public virtual Task <IEnumerable <ValidationError> > Validate(
IPropertyValidatorDefinition validatorDefinition,
object value,
CancellationToken ct)
{
return(Task.FromResult(ValidateSync(validatorDefinition, value)));
}
protected override IEnumerable <ValidationError> ValidateSync(IPropertyValidatorDefinition validatorDefinition, object value)
{
if (value == null)
{
yield break;
}
var regex = (Regex)validatorDefinition.AdditionalProperties[PropertyRegex];
if (!regex.IsMatch(value.ToString()))
{
yield return(CreateError(validatorDefinition, $"{validatorDefinition.PropertyDefinition.Name} does not match the pattern ({validatorDefinition.AdditionalProperties[PropertyPattern]})."));
}
}
protected override IEnumerable <ValidationError> ValidateSync(IPropertyValidatorDefinition validatorDefinition, object value)
{
if (value == null)
{
yield return(CreateError(validatorDefinition, $"{validatorDefinition.PropertyDefinition.Name} is required."));
}
if (value is string)
{
if (value.Equals(string.Empty))
{
yield return(CreateError(validatorDefinition, $"{validatorDefinition.PropertyDefinition.Name} is required."));
}
}
}
public override void ModelLoaded(IPropertyValidatorDefinition validatorDefinition)
{
var patternProperty = validatorDefinition.PropertyBag[PropertyPattern] as string;
if (patternProperty == null)
{
throw new ModelLoadingException(
$"When using regex validator, the {PropertyPattern} property is mandatory (on {validatorDefinition}).");
}
try
{
validatorDefinition.AdditionalProperties[PropertyPattern] = patternProperty;
validatorDefinition.AdditionalProperties[PropertyRegex] = new Regex(patternProperty, RegexOptions.Compiled);
}
catch (ArgumentException ex)
{
throw new ModelLoadingException($"Error while creating regular expression: {ex.Message}", ex);
}
}
protected virtual ValidationError CreateError(IPropertyValidatorDefinition validatorDefinition, string defaultMessage)
{
return(new ValidationError(validatorDefinition.PropertyDefinition.Name, validatorDefinition.Message ?? defaultMessage));
}
protected abstract IEnumerable <ValidationError> ValidateSync(IPropertyValidatorDefinition validatorDefinition, object value);
public virtual void ModelLoaded(IPropertyValidatorDefinition validatorDefinition)
{
}
