refac/enh: db session sharing

backend/open_webui/models/memories.py

@@ -2,7 +2,8 @@ import time
 import uuid
 from typing import Optional
 
-from open_webui.internal.db import Base, get_db
+from sqlalchemy.orm import Session
+from open_webui.internal.db import Base, get_db, get_db_context
 from pydantic import BaseModel, ConfigDict
 from sqlalchemy import BigInteger, Column, String, Text
 
@@ -41,8 +42,9 @@ class MemoriesTable:
         self,
         user_id: str,
         content: str,
+        db: Optional[Session] = None,
     ) -> Optional[MemoryModel]:
-        with get_db() as db:
+        with get_db_context(db) as db:
             id = str(uuid.uuid4())
 
             memory = MemoryModel(
@@ -68,8 +70,9 @@ class MemoriesTable:
         id: str,
         user_id: str,
         content: str,
+        db: Optional[Session] = None,
     ) -> Optional[MemoryModel]:
-        with get_db() as db:
+        with get_db_context(db) as db:
             try:
                 memory = db.get(Memory, id)
                 if not memory or memory.user_id != user_id:
@@ -83,32 +86,32 @@ class MemoriesTable:
             except Exception:
                 return None
 
-    def get_memories(self) -> list[MemoryModel]:
-        with get_db() as db:
+    def get_memories(self, db: Optional[Session] = None) -> list[MemoryModel]:
+        with get_db_context(db) as db:
             try:
                 memories = db.query(Memory).all()
                 return [MemoryModel.model_validate(memory) for memory in memories]
             except Exception:
                 return None
 
-    def get_memories_by_user_id(self, user_id: str) -> list[MemoryModel]:
-        with get_db() as db:
+    def get_memories_by_user_id(self, user_id: str, db: Optional[Session] = None) -> list[MemoryModel]:
+        with get_db_context(db) as db:
             try:
                 memories = db.query(Memory).filter_by(user_id=user_id).all()
                 return [MemoryModel.model_validate(memory) for memory in memories]
             except Exception:
                 return None
 
-    def get_memory_by_id(self, id: str) -> Optional[MemoryModel]:
-        with get_db() as db:
+    def get_memory_by_id(self, id: str, db: Optional[Session] = None) -> Optional[MemoryModel]:
+        with get_db_context(db) as db:
             try:
                 memory = db.get(Memory, id)
                 return MemoryModel.model_validate(memory)
             except Exception:
                 return None
 
-    def delete_memory_by_id(self, id: str) -> bool:
-        with get_db() as db:
+    def delete_memory_by_id(self, id: str, db: Optional[Session] = None) -> bool:
+        with get_db_context(db) as db:
             try:
                 db.query(Memory).filter_by(id=id).delete()
                 db.commit()
@@ -118,8 +121,8 @@ class MemoriesTable:
             except Exception:
                 return False
 
-    def delete_memories_by_user_id(self, user_id: str) -> bool:
-        with get_db() as db:
+    def delete_memories_by_user_id(self, user_id: str, db: Optional[Session] = None) -> bool:
+        with get_db_context(db) as db:
             try:
                 db.query(Memory).filter_by(user_id=user_id).delete()
                 db.commit()
@@ -128,8 +131,8 @@ class MemoriesTable:
             except Exception:
                 return False
 
-    def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
-        with get_db() as db:
+    def delete_memory_by_id_and_user_id(self, id: str, user_id: str, db: Optional[Session] = None) -> bool:
+        with get_db_context(db) as db:
             try:
                 memory = db.get(Memory, id)
                 if not memory or memory.user_id != user_id: