private async Task LoadAllTasksAsync()
{
try
{
GraphServiceClient graphClient = await GraphServiceHelper.GetGraphServiceClientAsync();
if (graphClient != null)
{
IPlannerPlanTasksCollectionPage tasks = await graphClient.Planner.Plans[PlanId].Tasks.Request().GetAsync();
Dictionary <string, string> buckets = Buckets.ToDictionary(s => s.Id, s => s.Name);
List <PlannerTaskViewModel> taskList = new List <PlannerTaskViewModel>();
PlannerPlan plan = Plans.FirstOrDefault(s => s.Id == InternalPlanId);
while (true)
{
foreach (PlannerTask task in tasks)
{
PlannerTaskViewModel taskViewModel = new PlannerTaskViewModel(task);
if (plan != null)
{
taskViewModel.GroupId = plan.Owner;
}
taskViewModel.PropertyChanged += TaskViewModel_PropertyChanged;
await GetAssignmentsAsync(taskViewModel, graphClient);
if (!string.IsNullOrEmpty(taskViewModel.BucketId) && buckets.ContainsKey(taskViewModel.BucketId))
{
taskViewModel.BucketName = buckets[taskViewModel.BucketId];
}
taskList.Add(taskViewModel);
}
if (tasks.NextPageRequest == null)
{
break;
}
tasks = await tasks.NextPageRequest.GetAsync();
}
_allTasks.Clear();
_allTasks.AddRange(taskList);
LoadTasks();
}
}
catch (Exception exception)
{
MessageDialog messageDialog = new MessageDialog(exception.Message);
await messageDialog.ShowAsync();
}
}
private async void Add_Click(object sender, RoutedEventArgs e)
{
try
{
GraphServiceClient graphClient = await GraphServiceHelper.GetGraphServiceClientAsync();
if (graphClient != null &&
!string.IsNullOrWhiteSpace(_input?.Text))
{
PlannerTask task = new PlannerTask
{
Title = _input.Text
};
if (TaskType != TaskTypeAllTasksId && TaskType != TaskTypeClosedTasksId)
{
task.BucketId = TaskType;
}
task.PlanId = PlanId;
_input.Text = string.Empty;
CanAddTask = false;
PlannerTask taskCreated = await graphClient.Planner.Tasks.Request().AddAsync(task);
PlannerPlan plan = Plans.FirstOrDefault(s => s.Id == InternalPlanId);
PlannerTaskViewModel taskViewModel = new PlannerTaskViewModel(taskCreated);
Dictionary <string, string> buckets = Buckets.ToDictionary(s => s.Id, s => s.Name);
if (plan != null)
{
taskViewModel.GroupId = plan.Owner;
}
if (!string.IsNullOrEmpty(taskViewModel.BucketId) && buckets.ContainsKey(taskViewModel.BucketId))
{
taskViewModel.BucketName = buckets[taskViewModel.BucketId];
}
if (taskCreated.PlanId == InternalPlanId)
{
taskViewModel.PropertyChanged += TaskViewModel_PropertyChanged;
_allTasks.Add(taskViewModel);
Tasks.Insert(0, taskViewModel);
}
}
}
catch (Exception exception)
{
MessageDialog messageDialog = new MessageDialog(exception.Message);
await messageDialog.ShowAsync();
}
CanAddTask = true;
}
private bool IsTaskVisible(PlannerTaskViewModel task)
{
if (TaskType == TaskTypeAllTasksId)
{
return(task.PercentComplete != 100);
}
else if (TaskType == TaskTypeClosedTasksId)
{
return(task.PercentComplete == 100);
}
else
{
return(task.BucketId == TaskType);
}
}
private async Task GetAssignmentsAsync(PlannerTaskViewModel taskViewModel, GraphServiceClient graphClient = null)
{
try
{
if (graphClient == null)
{
graphClient = await GraphServiceHelper.GetGraphServiceClientAsync();
}
string assignments = string.Empty;
foreach (string userId in taskViewModel.AssignmentIds)
{
if (!string.IsNullOrEmpty(userId))
{
if (!_userCache.ContainsKey(userId))
{
User user = await graphClient.Users[userId].Request().GetAsync();
if (user != null)
{
_userCache.Add(user.Id, user.DisplayName);
assignments += AssigneeSeperator + user.DisplayName;
}
}
else
{
assignments += AssigneeSeperator + _userCache[userId];
}
}
}
if (assignments.Length > AssigneeSeperator.Length)
{
assignments = assignments.Substring(2);
}
taskViewModel.AssignmentNames = assignments;
}
catch (Exception exception)
{
MessageDialog messageDialog = new MessageDialog(exception.Message);
await messageDialog.ShowAsync();
}
}
private async Task DeleteTaskAsync(PlannerTaskViewModel task)
{
MessageDialog confirmDialog = new MessageDialog(DeleteConfirmDialogMessage);
confirmDialog.Commands.Add(new UICommand {
