RPC-ify update attribute API.

proto/cofd_api.proto

@@ -31,9 +31,12 @@ message Attributes {
   int32 composure = 9;
 }
 
-message Attribute {
-  string name = 1;
-  int32 value = 2;
+//Update an attribute's dot amount. TODO rename to AttributesUpdate.
+message UpdateAttributeRequest {
+  string character_username = 1;
+  int32 character_id = 2;
+  string attribute_name = 3;
+  int32 attribute_value = 4;
 }
 
 //Update skill entries in a Chronicles of Darkness character sheet.
@@ -44,12 +47,33 @@ message Skills {
   repeated CofdSheet.Skill social_skills = 3;
 }
 
+//Full update of a single skill
 message SkillUpdate {
   string name = 1;
   CofdSheet.Skill skill = 2;
 }
 
+
+//Partial update of a single skill dot amount.
+message UpdateSkillValueRequest {
+  string character_username = 1;
+  int32 character_id = 2;
+  string skill_name = 3;
+  int32 skill_value = 4;
+}
+
+//Partial update of only a skill's specializations. The
+//specializations will be overwritten with the new values.
+message SkillSpecializationsUpdate {
+  string name = 1;
+  repeated string specializations = 2;
+}
+
 //Add a Condition to a Chronicles of Darkness character sheet.
 message Condition {
   string name = 1;
+}
+
+service CofdApi {
+  rpc UpdateSkillValue(UpdateSkillValueRequest) returns (CofdSheet.Skill);
 }

src/models/proto.rs

@@ -6,6 +6,15 @@ use std::ops::Deref;
 
 pub mod cofd;
 
+const CRATE_NAME: &'static str = env!("CARGO_BIN_NAME");
+
+/// Convert an incoming protobuf content-type to the equivalent type
+/// name produced by std::any::type_name(). Currently does NOT work
+/// with nested types due to how prost generates the module names.
+fn convert_to_rust_name(proto_type: &str) -> String {
+    format!("{}::{}", CRATE_NAME, proto_type.replace(".", "::"))
+}
+
 /// A struct wrapping a protobuf that allows it to be used as binary
 /// data submitted via POST using fetch API. Can automatically be
 /// dereferenced into its wrapped type.
@@ -23,8 +32,28 @@ where
 {
     type Error = crate::errors::Error;
 
-    async fn from_data(_req: &Request<'_>, data: Data) -> Outcome<Self, Error> {
+    async fn from_data(req: &Request<'_>, data: Data) -> Outcome<Self, Error> {
         use rocket::http::Status;
+        let content_type = req.content_type();
+
+        let is_protobuf = content_type
+            .map(|ct| ct.top() == "application" && ct.sub() == "x-protobuf")
+            .unwrap_or(false);
+
+        let message_type: Option<String> = content_type.and_then(|ct| {
+            ct.params()
+                .find(|&(name, _)| name == "messageType")
+                .map(|(_, message_type)| convert_to_rust_name(message_type))
+        });
+
+        if !is_protobuf {
+            return Outcome::Failure((Status::new(422, "invalid protobuf"), Error::InvalidInput));
+        }
+
+        if message_type.as_ref().map(String::as_str) != Some(std::any::type_name::<T>()) {
+            println!("message type is {:?}", message_type);
+            return Outcome::Forward(data);
+        }
 
         let bytes: Vec<u8> = match data.open(2.mebibytes()).stream_to_vec().await {
             Ok(read_bytes) => read_bytes,

src/routes/api.rs

@@ -14,6 +14,7 @@ pub(crate) fn routes() -> Vec<rocket::Route> {
         cofd::update_attributes,
         cofd::update_attribute,
         cofd::update_skills,
+        cofd::update_skill_value,
         cofd::add_condition,
         cofd::remove_condition
     ]
@@ -26,7 +27,7 @@ pub(crate) fn routes() -> Vec<rocket::Route> {
 async fn load_character(
     conn: &TenebrousDbConn<'_>,
     logged_in_user: Option<&User>,
-    owner: String,
+    owner: &str,
     character_id: i32,
 ) -> Result<Character, Error> {
     let logged_in_user = logged_in_user.ok_or(Error::NotLoggedIn)?;
@@ -36,7 +37,7 @@ async fn load_character(
         .await?
         .ok_or(Error::NotFound)?;
 
