refactor: move DB to shared crate, convert push endpoints to server functions, remove dead REST handlers

shared/src/db.rs

@@ -0,0 +1,148 @@
+use sqlx::{sqlite::SqlitePoolOptions, Pool, Sqlite, Row, sqlite::SqliteConnectOptions};
+use std::time::Duration;
+use anyhow::Result;
+use std::str::FromStr;
+
+#[derive(Clone)]
+pub struct Db {
+    pool: Pool<Sqlite>,
+}
+
+impl Db {
+    pub async fn new(db_url: &str) -> Result<Self> {
+        let options = SqliteConnectOptions::from_str(db_url)?
+            .create_if_missing(true)
+            .busy_timeout(Duration::from_secs(10)) // Bekleme süresini 10 saniyeye çıkardık
+            .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
+            .synchronous(sqlx::sqlite::SqliteSynchronous::Normal);
+
+        let pool = SqlitePoolOptions::new()
+            .max_connections(5)
+            .acquire_timeout(Duration::from_secs(10))
+            .connect_with(options)
+            .await?;
+
+        let db = Self { pool };
+        db.run_migrations().await?;
+        Ok(db)
+    }
+
+    async fn run_migrations(&self) -> Result<()> {
+        sqlx::migrate!("./migrations").run(&self.pool).await?;
+        Ok(())
+    }
+
+    // --- User Operations ---
+
+    pub async fn create_user(&self, username: &str, password_hash: &str) -> Result<()> {
+        sqlx::query("INSERT INTO users (username, password_hash) VALUES (?, ?)")
+            .bind(username)
+            .bind(password_hash)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn get_user_by_username(&self, username: &str) -> Result<Option<(i64, String)>> {
+        let row = sqlx::query("SELECT id, password_hash FROM users WHERE username = ?")
+            .bind(username)
+            .fetch_optional(&self.pool)
+            .await?;
+
+        Ok(row.map(|r| (r.get(0), r.get(1))))
+    }
+
+    pub async fn get_username_by_id(&self, id: i64) -> Result<Option<String>> {
+        let row = sqlx::query("SELECT username FROM users WHERE id = ?")
+            .bind(id)
+            .fetch_optional(&self.pool)
+            .await?;
+
+        Ok(row.map(|r| r.get(0)))
+    }
+
+    pub async fn has_users(&self) -> Result<bool> {
+        let row: (i64,) = sqlx::query_as("SELECT COUNT(*) FROM users")
+            .fetch_one(&self.pool)
+            .await?;
+        Ok(row.0 > 0)
+    }
+
+    // --- Session Operations ---
+
+    pub async fn create_session(&self, user_id: i64, token: &str, expires_at: i64) -> Result<()> {
+        sqlx::query("INSERT INTO sessions (token, user_id, expires_at) VALUES (?, ?, datetime(?, 'unixepoch'))")
+            .bind(token)
+            .bind(user_id)
+            .bind(expires_at)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn get_session_user(&self, token: &str) -> Result<Option<i64>> {
+        let row = sqlx::query("SELECT user_id FROM sessions WHERE token = ? AND expires_at > datetime('now')")
+            .bind(token)
+            .fetch_optional(&self.pool)
+            .await?;
+
+        Ok(row.map(|r| r.get(0)))
+    }
+
+    pub async fn delete_session(&self, token: &str) -> Result<()> {
+        sqlx::query("DELETE FROM sessions WHERE token = ?")
+            .bind(token)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn update_password(&self, user_id: i64, password_hash: &str) -> Result<()> {
+        sqlx::query("UPDATE users SET password_hash = ? WHERE id = ?")
+            .bind(password_hash)
+            .bind(user_id)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn delete_all_sessions_for_user(&self, user_id: i64) -> Result<()> {
+        sqlx::query("DELETE FROM sessions WHERE user_id = ?")
+            .bind(user_id)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    // --- Push Subscription Operations ---
+
+    pub async fn save_push_subscription(&self, endpoint: &str, p256dh: &str, auth: &str) -> Result<()> {
+        sqlx::query(
+            "INSERT INTO push_subscriptions (endpoint, p256dh, auth) VALUES (?, ?, ?)
+             ON CONFLICT(endpoint) DO UPDATE SET p256dh = EXCLUDED.p256dh, auth = EXCLUDED.auth"
+        )
+        .bind(endpoint)
+        .bind(p256dh)
+        .bind(auth)
+        .execute(&self.pool)
+        .await?;
+        Ok(())
+    }
+
+    pub async fn remove_push_subscription(&self, endpoint: &str) -> Result<()> {
+        sqlx::query("DELETE FROM push_subscriptions WHERE endpoint = ?")
+            .bind(endpoint)
+            .execute(&self.pool)
+            .await?;
+        Ok(())
+    }
+
+    pub async fn get_all_push_subscriptions(&self) -> Result<Vec<(String, String, String)>> {
+        let rows = sqlx::query_as::<_, (String, String, String)>(
+            "SELECT endpoint, p256dh, auth FROM push_subscriptions"
+        )
+        .fetch_all(&self.pool)
+        .await?;
+        Ok(rows)
+    }
+}