Beispiel #1
0
        public RepositoryViewModel(ISessionService applicationService,
                                   IAccountsRepository accountsService, IActionMenuFactory actionMenuService)
        {
            ApplicationService = applicationService;
            _accountsService   = accountsService;

            var validRepositoryObservable = this.WhenAnyValue(x => x.Repository).Select(x => x != null);

            this.WhenAnyValue(x => x.RepositoryName).Subscribe(x => Title = x);

            this.WhenAnyValue(x => x.Repository.Owner.AvatarUrl)
            .Select(x => new GitHubAvatar(x))
            .ToProperty(this, x => x.Avatar, out _avatar);

            this.WhenAnyValue(x => x.Repository).Subscribe(x =>
            {
                Stargazers = (int?)x?.StargazersCount;
                Watchers   = (int?)x?.SubscribersCount;
            });

            this.WhenAnyValue(x => x.Repository.Description)
            .Select(x => Emojis.FindAndReplace(x))
            .ToProperty(this, x => x.Description, out _description);

            ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue), t => ToggleStar());

            ToggleWatchCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsWatched, x => x.HasValue), t => ToggleWatch());

            GoToOwnerCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository).Select(x => x != null));
            GoToOwnerCommand.Select(_ => Repository.Owner).Subscribe(x => {
                if (AccountType.Organization.Equals(x.Type))
                {
                    var vm = this.CreateViewModel <OrganizationViewModel>();
                    vm.Init(RepositoryOwner);
                    NavigateTo(vm);
                }
                else
                {
                    var vm = this.CreateViewModel <UserViewModel>();
                    vm.Init(RepositoryOwner);
                    NavigateTo(vm);
                }
            });

            PinCommand = ReactiveCommand.Create(validRepositoryObservable);
            PinCommand.Subscribe(x => PinRepository());

            GoToForkParentCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && x.Fork && x.Parent != null));
            GoToForkParentCommand.Subscribe(x =>
            {
                var vm             = this.CreateViewModel <RepositoryViewModel>();
                vm.RepositoryOwner = Repository.Parent.Owner.Login;
                vm.RepositoryName  = Repository.Parent.Name;
                vm.Repository      = Repository.Parent;
                NavigateTo(vm);
            });

            GoToStargazersCommand = ReactiveCommand.Create();
            GoToStargazersCommand.Subscribe(_ =>
            {
                var vm = this.CreateViewModel <RepositoryStargazersViewModel>();
                vm.Init(RepositoryOwner, RepositoryName);
                NavigateTo(vm);
            });

            GoToWatchersCommand = ReactiveCommand.Create();
            GoToWatchersCommand.Subscribe(_ =>
            {
                var vm = this.CreateViewModel <RepositoryWatchersViewModel>();
                vm.Init(RepositoryOwner, RepositoryName);
                NavigateTo(vm);
            });

            GoToEventsCommand = ReactiveCommand.Create();
            GoToEventsCommand.Subscribe(_ => {
                var vm = this.CreateViewModel <RepositoryEventsViewModel>();
                vm.Init(RepositoryOwner, RepositoryName);
                NavigateTo(vm);
            });

            GoToIssuesCommand = ReactiveCommand.Create();
            GoToIssuesCommand
            .Select(_ => this.CreateViewModel <IssuesViewModel>())
            .Select(x => x.Init(RepositoryOwner, RepositoryName))
            .Subscribe(NavigateTo);

            GoToReadmeCommand = ReactiveCommand.Create();
            GoToReadmeCommand
            .Select(_ => this.CreateViewModel <ReadmeViewModel>())
            .Select(x => x.Init(RepositoryOwner, RepositoryName))
            .Subscribe(NavigateTo);

            GoToBranchesCommand = ReactiveCommand.Create();
            GoToBranchesCommand
            .Select(_ => this.CreateViewModel <CommitBranchesViewModel>())
            .Select(x => x.Init(RepositoryOwner, RepositoryName))
            .Subscribe(NavigateTo);

