public bool TryTranslateMessage(Exception ex, out RESTError webServiceError)
{
webServiceError = null;
var exception = ex is GenericADOException
? ex.InnerException
: ex;
if (exception is PostgresException postgresException)
{
var match = _expression.Match(postgresException.Message);
if (match.Success)
{
var exceptionInfo = new PostgresExceptionInfo(postgresException, _detailExpression);
var handledMessage = GetHandledMessage(exceptionInfo, match);
webServiceError = new RESTError
{
Code = (int)HttpStatusCode.Conflict,
Type = "Conflict",
Message = handledMessage
};
return(true);
}
}
return(false);
}
public bool TryTranslateMessage(Exception ex, out RESTError webServiceError)
{
webServiceError = null;
var exception = ex is GenericADOException
? ex.InnerException
: ex;
if (exception is PostgresException postgresException)
{
var match = _expression.Match(postgresException.Message);
if (match.Success)
{
var exceptionInfo = new PostgresExceptionInfo(postgresException, _detailExpression);
string message = string.Format(exceptionInfo.IsComposedKeyConstraint
? ComposedKeyMessageFormat
: SimpleKeyMessageFormat, exceptionInfo.Values, exceptionInfo.ColumnNames, exceptionInfo.TableName);
webServiceError = new RESTError
{
Code = (int)HttpStatusCode.Conflict,
Type = "Conflict",
Message = message
};
return(true);
}
}
return(false);
}
private static string GetHandledMessageFromExceptionMessage(PostgresExceptionInfo exceptionInfo, Match exceptionMessageMatch)
{
var constraintTypeText = exceptionMessageMatch.Groups["ConstraintType"].Value;
var tableName = exceptionMessageMatch.Groups["TableName"].Value;
return(constraintTypeText.Equals("insert or update")
? string.Format(InsertOrUpdateMessageFormat, tableName)
: string.Format(UpdateOrDeleteMessageFormat, tableName, exceptionInfo.ColumnNames));
}
private static string GetHandledMessage(PostgresExceptionInfo exceptionInfo, Match exceptionMessageMatch)
{
switch (exceptionInfo.ConstraintType)
{
case PostgresExceptionConstraintType.InsertOrUpdateForeignKey:
return(string.Format(InsertOrUpdateMessageFormat, exceptionInfo.TableName));
case PostgresExceptionConstraintType.UpdateOrDeleteForeignKey:
return(string.Format(UpdateOrDeleteMessageFormat, exceptionInfo.TableName, exceptionInfo.ColumnNames));
default:
return(GetHandledMessageFromExceptionMessage(exceptionInfo, exceptionMessageMatch));
}
}
