mirror of
https://github.com/open-webui/open-webui.git
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1555 lines
56 KiB
Python
1555 lines
56 KiB
Python
import logging
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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 sqlalchemy.orm import Session
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from open_webui.internal.db import Base, JSONField, get_db, get_db_context
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from open_webui.models.tags import TagModel, Tag, Tags
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from open_webui.models.folders import Folders
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from open_webui.models.chat_messages import ChatMessage, ChatMessages
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from open_webui.utils.misc import sanitize_data_for_db, sanitize_text_for_db
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from pydantic import BaseModel, ConfigDict
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from sqlalchemy import (
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BigInteger,
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Boolean,
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Column,
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ForeignKey,
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String,
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Text,
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JSON,
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Index,
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UniqueConstraint,
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)
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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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from sqlalchemy.sql.expression import bindparam
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####################
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# Chat DB Schema
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####################
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log = logging.getLogger(__name__)
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class Chat(Base):
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__tablename__ = 'chat'
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id = Column(String, primary_key=True, unique=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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folder_id = Column(Text, nullable=True)
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__table_args__ = (
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# Performance indexes for common queries
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# WHERE folder_id = ...
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Index('folder_id_idx', 'folder_id'),
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# WHERE user_id = ... AND pinned = ...
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Index('user_id_pinned_idx', 'user_id', 'pinned'),
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# WHERE user_id = ... AND archived = ...
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Index('user_id_archived_idx', 'user_id', 'archived'),
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# WHERE user_id = ... ORDER BY updated_at DESC
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Index('updated_at_user_id_idx', 'updated_at', 'user_id'),
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# WHERE folder_id = ... AND user_id = ...
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Index('folder_id_user_id_idx', 'folder_id', 'user_id'),
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)
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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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folder_id: Optional[str] = None
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class ChatFile(Base):
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__tablename__ = 'chat_file'
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id = Column(Text, unique=True, primary_key=True)
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user_id = Column(Text, nullable=False)
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chat_id = Column(Text, ForeignKey('chat.id', ondelete='CASCADE'), nullable=False)
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message_id = Column(Text, nullable=True)
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file_id = Column(Text, ForeignKey('file.id', ondelete='CASCADE'), nullable=False)
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created_at = Column(BigInteger, nullable=False)
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updated_at = Column(BigInteger, nullable=False)
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__table_args__ = (UniqueConstraint('chat_id', 'file_id', name='uq_chat_file_chat_file'),)
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class ChatFileModel(BaseModel):
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id: str
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user_id: str
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chat_id: str
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message_id: Optional[str] = None
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file_id: str
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created_at: int
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updated_at: int
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model_config = ConfigDict(from_attributes=True)
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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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folder_id: Optional[str] = None
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class ChatImportForm(ChatForm):
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meta: Optional[dict] = {}
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pinned: Optional[bool] = False
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created_at: Optional[int] = None
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updated_at: Optional[int] = None
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class ChatsImportForm(BaseModel):
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chats: list[ChatImportForm]
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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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folder_id: Optional[str] = None
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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 SharedChatResponse(BaseModel):
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id: str
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title: str
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share_id: Optional[str] = None
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updated_at: int
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created_at: int
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class ChatListResponse(BaseModel):
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items: list[ChatModel]
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total: int
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class ChatUsageStatsResponse(BaseModel):
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id: str # chat id
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models: dict = {} # models used in the chat with their usage counts
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message_count: int # number of messages in the chat
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history_models: dict = {} # models used in the chat history with their usage counts
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history_message_count: int # number of messages in the chat history
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history_user_message_count: int # number of user messages in the chat history
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history_assistant_message_count: int # number of assistant messages in the chat history
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average_response_time: float # average response time of assistant messages in seconds
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average_user_message_content_length: float # average length of user message contents
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average_assistant_message_content_length: float # average length of assistant message contents
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tags: list[str] = [] # tags associated with the chat
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last_message_at: int # timestamp of the last message
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updated_at: int
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created_at: int
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model_config = ConfigDict(extra='allow')
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class ChatUsageStatsListResponse(BaseModel):
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items: list[ChatUsageStatsResponse]
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total: int
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model_config = ConfigDict(extra='allow')
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class MessageStats(BaseModel):
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id: str
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role: str
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model: Optional[str] = None
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content_length: int
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token_count: Optional[int] = None
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timestamp: Optional[int] = None
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rating: Optional[int] = None # Derived from message.annotation.rating
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tags: Optional[list[str]] = None # Derived from message.annotation.tags
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class ChatHistoryStats(BaseModel):
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messages: dict[str, MessageStats]
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currentId: Optional[str] = None
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class ChatBody(BaseModel):
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history: ChatHistoryStats
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class AggregateChatStats(BaseModel):
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average_response_time: float
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average_user_message_content_length: float
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average_assistant_message_content_length: float
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models: dict[str, int]
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message_count: int
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history_models: dict[str, int]
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history_message_count: int
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history_user_message_count: int
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history_assistant_message_count: int
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class ChatStatsExport(BaseModel):
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id: str
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user_id: str
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created_at: int
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updated_at: int
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tags: list[str] = []
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stats: AggregateChatStats
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chat: ChatBody
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class ChatTable:
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def _clean_null_bytes(self, obj):
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"""Recursively remove null bytes from strings in dict/list structures."""
