open-webui/backend/apps/webui/models/memories.py
2024-05-26 01:15:48 -07:00

119 lines
2.9 KiB
Python

from pydantic import BaseModel
from peewee import *
from playhouse.shortcuts import model_to_dict
from typing import List, Union, Optional
from apps.webui.internal.db import DB
from apps.webui.models.chats import Chats
import time
import uuid
####################
# Memory DB Schema
####################
class Memory(Model):
id = CharField(unique=True)
user_id = CharField()
content = TextField()
updated_at = BigIntegerField()
created_at = BigIntegerField()
class Meta:
database = DB
class MemoryModel(BaseModel):
id: str
user_id: str
content: str
updated_at: int # timestamp in epoch
created_at: int # timestamp in epoch
####################
# Forms
####################
class MemoriesTable:
def __init__(self, db):
self.db = db
self.db.create_tables([Memory])
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.create(**memory.model_dump())
if result:
return memory
else:
return None
def get_memories(self) -> List[MemoryModel]:
try:
memories = Memory.select()
return [MemoryModel(**model_to_dict(memory)) for memory in memories]
except:
return None
def get_memories_by_user_id(self, user_id: str) -> List[MemoryModel]:
try:
memories = Memory.select().where(Memory.user_id == user_id)
return [MemoryModel(**model_to_dict(memory)) for memory in memories]
except:
return None
def get_memory_by_id(self, id) -> Optional[MemoryModel]:
try:
memory = Memory.get(Memory.id == id)
return MemoryModel(**model_to_dict(memory))
except:
return None
def delete_memory_by_id(self, id: str) -> bool:
try:
query = Memory.delete().where(Memory.id == id)
query.execute() # Remove the rows, return number of rows removed.
return True
except:
return False
def delete_memories_by_user_id(self, user_id: str) -> bool:
try:
query = Memory.delete().where(Memory.user_id == user_id)
query.execute()
return True
except:
return False
def delete_memory_by_id_and_user_id(self, id: str, user_id: str) -> bool:
try:
query = Memory.delete().where(Memory.id == id, Memory.user_id == user_id)
query.execute()
return True
except:
return False
Memories = MemoriesTable(DB)