-    if logged_in_user.username != owner {
+    if &logged_in_user.username != owner {
         return Err(Error::NoPermission);
     }
 
@@ -49,6 +50,35 @@ mod cofd {
     use crate::models::proto::cofd::cofd_sheet::Skill;
     use crate::models::proto::{cofd::api::*, cofd::*, Proto};
 
+    fn find_skill_entry<'a>(
+        sheet: &'a mut CofdSheet,
+        skill_name: &'a str,
+    ) -> Option<OccupiedEntry<'a, String, Skill>> {
+        let all_skills = vec![
+            &mut sheet.mental_skills,
+            &mut sheet.physical_skills,
+            &mut sheet.social_skills,
+        ];
+
+        // Search all skill lists for this value using "workaround" to
+        // break value from for loops.
+        let skill: Option<OccupiedEntry<_, _>> = 'l: loop {
+            for skill_map in all_skills {
+                if let Entry::Occupied(entry) = skill_map.entry(skill_name.to_owned()) {
+                    break 'l Some(entry);
+                }
+            }
+
+            break None;
+        };
+
+        skill
+    }
+
+    fn find_skill<'a>(sheet: &'a mut CofdSheet, skill_name: &'a str) -> Option<&'a mut Skill> {
+        find_skill_entry(sheet, skill_name).map(|entry| entry.into_mut())
+    }
+
     #[post("/cofd/<owner>/<character_id>/basic-info", data = "<info>")]
     pub(super) fn update_basic_info<'a>(
         owner: String,
@@ -67,41 +97,45 @@ mod cofd {
         "lol"
     }
 
-    #[patch("/cofd/<owner>/<character_id>/attributes", data = "<attr_update>")]
+    #[post("/rpc/cofd/update_attribute", data = "<req>")]
     pub(super) async fn update_attribute<'a>(
-        owner: String,
-        character_id: i32,
-        attr_update: Proto<Attribute>,
+        req: Proto<UpdateAttributeRequest>,
         conn: TenebrousDbConn<'_>,
         logged_in_user: Option<&User>,
     ) -> Result<&'a str, Error> {
-        let mut character = load_character(&conn, logged_in_user, owner, character_id).await?;
-        let mut sheet: CofdSheet = character.try_deserialize()?;
+        let mut character = load_character(
+            &conn,
+            logged_in_user,
+            &req.character_username,
+            req.character_id,
+        )
+        .await?;
 
-        match attr_update.name.to_lowercase().as_ref() {
-            "strength" => Ok(sheet.strength = attr_update.value),
-            "dexterity" => Ok(sheet.dexterity = attr_update.value),
-            "stamina" => Ok(sheet.stamina = attr_update.value),
-            "intelligence" => Ok(sheet.intelligence = attr_update.value),
-            "wits" => Ok(sheet.wits = attr_update.value),
-            "resolve" => Ok(sheet.resolve = attr_update.value),
-            "presence" => Ok(sheet.presence = attr_update.value),
-            "manipulation" => Ok(sheet.manipulation = attr_update.value),
-            "composure" => Ok(sheet.composure = attr_update.value),
+        let mut sheet: CofdSheet = character.try_deserialize()?;
+        let value = req.attribute_value;
+        match req.attribute_name.to_lowercase().as_ref() {
+            "strength" => Ok(sheet.strength = value),
+            "dexterity" => Ok(sheet.dexterity = value),
+            "stamina" => Ok(sheet.stamina = value),
+            "intelligence" => Ok(sheet.intelligence = value),
+            "wits" => Ok(sheet.wits = value),
+            "resolve" => Ok(sheet.resolve = value),
+            "presence" => Ok(sheet.presence = value),
+            "manipulation" => Ok(sheet.manipulation = value),
+            "composure" => Ok(sheet.composure = value),
             _ => Err(Error::InvalidInput),
         }?;
 