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return sanitize_data_for_db(obj)
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def _sanitize_chat_row(self, chat_item):
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"""
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Clean a Chat SQLAlchemy model's title + chat JSON,
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and return True if anything changed.
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"""
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changed = False
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# Clean title
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if chat_item.title:
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cleaned = self._clean_null_bytes(chat_item.title)
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if cleaned != chat_item.title:
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chat_item.title = cleaned
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changed = True
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# Clean JSON
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if chat_item.chat:
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cleaned = self._clean_null_bytes(chat_item.chat)
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if cleaned != chat_item.chat:
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chat_item.chat = cleaned
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changed = True
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return changed
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def insert_new_chat(self, user_id: str, form_data: ChatForm, db: Optional[Session] = None) -> Optional[ChatModel]:
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with get_db_context(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': self._clean_null_bytes(
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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': self._clean_null_bytes(form_data.chat),
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'folder_id': form_data.folder_id,
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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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chat_item = Chat(**chat.model_dump())
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db.add(chat_item)
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db.commit()
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db.refresh(chat_item)
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# Dual-write initial messages to chat_message table
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try:
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history = form_data.chat.get('history', {})
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messages = history.get('messages', {})
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for message_id, message in messages.items():
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if isinstance(message, dict) and message.get('role'):
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ChatMessages.upsert_message(
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message_id=message_id,
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chat_id=id,
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user_id=user_id,
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data=message,
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)
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except Exception as e:
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log.warning(f'Failed to write initial messages to chat_message table: {e}')
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return ChatModel.model_validate(chat_item) if chat_item else None
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def _chat_import_form_to_chat_model(self, user_id: str, form_data: ChatImportForm) -> 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': self._clean_null_bytes(form_data.chat['title'] if 'title' in form_data.chat else 'New Chat'),
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'chat': self._clean_null_bytes(form_data.chat),
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'meta': form_data.meta,
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'pinned': form_data.pinned,
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'folder_id': form_data.folder_id,
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'created_at': (form_data.created_at if form_data.created_at else int(time.time())),
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'updated_at': (form_data.updated_at if form_data.updated_at else int(time.time())),
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}
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)
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return chat
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def import_chats(
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self,
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user_id: str,
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chat_import_forms: list[ChatImportForm],
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db: Optional[Session] = None,
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) -> list[ChatModel]:
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with get_db_context(db) as db:
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chats = []
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for form_data in chat_import_forms:
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chat = self._chat_import_form_to_chat_model(user_id, form_data)
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chats.append(Chat(**chat.model_dump()))
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db.add_all(chats)
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db.commit()
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# Dual-write messages to chat_message table
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try:
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for form_data, chat_obj in zip(chat_import_forms, chats):
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history = form_data.chat.get('history', {})
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messages = history.get('messages', {})
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for message_id, message in messages.items():
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if isinstance(message, dict) and message.get('role'):
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ChatMessages.upsert_message(
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message_id=message_id,
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chat_id=chat_obj.id,
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user_id=user_id,
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data=message,
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)
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except Exception as e:
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log.warning(f'Failed to write imported messages to chat_message table: {e}')
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return [ChatModel.model_validate(chat) for chat in chats]
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def update_chat_by_id(self, id: str, chat: dict, db: Optional[Session] = None) -> Optional[ChatModel]:
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try:
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with get_db_context(db) as db:
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chat_item = db.get(Chat, id)
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chat_item.chat = self._clean_null_bytes(chat)
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chat_item.title = self._clean_null_bytes(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 update_chat_title_by_id(self, id: str, title: str) -> Optional[ChatModel]:
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chat = self.get_chat_by_id(id)
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if chat is None:
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return None
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chat = chat.chat
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chat['title'] = title
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return self.update_chat_by_id(id, chat)
