(GetAllVariablesReply { variables }))
+        Ok(Response::new(GetAllVariablesReply {
+            user_id: request.user_id.clone(),
+            room_id: request.user_id.clone(),
+            variables,
+        }))
     }
 
     async fn rooms_for_user(
@@ -85,7 +93,7 @@ impl Dicebot for DicebotRpcService {
         request: Request<UserIdRequest>,
     ) -> Result<Response<RoomsListReply>, Status> {
         let UserIdRequest { user_id } = request.into_inner();
-        let user_id = OwnedUserId::try_from(user_id).map_err(BotError::from)?;
+        let user_id = UserId::try_from(user_id).map_err(BotError::from)?;
 
         let rooms_for_user = matrix::get_rooms_for_user(&self.client, &user_id)
             .err_into::<BotError>()
@@ -95,7 +103,7 @@ impl Dicebot for DicebotRpcService {
             .filter_map(|room: Joined| async move {
                 let room: Result<Room, _> = room.display_name().await.map(|room_name| Room {
                     room_id: room.room_id().to_string(),
-                    display_name: room_name.to_string(),
+                    display_name: room_name,
                 });
 
                 Some(room)
@@ -112,6 +120,9 @@ impl Dicebot for DicebotRpcService {
 
         rooms.sort_by(sort);
 
-        Ok(Response::new(RoomsListReply { rooms }))
+        Ok(Response::new(RoomsListReply {
+            user_id: user_id.into_string(),
+            rooms,
+        }))
     }
 }

dicebot/src/systems/mod.rs

@@ -1,21 +0,0 @@
-use strum::{AsRefStr, Display, EnumIter, EnumString};
-
-#[derive(EnumString, EnumIter, AsRefStr, Display)]
-pub(crate) enum GameSystem {
-    ChroniclesOfDarkness,
-    Changeling,
-    MageTheAwakening,
-    WerewolfTheForsaken,
-    DeviantTheRenegades,
-    MummyTheCurse,
-    PrometheanTheCreated,
-    CallOfCthulhu,
-    DungeonsAndDragons5e,
-    DungeonsAndDragons4e,
-    DungeonsAndDragons35e,
-    DungeonsAndDragons2e,
-    DungeonsAndDragons1e,
-    None,
-}
-
-impl GameSystem {}

rpc/Cargo.toml

@@ -3,16 +3,18 @@ name = "tenebrous-rpc"
 version = "0.1.0"
 authors = ["projectmoon <projectmoon@agnos.is>"]
 edition = "2018"
-description = "gRPC protobuf models for Tenebrous."
-homepage = "https://git.agnos.is/projectmoon/tenebrous-dicebot"
-repository = "https://git.agnos.is/projectmoon/tenebrous-dicebot"
-license = "AGPL-3.0-or-later"
 
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+# Default is to build tonic and tonic-build as they normally are. The
+# wasm feature is for WebAssmebly, and disables Tonic's transport
+# feature. There is a separate grpc-web-client that can use tonic's
+# requests to make grpc-web requests.
+[features]
+default = ["tonic/default", "tonic-build/default"]
+wasm = [ "tonic/codegen", "tonic/prost", "tonic-build/prost"]
 
 [build-dependencies]
-tonic-build = "0.4"
+tonic-build = { version = "0.4", default_features = false }
 
 [dependencies]
-tonic = "0.4"
+tonic = { version = "0.4", default_features = false }
 prost = "0.7"

rpc/build.rs

@@ -1,4 +1,16 @@
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    tonic_build::compile_protos("protos/dicebot.proto")?;
-    Ok(())
+    if cfg!(feature = "only-client") {
+        tonic_build::configure().build_server(false).compile(
+            &["protos/dicebot.proto", "protos/web-api.proto"],
+            &["protos/"],
+        )?;
+
+        Ok(())
+    } else {
+        tonic_build::configure().compile(
+            &["protos/dicebot.proto", "protos/web-api.proto"],
+            &["protos/"],
+        )?;
+        Ok(())
+    }
 }

rpc/protos/dicebot.proto

@@ -15,7 +15,10 @@ message GetVariableRequest {
 }
 
 message GetVariableReply {
-  int32 value = 1;
+  string user_id = 1;
+  string room_id = 2;
+  string variable_name = 3;
+  int32 value = 4;
 }
 
 message GetAllVariablesRequest {
@@ -24,7 +27,9 @@ message GetAllVariablesRequest {
 }
 
 message GetAllVariablesReply {
-  map<string, int32> variables = 1;
+  string user_id = 1;
+  string room_id = 2;
+  map<string, int32> variables = 3;
 }
 
 message SetVariableRequest {
@@ -48,5 +53,6 @@ message RoomsListReply {
     string display_name = 2;
   }
 