Id = DeleteConfirmDialogYes, Label = DeleteConfirmDialogYesLabel
});
confirmDialog.Commands.Add(new UICommand {
Id = DeleteConfirmDialogNo, Label = DeleteConfirmDialogNoLabel
});
confirmDialog.DefaultCommandIndex = 0;
confirmDialog.CancelCommandIndex = 1;
IUICommand result = await confirmDialog.ShowAsync();
if (result.Id.ToString() == DeleteConfirmDialogYes)
{
try
{
GraphServiceClient graphClient = await GraphServiceHelper.GetGraphServiceClientAsync();
if (graphClient != null)
{
PlannerTask taskToUpdate = await graphClient.Planner.Tasks[task.Id].Request().GetAsync();
await graphClient.Planner.Tasks[task.Id].Request().Header(HttpHeaderIfMatch, taskToUpdate.GetEtag()).DeleteAsync();
task.PropertyChanged -= TaskViewModel_PropertyChanged;
Tasks.Remove(task);
_allTasks.Remove(task);
}
}
catch (Exception exception)
{
MessageDialog messageDialog = new MessageDialog(exception.Message);
await messageDialog.ShowAsync();
}
}
}
private async void TaskViewModel_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
{
PlannerTaskViewModel plannerTaskViewModel = sender as PlannerTaskViewModel;
if (Tasks.Contains(plannerTaskViewModel))
{
Dictionary <string, object> task = new Dictionary <string, object>();
bool skipUpdate = false;
switch (e.PropertyName)
{
case nameof(plannerTaskViewModel.AssignmentIds):
await GetAssignmentsAsync(plannerTaskViewModel);
PlannerAssignments assignments = new PlannerAssignments();
foreach (string assignee in plannerTaskViewModel.AssignmentIds)
{
assignments.AddAssignee(assignee);
}
task.Add(TaskAssignmentsJsonName, assignments);
break;
case nameof(plannerTaskViewModel.Title):
task.Add(TaskTitleJsonName, plannerTaskViewModel.Title);
break;
case nameof(plannerTaskViewModel.BucketId):
string bucketName = string.Empty;
foreach (PlannerBucket bucket in Buckets)
{
if (bucket.Id == plannerTaskViewModel.BucketId)
{
bucketName = bucket.Name;
break;
}
}
plannerTaskViewModel.BucketName = bucketName;
task.Add(TaskBucketIdJsonName, plannerTaskViewModel.BucketId);
if (string.IsNullOrEmpty(plannerTaskViewModel.BucketId))
{
skipUpdate = true;
}
break;
case nameof(plannerTaskViewModel.DueDateTime):
task.Add(TaskDueDateTimeJsonName, plannerTaskViewModel.DueDateTime);
if (_list.ContainerFromItem(plannerTaskViewModel) is ListViewItem taskContainer)
{
var flyout = taskContainer.ContentTemplateRoot.FindDescendants <Button>().FirstOrDefault(s => s.Flyout != null)?.Flyout;
if (flyout != null)
{
flyout.Hide();
}
}
break;
default:
skipUpdate = true;
break;
}
if (!skipUpdate)
{
plannerTaskViewModel.IsUpdating = true;
try
{
GraphServiceClient graphClient = await GraphServiceHelper.GetGraphServiceClientAsync();
if (graphClient != null)
{
PlannerTask taskToUpdate = await graphClient.Planner.Tasks[plannerTaskViewModel.Id].Request().GetAsync();
if (task.ContainsKey(TaskAssignmentsJsonName))
{
PlannerAssignments assignments = task[TaskAssignmentsJsonName] as PlannerAssignments;
string[] oldAssignees = taskToUpdate.Assignments.Assignees.ToArray();
string[] newAssignees = assignments.Assignees.ToArray();
foreach (string userId in oldAssignees)
{
if (!newAssignees.Contains(userId))
{
assignments.AddAssignee(userId);
assignments[userId] = null;
}
}
}
plannerTaskViewModel.ETag = taskToUpdate.GetEtag();
using (HttpRequestMessage request = graphClient.Planner.Tasks[plannerTaskViewModel.Id].Request().GetHttpRequestMessage())
{
request.Method = new HttpMethod(HttpMethodPatch);
string json = JsonConvert.SerializeObject(task);
request.Content = new StringContent(json, System.Text.Encoding.UTF8, MediaTypeJson);
request.Headers.Add(HttpHeaderIfMatch, plannerTaskViewModel.ETag);
await graphClient.AuthenticationProvider.AuthenticateRequestAsync(request);
HttpResponseMessage response = await graphClient.HttpProvider.SendAsync(request);
response.Dispose();
}
}
}
catch (Exception exception)
{
MessageDialog messageDialog = new MessageDialog(exception.Message);
await messageDialog.ShowAsync();
}
plannerTaskViewModel.IsUpdating = false;
}
}
}