fix db session

app/db/models/mediaserver.py

@@ -3,7 +3,8 @@ from datetime import datetime
 from sqlalchemy import Column, Integer, String, Sequence
 from sqlalchemy.orm import Session
 
-from app.db.models import Base, db_persist
+from app.db import db_query
+from app.db.models import Base, db_update
 
 
 class MediaServerItem(Base):
@@ -41,20 +42,23 @@ class MediaServerItem(Base):
     lst_mod_date = Column(String, default=datetime.now().strftime("%Y-%m-%d %H:%M:%S"))
 
     @staticmethod
+    @db_query
     def get_by_itemid(db: Session, item_id: str):
         return db.query(MediaServerItem).filter(MediaServerItem.item_id == item_id).first()
 
     @staticmethod
-    @db_persist
+    @db_update
     def empty(db: Session, server: str):
         db.query(MediaServerItem).filter(MediaServerItem.server == server).delete()
 
     @staticmethod
+    @db_query
     def exist_by_tmdbid(db: Session, tmdbid: int, mtype: str):
         return db.query(MediaServerItem).filter(MediaServerItem.tmdbid == tmdbid,
                                                 MediaServerItem.item_type == mtype).first()
 
     @staticmethod
+    @db_query
     def exists_by_title(db: Session, title: str, mtype: str, year: str):
         return db.query(MediaServerItem).filter(MediaServerItem.title == title,
                                                 MediaServerItem.item_type == mtype,