public ActionResult Create(CountryCreateModel model)
{
if (ModelState.IsValid)
{
try
{
var country = new Country()
{
CountryCode = model.CountryCode,
CountryOrder = model.CountryOrder,
CountryName = model.CountryName,
Displayable = model.Displayable ? "1" : "0"
};
country = CountriesService.Create(country);
this.FlashInfo(string.Format("Country {0} was created succcessfully", country.CountryName));
return RedirectToAction("Index");
}
catch (ErrorException errorException)
{
errorException.ToModelState(this);
return View(model);
}
catch (Exception ex)
{
ModelState.AddModelError("", ex.Message);
return View(model);
}
}
return View(model);
}
public CountryUpdateModel(Country entity)
{
CountryCode = entity.CountryCode;
CountryName = entity.CountryName;
CountryOrder = entity.CountryOrder;
Displayable = entity.Displayable.Equals("1");
}
public Country Create(Country entity)
{
var errors = ValidateCountryCreate(entity);
if (!errors.Any())
{
entity = CountryRepository.Add(entity);
return entity;
}
throw new ErrorException(errors);
}
public void Delete(Country entity)
{
try
{
CountryRepository.Delete(entity);
}
catch (Exception ex)
{
throw new ErrorException(new[] { new Error(string.Empty, ex.Message) });
}
}
IEnumerable<Error> BasicCountryValidation(Country entity)
{
if (string.IsNullOrEmpty(entity.CountryCode))
yield return new Error("CountryCode", "Country Code is required.");
if (string.IsNullOrEmpty(entity.CountryName))
yield return new Error("CountryName", "Country Name is required.");
if (string.IsNullOrEmpty(entity.Displayable))
yield return new Error("Displayable", "Displayable is required.");
}
IEnumerable<Error> ValidateUniquenessOfCountryName(Country entity)
{
if (GetAll().Any(c => c.CountryName.Equals(entity.CountryName, StringComparison.InvariantCultureIgnoreCase)))
yield return new Error("CountryName", string.Format("There is a country with the name {0} already. Please choose another name.", entity.CountryName));
}
IEnumerable<Error> ValidateCountryUpdate(Country entity)
{
var originalEntity = GetCountryByCountryCode(entity.CountryCode);
foreach (var error in BasicCountryValidation(entity)) yield return error;
// We changed the country code.
if (!originalEntity.CountryCode.Equals(entity.CountryCode))
foreach (var error in ValidateUniquenessOfCountryCode(entity)) yield return error;
// We changed the country name.
if (!originalEntity.CountryName.Equals(entity.CountryName))
foreach (var error in ValidateUniquenessOfCountryName(entity)) yield return error;
}
IEnumerable<Error> ValidateCountryCreate(Country entity)
{
foreach (var error in BasicCountryValidation(entity)) yield return error;
foreach (var error in ValidateUniquenessOfCountryName(entity)) yield return error;
foreach (var error in ValidateUniquenessOfCountryCode(entity)) yield return error;
}
public CountryDeleteModel(Country country)
{
Country = country;
}