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def update_chat_tags_by_id(self, id: str, tags: list[str], user) -> Optional[ChatModel]:
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with get_db_context() as db:
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chat = db.get(Chat, id)
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if chat is None:
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return None
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old_tags = chat.meta.get('tags', [])
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new_tags = [t for t in tags if t.replace(' ', '_').lower() != 'none']
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new_tag_ids = [t.replace(' ', '_').lower() for t in new_tags]
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# Single meta update
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chat.meta = {**chat.meta, 'tags': new_tag_ids}
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db.commit()
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db.refresh(chat)
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# Batch-create any missing tag rows
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Tags.ensure_tags_exist(new_tags, user.id, db=db)
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# Clean up orphaned old tags in one query
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removed = set(old_tags) - set(new_tag_ids)
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if removed:
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self.delete_orphan_tags_for_user(list(removed), user.id, db=db)
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return ChatModel.model_validate(chat)
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def get_chat_title_by_id(self, id: str) -> Optional[str]:
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with get_db_context() as db:
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result = db.query(Chat.title).filter_by(id=id).first()
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if result is None:
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return None
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return result[0] or 'New Chat'
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def get_messages_map_by_chat_id(self, id: str) -> Optional[dict]:
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chat = self.get_chat_by_id(id)
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if chat is None:
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return None
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return chat.chat.get('history', {}).get('messages', {}) or {}
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def get_message_by_id_and_message_id(self, id: str, message_id: str) -> Optional[dict]:
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chat = self.get_chat_by_id(id)
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if chat is None:
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return None
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return chat.chat.get('history', {}).get('messages', {}).get(message_id, {})
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def upsert_message_to_chat_by_id_and_message_id(
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self, id: str, message_id: str, message: dict
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) -> Optional[ChatModel]:
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chat = self.get_chat_by_id(id)
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if chat is None:
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return None
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# Sanitize message content for null characters before upserting
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if isinstance(message.get('content'), str):
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message['content'] = sanitize_text_for_db(message['content'])
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user_id = chat.user_id
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chat = chat.chat
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history = chat.get('history', {})
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if message_id in history.get('messages', {}):
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history['messages'][message_id] = {
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**history['messages'][message_id],
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**message,
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}
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else:
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history['messages'][message_id] = message
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history['currentId'] = message_id
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chat['history'] = history
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# Dual-write to chat_message table
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try:
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ChatMessages.upsert_message(
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message_id=message_id,
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chat_id=id,
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user_id=user_id,
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data=history['messages'][message_id],
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)
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except Exception as e:
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log.warning(f'Failed to write to chat_message table: {e}')
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return self.update_chat_by_id(id, chat)
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def add_message_status_to_chat_by_id_and_message_id(
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self, id: str, message_id: str, status: dict
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) -> Optional[ChatModel]:
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chat = self.get_chat_by_id(id)
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if chat is None:
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return None
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chat = chat.chat
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history = chat.get('history', {})
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if message_id in history.get('messages', {}):
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status_history = history['messages'][message_id].get('statusHistory', [])
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status_history.append(status)
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history['messages'][message_id]['statusHistory'] = status_history
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chat['history'] = history
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return self.update_chat_by_id(id, chat)
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def add_message_files_by_id_and_message_id(self, id: str, message_id: str, files: list[dict]) -> list[dict]:
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with get_db_context() as db:
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chat = self.get_chat_by_id(id, db=db)
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if chat is None:
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return None
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chat = chat.chat
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history = chat.get('history', {})
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message_files = []
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if message_id in history.get('messages', {}):
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message_files = history['messages'][message_id].get('files', [])
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message_files = message_files + files
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history['messages'][message_id]['files'] = message_files
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chat['history'] = history
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self.update_chat_by_id(id, chat, db=db)
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return message_files
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def insert_shared_chat_by_chat_id(self, chat_id: str, db: Optional[Session] = None) -> Optional[ChatModel]:
