public IActionResult OnPost()
{
if (!ModelState.IsValid)
{
return(Page());
}
try
{
PhoneNumber phoneNumber = _phoneUtil.Parse(PhoneNumberCheck.PhoneNumberRaw, PhoneNumberCheck.CountryCodeSelected);
var valid = _phoneUtil.IsValidNumberForRegion(phoneNumber, PhoneNumberCheck.CountryCodeSelected);
Debug.Print($"{phoneNumber} is {valid} for region {PhoneNumberCheck.CountryCodeSelected}");
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.CountryCodeSelected)}").Value.RawValue =
PhoneNumberCheck.CountryCodeSelected;
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.PhoneNumberRaw)}").Value.RawValue =
PhoneNumberCheck.PhoneNumberRaw;
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.Valid)}").Value.RawValue =
_phoneUtil.IsValidNumberForRegion(phoneNumber, PhoneNumberCheck.CountryCodeSelected);
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.PhoneNumberType)}").Value.RawValue =
_phoneUtil.GetNumberType(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.RegionCode)}").Value.RawValue =
_phoneUtil.GetRegionCodeForNumber(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.PhoneNumberFormatted)}").Value.RawValue =
_phoneUtil.FormatOutOfCountryCallingNumber(phoneNumber, PhoneNumberCheck.CountryCodeSelected);
ModelState.FirstOrDefault(x => x.Key == $"{nameof(PhoneNumberCheck)}.{nameof(PhoneNumberCheck.PhoneNumberMobileDialing)}").Value.RawValue =
_phoneUtil.FormatNumberForMobileDialing(phoneNumber, PhoneNumberCheck.CountryCodeSelected, true);
return(Page());
}
catch (NumberParseException npex)
{
ModelState.AddModelError(npex.ErrorType.ToString(), npex.Message);
}
return(Page());
}
public IActionResult Check(PhoneNumberCheckViewModel model)
{
if (model == null)
{
throw new ArgumentException(nameof(model));
}
if (ModelState.IsValid)
{
try
{
PhoneNumber phoneNumber = _phoneUtil.Parse(model.PhoneNumberRaw, model.CountryCodeSelected);
ModelState.FirstOrDefault(x => x.Key == nameof(model.Valid)).Value.RawValue =
_phoneUtil.IsValidNumberForRegion(phoneNumber, model.CountryCodeSelected);
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberType)).Value.RawValue =
_phoneUtil.GetNumberType(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == nameof(model.CountryCode)).Value.RawValue =
_phoneUtil.GetRegionCodeForNumber(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberFormatted)).Value.RawValue =
_phoneUtil.FormatOutOfCountryCallingNumber(phoneNumber, "US");
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberMobileDialing)).Value.RawValue =
_phoneUtil.FormatNumberForMobileDialing(phoneNumber, model.CountryCodeSelected, true);
ModelState.FirstOrDefault(x => x.Key == nameof(model.HasExtension)).Value.RawValue =
phoneNumber.HasExtension;
ModelState.FirstOrDefault(x => x.Key == nameof(model.CountryCodeSelected)).Value.RawValue =
model.CountryCodeSelected;
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberRaw)).Value.RawValue =
model.PhoneNumberRaw;
model.Countries = _countries.CountrySelectList;
return(View(model));
}
catch (NumberParseException npex)
{
ModelState.AddModelError(npex.ErrorType.ToString(), npex.Message);
}
}
model.Countries = _countries.CountrySelectList;
ModelState.SetModelValue(nameof(model.CountryCodeSelected), model.CountryCodeSelected, model.CountryCodeSelected);
ModelState.SetModelValue(nameof(model.PhoneNumberRaw), model.PhoneNumberRaw, model.PhoneNumberRaw);
ModelState.SetModelValue(nameof(model.Valid), false, null);
model.Valid = false;
ModelState.SetModelValue(nameof(model.HasExtension), false, null);
model.HasExtension = false;
ModelState.SetModelValue(nameof(model.PhoneNumberType), null, null);
model.PhoneNumberType = null;
ModelState.SetModelValue(nameof(model.CountryCode), null, null);
model.CountryCode = null;
ModelState.SetModelValue(nameof(model.PhoneNumberFormatted), null, null);
model.PhoneNumberFormatted = null;
ModelState.SetModelValue(nameof(model.PhoneNumberMobileDialing), null, null);
model.PhoneNumberMobileDialing = null;
return(View(model));
}
public IActionResult Check(PhoneNumberCheckViewModel model)
{
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (ModelState.IsValid)
{
try
{
// Parse the number to check into a PhoneNumber object.
