private static void AddValueIsOutOfRangeErrorMessage(GovUkViewModel model, PropertyInfo property)
{
var decimalRangeAttribute = property.GetSingleCustomAttribute <GovUkValidateDecimalRangeAttribute>();
decimal minimum = SafelyConvertDoubleToDecimal(decimalRangeAttribute.Minimum);
decimal maximum = SafelyConvertDoubleToDecimal(decimalRangeAttribute.Maximum);
ParserHelpers.AddErrorMessageBasedOnPropertyDisplayName(model, property,
name => $"{name} must be between {minimum} and {maximum}",
ErrorMessagePropertyNamePosition.StartOfMessage);
}
public static void ParseAndValidate(
GovUkViewModel model,
PropertyInfo property,
HttpRequest httpRequest)
{
string parameterName = $"GovUk_Text_{property.Name}";
StringValues parameterValues = HttpRequestParameterHelper.GetRequestParameter(httpRequest, parameterName);
ParserHelpers.ThrowIfMoreThanOneValue(parameterValues, property);
ParserHelpers.SaveUnparsedValueFromRequestToModel(model, httpRequest, parameterName);
if (ParserHelpers.IsValueRequiredAndMissingOrEmpty(property, parameterValues, model))
{
ParserHelpers.AddRequiredAndMissingErrorMessage(model, property);
return;
}
if (parameterValues.Count > 0)
{
string parameterValue = parameterValues[0];
if (string.IsNullOrWhiteSpace(parameterValue))
{
return; // The value is not required (otherwise we will have exited earlier)
}
if (!decimal.TryParse(parameterValue, out decimal parsedDecimalValue))
{
ParserHelpers.AddErrorMessageBasedOnPropertyDisplayName(model, property,
(name) => $"{name} must be a number",
ErrorMessagePropertyNamePosition.StartOfMessage);
return;
}
List <GovUkValidationAttribute> customAttributes = property
.GetCustomAttributes(typeof(GovUkValidationAttribute))
.Cast <GovUkValidationAttribute>()
.ToList();
foreach (var attribute in customAttributes)
{
var result = attribute.CheckForValidationErrors(model, property, parsedDecimalValue);
if (result == false)
{
return;
}
}
property.SetValue(model, parsedDecimalValue);
}
model.ValueWasSuccessfullyParsed(property);
}
public static void ParseAndValidate(
GovUkViewModel model,
PropertyInfo property,
HttpRequest httpRequest)
{
string parameterName = $"GovUk_Text_{property.Name}";
StringValues parameterValues = HttpRequestParameterHelper.GetRequestParameter(httpRequest, parameterName);
ParserHelpers.ThrowIfMoreThanOneValue(parameterValues, property);
ParserHelpers.SaveUnparsedValueFromRequestToModel(model, httpRequest, parameterName);
if (ParserHelpers.IsValueRequiredAndMissingOrEmpty(property, parameterValues))
{
ParserHelpers.AddRequiredAndMissingErrorMessage(model, property);
return;
}
if (parameterValues.Count > 0)
{
string parameterValue = parameterValues[0];
if (!double.TryParse(parameterValue, out _))
{
ParserHelpers.AddErrorMessageBasedOnPropertyDisplayName(model, property,
(name) => $"{name} must be a number",
ErrorMessagePropertyNamePosition.StartOfMessage);
return;
}
int parsedIntValue;
if (!int.TryParse(parameterValue, out parsedIntValue))
{
ParserHelpers.AddErrorMessageBasedOnPropertyDisplayName(model, property,
(name) => $"{name} must be a whole number",
ErrorMessagePropertyNamePosition.StartOfMessage);
return;
}
property.SetValue(model, parsedIntValue);
}
model.ValueWasSuccessfullyParsed(property);
}