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with get_db_context(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 chat exists
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if not chat:
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return None
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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', db=db)
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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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**{
|
|
'id': str(uuid.uuid4()),
|
|
'user_id': f'shared-{chat_id}',
|
|
'title': chat.title,
|
|
'chat': chat.chat,
|
|
'meta': chat.meta,
|
|
'pinned': chat.pinned,
|
|
'folder_id': chat.folder_id,
|
|
'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, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, chat_id)
|
|
shared_chat = db.query(Chat).filter_by(user_id=f'shared-{chat_id}').first()
|
|
|
|
if shared_chat is None:
|
|
return self.insert_shared_chat_by_chat_id(chat_id, db=db)
|
|
|
|
shared_chat.title = chat.title
|
|
shared_chat.chat = chat.chat
|
|
shared_chat.meta = chat.meta
|
|
shared_chat.pinned = chat.pinned
|
|
shared_chat.folder_id = chat.folder_id
|
|
shared_chat.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(shared_chat)
|
|
|
|
return ChatModel.model_validate(shared_chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def delete_shared_chat_by_chat_id(self, chat_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
# Use subquery to delete chat_messages for shared chats
|
|
shared_chat_id_subquery = db.query(Chat.id).filter_by(user_id=f'shared-{chat_id}').scalar_subquery()
|
|
db.query(ChatMessage).filter(ChatMessage.chat_id.in_(shared_chat_id_subquery)).delete(
|
|
synchronize_session=False
|
|
)
|
|
db.query(Chat).filter_by(user_id=f'shared-{chat_id}').delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def unarchive_all_chats_by_user_id(self, user_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
db.query(Chat).filter_by(user_id=user_id).update({'archived': False})
|
|
db.commit()
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def update_chat_share_id_by_id(
|
|
self, id: str, share_id: Optional[str], db: Optional[Session] = None
|
|
) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(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_pinned_by_id(self, id: str, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, id)
|
|
chat.pinned = not chat.pinned
|
|
chat.updated_at = int(time.time())
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def toggle_chat_archive_by_id(self, id: str, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, id)
|
|
chat.archived = not chat.archived
|
|
chat.folder_id = None
|
|
chat.updated_at = int(time.time())
|
|
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, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(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,
|
|
filter: Optional[dict] = None,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatTitleIdResponse]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=True)
|
|
|
|
if filter:
|
|
query_key = filter.get('query')
|
|
if query_key:
|
|
query = query.filter(Chat.title.ilike(f'%{query_key}%'))
|
|
|
|
order_by = filter.get('order_by')
|
|
direction = filter.get('direction')
|
|
|
|
if order_by and direction:
|
|
if not getattr(Chat, order_by, None):
|
|
raise ValueError('Invalid order_by field')
|
|
|
|
if direction.lower() == 'asc':
|
|
query = query.order_by(getattr(Chat, order_by).asc(), Chat.id)
|
|
elif direction.lower() == 'desc':
|
|
query = query.order_by(getattr(Chat, order_by).desc(), Chat.id)
|
|
else:
|
|
raise ValueError('Invalid direction for ordering')
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
query = query.with_entities(Chat.id, Chat.title, Chat.updated_at, Chat.created_at)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
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_shared_chat_list_by_user_id(
|
|
self,
|
|
user_id: str,
|
|
filter: Optional[dict] = None,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
db: Optional[Session] = None,
|
|
) -> list[SharedChatResponse]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id).filter(Chat.share_id.isnot(None))
|
|
|
|
if filter:
|
|
query_key = filter.get('query')
|
|
if query_key:
|
|
query = query.filter(Chat.title.ilike(f'%{query_key}%'))
|
|
|
|
order_by = filter.get('order_by')
|
|
direction = filter.get('direction')
|
|
|
|
if order_by and direction:
|
|
if not getattr(Chat, order_by, None):
|
|
raise ValueError('Invalid order_by field')
|
|
|
|
if direction.lower() == 'asc':
|
|
query = query.order_by(getattr(Chat, order_by).asc(), Chat.id)
|
|
elif direction.lower() == 'desc':
|
|
query = query.order_by(getattr(Chat, order_by).desc(), Chat.id)
|
|
else:
|
|
raise ValueError('Invalid direction for ordering')
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
# Select only the columns needed for SharedChatResponse
|
|
# to avoid loading the heavy chat JSON blob
|
|
query = query.with_entities(
|
|
Chat.id,
|
|
Chat.title,
|
|
Chat.share_id,
|
|
Chat.updated_at,
|
|
Chat.created_at,
|
|
)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
return [
|
|
SharedChatResponse.model_validate(
|
|
{
|
|
'id': chat[0],
|
|
'title': chat[1],
|
|
'share_id': chat[2],
|
|
'updated_at': chat[3],
|
|
'created_at': chat[4],
|
|
}
|
|
)
|
|
for chat in all_chats
|
|
]
|
|
|
|
def get_chat_list_by_user_id(
|
|
self,
|
|
user_id: str,
|
|
include_archived: bool = False,
|
|
filter: Optional[dict] = None,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatModel]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
if not include_archived:
|
|
query = query.filter_by(archived=False)
|
|
|
|
if filter:
|
|
query_key = filter.get('query')
|
|
if query_key:
|
|
query = query.filter(Chat.title.ilike(f'%{query_key}%'))
|
|
|
|
order_by = filter.get('order_by')
|
|
direction = filter.get('direction')
|
|
|
|
if order_by and direction and getattr(Chat, order_by):
|
|
if direction.lower() == 'asc':
|
|
query = query.order_by(getattr(Chat, order_by).asc(), Chat.id)
|
|
elif direction.lower() == 'desc':
|
|
query = query.order_by(getattr(Chat, order_by).desc(), Chat.id)
|
|
else:
|
|
raise ValueError('Invalid direction for ordering')
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.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,
|
|
include_folders: bool = False,
|
|
include_pinned: bool = False,
|
|
skip: Optional[int] = None,
|
|
limit: Optional[int] = None,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatTitleIdResponse]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
|
|
if not include_folders:
|
|
query = query.filter_by(folder_id=None)
|
|
|
|
if not include_pinned:
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
|
|
if not include_archived:
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id).with_entities(
|
|
Chat.id, Chat.title, Chat.updated_at, Chat.created_at
|
|
)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
|
|
# result has to be destructured 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,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatModel]:
|
|
with get_db_context(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, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat_item = db.get(Chat, id)
|
|
if chat_item is None:
|
|
return None
|
|
|
|
if self._sanitize_chat_row(chat_item):
|
|
db.commit()
|
|
db.refresh(chat_item)
|
|
|
|
return ChatModel.model_validate(chat_item)
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_by_share_id(self, id: str, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
# it is possible that the shared link was deleted. hence,
|
|
# we check if the chat is still shared by checking if a chat with the share_id exists
|
|
chat = db.query(Chat).filter_by(share_id=id).first()
|
|
|
|
if chat:
|
|
return self.get_chat_by_id(id, db=db)
|
|
else:
|
|
return None
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_by_id_and_user_id(self, id: str, user_id: str, db: Optional[Session] = None) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(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 is_chat_owner(self, id: str, user_id: str, db: Optional[Session] = None) -> bool:
|
|
"""
|
|
Lightweight ownership check — uses EXISTS subquery instead of loading
|
|
the full Chat row (which includes the potentially large JSON blob).
