feat!: add telegram auth and async refactor

- Removed "/schedule/update-download-url" endpoint, this mechanism was replaced by Yandex Cloud FaaS. Ура :)
- Improved schedule caching mechanism.
- Added Telegram WebApp authentication support.
- Reworked endpoints responses and errors mechanism.
- Refactored application state management.
- Make synchronous database operations, middlewares and extractors to asynchronous.
- Made user password field optional to support multiple auth methods.
- Renamed users table column "version" to "android_version" and made it nullable.

src/test_env.rs

@@ -1,47 +1,25 @@
 #[cfg(test)]
 pub(crate) mod tests {
-    use crate::app_state::{AppState, Schedule, app_state};
-    use schedule_parser::test_utils::test_result;
-    use crate::utility::mutex::MutexScope;
+    use crate::state::{AppState, ScheduleSnapshot, new_app_state};
     use actix_web::web;
+    use log::info;
+    use schedule_parser::test_utils::test_result;
     use std::default::Default;
     use tokio::sync::OnceCell;
 
     pub fn test_env() {
+        info!("Loading test environment file...");
         dotenvy::from_path(".env.test").expect("Failed to load test environment file");
     }
 
-    pub enum TestScheduleType {
-        None,
-        Local,
-    }
+    pub async fn test_app_state() -> web::Data<AppState> {
+        let state = new_app_state().await.unwrap();
 
-    pub struct TestAppStateParams {
-        pub schedule: TestScheduleType,
-    }
-
-    impl Default for TestAppStateParams {
-        fn default() -> Self {
-            Self {
-                schedule: TestScheduleType::None,
-            }
-        }
-    }
-
-    pub async fn test_app_state(params: TestAppStateParams) -> web::Data<AppState> {
-        let state = app_state().await;
-
-        state.schedule.scope(|schedule| {
-            *schedule = match params.schedule {
-                TestScheduleType::None => None,
-                TestScheduleType::Local => Some(Schedule {
-                    etag: "".to_string(),
-                    fetched_at: Default::default(),
-                    updated_at: Default::default(),
-                    parsed_at: Default::default(),
-                    data: test_result().unwrap(),
-                }),
-            }
+        state.get_schedule().await.snapshot.write(ScheduleSnapshot {
+            fetched_at: Default::default(),
+            updated_at: Default::default(),
+            url: "".to_string(),
+            data: test_result().unwrap(),
         });
 
         state.clone()
@@ -50,9 +28,6 @@ pub(crate) mod tests {
     pub async fn static_app_state() -> web::Data<AppState> {
         static STATE: OnceCell<web::Data<AppState>> = OnceCell::const_new();
 
-        STATE
-            .get_or_init(|| test_app_state(Default::default()))
-            .await
-            .clone()
+        STATE.get_or_init(|| test_app_state()).await.clone()
     }
 }