private async void OnOnSearchQuerySubmitted(string query)
{
if (Loading || (query?.Equals(_prevQuery, StringComparison.CurrentCultureIgnoreCase) ?? true) || string.IsNullOrEmpty(query))
{
return;
}
IsFirstVisitGridVisible = false;
if (query.Length <= 2)
{
FoundCharacters.Clear();
IsEmptyNoticeVisible = false;
IsFirstVisitGridVisible = true;
return;
}
_prevQuery = query;
FoundCharacters.Clear();
Loading = true;
try
{
FoundCharacters.AddRange((await new CharactersSearchQuery(query).GetSearchResults()).Select(
character => new FavouriteViewModel(character)));
IsEmptyNoticeVisible = !FoundCharacters.Any();
}
catch (Exception)
{
IsEmptyNoticeVisible = true;
}
Loading = false;
}
public void OnNavigatedFrom()
{
if (!ViewModelLocator.Mobile)
{
FoundCharacters?.Clear();
_prevQuery = "";
}
ViewModelLocator.GeneralMain.OnSearchQuerySubmitted -= OnOnSearchQuerySubmitted;
_queryHandler = false;
}
public void Init(SearchPageNavArgsBase args)
{
if (!Loading && !FoundCharacters.Any())
{
IsFirstVisitGridVisible = true;
IsEmptyNoticeVisible = false;
}
else
{
IsEmptyNoticeVisible = false;
IsFirstVisitGridVisible = false;
}
if (!_queryHandler)
{
ViewModelLocator.GeneralMain.OnSearchQuerySubmitted += OnOnSearchQuerySubmitted;
}
_queryHandler = true;
OnOnSearchQuerySubmitted(ViewModelLocator.GeneralMain.CurrentSearchQuery);
}