|
|
"""
|
|
try:
|
|
with get_db_context(db) as db:
|
|
return db.query(exists().where(and_(Chat.id == id, Chat.user_id == user_id))).scalar()
|
|
except Exception:
|
|
return False
|
|
|
|
def get_chat_folder_id(self, id: str, user_id: str, db: Optional[Session] = None) -> Optional[str]:
|
|
"""
|
|
Fetch only the folder_id column for a chat, without loading the full
|
|
JSON blob. Returns None if chat doesn't exist or doesn't belong to user.
|
|
"""
|
|
try:
|
|
with get_db_context(db) as db:
|
|
result = db.query(Chat.folder_id).filter_by(id=id, user_id=user_id).first()
|
|
return result[0] if result else None
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chats(self, skip: int = 0, limit: int = 50, db: Optional[Session] = None) -> list[ChatModel]:
|
|
with get_db_context(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,
|
|
filter: Optional[dict] = None,
|
|
skip: Optional[int] = None,
|
|
limit: Optional[int] = None,
|
|
db: Optional[Session] = None,
|
|
) -> ChatListResponse:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
|
|
if filter:
|
|
if filter.get('updated_at'):
|
|
query = query.filter(Chat.updated_at > filter.get('updated_at'))
|
|
|
|
order_by = filter.get('order_by')
|
|
direction = filter.get('direction')
|
|
|
|
if order_by and direction:
|
|
if hasattr(Chat, order_by):
|
|
if direction.lower() == 'asc':
|
|
query = query.order_by(getattr(Chat, order_by).asc(), Chat.id)
|
|
elif direction.lower() == 'desc':
|
|
query = query.order_by(getattr(Chat, order_by).desc(), Chat.id)
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
else:
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
total = query.count()
|
|
|
|
if skip is not None:
|
|
query = query.offset(skip)
|
|
if limit is not None:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
|
|
return ChatListResponse(
|
|
**{
|
|
'items': [ChatModel.model_validate(chat) for chat in all_chats],
|
|
'total': total,
|
|
}
|
|
)
|
|
|
|
def get_pinned_chats_by_user_id(self, user_id: str, db: Optional[Session] = None) -> list[ChatTitleIdResponse]:
|
|
with get_db_context(db) as db:
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.filter_by(user_id=user_id, pinned=True, archived=False)
|
|
.order_by(Chat.updated_at.desc())
|
|
.with_entities(Chat.id, Chat.title, Chat.updated_at, Chat.created_at)
|
|
)
|
|
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_archived_chats_by_user_id(self, user_id: str, db: Optional[Session] = None) -> list[ChatModel]:
|
|
with get_db_context(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 get_chats_by_user_id_and_search_text(
|
|
self,
|
|
user_id: str,
|
|
search_text: str,
|
|
include_archived: bool = False,
|
|
skip: int = 0,
|
|
limit: int = 60,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatModel]:
|
|
"""
|
|
Filters chats based on a search query using Python, allowing pagination using skip and limit.
|
|
"""
|
|
search_text = sanitize_text_for_db(search_text).lower().strip()
|
|
|
|
if not search_text:
|
|
return self.get_chat_list_by_user_id(user_id, include_archived, filter={}, skip=skip, limit=limit, db=db)
|
|
|
|
search_text_words = search_text.split(' ')
|
|
|
|
# search_text might contain 'tag:tag_name' format so we need to extract the tag_name, split the search_text and remove the tags
|
|
tag_ids = [
|
|
word.replace('tag:', '').replace(' ', '_').lower() for word in search_text_words if word.startswith('tag:')
|
|
]
|
|
|
|
# Extract folder names - handle spaces and case insensitivity
|
|
folders = Folders.search_folders_by_names(
|
|
user_id,
|
|
[word.replace('folder:', '') for word in search_text_words if word.startswith('folder:')],
|
|
)
|
|
folder_ids = [folder.id for folder in folders]
|
|
|
|
is_pinned = None
|
|
if 'pinned:true' in search_text_words:
|
|
is_pinned = True
|
|
elif 'pinned:false' in search_text_words:
|
|
is_pinned = False
|
|
|
|
is_archived = None
|
|
