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| from pydantic import BaseModel, ConfigDict | |
| from typing import Union, Optional | |
| import json | |
| import uuid | |
| import time | |
| from sqlalchemy import Column, String, BigInteger, Boolean, Text | |
| from apps.webui.internal.db import Base, get_db | |
| #################### | |
| # Chat DB Schema | |
| #################### | |
| class Chat(Base): | |
| __tablename__ = "chat" | |
| id = Column(String, primary_key=True) | |
| user_id = Column(String) | |
| title = Column(Text) | |
| chat = Column(Text) # Save Chat JSON as Text | |
| created_at = Column(BigInteger) | |
| updated_at = Column(BigInteger) | |
| share_id = Column(Text, unique=True, nullable=True) | |
| archived = Column(Boolean, default=False) | |
| class ChatModel(BaseModel): | |
| model_config = ConfigDict(from_attributes=True) | |
| id: str | |
| user_id: str | |
| title: str | |
| chat: str | |
| created_at: int # timestamp in epoch | |
| updated_at: int # timestamp in epoch | |
| share_id: Optional[str] = None | |
| archived: bool = False | |
| #################### | |
| # Forms | |
| #################### | |
| class ChatForm(BaseModel): | |
| chat: dict | |
| class ChatTitleForm(BaseModel): | |
| title: str | |
| class ChatResponse(BaseModel): | |
| id: str | |
| user_id: str | |
| title: str | |
| chat: dict | |
| updated_at: int # timestamp in epoch | |
| created_at: int # timestamp in epoch | |
| share_id: Optional[str] = None # id of the chat to be shared | |
| archived: bool | |
| class ChatTitleIdResponse(BaseModel): | |
| id: str | |
| title: str | |
| updated_at: int | |
| created_at: int | |
| class ChatTable: | |
| def insert_new_chat(self, user_id: str, form_data: ChatForm) -> Optional[ChatModel]: | |
| with get_db() as db: | |
| id = str(uuid.uuid4()) | |
| chat = ChatModel( | |
| **{ | |
| "id": id, | |
| "user_id": user_id, | |
| "title": ( | |
| form_data.chat["title"] | |
| if "title" in form_data.chat | |
| else "New Chat" | |
| ), | |
| "chat": json.dumps(form_data.chat), | |
| "created_at": int(time.time()), | |
| "updated_at": int(time.time()), | |
| } | |
| ) | |
| result = Chat(**chat.model_dump()) | |
| db.add(result) | |
| db.commit() | |
| db.refresh(result) | |
| return ChatModel.model_validate(result) if result else None | |
| def update_chat_by_id(self, id: str, chat: dict) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat_obj = db.get(Chat, id) | |
| chat_obj.chat = json.dumps(chat) | |
| chat_obj.title = chat["title"] if "title" in chat else "New Chat" | |
| chat_obj.updated_at = int(time.time()) | |
| db.commit() | |
| db.refresh(chat_obj) | |
| return ChatModel.model_validate(chat_obj) | |
| except Exception as e: | |
| return None | |
| def insert_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]: | |
| with get_db() as db: | |
| # Get the existing chat to share | |
| chat = db.get(Chat, chat_id) | |
| # Check if the chat is already shared | |
| if chat.share_id: | |
| return self.get_chat_by_id_and_user_id(chat.share_id, "shared") | |
| # Create a new chat with the same data, but with a new ID | |
| shared_chat = ChatModel( | |
| **{ | |
| "id": str(uuid.uuid4()), | |
| "user_id": f"shared-{chat_id}", | |
| "title": chat.title, | |
| "chat": chat.chat, | |
| "created_at": chat.created_at, | |
| "updated_at": int(time.time()), | |
| } | |
| ) | |
| shared_result = Chat(**shared_chat.model_dump()) | |
| db.add(shared_result) | |
| db.commit() | |
| db.refresh(shared_result) | |
| # Update the original chat with the share_id | |
| result = ( | |
| db.query(Chat) | |
| .filter_by(id=chat_id) | |
| .update({"share_id": shared_chat.id}) | |
| ) | |
| db.commit() | |
| return shared_chat if (shared_result and result) else None | |
| def update_shared_chat_by_chat_id(self, chat_id: str) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| print("update_shared_chat_by_id") | |
| chat = db.get(Chat, chat_id) | |
| print(chat) | |
| chat.title = chat.title | |
| chat.chat = chat.chat | |
| db.commit() | |
| db.refresh(chat) | |
| return self.get_chat_by_id(chat.share_id) | |
| except Exception: | |
| return None | |
| def delete_shared_chat_by_chat_id(self, chat_id: str) -> bool: | |
| try: | |
| with get_db() as db: | |
| db.query(Chat).filter_by(user_id=f"shared-{chat_id}").delete() | |
| db.commit() | |
| return True | |
| except Exception: | |
| return False | |
| def update_chat_share_id_by_id( | |
| self, id: str, share_id: Optional[str] | |
| ) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat = db.get(Chat, id) | |
