proj_hr_2.py

.  .  .

@jwt_required()
def post(self):
    parser = self.get_parser()
    data = parser.parse_args()

    if self.parsed_model['unique']:
        for constraint in self.parsed_model['unique']:
            _filter = {}
            for key in constraint:
                _filter[key] = data[key]

            if self.model.query.filter_by(**_filter).first():
                return {'message': f'El valor "{_filter}" viola '
                                   f'UNIQUE_CONSTRAINT de la tabla'}, 400

    record = self.model(**data)

    try:
        record.save_to_db()
        if 'stgid' in data:
            return 'ok', 201
        return {
                   'message': 'Registro creado exitosamente.',
                   'record': self.model.find_by_id(
                       record.id,
                       current_identity
                   ).to_dict()
               }, 201
    except SQLAlchemyError as e:
        return {'message': f'Ocurrió un error al tratar de crear '
                           f'el registro.  Error: "{e}"'}, 500
                               
.  .  .