mirror of
https://github.com/open-webui/open-webui
synced 2024-11-16 13:40:55 +00:00
408 lines
12 KiB
Python
408 lines
12 KiB
Python
from pydantic import BaseModel, ConfigDict
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from typing import List, Union, Optional
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import json
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import uuid
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import time
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from sqlalchemy import Column, String, BigInteger, Boolean, Text
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from apps.webui.internal.db import Base, get_db
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####################
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# Chat DB Schema
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####################
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class Chat(Base):
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__tablename__ = "chat"
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id = Column(String, primary_key=True)
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user_id = Column(String)
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title = Column(Text)
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chat = Column(Text) # Save Chat JSON as Text
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created_at = Column(BigInteger)
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updated_at = Column(BigInteger)
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share_id = Column(Text, unique=True, nullable=True)
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archived = Column(Boolean, default=False)
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class ChatModel(BaseModel):
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model_config = ConfigDict(from_attributes=True)
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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 insert_new_chat(self, user_id: str, form_data: ChatForm) -> Optional[ChatModel]:
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with get_db() as db:
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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"]
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if "title" in form_data.chat
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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(**chat.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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return ChatModel.model_validate(result) 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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with get_db() as db:
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chat_obj = db.get(Chat, id)
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chat_obj.chat = json.dumps(chat)
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chat_obj.title = chat["title"] if "title" in chat else "New Chat"
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chat_obj.updated_at = int(time.time())
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db.commit()
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db.refresh(chat_obj)
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return ChatModel.model_validate(chat_obj)
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except Exception as e:
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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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with get_db() as db:
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# Get the existing chat to share
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chat = db.get(Chat, 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(**shared_chat.model_dump())
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db.add(shared_result)
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db.commit()
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db.refresh(shared_result)
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# Update the original chat with the share_id
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result = (
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db.query(Chat)
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.filter_by(id=chat_id)
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.update({"share_id": shared_chat.id})
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)
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db.commit()
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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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with get_db() as db:
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print("update_shared_chat_by_id")
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chat = db.get(Chat, chat_id)
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print(chat)
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chat.title = chat.title
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chat.chat = chat.chat
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db.commit()
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db.refresh(chat)
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return self.get_chat_by_id(chat.share_id)
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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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with get_db() as db:
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db.query(Chat).filter_by(user_id=f"shared-{chat_id}").delete()
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db.commit()
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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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with get_db() as db:
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chat = db.get(Chat, id)
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chat.share_id = share_id
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db.commit()
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db.refresh(chat)
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return ChatModel.model_validate(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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with get_db() as db:
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chat = db.get(Chat, id)
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chat.archived = not chat.archived
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db.commit()
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db.refresh(chat)
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return ChatModel.model_validate(chat)
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except:
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return None
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def archive_all_chats_by_user_id(self, user_id: str) -> bool:
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try:
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with get_db() as db:
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db.query(Chat).filter_by(user_id=user_id).update({"archived": True})
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db.commit()
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return True
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except:
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return False
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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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with get_db() as db:
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all_chats = (
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db.query(Chat)
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.filter_by(user_id=user_id, archived=True)
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.order_by(Chat.updated_at.desc())
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# .limit(limit).offset(skip)
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.all()
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_chat_list_by_user_id(
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self,
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user_id: str,
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include_archived: bool = False,
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skip: int = 0,
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limit: int = 50,
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) -> List[ChatModel]:
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with get_db() as db:
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query = db.query(Chat).filter_by(user_id=user_id)
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if not include_archived:
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query = query.filter_by(archived=False)
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all_chats = (
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query.order_by(Chat.updated_at.desc())
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# .limit(limit).offset(skip)
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.all()
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_chat_title_id_list_by_user_id(
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self,
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user_id: str,
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include_archived: bool = False,
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skip: int = 0,
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limit: int = -1,
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) -> List[ChatTitleIdResponse]:
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with get_db() as db:
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query = db.query(Chat).filter_by(user_id=user_id)
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if not include_archived:
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query = query.filter_by(archived=False)
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all_chats = (
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query.order_by(Chat.updated_at.desc())
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# limit cols
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.with_entities(Chat.id, Chat.title, Chat.updated_at, Chat.created_at)
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.limit(limit)
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.offset(skip)
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.all()
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)
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# result has to be destrctured from sqlalchemy `row` and mapped to a dict since the `ChatModel`is not the returned dataclass.
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return [
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ChatTitleIdResponse.model_validate(
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{
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"id": chat[0],
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"title": chat[1],
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"updated_at": chat[2],
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"created_at": chat[3],
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}
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)
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for chat in all_chats
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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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with get_db() as db:
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all_chats = (
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db.query(Chat)
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.filter(Chat.id.in_(chat_ids))
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.filter_by(archived=False)
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.order_by(Chat.updated_at.desc())
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.all()
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_chat_by_id(self, id: str) -> Optional[ChatModel]:
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try:
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with get_db() as db:
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chat = db.get(Chat, id)
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return ChatModel.model_validate(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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with get_db() as db:
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chat = db.query(Chat).filter_by(share_id=id).first()
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if chat:
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return self.get_chat_by_id(id)
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else:
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return None
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except Exception as e:
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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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with get_db() as db:
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chat = db.query(Chat).filter_by(id=id, user_id=user_id).first()
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return ChatModel.model_validate(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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with get_db() as db:
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all_chats = (
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db.query(Chat)
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# .limit(limit).offset(skip)
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.order_by(Chat.updated_at.desc())
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_chats_by_user_id(self, user_id: str) -> List[ChatModel]:
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with get_db() as db:
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all_chats = (
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db.query(Chat)
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.filter_by(user_id=user_id)
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.order_by(Chat.updated_at.desc())
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_archived_chats_by_user_id(self, user_id: str) -> List[ChatModel]:
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with get_db() as db:
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all_chats = (
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db.query(Chat)
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.filter_by(user_id=user_id, archived=True)
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.order_by(Chat.updated_at.desc())
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)
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def delete_chat_by_id(self, id: str) -> bool:
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try:
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with get_db() as db:
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db.query(Chat).filter_by(id=id).delete()
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db.commit()
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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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with get_db() as db:
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db.query(Chat).filter_by(id=id, user_id=user_id).delete()
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db.commit()
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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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with get_db() as db:
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self.delete_shared_chats_by_user_id(user_id)
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db.query(Chat).filter_by(user_id=user_id).delete()
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db.commit()
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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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with get_db() as db:
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chats_by_user = db.query(Chat).filter_by(user_id=user_id).all()
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shared_chat_ids = [f"shared-{chat.id}" for chat in chats_by_user]
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db.query(Chat).filter(Chat.user_id.in_(shared_chat_ids)).delete()
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db.commit()
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return True
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except:
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return False
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Chats = ChatTable()
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