            GoToCommitsCommand = ReactiveCommand.Create();
            GoToCommitsCommand.Subscribe(_ =>
            {
                if (Branches != null && Branches.Count == 1)
                {
                    var vm     = this.CreateViewModel <CommitsViewModel>();
                    var branch = Repository == null ? null : Repository.DefaultBranch;
                    NavigateTo(vm.Init(RepositoryOwner, RepositoryName, branch));
                }
                else
                {
                    GoToBranchesCommand.ExecuteIfCan();
                }
            });

            GoToPullRequestsCommand = ReactiveCommand.Create();
            GoToPullRequestsCommand.Subscribe(_ =>
            {
                var vm             = this.CreateViewModel <PullRequestsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                NavigateTo(vm);
            });

            GoToSourceCommand = ReactiveCommand.Create();
            GoToSourceCommand.Subscribe(_ =>
            {
                var vm             = this.CreateViewModel <BranchesAndTagsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                NavigateTo(vm);
            });

            GoToContributors = ReactiveCommand.Create();
            GoToContributors.Subscribe(_ =>
            {
                var vm = this.CreateViewModel <RepositoryContributorsViewModel>();
                vm.Init(RepositoryOwner, RepositoryName);
                NavigateTo(vm);
            });

            GoToForksCommand = ReactiveCommand.Create().WithSubscription(_ =>
            {
                var vm             = this.CreateViewModel <RepositoryForksViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                NavigateTo(vm);
            });

            GoToReleasesCommand = ReactiveCommand.Create().WithSubscription(_ =>
            {
                var vm             = this.CreateViewModel <ReleasesViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                NavigateTo(vm);
            });

            ShareCommand = ReactiveCommand.Create(validRepositoryObservable);
            ShareCommand.Subscribe(sender => actionMenuService.ShareUrl(sender, Repository.HtmlUrl));

            var canShowMenu = this.WhenAnyValue(x => x.Repository, x => x.IsStarred, x => x.IsWatched)
                              .Select(x => x.Item1 != null && x.Item2 != null && x.Item3 != null);

            ShowMenuCommand = ReactiveCommand.CreateAsyncTask(canShowMenu, sender => {
                var menu = actionMenuService.Create();
                menu.AddButton(IsPinned ? "Unpin from Slideout Menu" : "Pin to Slideout Menu", PinCommand);
                menu.AddButton(IsStarred.Value ? "Unstar This Repo" : "Star This Repo", ToggleStarCommand);
                menu.AddButton(IsWatched.Value ? "Unwatch This Repo" : "Watch This Repo", ToggleWatchCommand);
                menu.AddButton("Show in GitHub", GoToHtmlUrlCommand);
                menu.AddButton("Share", ShareCommand);
                return(menu.Show(sender));
            });

            var gotoWebUrl = new Action <string>(x =>
            {
                var vm = this.CreateViewModel <WebBrowserViewModel>();
                vm.Init(x);
                NavigateTo(vm);
            });

            GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
            GoToHtmlUrlCommand.Select(_ => Repository.HtmlUrl).Subscribe(gotoWebUrl);

            GoToHomepageCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && !string.IsNullOrEmpty(x.Homepage)));
            GoToHomepageCommand.Select(_ => Repository.Homepage).Subscribe(gotoWebUrl);

            LoadCommand = ReactiveCommand.CreateAsyncTask(async _ => {
                var t1 = applicationService.GitHubClient.Repository.Get(RepositoryOwner, RepositoryName);

                applicationService.GitHubClient.Repository.Content.GetReadme(RepositoryOwner, RepositoryName)
                .ToBackground(x => Readme = x);

                applicationService.GitHubClient.Repository.GetAllBranches(RepositoryOwner, RepositoryName)
                .ToBackground(x => Branches = x);

                applicationService.GitHubClient.Activity.Watching.CheckWatched(RepositoryOwner, RepositoryName)
                .ToBackground(x => IsWatched = x);

                applicationService.GitHubClient.Activity.Starring.CheckStarred(RepositoryOwner, RepositoryName)
                .ToBackground(x => IsStarred = x);

                applicationService.Client.ExecuteAsync(applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetContributors())
                .ToBackground(x => Contributors = x.Data.Count);