-        println!(
-            "updated {} attribute {} to {}",
-            character.character_name, attr_update.name, attr_update.value
-        );
-
         character.update_data(sheet)?;
         conn.update_character_sheet(&character).await?;
         Ok("lol")
     }
 
-    #[patch("/cofd/<owner>/<character_id>/skills", data = "<skill_update>")]
+    #[patch(
+        "/cofd/<owner>/<character_id>/skills",
+        data = "<skill_update>",
+        rank = 1
+    )]
     pub(super) async fn update_skills<'a>(
         owner: String,
         character_id: i32,
@@ -109,30 +143,13 @@ mod cofd {
         conn: TenebrousDbConn<'_>,
         logged_in_user: Option<&User>,
     ) -> Result<&'a str, Error> {
-        let mut character = load_character(&conn, logged_in_user, owner, character_id).await?;
+        let mut character = load_character(&conn, logged_in_user, &owner, character_id).await?;
         let mut sheet: CofdSheet = character.try_deserialize()?;
-        let skill: &Skill = skill_update.skill.as_ref().ok_or(Error::InvalidInput)?;
-
-        let all_skills = vec![
-            &mut sheet.mental_skills,
-            &mut sheet.physical_skills,
-            &mut sheet.social_skills,
-        ];
-
-        // Search all skill lists for this value using "workaround" to
-        // break value from for loops.
-        let skill_entry: Option<OccupiedEntry<_, _>> = 'l: loop {
-            for skill_map in all_skills {
-                if let Entry::Occupied(entry) = skill_map.entry(skill_update.name.clone()) {
-                    break 'l Some(entry);
-                }
-            }
-
-            break None;
-        };
+        let updated_skill: &Skill = skill_update.skill.as_ref().ok_or(Error::InvalidInput)?;
+        let skill_entry = find_skill_entry(&mut sheet, &skill_update.name);
 
         skill_entry
-            .map(|mut entry| entry.insert(skill.clone()))
+            .map(|mut entry| entry.insert(updated_skill.clone()))
             .ok_or(Error::InvalidInput)?;
 
         println!(
@@ -145,6 +162,35 @@ mod cofd {
         Ok("lol")
     }
 
+    #[post("/rpc/cofd/update_skill_value", data = "<request>")]
+    pub(super) async fn update_skill_value<'a>(
+        request: Proto<UpdateSkillValueRequest>,
+        conn: TenebrousDbConn<'_>,
+        logged_in_user: Option<&User>,
+    ) -> Result<&'a str, Error> {
+        println!("{:#?}", request);
+        let mut character = load_character(
+            &conn,
+            logged_in_user,
+            &request.character_username,
+            request.character_id,
+        )
+        .await?;
+
+        let mut sheet: CofdSheet = character.try_deserialize()?;
+        let skill: Option<&mut Skill> = find_skill(&mut sheet, &request.skill_name);
+
+        skill
+            .map(|s| s.dots = request.skill_value)
+            .ok_or(Error::InvalidInput)?;
+
+        println!("updated skill value",);
+
+        character.update_data(sheet)?;
+        conn.update_character_sheet(&character).await?;
+        Ok("lol")
+    }
+
     #[put("/cofd/<owner>/<character_id>/conditions", data = "<info>")]
     pub(super) fn add_condition<'a>(
         owner: String,

static/scripts/api.js

@@ -1,22 +1,65 @@
 function makeAPI(root) {
-    const Attribute = root.lookupType("models.proto.cofd.api.Attribute");
+    //Protobuf types
+    const UpdateAttributeRequestType = 'models.proto.cofd.api.UpdateAttributeRequest';
+    const UpdateAttributeRequest = root.lookupType(UpdateAttributeRequestType);
+
+    const UpdateSkillValueRequestType = 'models.proto.cofd.api.UpdateSkillValueRequest';
+    const UpdateSkillValueRequest = root.lookupType(UpdateSkillValueRequestType);
+
+    //TODO rpc-ify
+    const SkillSpecializationUpdateType = 'models.proto.cofd.api.SkillSpecializationsUpdate';
+    const SkillSpecializationsUpdate = root.lookupType(SkillSpecializationUpdateType);
+
+    const protobufContentType = (messageType) =>
+          ({ 'Content-Type': 'application/x-protobuf; messageType="' + messageType + '"' });
 
     const attributesResource = (username, characterID) =>
           '/api/cofd/' + username + '/' + characterID + '/attributes';
 
