private async Task LoadBlocking()
{
var dataStore = await GetDataStore();
DataItemMegaItem[] dataItems;
using (await Locks.LockDataForReadAsync("SemesterItemsViewGroup.LoadBlocking"))
{
Guid semesterIdentifier = Semester.Identifier;
Guid[] classIdentifiers = Semester.Classes.Select(i => i.Identifier).ToArray();
dataItems = dataStore.TableMegaItems.Where(ShouldIncludeItemFunction(semesterIdentifier, classIdentifiers)).ToArray();
}
await Dispatcher.RunAsync(delegate
{
foreach (var i in dataItems)
{
Add(i);
}
if (dataItems.Length > 0)
{
OnItemsChanged?.Invoke(this, new EventArgs());
}
});
}
private async void TryAskingForRatingIfNeeded()
{
try
{
// If we haven't asked for rating yet
if (!ApplicationData.Current.RoamingSettings.Values.ContainsKey("HasAskedForRating"))
{
if (ViewModel.CurrentAccount != null)
{
var dataStore = await AccountDataStore.Get(ViewModel.CurrentLocalAccountId);
// If they actually have a decent amount of tasks/events
if (await System.Threading.Tasks.Task.Run(async delegate
{
using (await Locks.LockDataForReadAsync())
{
return(dataStore.TableMegaItems.Count() > 15);
}
}))
{
CustomMessageBox mb = new CustomMessageBox("Thanks for using Power Planner! If you love the app, please leave a rating in the Store! If you have any suggestions or issues, please email me!", "★ Review App ★", "Review", "Email Dev", "Close");
mb.Response += mbAskForReview_Response;
mb.Show();
ApplicationData.Current.RoamingSettings.Values["HasAskedForRating"] = true;
}
}
}
}
catch { }
}
private async Task LoadBlocking()
{
var dataStore = await GetDataStore();
DataItemYear[] dataYears;
DataItemSemester[] dataSemesters;
DataItemClass[] dataClasses;
DataItemWeightCategory[] dataWeightCategories;
DataItemMegaItem[] dataMegaItems;
DataItemGrade[] dataGrades;
// Need to lock the whole thing so that if something is added while we're constructing, it'll be added after we've constructed
using (await Locks.LockDataForReadAsync("YearsViewItemsGroup.LoadBlocking"))
{
dataYears = dataStore.TableYears.ToArray();
dataSemesters = dataStore.TableSemesters.ToArray();
dataClasses = dataStore.TableClasses.ToArray();
dataWeightCategories = dataStore.TableWeightCategories.ToArray();
dataGrades = dataStore.TableGrades.ToArray();
dataMegaItems = dataStore.TableMegaItems.Where(i =>
(i.MegaItemType == PowerPlannerSending.MegaItemType.Homework || i.MegaItemType == PowerPlannerSending.MegaItemType.Exam) &&
i.WeightCategoryIdentifier != PowerPlannerSending.BaseHomeworkExam.WEIGHT_CATEGORY_EXCLUDED).ToArray();
var school = new ViewItemSchool(CreateYear);
school.FilterAndAddChildren(dataYears);
foreach (var year in school.Years)
{
year.FilterAndAddChildren(dataSemesters);
foreach (var semester in year.Semesters)
{
semester.FilterAndAddChildren(dataClasses);
foreach (var classItem in semester.Classes)
{
classItem.FilterAndAddChildren(dataWeightCategories);
foreach (var weight in classItem.WeightCategories)
{
weight.FilterAndAddChildren <BaseDataItemHomeworkExamGrade>(dataGrades);
weight.FilterAndAddChildren <BaseDataItemHomeworkExamGrade>(dataMegaItems);
}
}
}
}
// Sort the years here, since when initially inserting they can't be sorted, since they
// sort based on their start dates, but their start dates are calculated based on their
// semesters, and their semesters hadn't been added when the years are inserted
school.Years.Sort();
this.School = school;
}
School.CalculateEverything();
}
private static async Task <bool> CheckThatSemesterIsValidBlocking(Guid localAccountId, Guid semesterId)
{
var dataStore = await AccountDataStore.Get(localAccountId);
