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34 lines
1.2 KiB
Python
34 lines
1.2 KiB
Python
from sqlalchemy.exc import SQLAlchemyError
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from app.db.database import SessionLocal
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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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