mirror of
https://github.com/open-webui/open-webui
synced 2024-11-27 06:20:01 +00:00
691 lines
23 KiB
Python
691 lines
23 KiB
Python
import json
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import time
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import uuid
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from typing import Optional
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from open_webui.apps.webui.internal.db import Base, get_db
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from open_webui.apps.webui.models.tags import TagModel, Tag, Tags
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from pydantic import BaseModel, ConfigDict
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from sqlalchemy import BigInteger, Boolean, Column, String, Text, JSON
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from sqlalchemy import or_, func, select, and_, text
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from sqlalchemy.sql import exists
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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(JSON)
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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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pinned = Column(Boolean, default=False, nullable=True)
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meta = Column(JSON, server_default="{}")
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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: dict
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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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pinned: Optional[bool] = False
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meta: dict = {}
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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 ChatTitleMessagesForm(BaseModel):
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title: str
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messages: list[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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pinned: Optional[bool] = False
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meta: dict = {}
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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": 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_item = db.get(Chat, id)
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chat_item.chat = chat
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chat_item.title = chat["title"] if "title" in chat else "New Chat"
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chat_item.updated_at = int(time.time())
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db.commit()
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db.refresh(chat_item)
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return ChatModel.model_validate(chat_item)
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except Exception:
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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 Exception:
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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 Exception:
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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 Exception:
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return None
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def toggle_chat_pinned_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.pinned = not chat.pinned
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chat.updated_at = int(time.time())
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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 Exception:
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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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chat.updated_at = int(time.time())
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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 Exception:
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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 Exception:
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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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query = query.order_by(Chat.updated_at.desc())
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if skip:
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query = query.offset(skip)
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if limit:
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query = query.limit(limit)
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all_chats = query.all()
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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: Optional[int] = None,
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limit: Optional[int] = None,
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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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query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
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if not include_archived:
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query = query.filter_by(archived=False)
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query = query.order_by(Chat.updated_at.desc()).with_entities(
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Chat.id, Chat.title, Chat.updated_at, Chat.created_at
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)
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if skip:
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query = query.offset(skip)
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if limit:
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query = query.limit(limit)
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all_chats = query.all()
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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 Exception:
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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:
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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 Exception:
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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_pinned_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, pinned=True, archived=False)
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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 get_chats_by_user_id_and_search_text(
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self,
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user_id: str,
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search_text: str,
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include_archived: bool = False,
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skip: int = 0,
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limit: int = 60,
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) -> list[ChatModel]:
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"""
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Filters chats based on a search query using Python, allowing pagination using skip and limit.
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"""
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search_text = search_text.lower().strip()
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if not search_text:
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return self.get_chat_list_by_user_id(user_id, include_archived, skip, limit)
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search_text_words = search_text.split(" ")
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# search_text might contain 'tag:tag_name' format so we need to extract the tag_name, split the search_text and remove the tags
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tag_ids = [
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word.replace("tag:", "").replace(" ", "_").lower()
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for word in search_text_words
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if word.startswith("tag:")
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]
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search_text_words = [
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word for word in search_text_words if not word.startswith("tag:")
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]
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search_text = " ".join(search_text_words)
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with get_db() as db:
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query = db.query(Chat).filter(Chat.user_id == user_id)
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if not include_archived:
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query = query.filter(Chat.archived == False)
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query = query.order_by(Chat.updated_at.desc())
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# Check if the database dialect is either 'sqlite' or 'postgresql'
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dialect_name = db.bind.dialect.name
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if dialect_name == "sqlite":
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# SQLite case: using JSON1 extension for JSON searching
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query = query.filter(
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(
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Chat.title.ilike(
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f"%{search_text}%"
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) # Case-insensitive search in title
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| text(
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"""
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EXISTS (
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SELECT 1
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FROM json_each(Chat.chat, '$.messages') AS message
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WHERE LOWER(message.value->>'content') LIKE '%' || :search_text || '%'
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)