using (await Locks.LockDataForReadAsync())
{
return(dataStore.TableSemesters.Count(i => i.Identifier == semesterId) > 0);
}
}
private async Task LoadBlocking()
{
var dataStore = await GetDataStore();
DataItemClass[] dataClasses;
DataItemSchedule[] dataSchedules;
DataItemWeightCategory[] dataWeights = null; // Weights are now needed for adding tasks/events
DataItemSemester dataSemester;
using (await Locks.LockDataForReadAsync("ScheduleViewItemsGroup.LoadBlocking"))
{
var timeTracker = TimeTracker.Start();
dataSemester = dataStore.TableSemesters.FirstOrDefault(i => i.Identifier == SemesterId);
if (dataSemester == null)
{
throw new SemesterNotFoundException();
}
dataClasses = dataStore.TableClasses.Where(i => i.UpperIdentifier == SemesterId).ToArray();
Guid[] classIdentifiers = dataClasses.Select(i => i.Identifier).ToArray();
dataSchedules = dataStore.TableSchedules.Where(i => classIdentifiers.Contains(i.UpperIdentifier)).ToArray();
if (_includeWeightCategories)
{
dataWeights = dataStore.TableWeightCategories.Where(i => classIdentifiers.Contains(i.UpperIdentifier)).ToArray();
}
timeTracker.End(3, "ScheduleViewItemsGroup.LoadBlocking loading items from database");
timeTracker = TimeTracker.Start();
var semester = new ViewItemSemester(dataSemester, CreateClass);
semester.FilterAndAddChildren(dataClasses);
foreach (var c in semester.Classes)
{
c.FilterAndAddChildren(dataSchedules);
if (_includeWeightCategories)
{
c.FilterAndAddChildren(dataWeights);
}
}
this.Semester = semester;
timeTracker.End(3, "ScheduleViewItemsGroup.LoadBlocking constructing view items");
}
}
private static async Task <ClassData> LoadDataBlocking(AccountDataStore data, Guid classId, DateTime todayAsUtc, ClassTileSettings settings)
{
DateTime dateToStartDisplayingFrom = DateTime.SpecifyKind(settings.GetDateToStartDisplayingOn(todayAsUtc), DateTimeKind.Local);
Guid semesterId = Guid.Empty;
// We lock the outside, since we are allowing trackChanges on the view items groups (so we have a chance of loading a cached one)... and since we're on a background thread, the lists inside the
// view items groups could change while we're enumerating, hence throwing an exception. So we lock it to ensure this won't happen, and then we return a copy of the items that we need.
using (await Locks.LockDataForReadAsync())
{
// First we need to obtain the semester id
var c = data.TableClasses.FirstOrDefault(i => i.Identifier == classId);
if (c == null)
{
return(null);
}
semesterId = c.UpperIdentifier;
}
// We need all classes loaded, to know what time the end of day is
var scheduleViewItemsGroup = await ScheduleViewItemsGroup.LoadAsync(data.LocalAccountId, semesterId, trackChanges : true, includeWeightCategories : false);
var classViewItemsGroup = await ClassViewItemsGroup.LoadAsync(
localAccountId : data.LocalAccountId,
classId : classId,
today : DateTime.SpecifyKind(todayAsUtc, DateTimeKind.Local),
viewItemSemester : scheduleViewItemsGroup.Semester,
includeWeights : false);
classViewItemsGroup.LoadTasksAndEvents();
await classViewItemsGroup.LoadTasksAndEventsTask;
List <ViewItemTaskOrEvent> copied;
using (await classViewItemsGroup.DataChangeLock.LockForReadAsync())
{
// Class view group sorts the items, so no need to sort
copied = classViewItemsGroup.Class.TasksAndEvents.Where(i => i.Date.Date >= dateToStartDisplayingFrom).ToList();
}
return(new ClassData()
{
Class = classViewItemsGroup.Class,
AllUpcoming = copied
});
}
public override async Task <bool> ShouldShowAsync(AccountDataItem account)
{
// Don't show for offline accounts or for devices that aren't Desktop