-  repeated Room rooms = 1;
+  string user_id = 1;
+  repeated Room rooms = 2;
 }

rpc/protos/web-api.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+package web_api;
+
+service WebApi {
+  rpc ListRoom(UserIdRequest) returns (RoomsListReply);
+}
+
+message UserIdRequest {
+  string user_id = 1;
+}
+
+message RoomsListReply {
+  message Room {
+    string room_id = 1;
+    string display_name = 2;
+  }
+
+  repeated Room rooms = 1;
+}

rpc/src/lib.rs

@@ -1,5 +1,28 @@
 pub mod protos {
+    pub mod web_api {
+        tonic::include_proto!("web_api");
+    }
+
     pub mod dicebot {
         tonic::include_proto!("dicebot");
     }
 }
+
+use protos::dicebot::dicebot_client::DicebotClient;
+use tonic::{metadata::MetadataValue, transport::Channel as TonicChannel, Request as TonicRequest};
+
+#[cfg(feature = "default")]
+pub async fn create_client(
+    address: &'static str,
+    shared_secret: &str,
+) -> Result<DicebotClient<TonicChannel>, Box<dyn std::error::Error>> {
+    let channel = TonicChannel::from_shared(address)?.connect().await?;
+
+    let bearer = MetadataValue::from_str(&format!("Bearer {}", shared_secret))?;
+    let client = DicebotClient::with_interceptor(channel, move |mut req: TonicRequest<()>| {
+        req.metadata_mut().insert("authorization", bearer.clone());
+        Ok(req)
+    });
+
+    Ok(client)
+}

rpc/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("Hello, world!");
+}

web-ui/crate/Cargo.lock

@@ -0,0 +1,691 @@
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web-ui/crate/Cargo.toml

@@ -0,0 +1,48 @@
+[package]
+name = "tenebrous-web-ui"
+version = "0.1.0"
+authors = ["projectmoon <projectmoon@agnos.is>"]
+edition = "2018"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[lib]
+crate-type = ["cdylib", "rlib"]
+
+[build-dependencies]
+tenebrous-api = { path = "../../api" }
+
+[dependencies]
+yew = { version = "0.18" }
+yewtil = {version = "0.4" }
+yew-router = {version = "0.15" }
+yewdux = { git = "https://github.com/intendednull/yewdux", rev = "v0.6.2"}
+wasm-bindgen = { version = "0.2" }
+wasm-bindgen-futures = "0.4"
+js-sys = "0.3"
+#graphql_client = { git = "https://github.com/graphql-rust/graphql-client", branch = "master" }
+#graphql_client_web = { git = "https://github.com/graphql-rust/graphql-client", branch = "master" }
+graphql_client = "0.10.0"
+serde = { version = "1.0.67", features = ["derive"] }
+serde_json = {version = "1.0" }
+thiserror = "1.0"
+jsonwebtoken = "7.2"
+
+[dependencies.web-sys]
+version = "0.3"
+features = [
+  'Headers',
+  'Request',
+  'RequestInit',
+  'RequestMode',
+  'Response',
+  'Window',
+]
+
+# hopefully we can add grpc-web later instead of graphql.
+# prost = { version = "0.7.0", default-features = false }
+# tonic = { git = "https://github.com/hyperium/tonic", branch = "master", default-features = false, features = ["codegen", "prost"] }
+# tenebrous-rpc = { path = "../../rpc", default_features = false, features = ["wasm"] }
+
+# [build-dependencies]
+# tonic-build = { version = "0.4", default-features = false, features = ["prost"] }

web-ui/crate/build.rs

@@ -0,0 +1,7 @@
+use std::fs;
+use tenebrous_api::schema;
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let schema_doc = schema::schema().as_schema_language();
+    fs::write("schema.graphql", schema_doc)?;
+    Ok(())
+}

web-ui/crate/graphql/queries/get_user_variable.graphql

@@ -0,0 +1,8 @@
+query GetUserVariable($roomId: String!, $userId: String!, $variable: String!) {
+  variable(roomId: $roomId, userId: $userId, variable: $variable) {
+    roomId
+    userId
+    value
+    variableName
+  }
+}

web-ui/crate/graphql/queries/rooms_for_user.graphql

@@ -0,0 +1,9 @@
+query RoomsForUser($userId: String!) {
+  userRooms(userId: $userId) {
+    userId
+    rooms {
+      roomId
+      displayName
+    }
+  }
+}

web-ui/crate/graphql/schema.graphql

@@ -0,0 +1,29 @@
+"User variable in a room."
+type UserVariable {
+  roomId: String!
+  userId: String!
+  variableName: String!
+  value: Int!
+}
+
+type Query {
+  apiVersion: String!
+  variable(roomId: String!, userId: String!, variable: String!): UserVariable!
+  userRooms(userId: String!): UserRoomList!
+}
+
+"List of rooms a user is in."
+type UserRoomList {
+  userId: String!
+  rooms: [Room!]!
+}
+
+"A matrix room."
+type Room {
+  roomId: String!
+  displayName: String!
+}
+
+schema {
+  query: Query
+}

web-ui/crate/schema.graphql

@@ -0,0 +1,29 @@
+"User variable in a room."
+type UserVariable {
+  roomId: String!
+  userId: String!
+  variableName: String!
+  value: Int!
+}
+
+type Query {
+  apiVersion: String!
+  variable(roomId: String!, userId: String!, variable: String!): UserVariable!
+  userRooms(userId: String!): UserRoomList!
+}
+
+"List of rooms a user is in."
+type UserRoomList {
+  userId: String!
+  rooms: [Room!]!
+}
+
+"A matrix room."
+type Room {
+  roomId: String!
+  displayName: String!
+}
+
+schema {
+  query: Query
+}

