public async static Task PlanToastNotifications(CancellationToken token, PrayerTimeCalculation prayerCalculation, Location location)
{
if (!token.IsCancellationRequested)
{
await Task.Factory.StartNew(() =>
{
DoToastNotificationPlanning(ref token, prayerCalculation, location);
}, token);
}
}
private async Task UpdateToastNotifications(Location location, MethodBase method, string asrMethod, string midnightMethod)
{
this.source = new CancellationTokenSource();
PrayerTimeCalculation prayerCalculation = new PrayerTimeCalculation(
method,
ConvertStringToAsrMethod(asrMethod),
ConvertStringToMidnightMethod(midnightMethod),
this.MaghribAdjustement);
await Notification.PlanToastNotifications(source.Token, prayerCalculation, location);
}
private void ComputePrayers(TimeZoneInfo timeZoneInfo = null)
{
prayerCalculation = new PrayerTimeCalculation(
GetMethod(),
ConvertStringToAsrMethod(this.asrMethod),
ConvertStringToMidnightMethod(this.midnightMethod),
this.MaghribAdjustement);
Groups = new ObservableCollection<Group>();
int length = 0;
DateTime dateUsed = currentDate, date;
switch (displayMode)
{
case DisplayModes.Today:
length = 1;
break;
case DisplayModes.NextSevenDays:
length = 7;
break;
case DisplayModes.CurrentMonth:
length = DateTime.DaysInMonth(currentDate.Year, currentDate.Month);
dateUsed = new DateTime(currentDate.Year, currentDate.Month, 1);
break;
}
for (int i = 0; i < length; i++)
{
date = dateUsed.AddDays(i);
string day = date.ToString("ddd d MMM");
TimeFormat format = TimeFormat.Format24h;
if (timeZoneInfo != null)
Location.Dst = LocationService.GetTimezoneDST(timeZoneInfo, date);
else
Location.Dst = LocationService.GetDSTByRegion(Location.Country, Location.State, Location.City, Location.TimeZone, date);
ObservableCollection<Prayer> prayers = DictionaryPrayersToCollection(prayerCalculation.GetTimes(date, Location.Latitude, Location.Longitude, Location.TimeZone, Location.Dst, format), date, i - 1);
Group group = new Group();
group.Items = prayers;
group.Title = day;
Groups.Add(group);
}
// Assign the next prayer for each prayer...
for (int i = 0; i < Groups.Count; i++)
{
for (int j = 0; j < Groups[i].Items.Count; j++)
{
if (j + 1 < Groups[i].Items.Count)
Groups[i].Items[j].NextPrayer = Groups[i].Items[j + 1];
else if (i + 1 < Groups.Count)
Groups[i].Items[j].NextPrayer = Groups[i + 1].Items[0];
else
Groups[i].Items[j].NextPrayer = null;
}
}
OnPropertyChanged("Groups");
}
private static void DoToastNotificationPlanning(ref CancellationToken token, PrayerTimeCalculation prayerCalculation, Location location)
{
// Plan notifications for 680 days
int days = 680;
DateTime now = DateTime.Now;
DateTime currentDate = new DateTime(now.Year, now.Month, now.Day);
DateTime date;
XmlDocument toastXml = ToastNotificationManager.GetTemplateContent(ToastTemplateType.ToastText02);
ToastNotifier notifier = ToastNotificationManager.CreateToastNotifier();
// Remove all scheduled notifications
IEnumerable<ScheduledToastNotification> scheduledNotifications = notifier.GetScheduledToastNotifications();
foreach (ScheduledToastNotification scheduledNotification in scheduledNotifications)
{
if (token.IsCancellationRequested)
{
return;
}
notifier.RemoveFromSchedule(scheduledNotification);
}
for (int i = 0; i < days; i++)
{
date = currentDate.AddDays(i);
string day = date.ToString("ddd d MMM");
TimeFormat format = TimeFormat.Format24h;
int dst = LocationService.GetDSTByRegion(location.Country, location.State, location.City, location.TimeZone, date);
IDictionary prayers = prayerCalculation.GetTimes(date, location.Latitude, location.Longitude, location.TimeZone, dst, format);
foreach (DictionaryEntry prayer in prayers)
{
if (token.IsCancellationRequested)
{
return;
}
if (prayer.Key != "Imsak" && prayer.Key != "Sunset" && prayer.Key != "Midnight")
{
string prayerName = prayer.Key.ToString();
if (prayer.Key == "Sunrise")
{
prayerName = "Shuruq";
}
XmlNodeList stringElements = toastXml.GetElementsByTagName("text");
string label = prayerName == "Shuruq" ? loader.GetString("ToastNotificationShuruqText") : loader.GetString("ToastNotificationText");
if (!stringElements.Item(0).HasChildNodes())
{
stringElements.Item(0).AppendChild(toastXml.CreateTextNode(label));
}
else
{
stringElements.Item(0).ReplaceChild(toastXml.CreateTextNode(label), stringElements.Item(0).FirstChild);
}
string prayerText = prayerName + " " + prayer.Value.ToString();
if (!stringElements.Item(1).HasChildNodes())
{
stringElements.Item(1).AppendChild(toastXml.CreateTextNode(prayerText));
}
else
{
stringElements.Item(1).ReplaceChild(toastXml.CreateTextNode(prayerText), stringElements.Item(1).FirstChild);
}
string[] split = prayer.Value.ToString().Split(':');
DateTime prayerTime = date.AddHours(Convert.ToDouble(split[0])).AddMinutes(Convert.ToDouble(split[1]));
if (prayerTime > DateTime.Now)
{
DateTimeOffset displayTime = new DateTimeOffset(prayerTime);
ScheduledToastNotification scheduledToast = new ScheduledToastNotification(toastXml, displayTime);
scheduledToast.Id = prayerName + " " + i;
notifier.AddToSchedule(scheduledToast);
}
}
}
}
}