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from pydantic import BaseModel, ConfigDict
from typing import List, 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:
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:
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:
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:
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:
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_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:
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:
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:
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:
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:
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:
return False
Chats = ChatTable()
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