web-ui/crate/src/api/auth.rs

@@ -0,0 +1,88 @@
+use crate::error::UiError;
+use serde::{Deserialize, Serialize};
+use wasm_bindgen::prelude::*;
+use wasm_bindgen::JsCast;
+use wasm_bindgen_futures::JsFuture;
+use web_sys::{console, Request, RequestCredentials, RequestInit, RequestMode, Response};
+
+/// A struct representing an error coming back from the REST API
+/// endpoint. The API server encodes any errors as JSON objects with a
+/// "message" property containing the error, and a bad status code.
+#[derive(Debug, Serialize, Deserialize)]
+struct ApiError {
+    message: Option<String>,
+}
+
+#[derive(Debug, Serialize, Deserialize)]
+struct LoginResponse {
+    jwt_token: String,
+}
+
+async fn make_request<T>(request: Request) -> Result<T, UiError>
+where
+    T: for<'a> Deserialize<'a>,
+{
+    let window = web_sys::window().unwrap();
+
+    let resp_value = JsFuture::from(window.fetch_with_request(&request)).await?;
+    let resp: Response = resp_value.dyn_into().unwrap();
+    let ok = resp.ok();
+
+    let json = JsFuture::from(resp.json()?).await?;
+    console::log_1(&json);
+    //if ok, attempt to deserialize into T.
+    //if not ok, attempt to deserialize into struct with message, and fall back
+    //if that fails.
+    if ok {
+        let data: T = json.into_serde()?;
+        Ok(data)
+    } else {
+        let data: ApiError = json.into_serde()?;
+        Err(UiError::ApiError(data.message.unwrap_or_else(|| {
+            let status_text = resp.status_text();
+            let status = resp.status();
+            format!("[{}] - {} - unknown api error", status, status_text)
+        })))
+    }
+}
+
+pub async fn login(username: &str, password: &str) -> Result<String, UiError> {
+    let mut opts = RequestInit::new();
+    opts.method("POST");
+    opts.mode(RequestMode::Cors);
+    opts.credentials(RequestCredentials::Include);
+
+    let body = JsValue::from_str(
+        &serde_json::json!({
+            "username": username,
+            "password": password
+        })
+        .to_string(),
+    );
+
+    opts.body(Some(&body));
+    let url = format!("http://localhost:10000/login");
+
+    let request = Request::new_with_str_and_init(&url, &opts)?;
+    request.headers().set("Content-Type", "application/json")?;
+    request.headers().set("Accept", "application/json")?;
+
+    let response: LoginResponse = make_request(request).await?;
+    Ok(response.jwt_token)
+}
+
+pub async fn refresh_jwt() -> Result<String, UiError> {
+    let mut opts = RequestInit::new();
+    opts.method("POST");
+    opts.mode(RequestMode::Cors);
+    opts.credentials(RequestCredentials::Include);
+
+    let url = format!("http://localhost:10000/refresh");
+
+    let request = Request::new_with_str_and_init(&url, &opts)?;
+    request.headers().set("Content-Type", "application/json")?;
+    request.headers().set("Accept", "application/json")?;
+
+    let response: LoginResponse = make_request(request).await?;
+    Ok(response.jwt_token)
+}

web-ui/crate/src/api/dicebot.rs

@@ -0,0 +1,58 @@
+use graphql_client::Client;
+use graphql_client::GraphQLQuery;
+use graphql_client::Response;
+
+use super::ResponseExt;
+use crate::error::UiError;
+
+#[derive(GraphQLQuery)]
+#[graphql(
+    schema_path = "graphql/schema.graphql",
+    query_path = "graphql/queries/get_user_variable.graphql",
+    response_derives = "Debug"
+)]
+struct GetUserVariable;
+
+#[derive(GraphQLQuery)]
+#[graphql(
+    schema_path = "graphql/schema.graphql",
+    query_path = "graphql/queries/rooms_for_user.graphql",
+    response_derives = "Debug"
+)]
+struct RoomsForUser;
+
+pub async fn get_user_variable(
+    jwt_token: &str,
+    room_id: &str,
+    user_id: &str,
+    variable_name: &str,
+) -> Result<i64, UiError> {
+    let mut client = Client::new("http://localhost:10000/graphql");
+    client.add_header("Authorization", &format!("Bearer {}", jwt_token));
+
+    let variables = get_user_variable::Variables {
+        room_id: room_id.to_owned(),
+        user_id: user_id.to_owned(),
+        variable: variable_name.to_owned(),
+    };
+
+    let response = client.call(GetUserVariable, variables).await?;
+    let response: graphql_client::Response<get_user_variable::ResponseData> = response;
+    Ok(response.data()?.variable.value)
+}
+
+pub async fn rooms_for_user(
+    jwt_token: &str,
+    user_id: &str,
+) -> Result<Vec<rooms_for_user::RoomsForUserUserRoomsRooms>, UiError> {
+    let mut client = Client::new("http://localhost:10000/graphql");
+    client.add_header("Authorization", &format!("Bearer {}", jwt_token));
+
+    let variables = rooms_for_user::Variables {
+        user_id: user_id.to_owned(),
+    };
+
+    let response = client.call(RoomsForUser, variables).await?;
+    let response: Response<rooms_for_user::ResponseData> = response;
+    Ok(response.data()?.user_rooms.rooms)
+}

