public GistViewModel(
ISessionService sessionService,
IActionMenuFactory actionMenuService,
IAlertDialogFactory alertDialogFactory)
{
Comments = new ReactiveList <GistCommentModel>();
Title = "Gist";
this.WhenAnyValue(x => x.Gist).Where(x => x != null && x.Files != null && x.Files.Count > 0)
.Select(x => x.Files.First().Key).Subscribe(x =>
Title = x);
ShareCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null));
ShareCommand.Subscribe(sender => actionMenuService.ShareUrl(sender, new Uri(Gist.HtmlUrl)));
this.WhenAnyValue(x => x.Gist.Owner.AvatarUrl)
.Select(x => new GitHubAvatar(x))
.ToProperty(this, x => x.Avatar, out _avatar);
ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue),
async t =>
{
try
{
if (!IsStarred.HasValue)
{
return;
}
var request = IsStarred.Value ? sessionService.Client.Gists[Id].Unstar() : sessionService.Client.Gists[Id].Star();
await sessionService.Client.ExecuteAsync(request);
IsStarred = !IsStarred.Value;
}
catch (Exception e)
{
throw new Exception("Unable to start gist. Please try again.", e);
}
});
ForkCommand = ReactiveCommand.CreateAsyncTask(async t => {
var gist = await sessionService.GitHubClient.Gist.Fork(Id);
var vm = this.CreateViewModel <GistViewModel>();
vm.Id = gist.Id;
vm.Gist = gist;
NavigateTo(vm);
});
ForkCommand.IsExecuting.Subscribe(x =>
{
if (x)
{
alertDialogFactory.Show("Forking...");
}
else
{
alertDialogFactory.Hide();
}
});
GoToEditCommand = ReactiveCommand.Create();
GoToEditCommand.Subscribe(_ =>
{
var vm = this.CreateViewModel <GistEditViewModel>();
vm.Gist = Gist;
vm.SaveCommand.Subscribe(x => Gist = x);
NavigateTo(vm);
});
GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
GoToHtmlUrlCommand
.Select(_ => this.CreateViewModel <WebBrowserViewModel>())
.Select(x => x.Init(Gist.HtmlUrl))
.Subscribe(NavigateTo);
GoToFileSourceCommand = ReactiveCommand.Create();
GoToFileSourceCommand.OfType <GistFile>().Subscribe(x =>
{
var vm = this.CreateViewModel <GistFileViewModel>();
vm.Id = Id;
vm.GistFile = x;
vm.Filename = x.Filename;
NavigateTo(vm);
});
GoToOwnerCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist.Owner).Select(x => x != null));
GoToOwnerCommand
.Select(_ => this.CreateViewModel <UserViewModel>())
.Select(x => x.Init(Gist.Owner.Login))
.Subscribe(NavigateTo);
AddCommentCommand = ReactiveCommand.Create().WithSubscription(_ =>
NavigateTo(new ComposerViewModel("Add Comment", async x => {
var request = sessionService.Client.Gists[Id].CreateGistComment(x);
Comments.Add((await sessionService.Client.ExecuteAsync(request)).Data);
}, alertDialogFactory)));
ShowMenuCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.Gist).Select(x => x != null),
sender => {
var menu = actionMenuService.Create();
if (Gist.Owner != null && string.Equals(sessionService.Account.Username, Gist.Owner.Login, StringComparison.OrdinalIgnoreCase))
{
menu.AddButton("Edit", GoToEditCommand);
}
else
{
menu.AddButton("Fork", ForkCommand);
}
menu.AddButton("Share", ShareCommand);
menu.AddButton("Show in GitHub", GoToHtmlUrlCommand);
return(menu.Show(sender));
});
LoadCommand = ReactiveCommand.CreateAsyncTask(async _ => {
sessionService.GitHubClient.Gist.IsStarred(Id).ToBackground(x => IsStarred = x);
Comments.SimpleCollectionLoad(sessionService.Client.Gists[Id].GetComments());
Gist = await sessionService.GitHubClient.Gist.Get(Id);
});
}
public GistViewModel(IApplicationService applicationService, IShareService shareService)
{
_applicationService = applicationService;
Comments = new ReactiveList <GistCommentModel>();
ShareCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null));
ShareCommand.Subscribe(_ => shareService.ShareUrl(Gist.HtmlUrl));
ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue),
async t =>
{
try
{
if (!IsStarred.HasValue)
{
return;
}
var request = IsStarred.Value ? _applicationService.Client.Gists[Id].Unstar() : _applicationService.Client.Gists[Id].Star();
await _applicationService.Client.ExecuteAsync(request);
IsStarred = !IsStarred.Value;
}
catch (Exception e)
{
throw new Exception("Unable to start gist. Please try again.", e);
}
});
ForkCommand = ReactiveCommand.CreateAsyncTask(async t =>
{
var data = await _applicationService.Client.ExecuteAsync(_applicationService.Client.Gists[Id].ForkGist());
var forkedGist = data.Data;
var vm = CreateViewModel <GistViewModel>();
vm.Id = forkedGist.Id;
vm.Gist = forkedGist;
ShowViewModel(vm);
});
GoToViewableFileCommand = ReactiveCommand.Create();
GoToViewableFileCommand.OfType <GistFileModel>().Subscribe(x =>
{
var vm = CreateViewModel <GistViewableFileViewModel>();