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"""
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)
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).params(search_text=search_text)
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)
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# Check if there are any tags to filter, it should have all the tags
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if tag_ids:
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query = query.filter(
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and_(
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*[
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text(
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f"""
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EXISTS (
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SELECT 1
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FROM json_each(Chat.meta, '$.tags') AS tag
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WHERE tag.value = :tag_id_{tag_idx}
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)
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"""
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).params(**{f"tag_id_{tag_idx}": tag_id})
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for tag_idx, tag_id in enumerate(tag_ids)
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]
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)
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)
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elif dialect_name == "postgresql":
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# PostgreSQL relies on proper JSON query for search
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query = query.filter(
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(
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Chat.title.ilike(
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f"%{search_text}%"
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) # Case-insensitive search in title
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| text(
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"""
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EXISTS (
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SELECT 1
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FROM json_array_elements(Chat.chat->'messages') AS message
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WHERE LOWER(message->>'content') LIKE '%' || :search_text || '%'
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)
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"""
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)
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).params(search_text=search_text)
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)
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# Check if there are any tags to filter, it should have all the tags
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if tag_ids:
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query = query.filter(
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and_(
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*[
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text(
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f"""
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EXISTS (
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SELECT 1
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FROM json_array_elements_text(Chat.meta->'tags') AS tag
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WHERE tag = :tag_id_{tag_idx}
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)
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"""
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).params(**{f"tag_id_{tag_idx}": tag_id})
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for tag_idx, tag_id in enumerate(tag_ids)
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]
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)
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)
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else:
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raise NotImplementedError(
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f"Unsupported dialect: {db.bind.dialect.name}"
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)
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# Perform pagination at the SQL level
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all_chats = query.offset(skip).limit(limit).all()
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print(len(all_chats))
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# Validate and return chats
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return [ChatModel.model_validate(chat) for chat in all_chats]
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def get_chat_tags_by_id_and_user_id(self, id: str, user_id: str) -> list[TagModel]:
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with get_db() as db:
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chat = db.get(Chat, id)
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tags = chat.meta.get("tags", [])
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return [Tags.get_tag_by_name_and_user_id(tag, user_id) for tag in tags]
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def get_chat_list_by_user_id_and_tag_name(
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self, user_id: str, tag_name: 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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query = db.query(Chat).filter_by(user_id=user_id)
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tag_id = tag_name.replace(" ", "_").lower()
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print(db.bind.dialect.name)
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if db.bind.dialect.name == "sqlite":
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# SQLite JSON1 querying for tags within the meta JSON field
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query = query.filter(
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text(
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f"EXISTS (SELECT 1 FROM json_each(Chat.meta, '$.tags') WHERE json_each.value = :tag_id)"
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)
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).params(tag_id=tag_id)
|
|
elif db.bind.dialect.name == "postgresql":
|
|
# PostgreSQL JSON query for tags within the meta JSON field (for `json` type)
|
|
query = query.filter(
|
|
text(
|
|
"EXISTS (SELECT 1 FROM json_array_elements_text(Chat.meta->'tags') elem WHERE elem = :tag_id)"
|
|
)
|
|
).params(tag_id=tag_id)
|
|
else:
|
|
raise NotImplementedError(
|
|
f"Unsupported dialect: {db.bind.dialect.name}"
|
|
)
|
|
|
|
all_chats = query.all()
|
|
print("all_chats", all_chats)
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def add_chat_tag_by_id_and_user_id_and_tag_name(
|
|
self, id: str, user_id: str, tag_name: str
|
|
) -> Optional[ChatModel]:
|
|
tag = Tags.get_tag_by_name_and_user_id(tag_name, user_id)
|
|
if tag is None:
|
|
tag = Tags.insert_new_tag(tag_name, user_id)
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
|
|
tag_id = tag.id
|
|
if tag_id not in chat.meta.get("tags", []):
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": list(set(chat.meta.get("tags", []) + [tag_id])),
|
|
}
|
|
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def count_chats_by_tag_name_and_user_id(self, tag_name: str, user_id: str) -> int:
|
|
with get_db() as db: # Assuming `get_db()` returns a session object
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=False)
|
|
|
|
# Normalize the tag_name for consistency
|
|
tag_id = tag_name.replace(" ", "_").lower()
|
|
|
|
if db.bind.dialect.name == "sqlite":
|
|
# SQLite JSON1 support for querying the tags inside the `meta` JSON field
|
|
query = query.filter(
|
|
text(
|
|
f"EXISTS (SELECT 1 FROM json_each(Chat.meta, '$.tags') WHERE json_each.value = :tag_id)"
|
|
)
|
|
).params(tag_id=tag_id)
|
|
|
|
elif db.bind.dialect.name == "postgresql":
|
|
# PostgreSQL JSONB support for querying the tags inside the `meta` JSON field
|
|
query = query.filter(
|
|
text(
|
|
"EXISTS (SELECT 1 FROM json_array_elements_text(Chat.meta->'tags') elem WHERE elem = :tag_id)"
|
|
)
|
|
).params(tag_id=tag_id)
|
|
|
|
else:
|
|
raise NotImplementedError(
|
|
f"Unsupported dialect: {db.bind.dialect.name}"
|
|
)
|
|
|
|
# Get the count of matching records
|
|
count = query.count()
|
|
|
|
# Debugging output for inspection
|
|
print(f"Count of chats for tag '{tag_name}':", count)
|
|
|
|
return count
|
|
|
|
def delete_tag_by_id_and_user_id_and_tag_name(
|
|
self, id: str, user_id: str, tag_name: str
|
|
) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
tags = chat.meta.get("tags", [])
|
|
tag_id = tag_name.replace(" ", "_").lower()
|
|
|
|
tags = [tag for tag in tags if tag != tag_id]
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": list(set(tags)),
|
|
}
|
|
db.commit()
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_all_tags_by_id_and_user_id(self, id: str, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chat = db.get(Chat, id)
|
|
chat.meta = {
|
|
**chat.meta,
|
|
"tags": [],
|
|
}
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chat_by_id(self, id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(id=id).delete()
|
|
db.commit()
|
|
|
|
return True and self.delete_shared_chat_by_chat_id(id)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chat_by_id_and_user_id(self, id: str, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
db.query(Chat).filter_by(id=id, user_id=user_id).delete()
|
|
db.commit()
|
|
|
|
return True and self.delete_shared_chat_by_chat_id(id)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chats_by_user_id(self, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
self.delete_shared_chats_by_user_id(user_id)
|
|
|
|
db.query(Chat).filter_by(user_id=user_id).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_shared_chats_by_user_id(self, user_id: str) -> bool:
|
|
try:
|
|
with get_db() as db:
|
|
chats_by_user = db.query(Chat).filter_by(user_id=user_id).all()
|
|
shared_chat_ids = [f"shared-{chat.id}" for chat in chats_by_user]
|
|
|
|
db.query(Chat).filter(Chat.user_id.in_(shared_chat_ids)).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
|
|
Chats = ChatTable()
|