if 'archived:true' in search_text_words:
|
|
is_archived = True
|
|
elif 'archived:false' in search_text_words:
|
|
is_archived = False
|
|
|
|
is_shared = None
|
|
if 'shared:true' in search_text_words:
|
|
is_shared = True
|
|
elif 'shared:false' in search_text_words:
|
|
is_shared = False
|
|
|
|
search_text_words = [
|
|
word
|
|
for word in search_text_words
|
|
if (
|
|
not word.startswith('tag:')
|
|
and not word.startswith('folder:')
|
|
and not word.startswith('pinned:')
|
|
and not word.startswith('archived:')
|
|
and not word.startswith('shared:')
|
|
)
|
|
]
|
|
|
|
search_text = ' '.join(search_text_words)
|
|
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter(Chat.user_id == user_id)
|
|
|
|
if is_archived is not None:
|
|
query = query.filter(Chat.archived == is_archived)
|
|
elif not include_archived:
|
|
query = query.filter(Chat.archived == False)
|
|
|
|
if is_pinned is not None:
|
|
query = query.filter(Chat.pinned == is_pinned)
|
|
|
|
if is_shared is not None:
|
|
if is_shared:
|
|
query = query.filter(Chat.share_id.isnot(None))
|
|
else:
|
|
query = query.filter(Chat.share_id.is_(None))
|
|
|
|
if folder_ids:
|
|
query = query.filter(Chat.folder_id.in_(folder_ids))
|
|
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
# Check if the database dialect is either 'sqlite' or 'postgresql'
|
|
dialect_name = db.bind.dialect.name
|
|
if dialect_name == 'sqlite':
|
|
# SQLite case: using JSON1 extension for JSON searching
|
|
sqlite_content_sql = (
|
|
'EXISTS ('
|
|
' SELECT 1 '
|
|
" FROM json_each(Chat.chat, '$.messages') AS message "
|
|
" WHERE LOWER(message.value->>'content') LIKE '%' || :content_key || '%'"
|
|
')'
|
|
)
|
|
sqlite_content_clause = text(sqlite_content_sql)
|
|
query = query.filter(
|
|
or_(Chat.title.ilike(bindparam('title_key')), sqlite_content_clause).params(
|
|
title_key=f'%{search_text}%', content_key=search_text
|
|
)
|
|
)
|
|
|
|
# Check if there are any tags to filter, it should have all the tags
|
|
if 'none' in tag_ids:
|
|
query = query.filter(
|
|
text("""
|
|
NOT EXISTS (
|
|
SELECT 1
|
|
FROM json_each(Chat.meta, '$.tags') AS tag
|
|
)
|
|
""")
|
|
)
|
|
elif tag_ids:
|
|
query = query.filter(
|
|
and_(
|
|
*[
|
|
text(f"""
|
|
EXISTS (
|
|
SELECT 1
|
|
FROM json_each(Chat.meta, '$.tags') AS tag
|
|
WHERE tag.value = :tag_id_{tag_idx}
|
|
)
|
|
""").params(**{f'tag_id_{tag_idx}': tag_id})
|
|
for tag_idx, tag_id in enumerate(tag_ids)
|
|
]
|
|
)
|
|
)
|
|
|
|
elif dialect_name == 'postgresql':
|
|
# PostgreSQL doesn't allow null bytes in text. We filter those out by checking
|
|
# the JSON representation for \u0000 before attempting text extraction
|
|
|
|
# Safety filter: JSON field must not contain \u0000
|
|
query = query.filter(text("Chat.chat::text NOT LIKE '%\\\\u0000%'"))
|
|
|
|
# Safety filter: title must not contain actual null bytes
|
|
query = query.filter(text("Chat.title::text NOT LIKE '%\\x00%'"))
|
|
|
|
postgres_content_sql = """
|
|
EXISTS (
|
|
SELECT 1
|
|
FROM json_array_elements(Chat.chat->'messages') AS message
|
|
WHERE json_typeof(message->'content') = 'string'
|
|
AND LOWER(message->>'content') LIKE '%' || :content_key || '%'
|
|
)
|
|
"""
|
|
|
|
postgres_content_clause = text(postgres_content_sql)
|
|
|
|
query = query.filter(
|
|
or_(
|
|
Chat.title.ilike(bindparam('title_key')),
|
|
postgres_content_clause,
|
|
)
|
|
).params(title_key=f'%{search_text}%', content_key=search_text.lower())
|
|
|
|
# Check if there are any tags to filter, it should have all the tags
|
|
if 'none' in tag_ids:
|
|
query = query.filter(
|
|
text("""
|
|
NOT EXISTS (
|
|
SELECT 1
|
|
FROM json_array_elements_text(Chat.meta->'tags') AS tag
|
|
)
|
|
""")
|
|
)
|
|
elif tag_ids:
|
|
query = query.filter(
|
|
and_(
|
|
*[
|
|
text(f"""
|
|
EXISTS (
|
|
SELECT 1
|
|
FROM json_array_elements_text(Chat.meta->'tags') AS tag
|
|
WHERE tag = :tag_id_{tag_idx}
|
|
)
|
|
""").params(**{f'tag_id_{tag_idx}': tag_id})