web-ui/crate/src/api/mod.rs

@@ -0,0 +1,37 @@
+use graphql_client_web::Response;
+
+use crate::error::UiError;
+
+pub mod auth;
+pub mod dicebot;
+
+/// Extensions to the GraphQL web response type to add convenience,
+/// particularly when working with errors.
+trait ResponseExt<T> {
+    /// Get the data from the response, or gather all server-side
+    /// errors into a UiError variant.
+    fn data(self) -> Result<T, UiError>;
+}
+
+impl<T> ResponseExt<T> for Response<T> {
+    fn data(self) -> Result<T, UiError> {
+        let data = self.data;
+        let errors = self.errors;
+
+        let data = data.ok_or_else(|| {
+            UiError::ApiError(
+                errors
+                    .map(|errors| {
+                        errors
+                            .into_iter()
+                            .map(|e| e.to_string())
+                            .collect::<Vec<_>>()
+                            .join(",")
+                    })
+                    .unwrap_or("unknown error".into()),
+            )
+        })?;
+
+        Ok(data)
+    }
+}

web-ui/crate/src/components/error_message.rs

@@ -0,0 +1,62 @@
+use crate::api;
+use crate::error::UiError;
+use crate::state::{Action, WebUiDispatcher};
+use std::rc::Rc;
+use wasm_bindgen::{prelude::Closure, JsCast};
+use wasm_bindgen_futures::spawn_local;
+use web_sys::FocusEvent;
+use yew::prelude::*;
+use yewdux::dispatch::Dispatcher;
+use yewdux::prelude::*;
+use yewtil::NeqAssign;
+
+#[doc(hidden)]
+pub(crate) struct YewduxErrorMessage {
+    dispatch: WebUiDispatcher,
+    link: ComponentLink<YewduxErrorMessage>,
+}
+
+pub(crate) type ErrorMessage = WithDispatch<YewduxErrorMessage>;
+
+impl YewduxErrorMessage {
+    fn view_error(&self, error: &str) -> Html {
+        html! {
+            <div class="alert alert-danger" role="alert">
+                { error }
+            </div>
+        }
+    }
+}
+
+impl Component for YewduxErrorMessage {
+    type Message = ();
+    type Properties = WebUiDispatcher;
+
+    fn create(dispatch: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self { dispatch, link }
+    }
+
+    fn update(&mut self, action: Self::Message) -> ShouldRender {
+        false
+    }
+
+    fn change(&mut self, dispatch: Self::Properties) -> ShouldRender {
+        self.dispatch.neq_assign(dispatch)
+    }
+
+    fn rendered(&mut self, _first_render: bool) {}
+
+    fn view(&self) -> Html {
+        html! {
+            <div>
+            {
+                for self.dispatch.state().error_messages.iter().map(|error| {
+                    self.view_error(error)
+                })
+            }
+            </div>
+        }
+    }
+
+    fn destroy(&mut self) {}
+}

web-ui/crate/src/components/login.rs

@@ -0,0 +1,108 @@
+use crate::api;
+use crate::error::UiError;
+use crate::state::{Action, WebUiDispatcher};
+use std::rc::Rc;
+use wasm_bindgen_futures::spawn_local;
+use web_sys::FocusEvent;
+use yew::prelude::*;
+use yewdux::dispatch::Dispatcher;
+use yewdux::prelude::*;
+use yewtil::NeqAssign;
+
+#[doc(hidden)]
+pub(crate) struct YewduxLogin {
+    dispatch: Rc<WebUiDispatcher>,
+    link: ComponentLink<YewduxLogin>,
+    username: String,
+    password: String,
+}
+
+pub enum LoginAction {
+    UpdateUsername(String),
+    UpdatePassword(String),
+    Login,
+    Noop,
+}
+
+pub(crate) type Login = WithDispatch<YewduxLogin>;
+
+async fn do_login(
+    dispatch: &WebUiDispatcher,
+    username: &str,
+    password: &str,
+) -> Result<(), UiError> {
+    let jwt = api::auth::login(username, password).await?;
+    dispatch.send(Action::Login(jwt));
+    Ok(())
+}
+
+impl Component for YewduxLogin {
+    type Message = LoginAction;
+    type Properties = WebUiDispatcher;
+
+    fn create(dispatch: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self {
+            dispatch: Rc::new(dispatch),
+            link,
+            username: "".to_string(),
+            password: "".to_string(),
+        }
+    }
+
+    fn update(&mut self, action: Self::Message) -> ShouldRender {
+        match action {
+            LoginAction::UpdateUsername(username) => self.username = username,
+            LoginAction::UpdatePassword(password) => self.password = password,
+            LoginAction::Login => {
+                let dispatch = self.dispatch.clone();
+                let username = self.username.clone();
+                let password = self.password.clone();
+
+                spawn_local(async move {
+                    do_login(&*dispatch, &username, &password).await;
+                });
+            }
+            _ => (),
+        };
+
+        false
+    }
+
+    fn change(&mut self, dispatch: Self::Properties) -> ShouldRender {
+        self.dispatch.neq_assign(Rc::new(dispatch))
+    }
+
+    fn view(&self) -> Html {
+        let do_the_login = self.link.callback(move |e: FocusEvent| {
+            e.prevent_default();
+            LoginAction::Login
+        });
+
+        let update_username = self
+            .link
+            .callback(|e: InputData| LoginAction::UpdateUsername(e.value));
+
+        let update_password = self
+            .link
+            .callback(|e: InputData| LoginAction::UpdatePassword(e.value));
+
+        html! {
+            <div>
+                <form onsubmit=do_the_login>
+                <label for="username">{"Username:"}</label>
+                <input oninput=update_username id="username" name="username" type="text" placeholder="Username" />
+                <label for="password">{"Password:"}</label>
+                <input oninput=update_password id="password" name="password" type="password" placeholder="Password" />
+                <input type="submit" value="Log In" />
+                </form>
+                //<button onclick=refresh_jwt>{ "Refresh JWT" }</button>
+                <div>
+            { "Current JWT: " }
+            { self.dispatch.state().jwt_token.as_ref().unwrap_or(&"[not set]".to_string()) }
+            </div>
+                </div>
+        }
+    }
+
+    fn destroy(&mut self) {}
+}

