Moved more code from hotel_service to lib

src/diesel/get_connection.rs

@@ -0,0 +1,29 @@
+use axum::async_trait;
+use deadpool_diesel::Status;
+use derive_more::From;
+use diesel_async::pooled_connection::deadpool::{Object, PoolError};
+use diesel_async::AsyncPgConnection;
+use lib::diesel::pool::PgPool;
+
+#[async_trait]
+pub trait GetConnection: Clone + Send + Sync {
+    async fn get(&self) -> Result<Object<AsyncPgConnection>, GetConnectionError>;
+    fn status(&self) -> Status;
+}
+
+#[async_trait]
+impl GetConnection for PgPool {
+    async fn get(&self) -> Result<Object<AsyncPgConnection>, GetConnectionError> {
+        self.get().await.map_err(Into::into)
+    }
+    #[inline]
+    fn status(&self) -> Status {
+        self.status()
+    }
+}
+
+#[derive(Debug, From)]
+pub enum GetConnectionError {
+    PoolError(PoolError),
+    DieselError(diesel::result::Error),
+}