|
|
for tag_idx, tag_id in enumerate(tag_ids)
|
|
]
|
|
)
|
|
)
|
|
else:
|
|
raise NotImplementedError(f'Unsupported dialect: {db.bind.dialect.name}')
|
|
|
|
# Perform pagination at the SQL level
|
|
all_chats = query.offset(skip).limit(limit).all()
|
|
|
|
log.info(f'The number of chats: {len(all_chats)}')
|
|
|
|
# Validate and return chats
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_folder_id_and_user_id(
|
|
self,
|
|
folder_id: str,
|
|
user_id: str,
|
|
skip: int = 0,
|
|
limit: int = 60,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatModel]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(folder_id=folder_id, user_id=user_id)
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc(), Chat.id)
|
|
|
|
if skip:
|
|
query = query.offset(skip)
|
|
if limit:
|
|
query = query.limit(limit)
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def get_chats_by_folder_ids_and_user_id(
|
|
self, folder_ids: list[str], user_id: str, db: Optional[Session] = None
|
|
) -> list[ChatModel]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter(Chat.folder_id.in_(folder_ids), Chat.user_id == user_id)
|
|
query = query.filter(or_(Chat.pinned == False, Chat.pinned == None))
|
|
query = query.filter_by(archived=False)
|
|
|
|
query = query.order_by(Chat.updated_at.desc())
|
|
|
|
all_chats = query.all()
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
def update_chat_folder_id_by_id_and_user_id(
|
|
self, id: str, user_id: str, folder_id: str, db: Optional[Session] = None
|
|
) -> Optional[ChatModel]:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, id)
|
|
chat.folder_id = folder_id
|
|
chat.updated_at = int(time.time())
|
|
chat.pinned = False
|
|
db.commit()
|
|
db.refresh(chat)
|
|
return ChatModel.model_validate(chat)
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_tags_by_id_and_user_id(self, id: str, user_id: str, db: Optional[Session] = None) -> list[TagModel]:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, id)
|
|
tag_ids = chat.meta.get('tags', [])
|
|
return Tags.get_tags_by_ids_and_user_id(tag_ids, user_id, db=db)
|
|
|
|
def get_chat_list_by_user_id_and_tag_name(
|
|
self,
|
|
user_id: str,
|
|
tag_name: str,
|
|
skip: int = 0,
|
|
limit: int = 50,
|
|
db: Optional[Session] = None,
|
|
) -> list[ChatModel]:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
tag_id = tag_name.replace(' ', '_').lower()
|
|
|
|
log.info(f'DB dialect name: {db.bind.dialect.name}')
|
|
if db.bind.dialect.name == 'sqlite':
|
|
# SQLite JSON1 querying for tags within 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 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()
|
|
log.debug(f'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, db: Optional[Session] = None
|
|
) -> Optional[ChatModel]:
|
|
tag_id = tag_name.replace(' ', '_').lower()
|
|
Tags.ensure_tags_exist([tag_name], user_id, db=db)
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat = db.get(Chat, 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, db: Optional[Session] = None) -> int:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id, archived=False)
|
|
tag_id = tag_name.replace(' ', '_').lower()
|
|
|
|
if db.bind.dialect.name == 'sqlite':
|
|
query = query.filter(
|
|
text("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':
|
|
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}')
|
|
|
|
return query.count()
|
|
|
|
def delete_orphan_tags_for_user(
|
|
self,
|
|
tag_ids: list[str],
|
|
user_id: str,
|
|
threshold: int = 0,
|
|
db: Optional[Session] = None,
|
|
) -> None:
|
|
"""Delete tag rows from *tag_ids* that appear in at most *threshold*
|
|
non-archived chats for *user_id*. One query to find orphans, one to
|
|
delete them.
|
|
|
|
Use threshold=0 after a tag is already removed from a chat's meta.
|
|
Use threshold=1 when the chat itself is about to be deleted (the
|
|
referencing chat still exists at query time).
