private IEnumerable <Message> Translate([NotNull] ExceptionContext context, [NotNull] DbConstraintException exc)
{
string[] parameters =
new List <string>
{
exc.ConstraintName ?? "UNKNOWN_CONSTRAINT_NAME",
exc.EntityName ?? "UNKNOWN_ENTITY_NAME",
exc.EntityId?.ToString() ?? "UNKNOWN_ENTITY_ID",
exc.Message ?? "UNKNOWN_MESSAGE"
}
.ToArray();
switch (exc.ConstraintType)
{
case DbConstraintTypeEnum.PRIMARY_KEY:
yield return(BuildMessage("DB_PK_CONSTRAINT_VIOLATION", parameters));
break;
case DbConstraintTypeEnum.FOREIGN_KEY:
yield return(BuildMessage("DB_FK_CONSTRAINT_VIOLATION", parameters));
break;
case DbConstraintTypeEnum.NOT_NULL:
yield return(BuildMessage("DB_NN_CONSTRAINT_VIOLATION", parameters));
break;
case DbConstraintTypeEnum.UNIQUE:
yield return(BuildMessage("DB_UQ_CONSTRAINT_VIOLATION", parameters));
break;
case DbConstraintTypeEnum.CHECK:
yield return(BuildMessage("DB_CK_CONSTRAINT_VIOLATION", parameters));
break;
default:
yield return(BuildMessage("DB_GENERIC_CONSTRAINT_VIOLATION", parameters));
break;
}
}
protected virtual HttpStatusCode DetermineHttpStatusCode([NotNull] DbConstraintException ce) => HttpStatusCode.BadRequest;
