private async Task RemoveTask(TaskModel item)
{
IsBusy = true;
item.IsDeleted = true;
await _taskAPiService.SaveToDoItemAsync(_taskMapper.Convert(item));
await LoadData();
IsBusy = false;
}
private async Task LoadData()
{
IsBusy = true;
var tasks = await _taskAPiService.FindDeletedItemsAsync();
Tasks = new ObservableCollection <TaskModel>(_taskMapper.Convert(tasks));
IsBusy = false;
}
public CreateTaskPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator,
ITaskService taskAPiService) :
base(navigationService, eventAggregator)
{
_taskAPiService = taskAPiService;
_saveTaskCommand = new DelegateCommand(async() => await SaveTask(), CanSaveExecuted);
_goBackCommand = new DelegateCommand(async() => { await NavigationService.GoBackAsync(); });
_deleteTaskCommand = new DelegateCommand(async() =>
{
var result = await Application.Current.MainPage.DisplayAlert(
"Delete Task",
"Delete the selected task?",
"Yes", "No");
if (result)
{
await _taskAPiService.DeleteToDoItemAsync(Model.ID.ToString());
GoBackCommand.Execute();
}
}, () => { return(Model != null && Model.IsValid); });
_resetTaskCommand = new DelegateCommand(async() =>
{
var obj = await _taskAPiService.FindByIdAsync(Model.ID.ToString());
if (obj == null)
{
Model.Name = string.Empty;
Model.Description = string.Empty;
Model.Start = DateTime.Now;
Model.End = DateTime.Now.AddDays(30);
}
else
{
Model = _taskMapper.Convert(obj);
}
}, () => { return(Model != null); });
}
public ToDoPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator,
ITaskService taskAPiService, ITaskMapper taskMapper) :
base(navigationService, eventAggregator)
{
_taskAPiService = taskAPiService;
_taskMapper = taskMapper;
_goToCreateTaskPageCommand = new DelegateCommand(async() =>
{
await NavigationService.NavigateAsync("CreateTaskPage");
});
_refreshTaskPageCommand = new DelegateCommand(async() =>
{
_selectedSchedule = null;
await LoadData();
});
_loadPageCommand = new DelegateCommand(async() => await LoadData());
EventAggregator.GetEvent <AddTaskEvent>().Subscribe(item => AddTask(item));
EventAggregator.GetEvent <RemoveTaskEvent>().Subscribe(async(item) =>
{
await RemoveTask(item);
}
);
EventAggregator.GetEvent <EditTaskEvent>().Subscribe(async(item) =>
{
await NavigateToEditPage(item);
}
);
EventAggregator.GetEvent <CloneTaskEvent>().Subscribe(async(item) =>
{
IsBusy = true;
var cloneObj = _taskMapper.Convert(item);
cloneObj.Name += "_cloned";
cloneObj.ID = Guid.Empty;
await _taskAPiService.SaveToDoItemAsync(cloneObj);
await LoadData();
}
);
eventAggregator.GetEvent <OpenScheduleEvent>().Subscribe((item) =>
{
_selectedSchedule = item;
});
}
