private async Task <ProcessResult <bool> > CategoryViewModelIsValid(CategoryViewModel viewModel, int existingCategoryId = 0)
{
ProcessResult <bool> result = new ProcessResult <bool>();
PhotoCategory category = await _db
.PhotoCategories
.FirstOrDefaultAsync(p => p.CategoryName.ToUpper() == viewModel.CategoryName.ToUpper() &&
p.CategoryId != existingCategoryId);
if (category != null)
{
result.AddFieldError("CategoryName", "You dummy. A category with name has already been created");
}
if (!CategoryStatusCodes.GetAll().Contains(viewModel.StatusCode))
{
result.AddFieldError("StatusCode", "Invalid status code");
}
if (!PhotoNamingThemes.ThemeCodes.GetAll().Contains(viewModel.PhotoNamingThemeCode))
{
result.AddFieldError("PhotoNamingThemeCode", "Invalid theme code");
}
if (existingCategoryId != 0)
{
category = await _db
.PhotoCategories
.FirstOrDefaultAsync(p => p.CategoryId == existingCategoryId);
if (category == null)
{
result.AddError("This category cannot be found");
}
}
return(result);
}
private async Task <ProcessResult <bool> > UserIdentityDetailsAreUniqueAsync(UserViewModel viewModel, string existingUserName = "")
{
ProcessResult <bool> result = new ProcessResult <bool>();
// User name is unique
ApplicationUser userByUserName = await _userManager.FindByNameAsync(viewModel.UserName);
// Attempting to add an existing user name
if (userByUserName != null && string.IsNullOrEmpty(existingUserName))
{
result.AddFieldError("UserName", $"Copy cat. User name '{viewModel.UserName}' already exists");
}
if (userByUserName == null && !string.IsNullOrEmpty(existingUserName))
{
result.AddFieldError("UserName", $"Copy cat. User with user name '{viewModel.UserName}' cannot be found");
}
ApplicationUser userByEmail = await _userManager.FindByEmailAsync(viewModel.Email);
// Attempting to add an email of the same address
if (userByEmail != null && string.IsNullOrEmpty(existingUserName))
{
result.AddFieldError("Email", $"Copy cat. Email address '{viewModel.Email}' already exists for another user");
}
if (userByEmail != null && !string.IsNullOrEmpty(existingUserName) && viewModel.UserName != userByEmail.UserName)
{
result.AddFieldError("Email", $"Copy cat. Email address '{viewModel.Email}' already exists for another user");
}
//TODO: Inject this into the controller
ApplicationUser userByNickname = _db.Users.FirstOrDefault(u => u.Nickname.ToUpper() == viewModel.Nickname.ToUpper());
if (userByNickname != null && string.IsNullOrEmpty(existingUserName))
{
result.AddFieldError("Nickname", "Copy cat. Nickname already exists for another user");
}
if (userByNickname != null && !string.IsNullOrEmpty(existingUserName) && userByNickname.UserName != viewModel.UserName)
{
result.AddFieldError("Nickname", "Copy cat. Nickname already exists for another user");
}
return(result);
}
