private async Task FetchLatestEvents()
{
if (IsBusy)
{
return;
}
IsBusy = true;
HasError = false;
Error = null;
meetings.Clear();
int year = (selectedYear == "无" || selectedYear == null) ? -1 : int.Parse(selectedYear);
int month = (selectedMonth == "无" || selectedMonth == null) ? -1 : int.Parse(selectedMonth);
int day = (selectedDay == "无" || selectedDay == null) ? -1 : int.Parse(selectedDay);
var result = await eventService.FetchMeetings(year, month, day);
IsBusy = false;
if (result.HasError)
{
HasError = true;
Error = result.Error;
}
else
{
var groups = result.Model.GroupBy(i => i.MeetingCreatedAt.ToString("yyyy年MM月"))
.Select(i => {
var group = new PageTypeGroup(i.Key, "");
group.AddRange(i);
return(group);
}).ToList();
foreach (var item in groups)
{
meetings.Add(item);
}
}
}
public Task <Result <IList <PageTypeGroup> > > FetchLatestEvent()
{
return(Task.Run(() =>
{
var result = new Result <IList <PageTypeGroup> >();
var meetings = SimpleData.Instance.GetMeetings();
result.Model = meetings
.GroupBy(i => i.Time.ToString("yyyy年MM月"))
.Select(i =>
{
var group = new PageTypeGroup(i.Key, "");
group.AddRange(i);
return group;
}).ToList();
return result;
}));
}
internal async Task <bool> SetMeetingReaded(Meeting meeting)
{
if (IsBusy)
{
return(false);
}
IsBusy = true;
HasError = false;
Error = null;
Result <bool> result = await eventService.SetMeetingReaded(meeting);
if (result.HasError)
{
HasError = true;
Error = result.Error;
}
else
{
if (result.Model)
{
meeting.IsReaded = true;
PageTypeGroup selectedGroup = null;
int index = 0;
foreach (var group in meetings)
{
if (group.Contains(meeting))
{
selectedGroup = group;
break;
}
index++;
}
meetings.RemoveAt(index);
meetings.Insert(index, selectedGroup);
}
}
IsBusy = false;
return(result.Model);
}
