239 lines
12 KiB
Python
239 lines
12 KiB
Python
# modules/nlp/api.py
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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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# Import the new service functions and Enum
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from modules.nlp.service import process_request, ask_ai, save_chat_message, get_chat_history, MessageSender
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# Import the response schema and the new ChatMessage model for response type hinting
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from modules.nlp.schemas import ProcessCommandRequest, ProcessCommandResponse
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from modules.nlp.models import ChatMessage # Import ChatMessage model
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from modules.calendar.service import create_calendar_event, get_calendar_events, update_calendar_event, delete_calendar_event
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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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# Import TODO services, schemas, and model
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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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router = APIRouter(prefix="/nlp", tags=["nlp"])
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# Helper to format calendar events (expects list of CalendarEvent models)
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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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# Access attributes directly from the model instance
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start_str = event.start.strftime("%Y-%m-%d %H:%M") if event.start else "No start time"
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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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# Helper to format TODO items (expects list of Todo models)
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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(f"- {status} {todo.task}{date_str}{remind_str} (ID: {todo.id})")
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return formatted
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# Update the response model for the endpoint
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@router.post("/process-command", response_model=ProcessCommandResponse)
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def process_command(request_data: ProcessCommandRequest, current_user: User = Depends(get_current_user), db: Session = Depends(get_db)):
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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 User Message ---
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save_chat_message(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] # Start with the initial response
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# --- Save Initial AI Response ---
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# Save the first response generated by process_request
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save_chat_message(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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# Don't raise HTTPException here if we want to save the error message
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# Instead, return the error response directly
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# save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=response_text) # Already saved above
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return ProcessCommandResponse(responses=responses)
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if intent == "clarification_needed" or intent == "unknown":
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# save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=response_text) # Already saved above
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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 Additional AI Response ---
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save_chat_message(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(db, current_user.id, **params)
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formatted_responses = format_calendar_events(events)
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responses.extend(formatted_responses)
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# --- Save Additional AI Responses ---
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for resp in formatted_responses:
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save_chat_message(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 = created_event.start.strftime("%Y-%m-%d %H:%M") if created_event.start else "No start time"
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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 Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, 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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# Save the error message before raising
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error_msg = "Event ID is required for update."
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=error_msg)
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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(db, current_user.id, event_id, event_data=event_data)
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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 Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, 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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# Save the error message before raising
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error_msg = "Event ID is required for delete."
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=error_msg)
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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 Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=delete_response)
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# ---------------------------------
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return ProcessCommandResponse(responses=responses)
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# --- Add TODO Cases ---
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case "get_todos":
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todos: List[Todo] = todo_service.get_todos(db, user=current_user, **params)
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formatted_responses = format_todos(todos)
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responses.extend(formatted_responses)
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# --- Save Additional AI Responses ---
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for resp in formatted_responses:
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save_chat_message(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(db, todo=todo_data, user=current_user)
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add_response = f"Added TODO: '{created_todo.task}' (ID: {created_todo.id})."
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responses.append(add_response)
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# --- Save Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, 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(db, user_id=current_user.id, sender=MessageSender.AI, text=error_msg)
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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(db, todo_id=todo_id, todo_update=todo_data, user=current_user)
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update_response = f"Updated TODO ID {updated_todo.id}: '{updated_todo.task}'."
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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 Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, 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(db, user_id=current_user.id, sender=MessageSender.AI, text=error_msg)
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raise HTTPException(status_code=400, detail=error_msg)
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deleted_todo = todo_service.delete_todo(db, todo_id=todo_id, user=current_user)
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delete_response = f"Deleted TODO ID {deleted_todo.id}: '{deleted_todo.task}'."
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responses.append(delete_response)
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# --- Save Additional AI Response ---
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save_chat_message(db, user_id=current_user.id, sender=MessageSender.AI, text=delete_response)
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# ---------------------------------
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return ProcessCommandResponse(responses=responses)
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# --- End TODO Cases ---
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case _:
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print(f"Warning: Unhandled intent '{intent}' reached api.py match statement.")
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# The initial response_text was already saved
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return ProcessCommandResponse(responses=responses)
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except HTTPException as http_exc:
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# Don't save again if already saved before raising
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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(db, user_id=current_user.id, sender=MessageSender.AI, text=http_exc.detail)
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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 = "Sorry, I encountered an error while trying to perform that action."
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# --- Save Final Error AI Response ---
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save_chat_message(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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# --- New Endpoint for Chat History ---
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# Define a Pydantic schema for the response (optional but good practice)
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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 # Use the enum directly
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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 # Allow Pydantic to work with ORM models
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@router.get("/history", response_model=List[ChatMessageResponse])
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def read_chat_history(current_user: User = Depends(get_current_user), db: Session = Depends(get_db)):
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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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# ------------------------------------- |