/// <summary>
/// Konstruktor.
/// </summary>
/// <param name="task">Der Task als Datenquelle des ViewModels.</param>
internal TaskPreviewViewModel(DataManager dataManager, Task task)
{
this.task = task;
this.dataManager = dataManager;
LoadCreatorIfNotUser();
this.dataManager.PropertyChanged += dataManager_PropertyChanged;
this.task.PropertyChanged += AllPropertiesChanged;
}
internal bool GetTaskIsDone(Task task, out int score)
{
var taskAssignedTo = this.data.TaskAssignedToRelationship.FirstOrDefault(p => p.TaskId == task.TaskId && p.PersonUserId == this.data.User.UserId);
if (taskAssignedTo == null)
{
//Fehlerfall Silent lösen, sollte eigentlich nie vorkommen, außer wenn eine einem Nutzer zugewiesene Aufgabe sich verändert und
//die App über Push gestartet wird.
if (System.Diagnostics.Debugger.IsAttached)
System.Diagnostics.Debugger.Break();
taskAssignedTo = new TaskAssignedTo() { TaskId = task.TaskId, IsDone = false, PersonUserId = this.data.User.UserId, Score = 200 };
}
score = taskAssignedTo.Score;
return taskAssignedTo.IsDone;
}
internal bool GetTaskIsDone(Task task)
{
int score;
return GetTaskIsDone(task, out score);
}
internal static DataManager CreateNew()
{
Data data = new Data();
//Ein paar Anweisungen für die App erstellen.
var task1 = new Task(0, Guid.NewGuid().ToString(), Localization.Strings.DataNewCreatedTask1, data.User.UserId, DateTime.Now - TimeSpan.FromDays(1),
DateTime.Today - TimeSpan.FromDays(1), false, DateTime.Now);
var task2 = new Task(0, Guid.NewGuid().ToString(),
Localization.Strings.DataNewCreatedTask2,
data.User.UserId, DateTime.Now,
DateTime.Today, false, DateTime.Now);
var task3 = new Task(0, Guid.NewGuid().ToString(),
Localization.Strings.DataNewCreatedTask3,
data.User.UserId, DateTime.Now,
DateTime.Today.AddDays(1), false, DateTime.Now);
data.TaskAssignedToRelationship.Add(new TaskAssignedTo() { Score = 200, IsDone = false, PersonUserId = data.User.UserId, TaskId = task1.TaskId });
data.TaskAssignedToRelationship.Add(new TaskAssignedTo() { Score = 100, IsDone = false, PersonUserId = data.User.UserId, TaskId = task2.TaskId });
data.TaskAssignedToRelationship.Add(new TaskAssignedTo() { Score = 50, IsDone = false, PersonUserId = data.User.UserId, TaskId = task3.TaskId });
data.Tasks.Add(task1);
data.Tasks.Add(task2);
data.Tasks.Add(task3);
return new DataManager(data);
}
private async void LoadTaskAssignedTo(Task task)
{
try
{
this.Creator = new PersonViewModel(await dataManager.GetFriendData(task.CreatorUserId, true));
NotifyPropertyChanged("Creator");
if (this.dataManager.LoggedIn)
{
oldTaskAssignedTo = await dataManager.GetTaskAssignedTo(task.TaskId);
IEnumerable<FriendTaskAssignedToViewModel> friendsTaskAssignedTo;
if (this.IsEditable)
{
friendsTaskAssignedTo = (await dataManager.GetFriends()).Select(p =>
{
//Aus TaskAssignedTo Relationship alles nötige lesen
var taskAssignedTo = oldTaskAssignedTo.Where(q => q.PersonUserId == p.UserId).FirstOrDefault();
bool isIncluded = false;
bool isDone = false;
if (taskAssignedTo != null)
{
isIncluded = true;
isDone = taskAssignedTo.IsDone;
}
return new FriendTaskAssignedToViewModel(p, isIncluded, isDone);
});
}
else
{
//Lade nur ne Liste an Leuten zum anschauen.
var list = new List<FriendTaskAssignedToViewModel>();
foreach (var taskAssignedTo in oldTaskAssignedTo) //Nicht mit LINQ Select wegen den async Problemen.
list.Add(new FriendTaskAssignedToViewModel(await dataManager.GetFriendData(taskAssignedTo.PersonUserId, true), true, taskAssignedTo.IsDone));
friendsTaskAssignedTo = list;
}
this.FriendsTaskAssignedToAlphabetical = Controls.FriendsByLetterGroup<FriendTaskAssignedToViewModel>.Group(friendsTaskAssignedTo);
NotifyPropertyChanged("FriendsTaskAssignedToAlphabetical");
NotifyPropertyChanged("FriendsListEmptyString");
}
}
catch
{
//Keiner Verbindugn etc. Silent behandeln.
if (System.Diagnostics.Debugger.IsAttached)
System.Diagnostics.Debugger.Break();
}
}
/// <summary>
/// Konstruktor.
/// </summary>
/// <param name="dataManager">Daten für das ViewModel.</param>
/// <param name="task">Aktueller Task für das ViewModel.</param>
internal TaskPageViewModel(DataManager dataManager, Task task)
{
this.dataManager = dataManager;
this.taskId = task.TaskId;
this.isFromUser = task.IsFromUser(dataManager.User);
//IsDone und Score
this.IsDone = this.dataManager.GetTaskIsDone(task, out this.oldScore);
this.IsDoneChangeable = !this.IsDone;
this.Score = this.oldScore;
//Sonstige Eigenschaften
this.Description = task.Description;
this.dueDate = task.DueDate;
this.oldDueDate = task.DueDate;
this.IsDueTimeSet = task.IsDueTimeSet;
this.DueTime = task.DueTime;
//TaskAssigned To
LoadTaskAssignedTo(task);
//Reminder
var reminder = ScheduledActionService.Find(this.GetReminderName()) as Reminder;
if (reminder != null)
{
this.IsReminderSet = true;
this.ReminderDateTime = reminder.BeginTime;
ScheduledActionService.Remove(this.GetReminderName());
}
else if (this.isDueTimeSet)
this.ReminderDateTime = this.DueDate.Date + this.DueTime.TimeOfDay;
else
this.ReminderDateTime = this.DueDate.Date + DateTime.Now.TimeOfDay;
//Events
task.PropertyChanged += AllPropertiesChanged;
dataManager.PropertyChanged += dataManager_PropertyChanged;
}