+    const skillResource = (username, characterID, skillName) =>
+          '/api/cofd/' + username + '/' + characterID + '/skills';
+
+    function verifyAndCreate(protobufType, payload) {
+        let err = protobufType.verify(payload);
+        if (err) throw err;
+        return protobufType.create(payload);
+    }
+
     async function updateAttribute(params) {
         const { username, characterID, attribute, newValue } = params;
 
-        let req = Attribute.create({
-            name: attribute,
-            value: parseInt(newValue)
+        let req = verifyAndCreate(UpdateAttributeRequest, {
+            characterUsername: username,
+            characterId: parseInt(characterID),
+            attributeName: attribute,
+            attributeValue: parseInt(newValue)
         });
 
-        const resource = attributesResource(username, characterID);
+        let resp = await fetch('/api/rpc/cofd/update_attribute', {
+            method: 'POST',
+            headers: { ... protobufContentType(UpdateAttributeRequestType) },
+            body: UpdateAttributeRequest.encode(req).finish()
+        }).then(async resp => {
+            console.log("resp is", await resp.text());
+        }).catch(async err => {
+            console.log("err is", err.text());
+        });
+    }
 
-        let resp = await fetch(resource, {
-            method: 'PATCH',
-            body: Attribute.encode(req).finish()
+    async function updateSkillValue(params) {
+        const { username, characterID, skillName, newValue } = params;
+
+        let req = verifyAndCreate(UpdateSkillValueRequest, {
+            characterUsername: username,
+            characterId: parseInt(characterID),
+            skillName: skillName,
+            skillValue: parseInt(newValue)
+        });
+
+        let resp = await fetch('/api/rpc/cofd/update_skill_value', {
+            method: 'POST',
+            headers: { ... protobufContentType(UpdateSkillValueRequestType) },
+            body: UpdateSkillValueRequest.encode(req).finish()
         }).then(async resp => {
             console.log("resp is", await resp.text());
         }).catch(async err => {
@@ -25,6 +68,7 @@ function makeAPI(root) {
     }
 
     return {
-        updateAttribute
+        updateAttribute,
+        updateSkillValue
     };
 }

static/scripts/characters/edit.js

@@ -12,18 +12,37 @@
     function setupAttributes() {
         const attributeInputs = document.querySelectorAll('#attributes input[type="number"]');
 
+        async function attributeHandler(event) {
+            console.log("updating attr");
+            const attribute = event.target.id;
+            const newValue = parseInt(event.target.value);
+            const params = { username: USERNAME, characterID: CHARACTER_ID, attribute, newValue };
+            await api.updateAttribute(params);
+        }
+
         Array.from(attributeInputs).forEach(input => {
-            input.addEventListener('change', async function(event) {
-                console.log("updating attr");
-                const attribute = event.target.id;
-                const newValue = parseInt(event.target.value);
-                const params = { username: USERNAME, characterID: CHARACTER_ID, attribute, newValue };
-                await api.updateAttribute(params);
-            });
+            input.addEventListener('change', attributeHandler);
+        });
+    }
+
+    function setupSkills() {
+        const attributeInputs = document.querySelectorAll('#skills input[type="number"]');
+
+        async function skillValueHandler(event) {
+            console.log("updating skill value");
+            const skillName = event.target.id;
+            const newValue = parseInt(event.target.value);
+            const params = { username: USERNAME, characterID: CHARACTER_ID, skillName, newValue };
+            await api.updateSkillValue(params);
+        }
+
+        Array.from(attributeInputs).forEach(input => {
+            input.addEventListener('change', skillValueHandler);
         });
     }
 
     setupAttributes();
+    setupSkills();
 })().catch(e => {
     alert(e);
 });