//                applicationService.GitHubClient.Repository.GetAllLanguages(RepositoryOwner, RepositoryName)
//                    .ToBackground(x => Languages = x.Count);

                applicationService.Client.ExecuteAsync(applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetReleases())
                .ToBackground(x => Releases = x.Data.Count);

                Repository = await t1;
            });
        }
Beispiel #2
0
        public RepositoryViewModel(
            string username, string repositoryName, Repository repository = null,
            IApplicationService applicationService = null, IActionMenuService actionMenuService = null)
        {
            applicationService = _applicationService = applicationService ?? Locator.Current.GetService <IApplicationService>();
            actionMenuService  = actionMenuService ?? Locator.Current.GetService <IActionMenuService>();

            Repository = repository;

            _branches.Changed
            .Select(_ => _branches.Count)
            .ToProperty(this, x => x.BranchesCount, out _branchesCount);

            this.WhenAnyValue(x => x.Repository.Name)
            .StartWith(repositoryName)
            .Subscribe(x => Title = x);

            LoadCommand = ReactiveCommand.CreateFromTask(async _ => {
                Repository = await applicationService.Client.Repositories.Get(username, repositoryName);

                _applicationService.Client.Repositories.GetWatchers(username, repositoryName)
                .ToBackground(x => Watchers = x.Size);

                _applicationService.Client.Repositories.GetForks(username, repositoryName)
                .ToBackground(x => Forks = x.Size);

                _applicationService.Client.Repositories.GetBranches(username, repositoryName)
                .ToBackground(x => _branches.Reset(x));

                if (!Repository.HasIssues)
                {
                    Issues = 0;
                }
                else
                {
                    _applicationService.Client.Issues.GetAll(username, repositoryName, limit: 0)
                    .ToBackground(x => Issues = x.Count);
                }

                LoadReadme(username, repositoryName).ToBackground();
            });

            ForkCommand = ReactiveCommand.CreateFromTask(async _ => {
                var fork = await applicationService.Client.Repositories.Fork(username, repositoryName);
                NavigateTo(new RepositoryViewModel(fork.Owner, fork.Slug));
            });

            var canGoToFork = this.WhenAnyValue(x => x.Repository)
                              .Select(x => x?.Parent != null);

            GoToForkParentCommand = ReactiveCommand.Create(() => {
                var id = RepositoryIdentifier.FromFullName(Repository.Parent.FullName);
                NavigateTo(new RepositoryViewModel(id.Owner, id.Name));
            }, canGoToFork);

            GoToReadmeCommand = ReactiveCommand.Create(
                () => NavigateTo(new ReadmeViewModel(username, repositoryName, _readmeFilename)),
                this.WhenAnyValue(x => x.HasReadme));

            GoToPullRequestsCommand
            .Select(_ => new PullRequestsViewModel(username, repositoryName))
            .Subscribe(NavigateTo);

            GoToWikiCommand = ReactiveCommand.Create(
                () => NavigateTo(new WikiViewModel(username, repositoryName)),
                this.WhenAnyValue(x => x.Repository.HasWiki));

            GoToSourceCommand
            .Select(_ => new BranchesAndTagsViewModel(username, repositoryName))
            .Subscribe(NavigateTo);

            GoToIssuesCommand
            .Select(_ => new IssuesViewModel(username, repositoryName))
            .Subscribe(NavigateTo);

            GoToOwnerCommand
            .Select(_ => new UserViewModel(username))
            .Subscribe(NavigateTo);

