315 lines
12 KiB
Python
315 lines
12 KiB
Python
from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy.orm import Session
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from typing import List
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from core.database import get_db
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from modules.auth.dependencies import get_current_user
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from modules.auth.models import User
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from modules.nlp.service import (
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process_request,
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ask_ai,
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save_chat_message,
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get_chat_history,
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MessageSender,
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)
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from modules.nlp.schemas import ProcessCommandRequest, ProcessCommandResponse
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from modules.calendar.service import (
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create_calendar_event,
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get_calendar_events,
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update_calendar_event,
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delete_calendar_event,
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)
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from modules.calendar.models import CalendarEvent
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from modules.calendar.schemas import CalendarEventCreate, CalendarEventUpdate
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from modules.todo import service as todo_service
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from modules.todo.models import Todo
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from modules.todo.schemas import TodoCreate, TodoUpdate
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from pydantic import BaseModel
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from datetime import datetime
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class ChatMessageResponse(BaseModel):
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id: int
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sender: MessageSender
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text: str
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timestamp: datetime
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class Config:
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from_attributes = True
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router = APIRouter(prefix="/nlp", tags=["nlp"])
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def format_calendar_events(events: List[CalendarEvent]) -> List[str]:
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if not events:
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return ["You have no events matching that criteria."]
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formatted = ["Here are the events:"]
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for event in events:
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start_str = (
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event.start.strftime("%Y-%m-%d %H:%M") if event.start else "No start time"
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)
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end_str = event.end.strftime("%H:%M") if event.end else ""
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title = event.title or "Untitled Event"
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formatted.append(f"- {title} ({start_str}{' - ' + end_str if end_str else ''})")
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return formatted
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def format_todos(todos: List[Todo]) -> List[str]:
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if not todos:
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return ["Your TODO list is empty."]
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formatted = ["Here is your TODO list:"]
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for todo in todos:
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status = "[X]" if todo.complete else "[ ]"
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date_str = f" (Due: {todo.date.strftime('%Y-%m-%d')})" if todo.date else ""
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remind_str = " (Reminder)" if todo.remind else ""
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formatted.append(
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f"- {status} {todo.task}{date_str}{remind_str} (ID: {todo.id})"
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)
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return formatted
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@router.post("/process-command", response_model=ProcessCommandResponse)
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def process_command(
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request_data: ProcessCommandRequest,
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current_user: User = Depends(get_current_user),
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db: Session = Depends(get_db),
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):
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"""
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Process the user command, save messages, execute action, save response, and return user-friendly responses.
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"""
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user_input = request_data.user_input
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.USER, text=user_input
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)
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command_data = process_request(user_input)
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intent = command_data["intent"]
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params = command_data["params"]
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response_text = command_data["response_text"]
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responses = [response_text]
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.AI, text=response_text
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)
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if intent == "error":
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return ProcessCommandResponse(responses=responses)
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if intent == "clarification_needed" or intent == "unknown":
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return ProcessCommandResponse(responses=responses)
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try:
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match intent:
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case "ask_ai":
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ai_answer = ask_ai(**params)
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responses.append(ai_answer)
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.AI, text=ai_answer
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)
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return ProcessCommandResponse(responses=responses)
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case "get_calendar_events":
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events: List[CalendarEvent] = get_calendar_events(
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db, current_user.id, **params
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)
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formatted_responses = format_calendar_events(events)
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responses.extend(formatted_responses)
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for resp in formatted_responses:
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.AI, text=resp
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)
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return ProcessCommandResponse(responses=responses)
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case "add_calendar_event":
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event_data = CalendarEventCreate(**params)
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created_event = create_calendar_event(db, current_user.id, event_data)
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start_str = (
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created_event.start.strftime("%Y-%m-%d %H:%M")
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if created_event.start
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else "No start time"
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)
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title = created_event.title or "Untitled Event"
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add_response = f"Added: {title} starting at {start_str}."
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responses.append(add_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=add_response,
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)
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return ProcessCommandResponse(responses=responses)
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case "update_calendar_event":
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event_id = params.pop("event_id", None)
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if event_id is None:
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error_msg = "Event ID is required for update."
