public void Search()
{
if (_lastUsersRequest != null)
{
_lastUsersRequest.Cancel();
}
var text = Text.Trim();
if (string.IsNullOrEmpty(text))
{
LazyItems.Clear();
Items.Clear();
foreach (var item in _source)
{
Items.Add(item);
}
//Status = string.IsNullOrEmpty(Text) ? AppResources.SearchAmongYourContacts : AppResources.NoResults;
return;
}
SearchUsersRequest nextUsersRequest;
if (!_searchResultsCache.TryGetValue(text, out nextUsersRequest))
{
IList <TLUserBase> source;
if (_lastUsersRequest != null &&
text.IndexOf(_lastUsersRequest.Text, StringComparison.OrdinalIgnoreCase) != -1)
{
source = _lastUsersRequest.Source;
}
else
{
_source = _source ??
Items
.OrderBy(x => x.FullName)
.ToList();
source = _source;
}
nextUsersRequest = new SearchUsersRequest(text, source);
}
IsWorking = true;
nextUsersRequest.ProcessAsync(results =>
Telegram.Api.Helpers.Execute.BeginOnUIThread(() =>
{
if (nextUsersRequest.IsCanceled)
{
return;
}
//Status = string.Empty;
Items.Clear();
LazyItems.Clear();
if (results.Count > 0)
{
//Items.Add(new TLServiceText { Text = AppResources.Contacts });
}
for (var i = 0; i < results.Count; i++)
{
if (i < 6)
{
Items.Add(results[i]);
}
else
{
LazyItems.Add(results[i]);
}
}
IsWorking = false;
//Status = Items.Count == 0 ? AppResources.NoResults : string.Empty;
//return;
if (LazyItems.Count > 0)
{
PopulateItems();
}
}));
_searchResultsCache[nextUsersRequest.Text] = nextUsersRequest;
_lastUsersRequest = nextUsersRequest;
}
public void Search(string text)
{
if (_lastSearchRequest != null)
{
_lastSearchRequest.Cancel();
}
var trimmedText = text.Trim();
if (string.IsNullOrEmpty(trimmedText))
{
if (_isFullResults)
{
return;
}
LazyItems.Clear();
Items.Clear();
//foreach (var contact in _source)
//{
// Items.Add(contact);
//}
_isFullResults = true;
return;
}
var nextSearchRequest = CreateSearchRequest(text);
_isFullResults = false;
IsWorking = true;
nextSearchRequest.ProcessAsync(results =>
Execute.BeginOnUIThread(() =>
{
if (nextSearchRequest.IsCanceled)
{
return;
}
Items.Clear();
LazyItems.Clear();
for (var i = 0; i < results.Count; i++)
{
if (i < 6)
{
Items.Add(results[i]);
}
else
{
LazyItems.Add(results[i]);
}
}
IsWorking = false;
Status = Items.Count == 0 ? AppResources.NoResults : string.Empty;
PopulateItems();
}));
_searchResultsCache[nextSearchRequest.Text] = nextSearchRequest;
_lastSearchRequest = nextSearchRequest;
}