            GoToStargazersCommand
            .Select(_ => new RepositoryWatchersViewModel(username, repositoryName))
            .Subscribe(NavigateTo);

            GoToEventsCommand
            .Select(_ => new RepositoryEventsViewModel(username, repositoryName))
            .Subscribe(NavigateTo);

            GoToBranchesCommand
            .Select(_ => BranchesViewModel.ForSource(username, repositoryName))
            .Subscribe(NavigateTo);

            var validWebsite = this.WhenAnyValue(x => x.Repository.Website)
                               .Select(x => !string.IsNullOrEmpty(x));

            GoToWebsiteCommand = ReactiveCommand.Create(
                () => NavigateTo(new WebBrowserViewModel(Repository.Website)),
                validWebsite);

            GoToCommitsCommand
            .Subscribe(_ =>
            {
                if (_branches.Count == 1)
                {
                    NavigateTo(new CommitsViewModel(username, repositoryName, _branches.FirstOrDefault()?.Node));
                }
                else
                {
                    NavigateTo(BranchesViewModel.ForCommits(username, repositoryName));
                }
            });

            ShowMenuCommand = ReactiveCommand.CreateFromTask(sender =>
            {
                var menu     = actionMenuService.Create();
                var isPinned = applicationService
                               .Account.PinnedRepositories
                               .Any(x => string.Equals(x.Owner, username, StringComparison.OrdinalIgnoreCase) && string.Equals(x.Slug, repositoryName, StringComparison.OrdinalIgnoreCase));
                var pinned = isPinned ? "Unpin from Slideout Menu" : "Pin to Slideout Menu";
                menu.AddButton(pinned, _ => PinRepository());
                menu.AddButton("Fork Repository", _ => ForkCommand.ExecuteNow());
                menu.AddButton("Show in Bitbucket", _ =>
                {
                    var htmlUrl = ("https://bitbucket.org/" + username + "/" + repositoryName).ToLower();
                    NavigateTo(new WebBrowserViewModel(htmlUrl));
                });
                return(menu.Show(sender));
            });
        }
Beispiel #3
0
        public RepositoryViewModel(IApplicationService applicationService, IAccountsService accountsService, IActionMenuService actionMenuService)
        {
            ApplicationService = applicationService;
            _accountsService   = accountsService;

            this.WhenAnyValue(x => x.RepositoryName).Subscribe(x => Title = x);

            ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue), t => ToggleStar());

            ToggleWatchCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsWatched, x => x.HasValue), t => ToggleWatch());

            GoToOwnerCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository).Select(x => x != null));
            GoToOwnerCommand.Select(_ => Repository.Owner).Subscribe(x =>
            {
                if (string.Equals(x.Type, "organization", StringComparison.OrdinalIgnoreCase))
                {
                    var vm      = CreateViewModel <OrganizationViewModel>();
                    vm.Username = RepositoryOwner;
                    ShowViewModel(vm);
                }
                else
                {
                    var vm      = CreateViewModel <UserViewModel>();
                    vm.Username = RepositoryOwner;
                    ShowViewModel(vm);
                }
            });

            PinCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository).Select(x => x != null));
            PinCommand.Subscribe(x => PinRepository());

            GoToForkParentCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && x.Fork && x.Parent != null));
            GoToForkParentCommand.Subscribe(x =>
            {
                var vm             = CreateViewModel <RepositoryViewModel>();
                vm.RepositoryOwner = Repository.Parent.Owner.Login;
                vm.RepositoryName  = Repository.Parent.Name;
                vm.Repository      = Repository.Parent;
                ShowViewModel(vm);
            });

