public Task Filter()
{
if (!FilterQuery.IsNullOrEmpty())
{
try
{
if (FilterQuery != _lastFilterQuery)
{
if (_lastFilterQuery.IsNullOrEmpty())
{
_cachedEvents = Events;
}
_lastFilterQuery = FilterQuery;
char[] toTrim = { ' ', '"', '\'' };
var query = FilterQuery.Trim(toTrim);
Events = _dbs.GetEvents(query).ToObservableCollection();
}
}
catch (Newtonsoft.Json.JsonException)
{
throw new FormatException("Incorrect oauth token file format. Restore or delete it and try again");
}
catch (DataException)
{
throw new DataException("Failed to modify database. Verify the connection and try again");
}
}
else if (_cachedEvents != null)
{
Events = _cachedEvents;
}
return(Task.CompletedTask);
}