feat(account settings): Add signout functionality (#16)

* Create account.vue with logout button

* Update auth.rs to add signout command

* Update lib.rs to pass sign_out command to frontend

src-tauri/src/auth.rs

@@ -232,3 +232,29 @@ pub fn setup() -> Result<(AppStatus, Option<User>), ()> {
 
     Ok((AppStatus::SignedOut, None))
 }
+
+#[tauri::command]
+pub fn sign_out(app: AppHandle) -> Result<(), String> {
+    info!("Signing out user");
+    
+    // Clear auth from database
+    {
+        let mut handle = DB.borrow_data_mut().unwrap();
+        handle.auth = None;
+        drop(handle);
+        DB.save().unwrap();
+    }
+
+    // Update app state
+    {
+        let app_state = app.state::<Mutex<AppState>>();
+        let mut app_state_handle = app_state.lock().unwrap();
+        app_state_handle.status = AppStatus::SignedOut;
+        app_state_handle.user = None;
+    }
+
+    // Emit event for frontend
+    app.emit("auth/signedout", ()).unwrap();
+
+    Ok(())
+}

src-tauri/src/lib.rs

@@ -12,7 +12,7 @@ mod tests;
 mod autostart;
 
 use crate::db::DatabaseImpls;
-use auth::{auth_initiate, generate_authorization_header, manual_recieve_handshake, recieve_handshake, retry_connect};
+use auth::{auth_initiate, generate_authorization_header, manual_recieve_handshake, recieve_handshake, retry_connect, sign_out};
 use cleanup::{cleanup_and_exit, quit};
 use db::{
     add_download_dir, delete_download_dir, fetch_download_dir_stats, DatabaseInterface, GameStatus,
@@ -221,6 +221,7 @@ pub fn run() {
             auth_initiate,
             retry_connect,
             manual_recieve_handshake,
+            sign_out,
             // Remote
             use_remote,
             gen_drop_url,