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from app.backend.models.users import User, get_user_chats
from app.backend.models.chats import (
new_chat,
get_chat_by_id,
get_chats_by_user_id,
refresh_title,
)
from app.backend.models.messages import get_messages_by_chat_id, Message
from app.settings import BASE_DIR
from fastapi import HTTPException
from datetime import datetime, timedelta
import os
def create_new_chat(title: str | None, user: User) -> dict:
chat_id = new_chat(title, user)
try:
path_to_chat = os.path.join(
BASE_DIR,
"chats_storage",
f"user_id={user.id}",
f"chat_id={chat_id}",
"documents",
)
os.makedirs(path_to_chat, exist_ok=True)
except Exception as e:
print(e)
raise HTTPException(500, "Unable to create a new chat")
return {"url": f"/chats/id={chat_id}", "chat_id": chat_id}
def dump_messages_dict(messages: list[Message], dst: dict) -> None:
history = []
for message in messages:
history.append({"role": message.sender, "content": message.content})
print(message.sender, message.content[:100])
dst.update({"history": history})
def get_chat_with_messages(id: int) -> dict:
response = {"chat_id": id}
chat = get_chat_by_id(id=id)
if chat is None:
raise HTTPException(418, f"Invalid chat id. Chat with id={id} does not exists!")
messages = get_messages_by_chat_id(id=id)
dump_messages_dict(messages, response)
return response
def create_dict_from_chat(chat) -> dict:
return {"id": chat.id, "title": chat.title}
def list_user_chats(user_id: int) -> list[dict]:
current_date = datetime.now()
today = []
last_week = []
last_month = []
other = []
chats = get_chats_by_user_id(user_id)
for chat in chats:
if current_date - timedelta(days=1) <= chat.created_at:
today.append(chat)
elif current_date - timedelta(weeks=1) <= chat.created_at:
last_week.append(chat)
elif current_date - timedelta(weeks=4) <= chat.created_at:
last_month.append(chat)
else:
other.append(chat)
result = []
# da da eto ochen ploho ...
if len(today):
result.append(
{"title": "TODAY", "chats": [create_dict_from_chat(chat) for chat in today]}
)
if len(last_week):
result.append(
{
"title": "LAST WEEK",
"chats": [create_dict_from_chat(chat) for chat in last_week],
}
)
if len(last_month):
result.append(
{
"title": "LAST MONTH",
"chats": [create_dict_from_chat(chat) for chat in last_month],
}
)
if len(other):
result.append(
{"title": "LATER", "chats": [create_dict_from_chat(chat) for chat in other]}
)
return result
def verify_ownership_rights(user: User, chat_id: int) -> bool:
return chat_id in [chat.id for chat in get_user_chats(user)]
def update_title(chat_id: int) -> bool:
return refresh_title(chat_id)
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