            GoToStargazersCommand = ReactiveCommand.Create();
            GoToStargazersCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryStargazersViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToWatchersCommand = ReactiveCommand.Create();
            GoToWatchersCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryWatchersViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToEventsCommand = ReactiveCommand.Create();
            GoToEventsCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryEventsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToIssuesCommand = ReactiveCommand.Create();
            GoToIssuesCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <IssuesViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToReadmeCommand = ReactiveCommand.Create();
            GoToReadmeCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <ReadmeViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToBranchesCommand = ReactiveCommand.Create().WithSubscription(_ =>
            {
                var vm             = CreateViewModel <CommitBranchesViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToCommitsCommand = ReactiveCommand.Create();
            GoToCommitsCommand.Subscribe(_ =>
            {
                if (Branches != null && Branches.Count == 1)
                {
                    var vm             = CreateViewModel <ChangesetsViewModel>();
                    vm.RepositoryOwner = RepositoryOwner;
                    vm.RepositoryName  = RepositoryName;
                    vm.Branch          = Repository == null ? null : Repository.DefaultBranch;
                    ShowViewModel(vm);
                }
                else
                {
                    GoToBranchesCommand.ExecuteIfCan();
                }
            });

            GoToPullRequestsCommand = ReactiveCommand.Create();
            GoToPullRequestsCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <PullRequestsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToSourceCommand = ReactiveCommand.Create();
            GoToSourceCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <BranchesAndTagsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToContributors = ReactiveCommand.Create();
            GoToContributors.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryContributorsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToForksCommand = ReactiveCommand.Create().WithSubscription(_ =>
            {
                var vm             = CreateViewModel <RepositoryForksViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToReleasesCommand = ReactiveCommand.Create().WithSubscription(_ =>
            {
                var vm             = CreateViewModel <ReleasesViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            ShowMenuCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.Repository, x => x.IsStarred, x => x.IsWatched)
                .Select(x => x.Item1 != null && x.Item2 != null && x.Item3 != null),
                _ =>
            {
                var menu = actionMenuService.Create(Title);
                menu.AddButton(IsPinned ? "Unpin from Slideout Menu" : "Pin to Slideout Menu", PinCommand);
                menu.AddButton(IsStarred.Value ? "Unstar This Repo" : "Star This Repo", ToggleStarCommand);
                menu.AddButton(IsWatched.Value ? "Unwatch This Repo" : "Watch This Repo", ToggleWatchCommand);
                menu.AddButton("Show in GitHub", GoToHtmlUrlCommand);
                return(menu.Show());
            });

            GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
            GoToHtmlUrlCommand.Select(_ => Repository.HtmlUrl).Subscribe(this.ShowWebBrowser);

            GoToHomepageCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && !string.IsNullOrEmpty(x.Homepage)));
            GoToHomepageCommand.Select(_ => Repository.Homepage).Subscribe(this.ShowWebBrowser);

            LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
            {
                var forceCacheInvalidation = t as bool?;

                var t1 = this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].Get(),
                                           forceCacheInvalidation, response => Repository = response.Data);

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetReadme(),
                                  forceCacheInvalidation, response => Readme = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetBranches(),
                                  forceCacheInvalidation, response => Branches = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].IsWatching(),
                                  forceCacheInvalidation, response => IsWatched = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].IsStarred(),
                                  forceCacheInvalidation, response => IsStarred = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetContributors(),
                                  forceCacheInvalidation, response => Contributors = response.Data.Count).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetLanguages(),
                                  forceCacheInvalidation, response => Languages = response.Data.Count).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetReleases(),
                                  forceCacheInvalidation, response => Releases = response.Data.Count).FireAndForget();

                return(t1);
            });
        }
Beispiel #4
0
        public RepositoryViewModel(IApplicationService applicationService, IAccountsService accountsService)
        {
            ApplicationService = applicationService;
            _accountsService   = accountsService;

            ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue), t => ToggleStar());

            ToggleWatchCommand = ReactiveCommand.CreateAsyncTask(
                this.WhenAnyValue(x => x.IsWatched, x => x.HasValue), t => ToggleWatch());

