forked from open-webui/open-webui
318 lines
9.1 KiB
Python
318 lines
9.1 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 = TextField()
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chat = TextField() # Save Chat JSON as Text
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created_at = BigIntegerField()
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updated_at = BigIntegerField()
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share_id = CharField(null=True, unique=True)
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archived = BooleanField(default=False)
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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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created_at: int # timestamp in epoch
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updated_at: int # timestamp in epoch
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share_id: Optional[str] = None
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archived: bool = False
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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 ChatTitleForm(BaseModel):
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title: str
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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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updated_at: int # timestamp in epoch
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created_at: int # timestamp in epoch
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share_id: Optional[str] = None # id of the chat to be shared
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archived: bool
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class ChatTitleIdResponse(BaseModel):
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id: str
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title: str
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updated_at: int
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created_at: int
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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": (
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form_data.chat["title"] if "title" in form_data.chat else "New Chat"
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),
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"chat": json.dumps(form_data.chat),
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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 = 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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updated_at=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 insert_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]:
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# Get the existing chat to share
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chat = Chat.get(Chat.id == chat_id)
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# Check if the chat is already shared
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if chat.share_id:
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return self.get_chat_by_id_and_user_id(chat.share_id, "shared")
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# Create a new chat with the same data, but with a new ID
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shared_chat = ChatModel(
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**{
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"id": str(uuid.uuid4()),
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"user_id": f"shared-{chat_id}",
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"title": chat.title,
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"chat": chat.chat,
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"created_at": chat.created_at,
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"updated_at": int(time.time()),
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}
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)
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shared_result = Chat.create(**shared_chat.model_dump())
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# Update the original chat with the share_id
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result = (
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Chat.update(share_id=shared_chat.id).where(Chat.id == chat_id).execute()
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)
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return shared_chat if (shared_result and result) else None
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def update_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]:
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try:
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print("update_shared_chat_by_id")
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chat = Chat.get(Chat.id == chat_id)
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print(chat)
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query = Chat.update(
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title=chat.title,
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chat=chat.chat,
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).where(Chat.id == chat.share_id)
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query.execute()
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chat = Chat.get(Chat.id == chat.share_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 delete_shared_chat_by_chat_id(self, chat_id: str) -> bool:
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try:
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query = Chat.delete().where(Chat.user_id == f"shared-{chat_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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def update_chat_share_id_by_id(
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self, id: str, share_id: Optional[str]
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) -> Optional[ChatModel]:
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try:
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query = Chat.update(
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share_id=share_id,
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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 toggle_chat_archive_by_id(self, id: str) -> Optional[ChatModel]:
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try:
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chat = self.get_chat_by_id(id)
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query = Chat.update(
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archived=(not chat.archived),
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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_archived_chat_list_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.archived == True)
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.where(Chat.user_id == user_id)
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.order_by(Chat.updated_at.desc())
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# .limit(limit)
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# .offset(skip)
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]
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def get_chat_list_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.archived == False)
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.where(Chat.user_id == user_id)
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.order_by(Chat.updated_at.desc())
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# .limit(limit)
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# .offset(skip)
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]
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def get_chat_list_by_chat_ids(
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self, chat_ids: List[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.archived == False)
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.where(Chat.id.in_(chat_ids))
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.order_by(Chat.updated_at.desc())
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]
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def get_chat_by_id(self, id: str) -> Optional[ChatModel]:
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try:
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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_by_share_id(self, id: str) -> Optional[ChatModel]:
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try:
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chat = Chat.get(Chat.share_id == id)
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if chat:
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chat = Chat.get(Chat.id == id)
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return ChatModel(**model_to_dict(chat))
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else:
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return None
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except:
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return None
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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().order_by(Chat.updated_at.desc())
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# .limit(limit).offset(skip)
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]
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def get_chats_by_user_id(self, user_id: str) -> 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.updated_at.desc())
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# .limit(limit).offset(skip)
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]
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def delete_chat_by_id(self, id: str) -> bool:
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try:
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query = Chat.delete().where((Chat.id == id))
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query.execute() # Remove the rows, return number of rows removed.
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return True and self.delete_shared_chat_by_chat_id(id)
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except:
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return False
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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 and self.delete_shared_chat_by_chat_id(id)
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except:
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return False
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def delete_chats_by_user_id(self, user_id: str) -> bool:
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try:
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self.delete_shared_chats_by_user_id(user_id)
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query = Chat.delete().where(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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def delete_shared_chats_by_user_id(self, user_id: str) -> bool:
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try:
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shared_chat_ids = [
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f"shared-{chat.id}"
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for chat in Chat.select().where(Chat.user_id == user_id)
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]
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query = Chat.delete().where(Chat.user_id << shared_chat_ids)
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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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