public Result <TValue, IValidationError> Validate <TValue>(int columnIndex, int rowIndex, string columnName, string propertyName, TValue value)
{
try
{
var stringValue = value.IsNull() ? string.Empty : value.ToString();
if (Regex.IsMatch(stringValue, _pattern, _isCaseSensitive ? RegexOptions.IgnoreCase : RegexOptions.None))
{
if (value.IsNull())
{
if (typeof(TValue) == typeof(string))
{
var returnValue = (TValue)Convert.ChangeType(string.Empty, typeof(TValue));
return(Result.Ok <TValue, IValidationError>(returnValue));
}
return(Result.Ok <TValue, IValidationError>(default(TValue)));
}
return(Result.Ok <TValue, IValidationError>(value));
}
var validationError = RuleValidationError.ValueDoesNotMatchRegex(columnIndex, rowIndex, columnName,
propertyName, stringValue, _pattern);
return(Result.Fail <TValue, IValidationError>(validationError));
}
catch (Exception)
{
var validationError = RuleValidationError.CouldNotValidateValueWithPattern(columnIndex, rowIndex, columnName,
propertyName, _pattern);
return(Result.Fail <TValue, IValidationError>(validationError));
}
}
public Result <object, IValidationError> Validate(int columnIndex, int rowIndex, string columnName,
string propertyName, object value)
{
try
{
var typedValue = (TValue)value;
if (_customRuleFunc(typedValue))
{
return(Result.Ok <object, IValidationError>(value));
}
var validationError = new RuleValidationError(columnIndex, rowIndex, _validationMessage, columnName,
typedValue.ToString(), propertyName);
return(Result.Fail <object, IValidationError>(validationError));
}
catch (Exception)
{
var validationError =
RuleValidationError.CouldNotValidateValue(columnIndex, rowIndex, columnName, propertyName);
return(Result.Fail <object, IValidationError>(validationError));
}
}
public Result <object, IValidationError> Validate(int columnIndex, int rowIndex, string columnName, string propertyName, object value)
{
var castValue = (TValue)value;
if (castValue.CompareTo(_minimumValue) <= 0)
{
var validationError = RuleValidationError.HasToHaveMinimumValueOf(columnIndex, rowIndex, columnName, propertyName, _minimumValue);
return(Result.Fail <object, IValidationError>(validationError));
}
return(Result.Ok <object, IValidationError>(_minimumValue));
}
public Result <List <object>, IValidationError> Validate(int columnIndex, string columnName, List <object> allValuesInColumn)
{
if (allValuesInColumn.IsNotNull())
{
if (allValuesInColumn.GroupBy(x => x).Any(g => g.Count() > 1))
{
var validationError = RuleValidationError.ColumnMustContainUniqueValues(columnIndex, columnName);
return(Result.Fail <List <object>, IValidationError>(validationError));
}
}
return(Result.Ok <List <object>, IValidationError>(allValuesInColumn));
}