            GoToOwnerCommand = ReactiveCommand.Create();
            GoToOwnerCommand.Subscribe(_ =>
            {
                var vm      = CreateViewModel <ProfileViewModel>();
                vm.Username = RepositoryOwner;
                ShowViewModel(vm);
            });

            PinCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository).Select(x => x != null));
            PinCommand.Subscribe(x => PinRepository());

            GoToForkParentCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && x.Fork && x.Parent != null));
            GoToForkParentCommand.Subscribe(x =>
            {
                var vm             = CreateViewModel <RepositoryViewModel>();
                vm.RepositoryOwner = Repository.Parent.Owner.Login;
                vm.RepositoryName  = Repository.Parent.Name;
                vm.Repository      = Repository.Parent;
                ShowViewModel(vm);
            });

            GoToStargazersCommand = ReactiveCommand.Create();
            GoToStargazersCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryStargazersViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToWatchersCommand = ReactiveCommand.Create();
            GoToWatchersCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryWatchersViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToEventsCommand = ReactiveCommand.Create();
            GoToEventsCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryEventsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToIssuesCommand = ReactiveCommand.Create();
            GoToIssuesCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <IssuesViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToReadmeCommand = ReactiveCommand.Create();
            GoToReadmeCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <ReadmeViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToCommitsCommand = ReactiveCommand.Create();
            GoToCommitsCommand.Subscribe(_ =>
            {
                if (Branches != null && Branches.Count == 1)
                {
                    var vm             = CreateViewModel <ChangesetsViewModel>();
                    vm.RepositoryOwner = RepositoryOwner;
                    vm.RepositoryName  = RepositoryName;
                    ShowViewModel(vm);
                }
                else
                {
                    var vm             = CreateViewModel <ChangesetBranchesViewModel>();
                    vm.RepositoryOwner = RepositoryOwner;
                    vm.RepositoryName  = RepositoryName;
                    ShowViewModel(vm);
                }
            });

            GoToPullRequestsCommand = ReactiveCommand.Create();
            GoToPullRequestsCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <PullRequestsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToSourceCommand = ReactiveCommand.Create();
            GoToSourceCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <BranchesAndTagsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            GoToCollaboratorsCommand = ReactiveCommand.Create();
            GoToCollaboratorsCommand.Subscribe(_ =>
            {
                var vm             = CreateViewModel <RepositoryCollaboratorsViewModel>();
                vm.RepositoryOwner = RepositoryOwner;
                vm.RepositoryName  = RepositoryName;
                ShowViewModel(vm);
            });

            this.WhenAnyValue(x => x.Repository).Subscribe(x =>
            {
                if (x == null)
                {
                    RepositorySize = null;
                }
                else
                {
                    if (x.Size / 1024f < 1)
                    {
                        RepositorySize = string.Format("{0:0.##}KB", x.Size);
                    }
                    else if ((x.Size / 1024f / 1024f) < 1)
                    {
                        RepositorySize = string.Format("{0:0.##}MB", x.Size / 1024f);
                    }
                    else
                    {
                        RepositorySize = string.Format("{0:0.##}GB", x.Size / 1024f / 1024f);
                    }
                }
            });

            GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Repository, x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
            GoToHtmlUrlCommand.Subscribe(_ => GoToUrlCommand.ExecuteIfCan(Repository.HtmlUrl));

            LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
            {
                var forceCacheInvalidation = t as bool?;

                var t1 = this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].Get(),
                                           forceCacheInvalidation, response => Repository = response.Data);

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetReadme(),
                                  forceCacheInvalidation, response => Readme = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetBranches(),
                                  forceCacheInvalidation, response => Branches = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].IsWatching(),
                                  forceCacheInvalidation, response => IsWatched = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].IsStarred(),
                                  forceCacheInvalidation, response => IsStarred = response.Data).FireAndForget();

                this.RequestModel(ApplicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].GetCollaborators(),
                                  forceCacheInvalidation, response => Collaborators = response.Data.Count).FireAndForget();

                return(t1);
            });
        }