/// <summary>
/// ViewModel 資料初始化
/// </summary>
/// <returns></returns>
private async Task ViewModelInit()
{
var fooItems = await PCLGlobalHelper.foo使用者工作內容Repository.Read();
UserTasksList.Clear();
foreach (var item in fooItems)
{
AddViewModel(item);
}
await Task.Delay(100);
}
public MainPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator,
IPageDialogService dialogService)
{
#region 相依性服務注入的物件
_dialogService = dialogService;
_eventAggregator = eventAggregator;
_navigationService = navigationService;
#endregion
#region 頁面中綁定的命令
DoRefreshCommand = new DelegateCommand(async() =>
{
fooAPIResult = await PCLGlobalHelper.foo使用者工作內容Repository.GetDateRangeAsync(
PCLGlobalHelper.foo使用者登入Repository.Item.Account);
if (fooAPIResult.Success == true)
{
UserTasksList.Clear();
foreach (var item in PCLGlobalHelper.foo使用者工作內容Repository.Items)
{
AddViewModel(item);
}
}
else
{
await _dialogService.DisplayAlertAsync("警告", fooAPIResult.Message, "確定");
}
IsRefreshing = false;
});
ItemTappedCommand = new DelegateCommand(async() =>
{
await _navigationService.NavigateAsync($"TaskEditPage?ID={UserTasksListSelected.Id}");
});
#endregion
#region 事件聚合器訂閱
//訂閱是否要更新這個 ListView 的資料內容之事件
_eventAggregator.GetEvent <TaskRefreshEventEvent>().Subscribe(async x =>
{
await ViewModelInit();
});
#endregion
}
public MainPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator,
IPageDialogService dialogService)
{
#region 相依性服務注入的物件
_dialogService = dialogService;
_eventAggregator = eventAggregator;
_navigationService = navigationService;
#endregion
#region 頁面中綁定的命令
DoRefreshCommand = new DelegateCommand(async() =>
{
// 這裡使用 UserDialogs 顯示一個正在忙碌中的處理遮罩
using (Acr.UserDialogs.UserDialogs.Instance.Loading($"請稍後，正在取回最新派工紀錄中...", null, null, true, Acr.UserDialogs.MaskType.Black))
{
fooAPIResult = await PCLGlobalHelper.foo使用者工作內容Repository.GetDateRangeAsync(
PCLGlobalHelper.foo使用者登入Repository.Item.Account);
if (fooAPIResult.Success == true)
{
UserTasksList.Clear();
foreach (var item in PCLGlobalHelper.foo使用者工作內容Repository.Items)
{
AddViewModel(item);
}
}
else
{
await _dialogService.DisplayAlertAsync("警告", fooAPIResult.Message, "確定");
}
IsRefreshing = false;
}
});
ItemTappedCommand = new DelegateCommand(async() =>
{
await _navigationService.NavigateAsync($"TaskEditPage?ID={UserTasksListSelected.Id}");
});
#endregion
#region 事件聚合器訂閱
#endregion
}
public TaskHistoryPageViewModel(INavigationService navigationService, IEventAggregator eventAggregator,
IPageDialogService dialogService)
{
#region 相依性服務注入的物件
_dialogService = dialogService;
_eventAggregator = eventAggregator;
_navigationService = navigationService;
#endregion
#region 頁面中綁定的命令
DoRefreshCommand = new DelegateCommand(async() =>
{
fooAPIResult = await PCLGlobalHelper.foo使用者歷史工作內容Repository.GetDateRangeAsync(
PCLGlobalHelper.foo使用者登入Repository.Item.Account, DateTime.Now.AddDays(-7), DateTime.Now);
if (fooAPIResult.Success == true)
{
UserTasksList.Clear();
foreach (var item in PCLGlobalHelper.foo使用者歷史工作內容Repository.Items)
{
AddViewModel(item);
}
}
else
{
await _dialogService.DisplayAlertAsync("警告", fooAPIResult.Message, "確定");
}
IsRefreshing = false;
});
ItemTappedCommand = new DelegateCommand(async() =>
{
await _navigationService.NavigateAsync($"TaskHistoryDetailPage?ID={UserTasksListSelected.Id}");
});
#endregion
#region 事件聚合器訂閱
#endregion
}
protected async Task ExecuteLoadItemsCommand()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
if (UserTasksList == null)
{
UserTasksList = new ObservableCollection <UserTaskViewModel>();
}
else
{
UserTasksList.Clear();
}
int[] status =
{
UserTaskStatus.Active, UserTaskStatus.Pending, UserTaskStatus.Paused, UserTaskStatus.Aborted
};
var userTasks = await _userTaskService.GetAllUserTaskByUserID(App.CurrentLogInUser.Email, status);
foreach (var usertask in userTasks)
{
var userTaskTime = await _userTaskService.GetUserTaskTimeByUserTaskId(usertask.UserTaskID);
UserTasksList.Add(new UserTaskViewModel(usertask, userTaskTime));
}
}
finally
{
IsBusy = false;
}
}