web-ui/crate/src/components/mod.rs

@@ -0,0 +1,2 @@
+pub mod error_message;
+pub mod login;

web-ui/crate/src/error.rs

@@ -0,0 +1,34 @@
+use graphql_client_web::ClientError;
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum UiError {
+    #[error("api client error: {0}")]
+    ApiClientError(#[from] ClientError),
+
+    /// General API error, collecting errors from graphql server.
+    #[error("error: {0}")]
+    ApiError(String),
+
+    #[error("login token invalid or expired")]
+    NotLoggedIn,
+
+    #[error("error: {0}")]
+    JsError(String),
+
+    #[error("(de)serialization error: {0}")]
+    SerdeError(#[from] serde_json::Error),
+
+    #[error("JWT validation error: {0}")]
+    JwtError(#[from] jsonwebtoken::errors::Error),
+}
+
+impl From<wasm_bindgen::JsValue> for UiError {
+    fn from(js_error: wasm_bindgen::JsValue) -> UiError {
+        UiError::JsError(
+            js_error
+                .as_string()
+                .unwrap_or("unknown JS error".to_string()),
+        )
+    }
+}

web-ui/crate/src/grpc.rs

@@ -0,0 +1,15 @@
+// async fn test_grpc_web() {
+//     use grpc_web_client::Client as GrpcWebClient;
+//     use tenebrous_rpc::protos::web_api::web_api_client::WebApiClient as TheCloud;
+//     use tenebrous_rpc::protos::web_api::{RoomsListReply, UserIdRequest};
+
+//     let client = GrpcWebClient::new("http://localhost:10000".to_string());
+//     let mut client = TheCloud::new(client);
+
+//     let request = tonic::Request::new(UserIdRequest {
+//         user_id: "WebTonic".into(),
+//     });
+
+//     let response = client.list_room(request).await.unwrap().into_inner();
+//     println!("Room reply: {:?}", response);
+// }

web-ui/crate/src/lib.rs

@@ -0,0 +1,140 @@
+use crate::components::error_message::ErrorMessage;
+use crate::components::login::Login;
+use error::UiError;
+use rooms::RoomList;
+use rooms::YewduxRoomList;
+use state::{Action, AuthState, WebUiDispatcher};
+use wasm_bindgen::prelude::*;
+use wasm_bindgen_futures::spawn_local;
+use yew::prelude::*;
+use yew_router::prelude::*;
+use yew_router::{components::RouterAnchor, prelude::*, switch::Permissive};
+use yewdux::prelude::*;
+use yewtil::NeqAssign;
+
+pub mod api;
+pub mod components;
+pub mod error;
+pub mod grpc;
+pub mod logic;
+pub mod rooms;
+pub mod state;
+
+#[derive(Clone, Debug, Switch)]
+pub enum AppRoute {
+    #[to = "/rooms"]
+    Rooms,
+    #[to = "/rooms/{room_id}"]
+    Room { room_id: String },
+    #[to = "/"]
+    Index,
+}
+
+type AppRouter = Router<AppRoute>;
+type AppAnchor = RouterAnchor<AppRoute>; //For rendering clickable links.
+
+fn render_route(routes: AppRoute) -> Html {
+    match routes {
+        AppRoute::Rooms => {
+            html! {
+                <RoomList />
+            }
+        }
+        AppRoute::Room { room_id } => {
+            html! {
+                <div>{"This is the specific room page."}</div>
+            }
+        }
+        AppRoute::Index => {
+            html! {
+                <div>
+                    <ErrorMessage />
+                    <RoomList />
+                </div>
+            }
+        }
+    }
+}
+
+struct YewduxApp {
+    link: ComponentLink<YewduxApp>,
+    dispatch: WebUiDispatcher,
+}
+
+type App = WithDispatch<YewduxApp>;
+
+async fn refresh_jwt(dispatch: &WebUiDispatcher) {
+    match api::auth::refresh_jwt().await {
+        Ok(jwt) => {
+            dispatch.send(Action::Login(jwt));
+        }
+        Err(e) => {
+            web_sys::console::log_1(&e.to_string().into());
+            dispatch.send(Action::ChangeAuthState(AuthState::NotLoggedIn));
+        }
+    }
+}
+
+impl Component for YewduxApp {
+    type Message = ();
+    type Properties = WebUiDispatcher;
+
+    fn create(dispatch: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self { dispatch, link }
+    }
+
+    fn update(&mut self, _: Self::Message) -> ShouldRender {
+        false
+    }
+
+    fn change(&mut self, dispatch: Self::Properties) -> ShouldRender {
+        self.dispatch.neq_assign(dispatch)
+    }
+
+    fn rendered(&mut self, first_render: bool) {
+        if first_render {
+            let auth_state = self.dispatch.state().auth_state;
+
+            if auth_state == AuthState::RefreshNeeded {
+                let dispatch = self.dispatch.clone();
+                spawn_local(async move {
+                    refresh_jwt(&dispatch).await;
+                });
+            }
+        }
+    }
+
+    fn view(&self) -> Html {
+        let auth_state = self.dispatch.state().auth_state;
+
+        match auth_state {
+            AuthState::RefreshNeeded => {
+                html! {
+                    <div>{"Loading..."}</div>
+                }
+            }
+            AuthState::NotLoggedIn => {
+                html! {
+                    <Login />
+                }
+            }
+            AuthState::LoggedIn => {
+                html! {
+                    <div>
+                        <div class="alert alert-primary" role="alert">
+                            {"Hello World"}
+                        </div>
+                        <div>
+                            <AppRouter render=AppRouter::render(render_route) />
+                        </div>
+                    </div>
+                }
+            }
+        }
+    }
+}
+
+#[wasm_bindgen(start)]
+pub fn run_app() {
+    yew::start_app::<App>();
+}

