port search to stores

+ fix favorites

app/db/engine.py

@@ -1,5 +1,18 @@
 from contextlib import contextmanager
-from sqlalchemy import Engine
+import gc
+from sqlalchemy import Engine, event
+
+
+@event.listens_for(Engine, "connect")
+def set_sqlite_pragma(dbapi_connection, connection_record):
+    cursor = dbapi_connection.cursor()
+    cursor.execute("PRAGMA journal_mode=WAL")
+    cursor.execute("PRAGMA synchronous=NORMAL")
+    cursor.execute("PRAGMA cache_size=10000")
+    cursor.execute("PRAGMA foreign_keys=ON")
+    cursor.execute("PRAGMA temp_store=MEMORY")
+    cursor.execute("PRAGMA mmap_size=30000000000")
+    cursor.close()
 
 
 class DbEngine:
@@ -11,20 +24,22 @@ class DbEngine:
 
     @classmethod
     @contextmanager
-    def manager(cls, commit: bool):
+    def manager(cls, commit: bool = False):
         """
         This context manager manages access to the database.
 
-        When the context manager is entered, it returns a connection object that can be used to execute SQL statements.
+        When the context manager is entered, it returns a session object that can be used to execute SQL statements.
 
         If the `commit` parameter is set to `True`, the context manager will commit the transaction when it exits.
         """
+        conn = cls.engine.connect()
 
         try:
-            conn = cls.engine.connect()
             yield conn.execution_options(preserve_rowcount=True)
-
             if commit:
                 conn.commit()
+        except Exception as e:
+            conn.rollback()
+            raise e
         finally:
             conn.close()