if (account == null || !account.IsOnlineAccount || InterfacesUWP.DeviceInfo.DeviceFamily != InterfacesUWP.DeviceFamily.Desktop)
{
return(false);
}
if (ApplicationData.Current.RoamingSettings.Values.ContainsKey(SETTING_HAS_PROMOTED_ANDROID_AND_IOS))
{
return(false);
}
var dataStore = await AccountDataStore.Get(account.LocalAccountId);
// If they actually have some classes
bool hasContent;
using (await Locks.LockDataForReadAsync())
{
hasContent = dataStore.TableClasses.Count() > 1;
}
if (hasContent)
{
// Try downloading and then show
ShouldSuggestOtherPlatformsResponse response = await account.PostAuthenticatedAsync <ShouldSuggestOtherPlatformsRequest, ShouldSuggestOtherPlatformsResponse>(
Website.URL + "shouldsuggestotherplatforms",
new ShouldSuggestOtherPlatformsRequest()
{
CurrentPlatform = "Windows 10"
});
if (response.ShouldSuggest)
{
return(true);
}
// No need to suggest in the future nor show now
MarkShown(account);
return(false);
}
else
{
// Not enough content to show right now
return(false);
}
}
public override async Task <bool> ShouldShowAsync(AccountDataItem account)
{
if (account == null)
{
return(false);
}
// If we've already shown
if (Helpers.Settings.HasShownPromoContribute)
{
return(false);
}
var dataStore = await AccountDataStore.Get(account.LocalAccountId);
// If they actually have lots of tasks
using (await Locks.LockDataForReadAsync())
{
return(dataStore.ActualTableMegaItems.Count() > 60);
}
}
private async Task LoadBlocking()
{
var dataStore = await GetDataStore();
Guid semesterId = Semester.Identifier;
DateTime startAsUtc = DateTime.SpecifyKind(StartDate, DateTimeKind.Utc);
DateTime endAsUtc = DateTime.SpecifyKind(EndDate, DateTimeKind.Utc);
DataItemMegaItem[] dataItemHolidays;
using (await Locks.LockDataForReadAsync("HolidayViewItemsGroup.LoadBlocking"))
{
dataItemHolidays = dataStore.TableMegaItems.Where(i =>
i.MegaItemType == PowerPlannerSending.MegaItemType.Holiday &&
i.UpperIdentifier == semesterId &&
((i.Date <= startAsUtc && i.EndTime >= startAsUtc) ||
(i.Date >= startAsUtc && i.Date <= endAsUtc))).ToArray();
}
Holidays = new MyObservableList <ViewItemHoliday>(dataItemHolidays.Select(i => new ViewItemHoliday(i)));
}
private async Task LoadBlocking()
{
var dataStore = await GetDataStore();
DataItemMegaItem[] dataItems;
using (await Locks.LockDataForReadAsync("AgendaViewItemsGroup.LoadBlocking"))
{
Guid[] classIdentifiers = _semester.Classes.Select(i => i.Identifier).ToArray();
DateTime todayAsUtc = DateTime.SpecifyKind(Today, DateTimeKind.Utc);
dataItems = dataStore.TableMegaItems.Where(ShouldIncludeItemFunction(classIdentifiers, todayAsUtc)).ToArray();
this.Items = new MyObservableList <ViewItemTaskOrEvent>();
foreach (var i in dataItems)
{
Add(i);
}
}
}
private async void TryAskingForRatingIfNeeded()
{
try
{
// If we haven't asked for rating yet
if (!PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating)
{
if (ViewModel.CurrentAccount != null)
{
var dataStore = await AccountDataStore.Get(ViewModel.CurrentLocalAccountId);
// If they actually have a decent amount of homework
if (await System.Threading.Tasks.Task.Run(async delegate
{
using (await Locks.LockDataForReadAsync())
{
return(dataStore.TableMegaItems.Count() > 30 && dataStore.TableMegaItems.Any(i => i.DateCreated < DateTime.Today.AddDays(-60)));
}
}))
{
var builder = new Android.App.AlertDialog.Builder(Context);
builder
.SetTitle("★ Review App ★")
.SetMessage("Thanks for using Power Planner! If you love the app, please leave a rating in the Store! If you have any suggestions or issues, please email me!")