PhoneNumber phoneNumber = _phoneUtil.Parse(model.PhoneNumberRaw, model.CountryCodeSelected);
// Use the PhoneNumber object to get information from the utility and assign it to the raw state of the model.
// The values can't be assigned directly to the model because they have previously existing models.
// ASP.NET Core Tag Helpers work differently than Html Helpers in this respect (and others).
ModelState.FirstOrDefault(x => x.Key == nameof(model.Valid)).Value.RawValue =
_phoneUtil.IsValidNumberForRegion(phoneNumber, model.CountryCodeSelected);
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberType)).Value.RawValue =
_phoneUtil.GetNumberType(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == nameof(model.CountryCode)).Value.RawValue =
_phoneUtil.GetRegionCodeForNumber(phoneNumber);
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberFormatted)).Value.RawValue =
_phoneUtil.FormatOutOfCountryCallingNumber(phoneNumber, "US");
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberMobileDialing)).Value.RawValue =
_phoneUtil.FormatNumberForMobileDialing(phoneNumber, model.CountryCodeSelected, true);
ModelState.FirstOrDefault(x => x.Key == nameof(model.HasExtension)).Value.RawValue =
phoneNumber.HasExtension;
// The submitted value has to be returned as the raw value.
ModelState.FirstOrDefault(x => x.Key == nameof(model.CountryCodeSelected)).Value.RawValue =
model.CountryCodeSelected;
ModelState.FirstOrDefault(x => x.Key == nameof(model.PhoneNumberRaw)).Value.RawValue =
model.PhoneNumberRaw;
// Because the Countries property of the view model doesn't exist at this point (it's not passed back by
// the model binder when the form is submitted) it can be assigned directly before being returned to the view.
model.Countries = _countries.CountrySelectList;
return(View(model));
}
catch (NumberParseException npex)
{
// If PhoneNumberUtil throws an error, add it to the list of ModelState errors.
// This will change ModelState.IsValid to false.
ModelState.AddModelError(npex.ErrorType.ToString(), npex.Message);
}
}
// If there is an unspecified ModelState error or a NumberParseException
// repopulate the list of countries, selected country, and attempted phone number.
// Clear the values of the results in both the ModelState values and the model.
// Doing both is required by MVC handling of Tag Helpers. For Html Helpers, only
// the model values need to be reset.
// In production code, the results section would best be implemented with a partial
// page with its own view model, which could then be reinitialized for each new
// attempt. It's handled this way to keep the focus on the library functionality.
model.Countries = _countries.CountrySelectList;
ModelState.SetModelValue(nameof(model.CountryCodeSelected), model.CountryCodeSelected, model.CountryCodeSelected);
ModelState.SetModelValue(nameof(model.PhoneNumberRaw), model.PhoneNumberRaw, model.PhoneNumberRaw);
ModelState.SetModelValue(nameof(model.Valid), false, null);
model.Valid = false;
ModelState.SetModelValue(nameof(model.HasExtension), false, null);
model.HasExtension = false;
ModelState.SetModelValue(nameof(model.PhoneNumberType), null, null);
model.PhoneNumberType = null;
ModelState.SetModelValue(nameof(model.CountryCode), null, null);
model.CountryCode = null;
ModelState.SetModelValue(nameof(model.PhoneNumberFormatted), null, null);
model.PhoneNumberFormatted = null;
ModelState.SetModelValue(nameof(model.PhoneNumberMobileDialing), null, null);
model.PhoneNumberMobileDialing = null;
return(View(model));
}