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=error_msg,
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)
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raise HTTPException(status_code=400, detail=error_msg)
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event_data = CalendarEventUpdate(**params)
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updated_event = update_calendar_event(
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db, current_user.id, event_id, event_data=event_data
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)
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title = updated_event.title or "Untitled Event"
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update_response = f"Updated event ID {updated_event.id}: {title}."
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responses.append(update_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=update_response,
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)
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return ProcessCommandResponse(responses=responses)
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case "delete_calendar_event":
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event_id = params.get("event_id")
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if event_id is None:
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error_msg = "Event ID is required for delete."
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=error_msg,
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)
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raise HTTPException(status_code=400, detail=error_msg)
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delete_calendar_event(db, current_user.id, event_id)
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delete_response = f"Deleted event ID {event_id}."
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responses.append(delete_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=delete_response,
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)
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return ProcessCommandResponse(responses=responses)
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case "get_todos":
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todos: List[Todo] = todo_service.get_todos(
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db, user=current_user, **params
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)
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formatted_responses = format_todos(todos)
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responses.extend(formatted_responses)
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for resp in formatted_responses:
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.AI, text=resp
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)
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return ProcessCommandResponse(responses=responses)
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case "add_todo":
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todo_data = TodoCreate(**params)
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created_todo = todo_service.create_todo(
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db, todo=todo_data, user=current_user
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)
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add_response = (
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f"Added TODO: '{created_todo.task}' (ID: {created_todo.id})."
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)
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responses.append(add_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=add_response,
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)
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return ProcessCommandResponse(responses=responses)
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case "update_todo":
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todo_id = params.pop("todo_id", None)
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if todo_id is None:
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error_msg = "TODO ID is required for update."
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=error_msg,
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)
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raise HTTPException(status_code=400, detail=error_msg)
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todo_data = TodoUpdate(**params)
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updated_todo = todo_service.update_todo(
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db, todo_id=todo_id, todo_update=todo_data, user=current_user
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)
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update_response = (
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f"Updated TODO ID {updated_todo.id}: '{updated_todo.task}'."
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)
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if "complete" in params:
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status = "complete" if params["complete"] else "incomplete"
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update_response += f" Marked as {status}."
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responses.append(update_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=update_response,
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)
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return ProcessCommandResponse(responses=responses)
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case "delete_todo":
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todo_id = params.get("todo_id")
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if todo_id is None:
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error_msg = "TODO ID is required for delete."
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=error_msg,
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)
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raise HTTPException(status_code=400, detail=error_msg)
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deleted_todo = todo_service.delete_todo(
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db, todo_id=todo_id, user=current_user
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)
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delete_response = (
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f"Deleted TODO ID {deleted_todo.id}: '{deleted_todo.task}'."
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)
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responses.append(delete_response)
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=delete_response,
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)
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return ProcessCommandResponse(responses=responses)
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case _:
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print(
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f"Warning: Unhandled intent '{intent}' reached api.py match statement."
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)
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return ProcessCommandResponse(responses=responses)
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except HTTPException as http_exc:
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if http_exc.status_code != 400 or ("event_id" not in http_exc.detail.lower()):
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save_chat_message(
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db,
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user_id=current_user.id,
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sender=MessageSender.AI,
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text=http_exc.detail,
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)
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raise http_exc
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except Exception as e:
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print(f"Error executing intent '{intent}': {e}")
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error_response = (
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"Sorry, I encountered an error while trying to perform that action."
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)
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save_chat_message(
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db, user_id=current_user.id, sender=MessageSender.AI, text=error_response
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)
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return ProcessCommandResponse(responses=[error_response])
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@router.get("/history", response_model=List[ChatMessageResponse])
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def read_chat_history(
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current_user: User = Depends(get_current_user), db: Session = Depends(get_db)
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):
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"""Retrieves the last 50 chat messages for the current user."""
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history = get_chat_history(db, user_id=current_user.id, limit=50)
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return history
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