.SetNeutralButton("Review", delegate { OpenReview(); }) // Neutral is displayed more prominently
.SetPositiveButton("Email Dev", delegate { AboutView.EmailDeveloper(Context, base.ViewModel); })
.SetNegativeButton("Close", delegate { });
builder.Create().Show();
PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating = true;
}
}
}
}
catch { }
}
private async void LoadPastCompletedHomeworkAndExams()
{
if (_hasLoadedPastCompletedHomeworkAndExams)
{
return;
}
_hasLoadedPastCompletedHomeworkAndExams = true;
try
{
var dataStore = await GetDataStore();
DataItemMegaItem[] additionalHomeworkAndExams;
using (await Locks.LockDataForReadAsync())
{
// Get the data items that we haven't loaded yet
additionalHomeworkAndExams = dataStore.TableMegaItems.Where(IsPastCompletedHomeworkOrExamFunction(_classId, TodayAsUtc)).ToArray();
// Exclude any that are already loaded (due to the events being complicated to calculate whether they're incomplete, we end up double loading items that are on today)
additionalHomeworkAndExams = additionalHomeworkAndExams.Where(a => !this.Class.HomeworkAndExams.Any(i => i.Identifier == a.Identifier)).ToArray();
// And then update the child function so that we include all homework for the class, and inject the new items
this.Class.UpdateIsChildMethod <DataItemMegaItem, BaseViewItemHomeworkExam>(i => i.UpperIdentifier == _classId && i.MegaItemType == PowerPlannerSending.MegaItemType.Homework || i.MegaItemType == PowerPlannerSending.MegaItemType.Exam, additionalHomeworkAndExams);
}
// Include the opposite of the other function
PastCompletedHomework = new PastCompletedHomeworkList(this.Class.HomeworkAndExams.OfTypeObservable <ViewItemHomework>(), TodayAsUtc);
PastCompletedExams = new PastCompletedExamsList(this.Class.HomeworkAndExams.OfTypeObservable <ViewItemExam>(), TodayAsUtc);
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
}
public async Task HandleViewHolidayActivation(Guid localAccountId, Guid holidayId)
{
DataItemMegaItem holiday = await Task.Run(async delegate
{
using (await Locks.LockDataForReadAsync("HandleViewHolidayActivation"))
{
var dataStore = await AccountDataStore.Get(localAccountId);
if (dataStore == null)
{
return(null);
}
return(dataStore.TableMegaItems.FirstOrDefault(i =>
i.MegaItemType == PowerPlannerSending.MegaItemType.Holiday &&
i.Identifier == holidayId));
}
});
if (holiday != null)
{
var holidayDate = DateTime.SpecifyKind(holiday.Date, DateTimeKind.Local);
var desiredDisplayMonth = holidayDate;
var mainScreen = GetMainScreenViewModel();
if (mainScreen != null && mainScreen.CurrentAccount != null && mainScreen.CurrentAccount.LocalAccountId == localAccountId && mainScreen.Content is CalendarViewModel)
{
(mainScreen.Content as CalendarViewModel).DisplayMonth = desiredDisplayMonth;
(mainScreen.Content as CalendarViewModel).SelectedDate = holidayDate;
}
else
{
NavigationManager.SetDisplayMonth(desiredDisplayMonth);
NavigationManager.SetSelectedDate(holidayDate);
await HandleSelectMenuItemActivation(localAccountId, NavigationManager.MainMenuSelections.Calendar);
}
}
}
private async void TryAskingForRatingIfNeeded()
{
try
{
// If we haven't asked for rating yet
if (!PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating)
{
if (ViewModel.CurrentAccount != null)
{
var dataStore = await AccountDataStore.Get(ViewModel.CurrentLocalAccountId);
// If they actually have a decent amount of tasks
if (await System.Threading.Tasks.Task.Run(async delegate
{
using (await Locks.LockDataForReadAsync())
{
return(dataStore.TableMegaItems.Count() > 30 && dataStore.TableMegaItems.Any(i => i.DateCreated < DateTime.Today.AddDays(-60)));
}
}))
{
var alert = UIAlertController.Create(
title: "★ Review App ★",
message: "Thanks for using Power Planner! If you love the app, please leave a rating in the Store! If you have any suggestions or issues, please email me!",
preferredStyle: UIAlertControllerStyle.Alert);
alert.AddAction(UIAlertAction.Create("Review", UIAlertActionStyle.Default, delegate
{
PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating = true;
PowerPlannerAppDataLibrary.Helpers.Settings.HasReviewedOrEmailedDev = true;
TelemetryExtension.Current?.TrackEvent("PromptReviewApp_ClickedReview");
OpenStoreReview();
}));
alert.AddAction(UIAlertAction.Create("Email dev", UIAlertActionStyle.Default, delegate