| chat.share_id = share_id | |
| db.commit() | |
| db.refresh(chat) | |
| return ChatModel.model_validate(chat) | |
| except Exception: | |
| return None | |
| def toggle_chat_archive_by_id(self, id: str) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat = db.get(Chat, id) | |
| chat.archived = not chat.archived | |
| db.commit() | |
| db.refresh(chat) | |
| return ChatModel.model_validate(chat) | |
| except Exception: | |
| return None | |
| def archive_all_chats_by_user_id(self, user_id: str) -> bool: | |
| try: | |
| with get_db() as db: | |
| db.query(Chat).filter_by(user_id=user_id).update({"archived": True}) | |
| db.commit() | |
| return True | |
| except Exception: | |
| return False | |
| def get_archived_chat_list_by_user_id( | |
| self, user_id: str, skip: int = 0, limit: int = 50 | |
| ) -> list[ChatModel]: | |
| with get_db() as db: | |
| all_chats = ( | |
| db.query(Chat) | |
| .filter_by(user_id=user_id, archived=True) | |
| .order_by(Chat.updated_at.desc()) | |
| # .limit(limit).offset(skip) | |
| .all() | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| def get_chat_list_by_user_id( | |
| self, | |
| user_id: str, | |
| include_archived: bool = False, | |
| skip: int = 0, | |
| limit: int = 50, | |
| ) -> list[ChatModel]: | |
| with get_db() as db: | |
| query = db.query(Chat).filter_by(user_id=user_id) | |
| if not include_archived: | |
| query = query.filter_by(archived=False) | |
| all_chats = ( | |
| query.order_by(Chat.updated_at.desc()) | |
| # .limit(limit).offset(skip) | |
| .all() | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| def get_chat_title_id_list_by_user_id( | |
| self, | |
| user_id: str, | |
| include_archived: bool = False, | |
| skip: int = 0, | |
| limit: int = -1, | |
| ) -> list[ChatTitleIdResponse]: | |
| with get_db() as db: | |
| query = db.query(Chat).filter_by(user_id=user_id) | |
| if not include_archived: | |
| query = query.filter_by(archived=False) | |
| all_chats = ( | |
| query.order_by(Chat.updated_at.desc()) | |
| # limit cols | |
| .with_entities(Chat.id, Chat.title, Chat.updated_at, Chat.created_at) | |
| .limit(limit) | |
| .offset(skip) | |
| .all() | |
| ) | |
| # result has to be destrctured from sqlalchemy `row` and mapped to a dict since the `ChatModel`is not the returned dataclass. | |
| return [ | |
| ChatTitleIdResponse.model_validate( | |
| { | |
| "id": chat[0], | |
| "title": chat[1], | |
| "updated_at": chat[2], | |
| "created_at": chat[3], | |
| } | |
| ) | |
| for chat in all_chats | |
| ] | |
| def get_chat_list_by_chat_ids( | |
| self, chat_ids: list[str], skip: int = 0, limit: int = 50 | |
| ) -> list[ChatModel]: | |
| with get_db() as db: | |
| all_chats = ( | |
| db.query(Chat) | |
| .filter(Chat.id.in_(chat_ids)) | |
| .filter_by(archived=False) | |
| .order_by(Chat.updated_at.desc()) | |
| .all() | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| def get_chat_by_id(self, id: str) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat = db.get(Chat, id) | |
| return ChatModel.model_validate(chat) | |
| except Exception: | |
| return None | |
| def get_chat_by_share_id(self, id: str) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat = db.query(Chat).filter_by(share_id=id).first() | |
| if chat: | |
| return self.get_chat_by_id(id) | |
| else: | |
| return None | |
| except Exception as e: | |
| return None | |
| def get_chat_by_id_and_user_id(self, id: str, user_id: str) -> Optional[ChatModel]: | |
| try: | |
| with get_db() as db: | |
| chat = db.query(Chat).filter_by(id=id, user_id=user_id).first() | |
| return ChatModel.model_validate(chat) | |
| except Exception: | |
| return None | |
| def get_chats(self, skip: int = 0, limit: int = 50) -> list[ChatModel]: | |
| with get_db() as db: | |
| all_chats = ( | |
| db.query(Chat) | |
| # .limit(limit).offset(skip) | |
| .order_by(Chat.updated_at.desc()) | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| def get_chats_by_user_id(self, user_id: str) -> list[ChatModel]: | |
| with get_db() as db: | |
| all_chats = ( | |
| db.query(Chat) | |
| .filter_by(user_id=user_id) | |
| .order_by(Chat.updated_at.desc()) | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| def get_archived_chats_by_user_id(self, user_id: str) -> list[ChatModel]: | |
| with get_db() as db: | |
| all_chats = ( | |
| db.query(Chat) | |
| .filter_by(user_id=user_id, archived=True) | |
| .order_by(Chat.updated_at.desc()) | |
| ) | |
| return [ChatModel.model_validate(chat) for chat in all_chats] | |
| 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() | |