public static bool CheckUpdateTimetableFromCistRights()
{
TimeSpan?timePass = DateTime.Now - SettingsDataStore.GetLastTimetableUpdate();
if (timePass != null && timePass <= Config.TimetableManualUpdateMinInterval)
{
return(false);
}
return(true);
}
public static Dictionary <int, EventList> GetEventsFromCist(DateTime dateStart, DateTime dateEnd, params Group[] groups)
{
if (groups == null || groups.Length == 0 || CheckUpdateTimetableFromCistRights() == false)
{
return(null);
}
using (var client = new WebClient())
{
client.Encoding = Encoding.GetEncoding("Windows-1251");
try
{
var timetables = new Dictionary <int, EventList>();
Uri uri = new Uri(Urls.CistTimetableUrl(dateStart, dateEnd, groups.Select(g => g.ID).ToArray()));
string data = client.DownloadString(uri);
SettingsDataStore.UpdateLastTimetableUpdate();
if (groups.Length == 1)
{
List <Event> events = EventList.Parse(data);
if (events == null)
{
return(null);
}
timetables.Add(groups[0].ID, new EventList(events));
}
else
{
Dictionary <string, List <Event> > timetablesStr = EventList.Parse(data, true);
foreach (Group group in groups)
{
List <Event> groupEvents = new List <Event>();
if (timetablesStr.Keys.Contains(group.Name))
{
groupEvents = timetablesStr[group.Name];
}
timetables.Add(group.ID, new EventList(groupEvents));
}
}
foreach (int groupID in timetables.Keys)
{
Serialisation.ToJsonFile(timetables[groupID].Events, FilePath.SavedTimetable(groupID));
Device.BeginInvokeOnMainThread(() =>
{
MessagingCenter.Send(Application.Current, MessageTypes.TimetableUpdated, groupID);
});
}
return(timetables);
}
catch (Exception ex)
{
Device.BeginInvokeOnMainThread(() =>
{
MessagingCenter.Send(Application.Current, MessageTypes.ExceptionOccurred, ex);
});
}
}
return(null);
}
