Add check password command.

src/commands/management.rs

@@ -1,7 +1,7 @@
 use super::{Command, Execution, ExecutionResult};
 use crate::context::Context;
 use crate::db::Users;
-use crate::error::BotError::PasswordCreationError;
+use crate::error::BotError::{AuthenticationError, PasswordCreationError};
 use crate::logic::{hash_password, record_room_information};
 use crate::models::User;
 use async_trait::async_trait;
@@ -60,3 +60,25 @@ impl Command for RegisterCommand {
         Execution::success("User account registered/updated".to_string())
     }
 }
+
+pub struct CheckCommand(pub String);
+
+#[async_trait]
+impl Command for CheckCommand {
+    fn name(&self) -> &'static str {
+        "check user password"
+    }
+
+    fn is_secure(&self) -> bool {
+        true
+    }
+
+    async fn execute(&self, ctx: &Context<'_>) -> ExecutionResult {
+        let user = ctx.db.authenticate_user(&ctx.username, &self.0).await?;
+
+        match user {
+            Some(_) => Execution::success("Password is correct!".to_string()),
+            None => Err(AuthenticationError.into()),
+        }
+    }
+}

src/commands/parser.rs

@@ -9,7 +9,7 @@ use crate::commands::{
     basic_rolling::RollCommand,
     cofd::PoolRollCommand,
     cthulhu::{CthAdvanceRoll, CthRoll},
-    management::{RegisterCommand, ResyncCommand},
+    management::{CheckCommand, RegisterCommand, ResyncCommand},
     misc::HelpCommand,
     variables::{
         DeleteVariableCommand, GetAllVariablesCommand, GetVariableCommand, SetVariableCommand,
@@ -51,6 +51,10 @@ fn parse_register_command(input: &str) -> Result<Box<dyn Command>, BotError> {
     Ok(Box::new(RegisterCommand(input.to_owned())))
 }
 
+fn parse_check_command(input: &str) -> Result<Box<dyn Command>, BotError> {
+    Ok(Box::new(CheckCommand(input.to_owned())))
+}
+
 fn parse_get_variable_command(input: &str) -> Result<Box<dyn Command>, BotError> {
     Ok(Box::new(GetVariableCommand(input.to_owned())))
 }
@@ -146,6 +150,7 @@ pub fn parse_command(input: &str) -> Result<Box<dyn Command>, BotError> {
             "chance" => chance_die(),
             "help" => help(&cmd_input),
             "register" => parse_register_command(&cmd_input),
+            "check" => parse_check_command(&cmd_input),
             _ => Err(CommandParsingError::UnrecognizedCommand(cmd).into()),
         },
         //All other errors passed up.

src/error.rs

@@ -81,6 +81,9 @@ pub enum BotError {
 
     #[error("password creation error: {0}")]
     PasswordCreationError(argon2::Error),
+
+    #[error("account does not exist, or password incorrect")]
+    AuthenticationError,
 }
 
 #[derive(Error, Debug)]