open-webui/backend/apps/webui/models/memories.py
2024-06-27 07:48:08 +02:00

127 lines
3.2 KiB
Python

from pydantic import BaseModel, ConfigDict
from typing import List, Union, Optional
from sqlalchemy import Column, String, BigInteger, Text
from apps.webui.internal.db import Base, Session
import time
import uuid
####################
# Memory DB Schema
####################
class Memory(Base):
__tablename__ = "memory"
id = Column(String, primary_key=True)
user_id = Column(String)
content = Column(Text)
updated_at = Column(BigInteger)
created_at = Column(BigInteger)
class MemoryModel(BaseModel):
id: str
user_id: str
content: str
updated_at: int # timestamp in epoch
created_at: int # timestamp in epoch
model_config = ConfigDict(from_attributes=True)
####################
# Forms
####################
class MemoriesTable:
def insert_new_memory(
self,
user_id: str,
content: str,
) -> Optional[MemoryModel]:
id = str(uuid.uuid4())
memory = MemoryModel(
**{
"id": id,
"user_id": user_id,
"content": content,
"created_at": int(time.time()),
"updated_at": int(time.time()),
}
)
result = Memory(**memory.model_dump())
Session.add(result)
Session.commit()
Session.refresh(result)
if result:
return MemoryModel.model_validate(result)
else:
return None
def update_memory_by_id(
self,
id: str,
content: str,
) -> Optional[MemoryModel]:
try:
Session.query(Memory).filter_by(id=id).update(
{"content": content, "updated_at": int(time.time())}
)
Session.commit()
return self.get_memory_by_id(id)
except:
return None
def get_memories(self) -> List[MemoryModel]:
try:
memories = Session.query(Memory).all()
return [MemoryModel.model_validate(memory) for memory in memories]
except:
return None
def get_memories_by_user_id(self, user_id: str) -> List[MemoryModel]:
try:
memories = Session.query(Memory).filter_by(user_id=user_id).all()
return [MemoryModel.model_validate(memory) for memory in memories]
except:
return None
def get_memory_by_id(self, id: str) -> Optional[MemoryModel]:
try:
memory = Session.get(Memory, id)
return MemoryModel.model_validate(memory)
except:
return None
def delete_memory_by_id(self, id: str) -> bool:
try:
Session.query(Memory).filter_by(id=id).delete()
return True
except:
return False
def delete_memories_by_user_id(self, user_id: str) -> bool:
try:
Session.query(Memory).filter_by(user_id=user_id).delete()
return True
except:
return False
def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
try:
Session.query(Memory).filter_by(id=id, user_id=user_id).delete()
return True
except:
return False
Memories = MemoriesTable()