Refactor AppState and update database connection handling; integrate SettingsService

apps/api/src/routes.rs

@@ -3,20 +3,22 @@ use std::sync::Arc;
 use axum::{Extension, Router};
 use migration::sea_orm::DatabaseConnection;
 
-use crate::middlewares;
+use crate::{middlewares, services::settings::SettingsStore};
 
 #[derive(Clone)]
 pub struct AppState {
     // TODO: remove dead_code allowances when fields are used
     #[allow(dead_code)]
-    pub database_connection: DatabaseConnection,
+    pub database_connection: Arc<DatabaseConnection>,
     // TODO: remove dead_code allowances when fields are used
     #[allow(dead_code)]
     pub service: Arc<AppService>,
 }
 
+pub type ServiceState<T: ?Sized + Send + Sync> = Arc<T>;
+
 pub struct AppService {
-    //
+    pub settings: ServiceState<dyn SettingsStore>,
 }
 
 pub fn get_root_router(state: impl Into<Arc<AppState>>) -> Router {