public ExploreViewModel(ISessionService applicationService)
{
ShowRepositoryDescription = applicationService.Account.ShowRepositoryDescriptionInList;
Title = "Explore";
var gotoRepository = new Action <RepositoryItemViewModel>(x => {
var vm = this.CreateViewModel <RepositoryViewModel>();
vm.Init(x.Owner, x.Name, x.Repository);
NavigateTo(vm);
});
var repositories = new ReactiveList <Octokit.Repository>();
Repositories = repositories.CreateDerivedCollection(x =>
new RepositoryItemViewModel(x, true, gotoRepository));
var users = new ReactiveList <Octokit.User>();
Users = users.CreateDerivedCollection(x =>
new UserItemViewModel(x.Login, x.AvatarUrl, false, () => {
var vm = this.CreateViewModel <UserViewModel>();
vm.Init(x.Login, x);
NavigateTo(vm);
}));
this.WhenAnyValue(x => x.SearchFilter)
.DistinctUntilChanged()
.Subscribe(_ => {
SearchText = string.Empty;
users.Clear();
repositories.Clear();
});
var canSearch = this.WhenAnyValue(x => x.SearchText).Select(x => !string.IsNullOrEmpty(x));
SearchCommand = ReactiveCommand.CreateAsyncTask(canSearch, async t => {
try
{
users.Clear();
repositories.Clear();
if (SearchFilter == SearchType.Repositories)
{
var request = new Octokit.SearchRepositoriesRequest(SearchText);
var response = await applicationService.GitHubClient.Search.SearchRepo(request);
repositories.Reset(response.Items);
}
else if (SearchFilter == SearchType.Users)
{
var request = new Octokit.SearchUsersRequest(SearchText);
var response = await applicationService.GitHubClient.Search.SearchUsers(request);
users.Reset(response.Items);
}
}
catch (Exception e)
{
var msg = string.Format("Unable to search for {0}. Please try again.", SearchFilter.Humanize());
throw new Exception(msg, e);
}
});
}