web-ui/crate/src/logic.rs

@@ -0,0 +1,68 @@
+use crate::{
+    api,
+    state::{Action, Claims, Room, WebUiDispatcher},
+};
+use jsonwebtoken::dangerous_insecure_decode;
+
+pub(crate) type LogicResult = Result<Vec<Action>, Action>;
+
+pub(crate) trait LogicResultExt {
+    /// Consumes self into the vec of Actions to apply to state,
+    /// either the list of successful actions, or a list containing
+    /// the error action.
+    fn actions(self) -> Vec<Action>;
+}
+
+impl LogicResultExt for LogicResult {
+    fn actions(self) -> Vec<Action> {
+        self.unwrap_or_else(|err_action| vec![err_action])
+    }
+}
+
+fn map_to_vec(action: Option<Action>) -> Vec<Action> {
+    action.map(|a| vec![a]).unwrap_or_default()
+}
+
+async fn refresh_ensured_jwt() -> Result<(String, Option<Action>), Action> {
+    api::auth::refresh_jwt()
+        .await
+        .map(|new_jwt| (new_jwt.clone(), Some(Action::UpdateJwt(new_jwt))))
+        .map_err(|_| Action::Logout)
+}
+
+async fn ensure_jwt(dispatch: &WebUiDispatcher) -> Result<(String, Option<Action>), Action> {
+    //TODO lots of clones here. can we avoid?
+    use jsonwebtoken::errors::ErrorKind;
+    let token = dispatch.state().jwt_token.as_deref().unwrap_or_default();
+    let validation: Result<Claims, _> = dangerous_insecure_decode(token).map(|data| data.claims);
+
+    //If valid, simply return token. If expired, attempt to refresh.
+    //Otherwise, bubble error.
+    let token_and_action = match validation {
+        Ok(_) => (token.to_owned(), None),
+        Err(e) if matches!(e.kind(), ErrorKind::ExpiredSignature) => refresh_ensured_jwt().await?,
+        Err(_) => return Err(Action::Logout), //TODO carry error inside Logout?
+    };
+
+    Ok(token_and_action)
+}
+
+pub(crate) async fn fetch_rooms(dispatch: &WebUiDispatcher) -> LogicResult {
+    let (jwt, jwt_update) = ensure_jwt(dispatch)
+        .await
+        .map(|(token, update)| (token, map_to_vec(update)))?;
+
+    let rooms: Vec<Action> = api::dicebot::rooms_for_user(&jwt, &dispatch.state().username)
+        .await
+        .map_err(|e| Action::ErrorMessage(e))?
+        .into_iter()
+        .map(|room| {
+            Action::AddRoom(Room {
+                room_id: room.room_id,
+                display_name: room.display_name,
+            })
+        })
+        .collect();
+
+    Ok(rooms.into_iter().chain(jwt_update).collect())
+}

