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157 lines
5.1 KiB
Python
157 lines
5.1 KiB
Python
from typing import List, Dict, Any
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from fastapi import APIRouter, Depends, HTTPException
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from sqlalchemy.exc import SQLAlchemyError
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from sqlalchemy.orm import Session
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from app.api.schemas import (
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ChatRequest,
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ChatResponse,
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ConsultarEstoqueRequest,
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ValidarClienteVendaRequest,
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AvaliarVeiculoTrocaRequest,
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AgendarRevisaoRequest,
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CancelarPedidoRequest,
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)
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from app.db.database import SessionLocal
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from app.services.orquestrador_service import OrquestradorService
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from app.services.handlers import (
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consultar_estoque,
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validar_cliente_venda,
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avaliar_veiculo_troca,
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agendar_revisao,
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cancelar_pedido,
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)
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router = APIRouter()
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def get_db():
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"""Fornece uma sessao de banco para a request e garante o fechamento."""
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db = SessionLocal()
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try:
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yield db
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finally:
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db.close()
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def _db_error_detail(exc: SQLAlchemyError) -> str:
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"""Converte erros de banco em mensagens amigaveis para a API."""
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text = str(exc).lower()
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# Heuristica para identificar falhas no MySQL de tools.
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tools_markers = ("tools", "tool")
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if any(marker in text for marker in tools_markers):
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return "Servico temporariamente indisponivel: banco MySQL (tools) inacessivel."
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# Heuristica para identificar falhas no MySQL (base ficticia).
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mysql_mock_markers = ("mock", "vehicles", "customers", "orders", "review_schedules")
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if any(marker in text for marker in mysql_mock_markers):
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return "Servico temporariamente indisponivel: banco MySQL (dados ficticios) inacessivel."
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mysql_generic_markers = ("mysql", "pymysql", "(2003", "3306")
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if any(marker in text for marker in mysql_generic_markers):
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return "Servico temporariamente indisponivel: banco MySQL inacessivel."
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return "Servico temporariamente indisponivel: erro de acesso ao banco de dados."
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'''
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# Removido momentaniamente para teste do Vertex IA
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@router.post("/chat", response_model=ChatResponse)
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async def chat(request: ChatRequest, db: Session = Depends(get_db)):
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service = OrquestradorService(db)
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result = await service.handle_message(
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message=request.message,
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user_id=request.user_id,
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)
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return ChatResponse(response=result)
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'''
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@router.post("/chat", response_model=ChatResponse)
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async def chat(request: ChatRequest, db: Session = Depends(get_db)):
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"""Processa mensagem do usuario via orquestrador e retorna resposta do chat."""
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try:
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service = OrquestradorService(db)
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result = await service.handle_message(message=request.message)
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return ChatResponse(response=result)
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except SQLAlchemyError as exc:
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raise HTTPException(
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status_code=503,
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detail=_db_error_detail(exc),
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)
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except ValueError as exc:
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# Erros de configuracao de Vertex (regiao/projeto/modelo)
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raise HTTPException(status_code=500, detail=f"Configuracao invalida do Vertex AI: {exc}")
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except RuntimeError as exc:
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raise HTTPException(status_code=503, detail=f"Falha temporaria no LLM/Vertex AI: {exc}")
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@router.post("/mock/consultar-estoque")
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async def consultar_estoque_endpoint(
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body: ConsultarEstoqueRequest,
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) -> List[Dict[str, Any]]:
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"""Consulta estoque de veiculos mock com filtros opcionais."""
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try:
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return await consultar_estoque(
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preco_max=body.preco_max,
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categoria=body.categoria,
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ordenar_preco=body.ordenar_preco,
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limite=body.limite,
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)
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except SQLAlchemyError as exc:
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raise HTTPException(status_code=503, detail=_db_error_detail(exc))
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@router.post("/mock/validar-cliente-venda")
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async def validar_cliente_venda_endpoint(
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body: ValidarClienteVendaRequest,
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) -> Dict[str, Any]:
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"""Valida elegibilidade de cliente para uma venda."""
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try:
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return await validar_cliente_venda(
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cpf=body.cpf,
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valor_veiculo=body.valor_veiculo,
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)
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except SQLAlchemyError as exc:
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raise HTTPException(status_code=503, detail=_db_error_detail(exc))
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@router.post("/mock/avaliar-veiculo-troca")
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async def avaliar_veiculo_troca_endpoint(
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body: AvaliarVeiculoTrocaRequest,
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) -> Dict[str, Any]:
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"""Avalia valor de troca de um veiculo com base em modelo, ano e quilometragem."""
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return await avaliar_veiculo_troca(
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modelo=body.modelo,
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ano=body.ano,
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km=body.km,
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)
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@router.post("/mock/agendar-revisao")
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async def agendar_revisao_endpoint(
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body: AgendarRevisaoRequest,
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) -> Dict[str, Any]:
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"""Agenda revisao para uma placa em data/hora informada."""
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try:
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return await agendar_revisao(
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placa=body.placa,
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data_hora=body.data_hora,
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)
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except SQLAlchemyError as exc:
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raise HTTPException(status_code=503, detail=_db_error_detail(exc))
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@router.post("/mock/cancelar-pedido")
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async def cancelar_pedido_endpoint(
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body: CancelarPedidoRequest,
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) -> Dict[str, Any]:
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"""Cancela pedido de venda existente registrando o motivo."""
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try:
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return await cancelar_pedido(
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numero_pedido=body.numero_pedido,
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motivo=body.motivo,
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)
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except SQLAlchemyError as exc:
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raise HTTPException(status_code=503, detail=_db_error_detail(exc))
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