/// <summary>
/// Remove item from list
/// </summary>
/// <param name="id">
/// ID of removing item
/// </param>
public async Task DeleteAsync(string id, int remainPerson)
{
if (remainPerson == 1)
{
message = new PersonsChangedMessage()
{
OperationType = CRUD.Delete, IsAvailable = false
}
}
;
else
{
message = new PersonsChangedMessage()
{
OperationType = CRUD.Delete, IsAvailable = true
};
_persons.Remove(_persons.Find(a => a.Id == id));
}
try
{
await WritePersonsAsync();
}
catch (Exception)
{
return;
}
Messenger.Default.Send <PersonsChangedMessage>(message);
}
public async Task UpdateAsync()
{
await Task.Run(null);
var message = new PersonsChangedMessage()
{
OperationType = CRUD.Update, ExeptionMessage = string.Empty
};
Messenger.Default.Send <PersonsChangedMessage>(message);
}
public async Task DeleteAsync(string id)
{
_persons.Remove(_persons.Find(x => x.Id == id));
await WritePersonsAsync();
var message = new PersonsChangedMessage()
{
OperationType = CRUD.Delete, ExeptionMessage = string.Empty
};
Messenger.Default.Send <PersonsChangedMessage>(message);
}
public async Task UpdateAsync(Person person)
{
var _person = _persons.FirstOrDefault(p => p.Id == person.Id);
_persons.Remove(_person);
_persons.Add(person);
await WritePersonsAsync();
var message = new PersonsChangedMessage()
{
OperationType = CRUD.Update, IsAvailable = true
};
Messenger.Default.Send <PersonsChangedMessage>(message);
}
public async Task AddAsync(Person person)
{
if (_persons == null)
{
_persons = await ReadPersonsAsync();
}
_persons.Add(person);
await WritePersonsAsync();
var message = new PersonsChangedMessage()
{
OperationType = CRUD.Create, ExeptionMessage = string.Empty
};
Messenger.Default.Send <PersonsChangedMessage>(message);
}
private async void HandlePersonsChangedMessage(PersonsChangedMessage message)
{
switch (message.OperationType)
{
case CRUD.Delete:
this.Persons.Remove(this.SelectedPerson);
break;
case CRUD.Update:
SelectedPerson.IsFavorite = (SelectedPerson.IsFavorite == true) ? false : true;
break;
default:
await new MessageDialog(message.ExeptionMessage).ShowAsync();
break;
}
}
public async Task UpdateAsync(Person person)
{
//var _person = _persons.Where((Person p) => p.Id == person.Id).FirstOrDefault();
var _person = _persons.FirstOrDefault(p => p.Id == person.Id);
_persons.Remove(_person);
_persons.Add(person);
await WritePersonsAsync();
var message = new PersonsChangedMessage()
{
OperationType = CRUD.Update, ExeptionMessage = string.Empty
};
Messenger.Default.Send <PersonsChangedMessage>(message);
//await Task.CompletedTask;
}
private async void HandlePersonsChangedMessage(PersonsChangedMessage message)
{
if (!message.IsAvailable)
{
ContentDialog invailidOperationDialog = new ContentDialog
{
Title = $"Invailid operation",
Content = $"Not availbale operation",
PrimaryButtonText = "OK"
};
await invailidOperationDialog.ShowAsync();
return;
}
switch (message.OperationType)
{
case CRUD.Delete:
Persons.Remove(SelectedPerson);
break;
case CRUD.Update:
SelectedPerson.IsFavorite = (FavoriteSymbol == Symbol.Favorite) ? true : false;
break;
default:
ContentDialog notFoundDialog = new ContentDialog
{
Title = $"NOT FOUND",
Content = $"Unknown exception",
PrimaryButtonText = "OK"
};
await notFoundDialog.ShowAsync();
break;
}
}
