fix: Improve database migrations - create table if missing

- Create search_sites table if it doesn't exist
- Add price_selector column only if table exists but column doesn't
- Fixes 400 Bad Request when creating search sites

app/main.py

@@ -25,21 +25,43 @@ logger = logging.getLogger(__name__)
 
 
 def run_migrations():
-    """Run database migrations for missing columns"""
-    migrations = [
-        # Add price_selector to search_sites if missing
-        ("search_sites", "price_selector", "ALTER TABLE search_sites ADD COLUMN price_selector VARCHAR(512)"),
-    ]
-
+    """Run database migrations for missing tables and columns"""
     with engine.connect() as conn:
-        for table, column, sql in migrations:
+        # 1. Create search_sites table if it doesn't exist
+        result = conn.execute(text(
+            "SELECT 1 FROM information_schema.tables WHERE table_name = 'search_sites'"
+        ))
+        if not result.fetchone():
+            logger.info("Creating search_sites table...")
+            conn.execute(text("""
+                CREATE TABLE search_sites (
+                    id SERIAL PRIMARY KEY,
+                    name VARCHAR(255) NOT NULL,
+                    domain VARCHAR(512) UNIQUE NOT NULL,
+                    logo_url VARCHAR(1024),
+                    category VARCHAR(255),
+                    is_active BOOLEAN DEFAULT TRUE,
+                    priority INTEGER DEFAULT 0,
+                    requires_js BOOLEAN DEFAULT FALSE,
+                    price_selector VARCHAR(512),
+                    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+                    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+                )
+            """))
+            conn.execute(text("CREATE INDEX IF NOT EXISTS idx_search_sites_domain ON search_sites(domain)"))
+            conn.execute(text("CREATE INDEX IF NOT EXISTS idx_search_sites_is_active ON search_sites(is_active)"))
+            conn.commit()
+            logger.info("search_sites table created")
+        else:
+            # 2. Add price_selector column if missing
             result = conn.execute(text(
-                f"SELECT 1 FROM information_schema.columns WHERE table_name = '{table}' AND column_name = '{column}'"
+                "SELECT 1 FROM information_schema.columns WHERE table_name = 'search_sites' AND column_name = 'price_selector'"
             ))
             if not result.fetchone():
-                logger.info(f"Adding missing column: {table}.{column}")
-                conn.execute(text(sql))
+                logger.info("Adding price_selector column to search_sites...")
+                conn.execute(text("ALTER TABLE search_sites ADD COLUMN price_selector VARCHAR(512)"))
                 conn.commit()
+                logger.info("price_selector column added")
 
 
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