private void CheckQuestPage(NameValueCollection req, getmember_questlist api)
{
int checkfrom, checkto;
int type = req.GetInt("api_tab_id");
CycleCount();
if (api.api_list == null)
{
if (api.api_disp_page == 1)
{
AvilableQuests.Clear();
}
OnAllPropertyChanged();
return;
}
checkfrom = api.api_list.First().api_no;
checkto = api.api_list.Last().api_no;
if (api.api_disp_page == 1)
{
checkfrom = int.MinValue;
}
else if (lastcheckedpage == api.api_disp_page - 1)
{
checkfrom = lastcheckedto + 1;
}
if (api.api_disp_page == api.api_page_count)
{
checkto = int.MaxValue;
}
else if (lastcheckedpage == api.api_disp_page + 1)
{
checkto = lastcheckedfrom - 1;
}
IEnumerable <Quest> checkremovelist = null;
switch (type)
{
case 0:
checkremovelist = AvilableQuests;
break;
case 1:
checkremovelist = AvilableQuests.Where(x => x.Period == QuestPeriod.Daily);
break;
case 2:
checkremovelist = AvilableQuests.Where(x => x.Period == QuestPeriod.Weekly);
break;
case 3:
checkremovelist = AvilableQuests.Where(x => x.Period == QuestPeriod.Monthly);
break;
case 4:
checkremovelist = AvilableQuests.Where(x => x.Period == QuestPeriod.Once);
break;
}
if (checkremovelist != null)
{
foreach (var item in checkremovelist.Where(x => x.Id >= checkfrom && x.Id <= checkto).ToList())
{
AvilableQuests.Remove(item);
}
}
AvilableQuests.UpdateWithoutRemove(api.api_list, x => x.api_no);
AvilableCount = api.api_count;
InProgressCount = api.api_exec_count;
lastcheckedpage = api.api_disp_page;
lastcheckedfrom = checkfrom;
lastcheckedto = checkto;
lastcheckedtime = DateTimeOffset.UtcNow.ToOffset(QuestUpdateTime);
UpdateInProgress();
OnAllPropertyChanged();
}