web-ui/crate/src/rooms.rs

@@ -0,0 +1,121 @@
+use crate::api;
+use crate::error::UiError;
+use crate::logic::{self, LogicResultExt};
+use crate::state::{Action, DispatchExt, Room, WebUiDispatcher};
+use std::sync::Arc;
+use wasm_bindgen_futures::spawn_local;
+use web_sys::console;
+use yew::prelude::*;
+use yewdux::dispatch::Dispatcher;
+use yewdux::prelude::*;
+use yewtil::NeqAssign;
+
+#[doc(hidden)]
+pub(crate) struct YewduxRoomList {
+    dispatch: WebUiDispatcher,
+    link: ComponentLink<YewduxRoomList>,
+}
+
+pub(crate) type RoomList = WithDispatch<YewduxRoomList>;
+
+fn view_room(room: &Room) -> Html {
+    html! {
+       <li>
+           {&room.display_name} {" ("}{&room.room_id}{")"}
+       </li>
+    }
+}
+
+async fn load_rooms(dispatch: &WebUiDispatcher) -> Result<(), UiError> {
+    let result = logic::fetch_rooms(dispatch).await;
+    let actions = result.actions();
+
+    for action in actions {
+        dispatch.send(action);
+    }
+
+    Ok(())
+}
+
+async fn do_refresh_jwt(dispatch: &WebUiDispatcher) {
+    let refresh = api::auth::refresh_jwt().await;
+
+    match refresh {
+        Ok(jwt) => dispatch.send(Action::UpdateJwt(jwt)),
+        Err(e) => dispatch.dispatch_error(e),
+    }
+}
+
+impl Component for YewduxRoomList {
+    type Message = ();
+    type Properties = WebUiDispatcher;
+
+    fn create(dispatch: Self::Properties, link: ComponentLink<Self>) -> Self {
+        Self { dispatch, link }
+    }
+
+    fn update(&mut self, _msg: Self::Message) -> ShouldRender {
+        false
+    }
+
+    fn change(&mut self, dispatch: Self::Properties) -> ShouldRender {
+        self.dispatch.neq_assign(dispatch)
+    }
+
+    fn rendered(&mut self, first_render: bool) {
+        if first_render {
+            let dispatch = Arc::new(self.dispatch.clone());
+
+            spawn_local(async move {
+                //TODO make macro to report errors in some common way:
+                //handle_errors!(do_things(&*dispatch).await)
+                match load_rooms(&*dispatch).await {
+                    Err(e) => console::log_1(&format!("Error: {:?}", e).into()),
+                    _ => (),
+                }
+            });
+        }
+    }
+
+    fn view(&self) -> Html {
+        let dispatch = Arc::new(self.dispatch.clone());
+        let dispatch2 = dispatch.clone();
+        let dispatch3 = dispatch.clone();
+
+        let the_future = self.link.callback(move |_| {
+            let dispatch = dispatch.clone();
+
+            spawn_local(async move {
+                //TODO make macro to report errors in some common way:
+                //handle_errors!(do_things(&*dispatch).await)
+                match load_rooms(&*dispatch).await {
+                    Err(e) => console::log_1(&format!("Error: {:?}", e).into()),
+                    _ => (),
+                }
+            });
+        });
+
+        let refresh_jwt = self.link.callback(move |_| {
+            let dispatch = dispatch3.clone();
+            spawn_local(async move { do_refresh_jwt(&*dispatch).await });
+        });
+
+        html! {
+            <div>
+                <button onclick=the_future>{ "Fetch Rooms" }</button>
+                <button onclick=refresh_jwt>{ "Refresh JWT" }</button>
+             <ul>
+                {
+                    for self.dispatch.state().rooms.iter().map(|room| {
+                        view_room(room)
+                    })
+                }
+            </ul>
+                </div>
+        }
+    }
+}
+
+//New oath form
+
+//Edit oath

web-ui/crate/src/state.rs

@@ -0,0 +1,123 @@
+use crate::error::UiError;
+use jsonwebtoken::dangerous_insecure_decode;
+use serde::{Deserialize, Serialize};
+use wasm_bindgen::{prelude::Closure, JsCast};
+use yewdux::prelude::*;
+
+#[derive(Debug, Serialize, Deserialize)]
+pub(crate) struct Claims {
+    exp: usize,
+    sub: String,
+}
+
+#[derive(Clone)]
+pub(crate) struct Room {
+    pub room_id: String,
+    pub display_name: String,
+}
+
+#[derive(Clone, Copy, Eq, PartialEq)]
+pub(crate) enum AuthState {
+    NotLoggedIn,
+    LoggedIn,
+    RefreshNeeded,
+}
+
+impl Default for AuthState {
+    fn default() -> Self {
+        AuthState::RefreshNeeded
+    }
+}
+
+#[derive(Default, Clone)]
+pub(crate) struct WebUiState {
+    pub auth_state: AuthState,
+    pub jwt_token: Option<String>,
+    pub rooms: Vec<Room>,
+    pub error_messages: Vec<String>,
+    pub username: String,
+}
+
+pub(crate) enum Action {
+    UpdateJwt(String),
+    AddRoom(Room),
+    ErrorMessage(UiError),
+    ClearErrorMessage,
+    ChangeAuthState(AuthState),
+    Login(String),
+    Logout,
+}
+
+impl WebUiState {
+    fn login(&mut self, jwt_token: String) {
+        //TODO this will not work because we cannot ignore the key to decode the JWT.
+        let jwt_decoding: Result<Claims, _> =
+            dangerous_insecure_decode(&jwt_token).map(|data| data.claims);
+
+        match jwt_decoding {
+            Ok(claims) => {
+                self.jwt_token = Some(jwt_token);
+                self.auth_state = AuthState::LoggedIn;
+                self.username = claims.sub;
+            }
+            Err(e) => self.error_messages.push(e.to_string()),
+        }
+    }
+}
+impl Reducer for WebUiState {
+    type Action = Action;
+
+    fn new() -> Self {
+        Self::default()
+    }
+
+    fn reduce(&mut self, action: Self::Action) -> bool {
+        match action {
+            Action::UpdateJwt(jwt_token) => self.jwt_token = Some(jwt_token),
+            Action::Login(jwt_token) => self.login(jwt_token),
+            Action::Logout => (),
+            Action::AddRoom(room) => self.rooms.push(room.clone()),
+            Action::ChangeAuthState(auth_state) => self.auth_state = auth_state,
+            Action::ErrorMessage(error) => self.error_messages.push(error.to_string()),
+            Action::ClearErrorMessage => {
+                if self.error_messages.len() > 0 {
+                    self.error_messages.remove(0);
+                }
+            }
+        };
+
+        true
+    }
+}
+
+pub(crate) type WebUiDispatcher = DispatchProps<ReducerStore<WebUiState>>;
+
+pub(crate) trait DispatchExt {
+    /// Dispatch an error message and then clear it from the state
+    /// after a few seconds.
+    fn dispatch_error(&self, error: UiError);
+}
+
+impl DispatchExt for WebUiDispatcher {
+    fn dispatch_error(&self, error: UiError) {
+        self.send(Action::ErrorMessage(error));
+
+        // This is a very hacky way to do this. At the very least, we
+        // should not leak memory, and preferably there's a cleaner
+        // way to actually dispatch the clear action.
+        let window = web_sys::window().unwrap();
+        let dispatch = self.clone();
+        let clear_it = Closure::wrap(
+            Box::new(move || dispatch.send(Action::ClearErrorMessage)) as Box<dyn Fn()>
+        );
+
+        window
+            .set_timeout_with_callback_and_timeout_and_arguments_0(
+                clear_it.as_ref().unchecked_ref(),
+                4000,
+            )
+            .expect("could not add clear error handler.");
+
+        clear_it.forget();
+    }
+}