{
PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating = true;
PowerPlannerAppDataLibrary.Helpers.Settings.HasReviewedOrEmailedDev = true;
TelemetryExtension.Current?.TrackEvent("PromptReviewApp_ClickedEmailDev");
Settings.AboutViewController.EmailDeveloper();
}));
alert.AddAction(UIAlertAction.Create("No thanks", UIAlertActionStyle.Cancel, delegate
{
PowerPlannerAppDataLibrary.Helpers.Settings.HasAskedForRating = true;
TelemetryExtension.Current?.TrackEvent("PromptReviewApp_ClickedNoThanks");
}));
PresentViewController(alert, true, null);
}
}
}
// If the user previously clicked No thanks, we'll try the new in-app review dialog
else if (!PowerPlannerAppDataLibrary.Helpers.Settings.HasReviewedOrEmailedDev)
{
if (UIDevice.CurrentDevice.CheckSystemVersion(10, 3))
{
// This will only sometimes show a dialog, at most 3 times a year
// It will still display if they already rated, meaning users who previously clicked
// No thanks on my own dialog will persistently get this dialog, but that should be ok
StoreKit.SKStoreReviewController.RequestReview();
}
}
}
catch { }
}
public async void LoadHomeworkAndExams()
{
try
{
if (_hasHomeworkAndExamsBeenRequested)
{
return;
}
_hasHomeworkAndExamsBeenRequested = true;
bool hasPastCompletedHomework = false;
bool hasPastCompletedExams = false;
SemesterItemsViewGroup cached = null;
if (this.Class.Semester != null)
{
cached = SemesterItemsViewGroup.GetCached(this.Class.Semester.Identifier);
}
if (cached != null)
{
await cached.LoadingTask;
DataItemMegaItem[] dataMegaItems = cached.Items
.OfType <BaseViewItemHomeworkExam>()
.Select(i => i.DataItem)
.OfType <DataItemMegaItem>()
.ToArray();
this.Class.AddHomeworkAndExamChildrenHelper(CreateHomeworkOrExam, ShouldIncludeHomeworkOrExamFunction(_classId, TodayAsUtc));
this.Class.FilterAndAddChildren(dataMegaItems);
hasPastCompletedHomework = dataMegaItems.Any(IsPastCompletedHomeworkFunction(_classId, TodayAsUtc));
hasPastCompletedExams = dataMegaItems.Any(IsPastCompletedExamFunction(_classId, TodayAsUtc));
}
else
{
await Task.Run(async delegate
{
var dataStore = await GetDataStore();
DataItemMegaItem[] dataHomeworks;
using (await Locks.LockDataForReadAsync())
{
dataHomeworks = dataStore.TableMegaItems.Where(ShouldIncludeHomeworkOrExamFunction(_classId, TodayAsUtc)).ToArray();
this.Class.AddHomeworkAndExamChildrenHelper(CreateHomeworkOrExam, ShouldIncludeHomeworkOrExamFunction(_classId, TodayAsUtc));
this.Class.FilterAndAddChildren(dataHomeworks);
hasPastCompletedHomework = dataStore.TableMegaItems.Any(IsPastCompletedHomeworkFunction(_classId, TodayAsUtc));
hasPastCompletedExams = dataStore.TableMegaItems.Any(IsPastCompletedExamFunction(_classId, TodayAsUtc));
}
});
}
HasPastCompletedHomework = hasPastCompletedHomework;
HasPastCompletedExams = hasPastCompletedExams;
Homework = this.Class.HomeworkAndExams.Sublist(ShouldIncludeInNormalHomeworkFunction(TodayAsUtc)).Cast <ViewItemHomework>();
Exams = new MyObservableList <ViewItemExam>();
(Exams as MyObservableList <ViewItemExam>).InsertSorted(
this.Class.HomeworkAndExams.Sublist(ShouldIncludeInNormalExamsFunction()).Cast <ViewItemExam>());
OnPropertyChanged(nameof(Homework));
OnPropertyChanged(nameof(Exams));
_loadHomeworkAndExamsCompletionSource.SetResult(true);
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
}
public async void LoadGrades()
{
try
{
if (_hasGradesBeenRequested)
{
return;
}
_hasGradesBeenRequested = true;
await Task.Run(async delegate
{
try
{
var dataStore = await GetDataStore();
DataItemGrade[] dataGrades;
DataItemMegaItem[] dataItems;
using (await Locks.LockDataForReadAsync())
{
Guid[] weightIds = this.Class.WeightCategories.Select(i => i.Identifier).ToArray();
dataGrades = dataStore.TableGrades.Where(i => weightIds.Contains(i.UpperIdentifier)).ToArray();
dataItems = dataStore.TableMegaItems.Where(i =>
(i.MegaItemType == PowerPlannerSending.MegaItemType.Exam || i.MegaItemType == PowerPlannerSending.MegaItemType.Homework) &&
i.UpperIdentifier == _classId &&
i.WeightCategoryIdentifier != PowerPlannerSending.BaseHomeworkExam.WEIGHT_CATEGORY_EXCLUDED)
.ToArray();
var unassignedItems = new MyObservableList <BaseViewItemHomeworkExam>();
unassignedItems.InsertSorted(dataItems
.Where(i => IsUnassignedChild(i))
.Select(i =>
i.MegaItemType == PowerPlannerSending.MegaItemType.Homework ?