|
|
"""
|
|
if not tag_ids:
|
|
return
|
|
with get_db_context(db) as db:
|
|
orphans = []
|
|
for tag_id in tag_ids:
|
|
count = self.count_chats_by_tag_name_and_user_id(tag_id, user_id, db=db)
|
|
if count <= threshold:
|
|
orphans.append(tag_id)
|
|
Tags.delete_tags_by_ids_and_user_id(orphans, user_id, db=db)
|
|
|
|
def count_chats_by_folder_id_and_user_id(self, folder_id: str, user_id: str, db: Optional[Session] = None) -> int:
|
|
with get_db_context(db) as db:
|
|
query = db.query(Chat).filter_by(user_id=user_id)
|
|
|
|
query = query.filter_by(folder_id=folder_id)
|
|
count = query.count()
|
|
|
|
log.info(f"Count of chats for folder '{folder_id}': {count}")
|
|
return count
|
|
|
|
def delete_tag_by_id_and_user_id_and_tag_name(
|
|
self, id: str, user_id: str, tag_name: str, db: Optional[Session] = None
|
|
) -> bool:
|
|
try:
|
|
with get_db_context(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, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(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, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
db.query(ChatMessage).filter_by(chat_id=id).delete()
|
|
db.query(Chat).filter_by(id=id).delete()
|
|
db.commit()
|
|
|
|
return True and self.delete_shared_chat_by_chat_id(id, db=db)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chat_by_id_and_user_id(self, id: str, user_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
db.query(ChatMessage).filter_by(chat_id=id).delete()
|
|
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, db=db)
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chats_by_user_id(self, user_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
self.delete_shared_chats_by_user_id(user_id, db=db)
|
|
|
|
chat_id_subquery = db.query(Chat.id).filter_by(user_id=user_id).subquery()
|
|
db.query(ChatMessage).filter(ChatMessage.chat_id.in_(chat_id_subquery)).delete(
|
|
synchronize_session=False
|
|
)
|
|
db.query(Chat).filter_by(user_id=user_id).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_chats_by_user_id_and_folder_id(self, user_id: str, folder_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
chat_id_subquery = db.query(Chat.id).filter_by(user_id=user_id, folder_id=folder_id).subquery()
|
|
db.query(ChatMessage).filter(ChatMessage.chat_id.in_(chat_id_subquery)).delete(
|
|
synchronize_session=False
|
|
)
|
|
db.query(Chat).filter_by(user_id=user_id, folder_id=folder_id).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def move_chats_by_user_id_and_folder_id(
|
|
self,
|
|
user_id: str,
|
|
folder_id: str,
|
|
new_folder_id: Optional[str],
|
|
db: Optional[Session] = None,
|
|
) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
db.query(Chat).filter_by(user_id=user_id, folder_id=folder_id).update({'folder_id': new_folder_id})
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def delete_shared_chats_by_user_id(self, user_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(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]
|
|
|
|
# Use subquery to delete chat_messages for shared chats
|
|
shared_id_subq = db.query(Chat.id).filter(Chat.user_id.in_(shared_chat_ids)).subquery()
|
|
db.query(ChatMessage).filter(ChatMessage.chat_id.in_(shared_id_subq)).delete(synchronize_session=False)
|
|
db.query(Chat).filter(Chat.user_id.in_(shared_chat_ids)).delete()
|
|
db.commit()
|
|
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def insert_chat_files(
|
|
self,
|
|
chat_id: str,
|
|
message_id: str,
|
|
file_ids: list[str],
|
|
user_id: str,
|
|
db: Optional[Session] = None,
|
|
) -> Optional[list[ChatFileModel]]:
|
|
if not file_ids:
|
|
return None
|
|
|
|
chat_message_file_ids = [
|
|
item.id for item in self.get_chat_files_by_chat_id_and_message_id(chat_id, message_id, db=db)
|
|
]
|
|
# Remove duplicates and existing file_ids
|
|
file_ids = list(set([file_id for file_id in file_ids if file_id and file_id not in chat_message_file_ids]))
|
|
if not file_ids:
|
|
return None
|
|
|
|
try:
|
|
with get_db_context(db) as db:
|
|
now = int(time.time())
|
|
|
|
chat_files = [
|
|
ChatFileModel(
|
|
id=str(uuid.uuid4()),
|
|
user_id=user_id,
|
|
chat_id=chat_id,
|
|
message_id=message_id,
|
|
file_id=file_id,
|
|
created_at=now,
|
|
updated_at=now,
|
|
)
|
|
for file_id in file_ids
|
|
]
|
|
|
|
results = [ChatFile(**chat_file.model_dump()) for chat_file in chat_files]
|
|
|
|
db.add_all(results)
|
|
db.commit()
|
|
|
|
return chat_files
|
|
except Exception:
|
|
return None
|
|
|
|
def get_chat_files_by_chat_id_and_message_id(
|
|
self, chat_id: str, message_id: str, db: Optional[Session] = None
|
|
) -> list[ChatFileModel]:
|
|
with get_db_context(db) as db:
|
|
all_chat_files = (
|
|
db.query(ChatFile)
|
|
.filter_by(chat_id=chat_id, message_id=message_id)
|
|
.order_by(ChatFile.created_at.asc())
|
|
.all()
|
|
)
|
|
return [ChatFileModel.model_validate(chat_file) for chat_file in all_chat_files]
|
|
|
|
def delete_chat_file(self, chat_id: str, file_id: str, db: Optional[Session] = None) -> bool:
|
|
try:
|
|
with get_db_context(db) as db:
|
|
db.query(ChatFile).filter_by(chat_id=chat_id, file_id=file_id).delete()
|
|
db.commit()
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
def get_shared_chats_by_file_id(self, file_id: str, db: Optional[Session] = None) -> list[ChatModel]:
|
|
with get_db_context(db) as db:
|
|
# Join Chat and ChatFile tables to get shared chats associated with the file_id
|
|
all_chats = (
|
|
db.query(Chat)
|
|
.join(ChatFile, Chat.id == ChatFile.chat_id)
|
|
.filter(ChatFile.file_id == file_id, Chat.share_id.isnot(None))
|
|
.all()
|
|
)
|
|
|
|
return [ChatModel.model_validate(chat) for chat in all_chats]
|
|
|
|
|
|
Chats = ChatTable()
|