Initial setup for adding support for api key based auth

db.py

@@ -134,4 +134,40 @@ ORDER BY invocation_time DESC""", [http_function_id])
     def get_http_function_history(self, function_id):
         http_function_history = self.execute(
             'SELECT version_id, http_function_id, script_content, version_number, updated_at FROM http_functions_versions WHERE http_function_id=%s ORDER BY version_number DESC', [function_id])
-        return http_function_history
+        return http_function_history
+    
+    def create_api_key(self, user_id, name, key, scopes):
+        self.execute(
+            'INSERT INTO api_keys (user_id, name, key, scopes) VALUES (%s, %s, %s, %s)',
+            [user_id, name, key, json.dumps(scopes)],
+            commit=True
+        )
+
+    def get_api_key(self, key):
+        api_key = self.execute(
+            'SELECT id, user_id, name, key, scopes, created_at, last_used_at FROM api_keys WHERE key=%s',
+            [key],
+            one=True
+        )
+        return api_key
+
+    def delete_api_key(self, user_id, key_id):
+        self.execute(
+            'DELETE FROM api_keys WHERE user_id=%s AND id=%s',
+            [user_id, key_id],
+            commit=True
+        )
+
+    def list_api_keys(self, user_id):
+        api_keys = self.execute(
+            'SELECT id, user_id, name, key, scopes, created_at, last_used_at FROM api_keys WHERE user_id=%s ORDER BY created_at DESC',
+            [user_id]
+        )
+        return api_keys
+
+    def update_api_key_last_used(self, key_id):
+        self.execute(
+            'UPDATE api_keys SET last_used_at=NOW() WHERE id=%s',
+            [key_id],
+            commit=True
+        )