mirror of
https://github.com/open-webui/open-webui
synced 2024-11-07 09:09:53 +00:00
149 lines
3.7 KiB
Python
149 lines
3.7 KiB
Python
from pydantic import BaseModel, ConfigDict
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from typing import Union, Optional
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from sqlalchemy import Column, String, BigInteger, Text
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from apps.webui.internal.db import Base, get_db
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import time
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import uuid
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####################
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# Memory DB Schema
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####################
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class Memory(Base):
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__tablename__ = "memory"
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id = Column(String, primary_key=True)
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user_id = Column(String)
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content = Column(Text)
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updated_at = Column(BigInteger)
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created_at = Column(BigInteger)
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class MemoryModel(BaseModel):
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id: str
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user_id: str
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content: str
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updated_at: int # timestamp in epoch
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created_at: int # timestamp in epoch
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model_config = ConfigDict(from_attributes=True)
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####################
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# Forms
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####################
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class MemoriesTable:
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def insert_new_memory(
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self,
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user_id: str,
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content: str,
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) -> Optional[MemoryModel]:
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with get_db() as db:
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id = str(uuid.uuid4())
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memory = MemoryModel(
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**{
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"id": id,
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"user_id": user_id,
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"content": content,
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"created_at": int(time.time()),
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"updated_at": int(time.time()),
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}
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)
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result = Memory(**memory.model_dump())
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db.add(result)
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db.commit()
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db.refresh(result)
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if result:
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return MemoryModel.model_validate(result)
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else:
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return None
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def update_memory_by_id(
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self,
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id: str,
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content: str,
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) -> Optional[MemoryModel]:
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with get_db() as db:
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try:
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db.query(Memory).filter_by(id=id).update(
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{"content": content, "updated_at": int(time.time())}
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)
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db.commit()
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return self.get_memory_by_id(id)
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except Exception:
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return None
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def get_memories(self) -> list[MemoryModel]:
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with get_db() as db:
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try:
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memories = db.query(Memory).all()
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return [MemoryModel.model_validate(memory) for memory in memories]
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except Exception:
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return None
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def get_memories_by_user_id(self, user_id: str) -> list[MemoryModel]:
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with get_db() as db:
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try:
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memories = db.query(Memory).filter_by(user_id=user_id).all()
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return [MemoryModel.model_validate(memory) for memory in memories]
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except Exception:
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return None
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def get_memory_by_id(self, id: str) -> Optional[MemoryModel]:
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with get_db() as db:
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try:
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memory = db.get(Memory, id)
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return MemoryModel.model_validate(memory)
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except Exception:
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return None
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def delete_memory_by_id(self, id: str) -> bool:
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with get_db() as db:
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try:
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db.query(Memory).filter_by(id=id).delete()
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db.commit()
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return True
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except Exception:
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return False
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def delete_memories_by_user_id(self, user_id: str) -> bool:
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with get_db() as db:
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try:
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db.query(Memory).filter_by(user_id=user_id).delete()
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db.commit()
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return True
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except Exception:
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return False
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def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
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with get_db() as db:
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try:
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db.query(Memory).filter_by(id=id, user_id=user_id).delete()
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db.commit()
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return True
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except Exception:
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return False
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Memories = MemoriesTable()
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