vm.GistFile = x;
ShowViewModel(vm);
});
GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
GoToHtmlUrlCommand.Subscribe(_ => GoToUrlCommand.ExecuteIfCan(Gist.HtmlUrl));
GoToFileSourceCommand = ReactiveCommand.Create();
GoToFileSourceCommand.OfType <GistFileModel>().Subscribe(x =>
{
var vm = CreateViewModel <GistFileViewModel>();
vm.Id = Id;
vm.GistFile = x;
vm.Filename = x.Filename;
ShowViewModel(vm);
});
GoToUserCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null));
GoToUserCommand.Subscribe(x =>
{
var vm = CreateViewModel <UserViewModel>();
vm.Username = Gist.Owner.Login;
ShowViewModel(vm);
});
GoToForksCommand = ReactiveCommand.Create();
LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
{
var forceCacheInvalidation = t as bool?;
var t1 = this.RequestModel(_applicationService.Client.Gists[Id].Get(), forceCacheInvalidation, response => Gist = response.Data);
this.RequestModel(_applicationService.Client.Gists[Id].IsGistStarred(), forceCacheInvalidation, response => IsStarred = response.Data).FireAndForget();
Comments.SimpleCollectionLoad(_applicationService.Client.Gists[Id].GetComments(), forceCacheInvalidation).FireAndForget();
return(t1);
});
}
public GistViewModel(IApplicationService applicationService, IShareService shareService,
IActionMenuService actionMenuService, IStatusIndicatorService statusIndicatorService)
{
Comments = new ReactiveList <GistCommentModel>();
Title = "Gist";
GoToUrlCommand = this.CreateUrlCommand();
this.WhenAnyValue(x => x.Gist).Where(x => x != null && x.Files != null && x.Files.Count > 0)
.Select(x => x.Files.First().Key).Subscribe(x =>
Title = x);
ShareCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null));
ShareCommand.Subscribe(_ => shareService.ShareUrl(Gist.HtmlUrl));
ToggleStarCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.IsStarred).Select(x => x.HasValue),
async t =>
{
try
{
if (!IsStarred.HasValue)
{
return;
}
var request = IsStarred.Value ? applicationService.Client.Gists[Id].Unstar() : applicationService.Client.Gists[Id].Star();
await applicationService.Client.ExecuteAsync(request);
IsStarred = !IsStarred.Value;
}
catch (Exception e)
{
throw new Exception("Unable to start gist. Please try again.", e);
}
});
ForkCommand = ReactiveCommand.CreateAsyncTask(async t =>
{
var data = await applicationService.Client.ExecuteAsync(applicationService.Client.Gists[Id].ForkGist());
var forkedGist = data.Data;
var vm = CreateViewModel <GistViewModel>();
vm.Id = forkedGist.Id;
vm.Gist = forkedGist;
ShowViewModel(vm);
});
ForkCommand.IsExecuting.Subscribe(x =>
{
if (x)
{
statusIndicatorService.Show("Forking...");
}
else
{
statusIndicatorService.Hide();
}
});
GoToEditCommand = ReactiveCommand.Create();
GoToHtmlUrlCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
GoToHtmlUrlCommand.Select(_ => Gist.HtmlUrl).Subscribe(this.ShowWebBrowser);
GoToFileSourceCommand = ReactiveCommand.Create();
GoToFileSourceCommand.OfType <GistFileModel>().Subscribe(x =>
{
var vm = CreateViewModel <GistFileViewModel>();
vm.Id = Id;
vm.GistFile = x;
vm.Filename = x.Filename;
ShowViewModel(vm);
});
GoToUserCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Gist).Select(x => x != null && x.Owner != null));
GoToUserCommand.Subscribe(x =>
{
var vm = CreateViewModel <UserViewModel>();
vm.Username = Gist.Owner.Login;
ShowViewModel(vm);
});
AddCommentCommand = ReactiveCommand.Create().WithSubscription(_ =>
{
var vm = CreateViewModel <GistCommentViewModel>();
vm.Id = Id;
vm.CommentAdded.Subscribe(Comments.Add);
ShowViewModel(vm);
});
ShowMenuCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.Gist).Select(x => x != null),
_ =>
{
var menu = actionMenuService.Create(Title);
if (Gist.Owner != null && string.Equals(applicationService.Account.Username, Gist.Owner.Login, StringComparison.OrdinalIgnoreCase))
{
menu.AddButton("Edit", GoToEditCommand);
}
else
{
menu.AddButton("Fork", ForkCommand);
}
menu.AddButton("Share", ShareCommand);
menu.AddButton("Show in GitHub", GoToHtmlUrlCommand);
return(menu.Show());
});
LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
{
var forceCacheInvalidation = t as bool?;
var t1 = this.RequestModel(applicationService.Client.Gists[Id].Get(), forceCacheInvalidation, response => Gist = response.Data);
this.RequestModel(applicationService.Client.Gists[Id].IsGistStarred(), forceCacheInvalidation, response => IsStarred = response.Data).FireAndForget();
Comments.SimpleCollectionLoad(applicationService.Client.Gists[Id].GetComments(), forceCacheInvalidation).FireAndForget();
return(t1);
});
}