split frontend and backend to initialize tauri frontend

src/db.rs

@@ -0,0 +1,25 @@
+use axum::http::StatusCode;
+use sqlx::PgPool;
+use uuid::Uuid;
+
+pub async fn init_db() -> Result<PgPool, sqlx::Error> {
+    let database_url = "postgres://chatapp:secret@localhost:5432/chatapp";
+    PgPool::connect(database_url).await
+}
+
+pub async fn user_id_from_uuid(db: &PgPool, user_uuid: Uuid) -> Result<i32, (StatusCode, String)> {
+    sqlx::query_scalar("SELECT id FROM user_ WHERE uuid = $1")
+        .bind(user_uuid)
+        .fetch_one(db)
+        .await
+        .map_err(|_| (StatusCode::UNAUTHORIZED, String::from("Wrong token")))
+}
+
+pub async fn room_id_from_uuid(db: &PgPool, room_uuid: Uuid) -> Result<i32, (StatusCode, String)> {
+    sqlx::query_scalar("SELECT id FROM room_ WHERE uuid = $1")
+        .bind(room_uuid)
+        .fetch_one(db)
+        .await
+        // FIX: hmm probably the wrong error here
+        .map_err(|_| (StatusCode::UNAUTHORIZED, String::from("Wrong token")))
+}