web-ui/index.js

@@ -0,0 +1,6 @@
+//The wasm application is compiled as javascript into the /pkg
+//directory. Webpack then replaces this import with what is actually
+//needed. To import the web assembly, the import FUNCTION must be
+//used. The import STATEMENT does not work.
+import './webui.scss';
+import('./pkg');

web-ui/package.json

@@ -0,0 +1,24 @@
+{
+  "devDependencies": {
+    "@wasm-tool/wasm-pack-plugin": "^1.4.0",
+    "clean-webpack-plugin": "^4.0.0-alpha.0",
+    "css-loader": "^5.2.6",
+    "html-webpack-plugin": "^5.3.1",
+    "postcss": "^8.3.0",
+    "postcss-loader": "^5.3.0",
+    "sass": "^1.34.1",
+    "sass-loader": "^12.0.0",
+    "style-loader": "^2.0.0",
+    "webpack": "^5.37.0",
+    "webpack-cli": "^4.7.0"
+  },
+  "name": "runic",
+  "version": "1.0.0",
+  "description": "Stuff",
+  "main": "index.js",
+  "author": "projectmoon <projectmoon@agnos.is>",
+  "license": "MIT",
+  "dependencies": {
+    "bootstrap": "^5.0.1"
+  }
+}

web-ui/webpack.config.js

@@ -0,0 +1,62 @@
+const path = require("path");
+const { CleanWebpackPlugin } = require('clean-webpack-plugin');
+const WasmPackPlugin = require("@wasm-tool/wasm-pack-plugin");
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+
+console.log('path:', path.resolve(__dirname, 'crate'));
+module.exports = {
+    experiments: {
+        asyncWebAssembly: true
+    },
+    entry: './index.js',
+    mode: "development",
+    output: {
+        path: path.resolve(__dirname, './dist'),
+        filename: 'index_bundle.js',
+    },
+
+    plugins: [
+        new CleanWebpackPlugin(),
+        new HtmlWebpackPlugin({
+            title: 'Tenebrous'
+        }),
+        new WasmPackPlugin({
+            crateDirectory: path.resolve(__dirname, "crate"),
+            outDir: path.resolve(__dirname, "pkg"),
+            args: "--log-level warn",
+            extraArgs: "--no-typescript",
+        })
+    ],
+    module: {
+        rules: [
+            {
+                test: /\.(scss)$/,
+                use: [{
+                    // inject CSS to page
+                    loader: 'style-loader'
+                }, {
+                    // translates CSS into CommonJS modules
+                    loader: 'css-loader'
+                }, {
+                    // Run postcss actions
+                    loader: 'postcss-loader',
+                    options: {
+                        // `postcssOptions` is needed for postcss 8.x;
+                        // if you use postcss 7.x skip the key
+                        postcssOptions: {
+                            // postcss plugins, can be exported to postcss.config.js
+                            plugins: function () {
+                                return [
+                                    require('autoprefixer')
+                                ];
+                            }
+                        }
+                    }
+                }, {
+                    // compiles Sass to CSS
+                    loader: 'sass-loader'
+                }]
+            }
+        ]
+    }
+};

web-ui/webui.scss

@@ -0,0 +1,2 @@
+@import "custom";
+@import "~bootstrap/scss/bootstrap";