public override async Task LoadAsync(int friendId)
{
var friendServiceCall = await this._friendService
.GetAsync(friendId);
Friend = new FriendModelWrapper(friendServiceCall);
Id = Friend.Id;
CheckChangeHandler(Friend);
InitializePhoneNumbers(Friend.PhoneNumbers);
LoadProgrammyngLanguages();
}
public override async Task LoadAddableAsync()
{
var friendServiceCall = await this._friendService
.AddNewAsync();
Friend = new FriendModelWrapper(friendServiceCall);
LoadProgrammyngLanguages();
CheckChangeHandler(Friend);
if (Friend.Id == 0)
{
TriggerValidation(Friend);
}
}
private void CheckChangeHandler(FriendModelWrapper friend)
{
Friend.PropertyChanged += (s, e) =>
{
if (!HasChange)
{
HasChange = this._friendService.HasChanges();
}
if (e.PropertyName == nameof(Friend.HasErrors))
{
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
}
if (e.PropertyName == nameof(Friend.FirstName) || e.PropertyName == nameof(Friend.LastName))
{
SetTitle();
}
};
((DelegateCommand)SaveCommand).RaiseCanExecuteChanged();
if (Friend.Id == 0)
{
Friend.FirstName = "";
}
SetTitle();
}
private void TriggerValidation(FriendModelWrapper friend)
{
Friend.FirstName = "";
Friend.LastName = "";
Friend.Email = "";
}