new ViewItemHomework(i)
{
Class = this.Class, WeightCategory = ViewItemWeightCategory.UNASSIGNED
} as BaseViewItemHomeworkExam
: new ViewItemExam(i)
{
Class = this.Class, WeightCategory = ViewItemWeightCategory.UNASSIGNED
}));
PortableDispatcher.GetCurrentDispatcher().Run(delegate
{
try
{
foreach (var weight in this.Class.WeightCategories)
{
weight.AddGradesHelper(ViewItemWeightCategory.CreateGradeHelper);
weight.FilterAndAddChildren <BaseDataItemHomeworkExamGrade>(dataGrades);
weight.FilterAndAddChildren <BaseDataItemHomeworkExamGrade>(dataItems);
}
Class.CalculateEverything();
UnassignedItems = unassignedItems;
HasUnassignedItems = unassignedItems.Count > 0;
_loadGradesTaskSource.SetResult(true);
IsGradesLoaded = true;
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
});
}
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
});
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
}
private async Task LoadBlocking(ViewItemSemester viewItemSemester, bool includeWeights)
{
var dataStore = await GetDataStore();
DataItemClass dataClass;
DataItemClass[] dataClasses;
DataItemSchedule[] dataSchedules;
DataItemWeightCategory[] dataWeights;
using (await Locks.LockDataForReadAsync("ClassViewItemsGroup.LoadBlocking"))
{
dataClasses = viewItemSemester.Classes.Select(i => i.DataItem).OfType <DataItemClass>().ToArray();
var viewClassRef = viewItemSemester.Classes.FirstOrDefault(i => i.Identifier == _classId);
dataClass = viewClassRef?.DataItem as DataItemClass;
if (dataClass == null)
{
throw new ClassNotFoundExcetion();
}
dataSchedules = viewClassRef.Schedules.Select(i => i.DataItem).OfType <DataItemSchedule>().ToArray();
if (includeWeights)
{
// Get weights for ALL classes, since we need them for editing purposes when editing item to different class
dataWeights = viewItemSemester.Classes.SelectMany(i => i.WeightCategories).Select(i => i.DataItem).OfType <DataItemWeightCategory>().ToArray();
}
else
{
dataWeights = null;
}
Func <DataItemWeightCategory, ViewItemWeightCategory> createWeight = null;
if (includeWeights)
{
createWeight = CreateWeight;
}
var classItem = new ViewItemClass(
dataClass,
createScheduleMethod: CreateSchedule,
createWeightMethod: createWeight);
classItem.FilterAndAddChildren(dataSchedules);
if (includeWeights)
{
classItem.FilterAndAddChildren(dataWeights);
}
this.Class = classItem;
_semester = new ViewItemSemester(dataClass.UpperIdentifier, createClassMethod: CreateClass);
dataClasses = dataStore.TableClasses.Where(i => i.UpperIdentifier == _semester.Identifier).ToArray();
_semester.FilterAndAddChildren(dataClasses);
// Add the weights for the other classes
if (includeWeights)
{
foreach (var c in _semester.Classes.Where(i => i.Identifier != this.Class.Identifier))
{
c.FilterAndAddChildren(dataWeights);
}
}
}
// If there were no weights in the class, we need to create and add a weight
if (this.Class.WeightCategories != null && this.Class.WeightCategories.Count == 0)
{
TelemetryExtension.Current?.TrackEvent("Error_ClassMissingWeightCategoryAddingDefault");
DataChanges changes = new DataLayer.DataChanges();
changes.Add(AccountDataStore.CreateDefaultWeightCategory(this.Class.Identifier));
await PowerPlannerApp.Current.SaveChanges(changes);
}
}
private async Task ApplyFilterBlocking(DateTime prevStart, DateTime prevEnd, DateRange filterRequest)
{
DateTime newStart = filterRequest.Start;
DateTime newEnd = filterRequest.End;
DateTime notLoadedStart;
DateTime notLoadedEnd;
// We're only supporting where the date range shifts in one direction.
