forked from open-webui/open-webui
131 lines
3.2 KiB
Python
131 lines
3.2 KiB
Python
from pydantic import BaseModel
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from typing import List, Union, Optional
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from peewee import *
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from playhouse.shortcuts import model_to_dict
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import json
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import uuid
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import time
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from apps.web.internal.db import DB
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####################
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# Chat DB Schema
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####################
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class Chat(Model):
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id = CharField(unique=True)
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user_id = CharField()
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title = CharField()
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chat = TextField() # Save Chat JSON as Text
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timestamp = DateField()
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class Meta:
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database = DB
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class ChatModel(BaseModel):
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id: str
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user_id: str
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title: str
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chat: str
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timestamp: int # timestamp in epoch
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####################
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# Forms
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####################
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class ChatForm(BaseModel):
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chat: dict
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class ChatResponse(BaseModel):
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id: str
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user_id: str
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title: str
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chat: dict
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timestamp: int # timestamp in epoch
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class ChatTitleIdResponse(BaseModel):
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id: str
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title: str
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class ChatTable:
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def __init__(self, db):
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self.db = db
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db.create_tables([Chat])
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def insert_new_chat(self, user_id: str, form_data: ChatForm) -> Optional[ChatModel]:
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id = str(uuid.uuid4())
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chat = ChatModel(
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**{
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"id": id,
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"user_id": user_id,
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"title": form_data.chat["title"]
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if "title" in form_data.chat
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else "New Chat",
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"chat": json.dumps(form_data.chat),
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"timestamp": int(time.time()),
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}
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)
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result = Chat.create(**chat.model_dump())
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return chat if result else None
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def update_chat_by_id(self, id: str, chat: dict) -> Optional[ChatModel]:
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try:
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query = Chat.update(
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chat=json.dumps(chat),
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title=chat["title"] if "title" in chat else "New Chat",
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timestamp=int(time.time()),
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).where(Chat.id == id)
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query.execute()
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chat = Chat.get(Chat.id == id)
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return ChatModel(**model_to_dict(chat))
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except:
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return None
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def get_chat_lists_by_user_id(
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self, user_id: str, skip: int = 0, limit: int = 50
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) -> List[ChatModel]:
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return [
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ChatModel(**model_to_dict(chat))
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for chat in Chat.select()
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.where(Chat.user_id == user_id)
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.order_by(Chat.timestamp.desc())
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.limit(limit)
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.offset(skip)
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]
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def get_chat_by_id_and_user_id(self, id: str, user_id: str) -> Optional[ChatModel]:
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try:
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chat = Chat.get(Chat.id == id, Chat.user_id == user_id)
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return ChatModel(**model_to_dict(chat))
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except:
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return None
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def get_chats(self, skip: int = 0, limit: int = 50) -> List[ChatModel]:
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return [
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ChatModel(**model_to_dict(chat))
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for chat in Chat.select().limit(limit).offset(skip)
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]
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def delete_chat_by_id_and_user_id(self, id: str, user_id: str) -> bool:
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try:
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query = Chat.delete().where((Chat.id == id) & (Chat.user_id == user_id))
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query.execute() # Remove the rows, return number of rows removed.
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return True
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except:
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return False
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Chats = ChatTable(DB)
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