Add multi-provider event discovery and improve sync UI

backend/app/database.py

@@ -1,12 +1,16 @@
-from sqlalchemy import create_engine
+from sqlalchemy import URL, create_engine
 from sqlalchemy.orm import declarative_base, sessionmaker
 
 from app.config import settings
 
 
-DATABASE_URL = (
-    f"mysql+pymysql://{settings.db_user}:{settings.db_password}"
-    f"@{settings.db_host}:{settings.db_port}/{settings.db_name}"
+DATABASE_URL = URL.create(
+    "mysql+pymysql",
+    username=settings.db_user,
+    password=settings.db_password,
+    host=settings.db_host,
+    port=int(settings.db_port),
+    database=settings.db_name,
 )
 
 engine = create_engine(
@@ -24,4 +28,3 @@ def get_db():
         yield db
     finally:
         db.close()
-