// We're not supporting where the date range expands in both directions.
if (newEnd > prevEnd)
{
notLoadedEnd = newEnd;
if (newStart < prevEnd)
{
notLoadedStart = prevEnd.AddTicks(1);
}
else
{
notLoadedStart = newStart;
}
}
else if (newStart < prevStart)
{
notLoadedStart = newStart;
if (newEnd > prevStart)
{
notLoadedEnd = prevStart.AddTicks(-1);
}
else
{
notLoadedEnd = newEnd;
}
}
else
{
return;
}
var dataStore = await GetDataStore();
using (await Locks.LockDataForReadAsync())
{
// If the pending filter request has changed, do nothing
if (_pendingFilterRequest != filterRequest)
{
return;
}
Guid[] classIdentifiers = Semester.Classes.Select(i => i.Identifier).ToArray();
DataItemMegaItem[] dataItems = dataStore.TableMegaItems.Where(ShouldIncludeItemFunction(classIdentifiers, notLoadedStart, notLoadedEnd)).ToArray();
// We need to dispatch to UI thread to actually change the collection
try
{
Dispatcher.Run(delegate
{
// If the pending filter request has changed, do nothing
if (_pendingFilterRequest != filterRequest)
{
return;
}
// Remove all that are no longer in the date range (don't worry about class changing since data didn't change here)
Items.RemoveWhere(i => !ShouldIncludeItem(i, newStart, newEnd));
// Then add the new items
foreach (var h in dataItems)
{
Add(h);
}
Start = newStart;
End = newEnd;
});
}
catch (Exception ex)
{
TelemetryExtension.Current?.TrackException(ex);
}
}
}
protected async Task LoadBlocking(Guid examId)
{
var dataStore = await GetDataStore();
if (dataStore == null)
{
throw new NullReferenceException("Account doesn't exist");
}
DataItemMegaItem dataItem;
// We need ALL classes loaded, including their schedules, and their weight categories.
// Might as well just use ScheduleViewItemsGroup therefore.
Guid semesterId;
Guid classId = Guid.Empty;
using (await Locks.LockDataForReadAsync("BaseSingleItemViewItemsGroup.LoadBlocking"))
{
dataItem = dataStore.TableMegaItems.FirstOrDefault(i => i.Identifier == examId);
if (dataItem == null)
{
TelemetryExtension.Current?.TrackEvent("Error_LoadSingleItem_CouldNotFind", new Dictionary <string, string>()
{
{ "ItemId", examId.ToString() }
});
// Leave the Item set to null
return;
}
if (dataItem.MegaItemType == PowerPlannerSending.MegaItemType.Task || dataItem.MegaItemType == PowerPlannerSending.MegaItemType.Event)
{
semesterId = dataItem.UpperIdentifier;
classId = dataItem.UpperIdentifier;
}
else
{
var dataClass = dataStore.TableClasses.FirstOrDefault(i => i.Identifier == dataItem.UpperIdentifier);
if (dataClass == null)
{
throw new NullReferenceException("Class not found. Item id " + examId);
}
semesterId = dataClass.UpperIdentifier;
classId = dataClass.Identifier;
}
}
_scheduleViewItemsGroup = await ScheduleViewItemsGroup.LoadAsync(LocalAccountId, semesterId : semesterId, trackChanges : trackChanges, includeWeightCategories : true);
// Grab the class for the item
ViewItemClass viewClass;
if (dataItem.MegaItemType == PowerPlannerSending.MegaItemType.Task || dataItem.MegaItemType == PowerPlannerSending.MegaItemType.Event)
{
viewClass = _scheduleViewItemsGroup.Semester.NoClassClass;
}
else
{
viewClass = _scheduleViewItemsGroup.Semester.Classes.FirstOrDefault(i => i.Identifier == classId);
if (viewClass == null)
{
throw new NullReferenceException("ViewItemClass not found. Item id " + examId);
}
}
// And create the item
Item = CreateItem(dataItem, viewClass);
}