public PullRequestViewModel(
ISessionService applicationService,
IMarkdownService markdownService,
IActionMenuFactory actionMenuService,
IAlertDialogFactory alertDialogFactory)
: base(applicationService, markdownService, actionMenuService, alertDialogFactory)
{
this.WhenAnyValue(x => x.Id)
.Subscribe(x => Title = "Pull Request #" + x);
this.WhenAnyValue(x => x.PullRequest.HtmlUrl)
.ToProperty(this, x => x.HtmlUrl, out _htmlUrl);
var canMergeObservable = this.WhenAnyValue(x => x.PullRequest)
.Select(x => x != null && !x.Merged && x.Mergeable.HasValue && x.Mergeable.Value);
_canMerge = canMergeObservable.CombineLatest(
this.WhenAnyValue(x => x.PushAccess), (x, y) => x && y)
.ToProperty(this, x => x.CanMerge);
_commentsCount = this.WhenAnyValue(x => x.Issue.Comments, x => x.Comments.Count, (x, y) => x + y)
.ToProperty(this, x => x.CommentCount);
MergeCommand = ReactiveCommand.CreateAsyncTask(canMergeObservable, async t => {
using (alertDialogFactory.Activate("Merging..."))
{
var req = new MergePullRequest {
Message = MergeComment
};
var response = await applicationService.GitHubClient.PullRequest.Merge(RepositoryOwner, RepositoryName, Id, req);
if (!response.Merged)
{
throw new Exception(string.Format("Unable to merge pull request: {0}", response.Message));
}
await LoadCommand.ExecuteAsync();
}
});
var canGoToCommits = this.WhenAnyValue(x => x.PullRequest.Commits).Select(x => x > 0);
GoToCommitsCommand = ReactiveCommand.Create(canGoToCommits);
GoToCommitsCommand
.Select(x => this.CreateViewModel <PullRequestCommitsViewModel>())
.Select(x => x.Init(RepositoryOwner, RepositoryName, Id))
.Subscribe(NavigateTo);
var canGoToFiles = this.WhenAnyValue(x => x.PullRequest.ChangedFiles).Select(x => x > 0);
GoToFilesCommand = ReactiveCommand.Create(canGoToFiles);
GoToFilesCommand
.Select(x => this.CreateViewModel <PullRequestFilesViewModel>())
.Select(x => x.Init(RepositoryOwner, RepositoryName, Id, PullRequest.Head.Sha))
.Do(x => x.CommentCreated.Subscribe(AddComment))
.Subscribe(NavigateTo);
}
public PullRequestViewModel(IApplicationService applicationService, IMarkdownService markdownService, IShareService shareService)
{
_applicationService = applicationService;
_markdownService = markdownService;
Comments = new ReactiveList <IssueCommentModel>();
Events = new ReactiveList <IssueEventModel>();
MergeCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.PullRequest).Select(x =>
x != null && x.Merged.HasValue && !x.Merged.Value && x.Mergable.HasValue && x.Mergable.Value),
async t =>
{
try
{
var response = await _applicationService.Client.ExecuteAsync(_applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].PullRequests[PullRequestId].Merge());
if (!response.Data.Merged)
{
throw new Exception(response.Data.Message);
}
var pullRequest = _applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].PullRequests[PullRequestId].Get();
await this.RequestModel(pullRequest, true, r => PullRequest = r.Data);
}
catch (Exception e)
{
throw new Exception("Unable to Merge: " + e.Message, e);
}
});
ToggleStateCommand = ReactiveCommand.CreateAsyncTask(
this.WhenAnyValue(x => x.PullRequest).Select(x => x != null), async t =>
{
var close = string.Equals(PullRequest.State, "open", StringComparison.OrdinalIgnoreCase);
try
{
var data = await _applicationService.Client.ExecuteAsync(
_applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].PullRequests[PullRequestId].UpdateState(close ? "closed" : "open"));
PullRequest = data.Data;
}
catch (Exception e)
{
throw new Exception("Unable to " + (close ? "close" : "open") + " the item. " + e.Message, e);
}
});
GoToCommitsCommand = ReactiveCommand.Create();
GoToCommitsCommand.Subscribe(_ =>
{
var vm = CreateViewModel <PullRequestCommitsViewModel>();
vm.RepositoryOwner = RepositoryOwner;
vm.RepositoryName = RepositoryName;
vm.PullRequestId = PullRequestId;
ShowViewModel(vm);
});
GoToFilesCommand = ReactiveCommand.Create();
GoToFilesCommand.Subscribe(_ =>
{
var vm = CreateViewModel <PullRequestFilesViewModel>();
vm.Username = RepositoryOwner;
vm.Repository = RepositoryName;
vm.PullRequestId = PullRequestId;
ShowViewModel(vm);
});
ShareCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.PullRequest).Select(x => x != null && !string.IsNullOrEmpty(x.HtmlUrl)));
ShareCommand.Subscribe(_ => shareService.ShareUrl(PullRequest.HtmlUrl));
GoToEditCommand = ReactiveCommand.Create();
GoToEditCommand.Subscribe(_ =>
{
var vm = CreateViewModel <IssueEditViewModel>();
vm.RepositoryOwner = RepositoryOwner;
vm.RepositoryName = RepositoryName;
vm.Id = PullRequestId;
vm.Issue = Issue;
vm.WhenAnyValue(x => x.Issue).Skip(1).Subscribe(x => Issue = x);
ShowViewModel(vm);
});
GoToLabelsCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Issue).Select(x => x != null));
GoToLabelsCommand.Subscribe(_ =>
{
var vm = CreateViewModel <IssueLabelsViewModel>();
vm.RepositoryOwner = RepositoryOwner;
vm.RepositoryName = RepositoryName;
vm.IssueId = PullRequestId;
vm.SaveOnSelect = true;
vm.SelectedLabels.Reset(Issue.Labels);
vm.WhenAnyValue(x => x.Labels).Skip(1).Subscribe(x =>
{
Issue.Labels = x.ToList();
this.RaisePropertyChanged("Issue");
});
ShowViewModel(vm);
});
GoToMilestoneCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Issue).Select(x => x != null));
GoToMilestoneCommand.Subscribe(_ =>
{
var vm = CreateViewModel <IssueMilestonesViewModel>();
vm.RepositoryOwner = RepositoryOwner;
vm.RepositoryName = RepositoryName;
vm.IssueId = PullRequestId;
vm.SaveOnSelect = true;
vm.SelectedMilestone = Issue.Milestone;
vm.WhenAnyValue(x => x.SelectedMilestone).Skip(1).Subscribe(x =>
{
Issue.Milestone = x;
this.RaisePropertyChanged("Issue");
});
ShowViewModel(vm);
});
GoToAssigneeCommand = ReactiveCommand.Create(this.WhenAnyValue(x => x.Issue).Select(x => x != null));
GoToAssigneeCommand.Subscribe(_ =>
{
var vm = CreateViewModel <IssueAssignedToViewModel>();
vm.RepositoryOwner = RepositoryOwner;
vm.RepositoryName = RepositoryName;
vm.IssueId = PullRequestId;
vm.SaveOnSelect = true;
vm.SelectedUser = Issue.Assignee;
vm.WhenAnyValue(x => x.SelectedUser).Skip(1).Subscribe(x =>
{
Issue.Assignee = x;
this.RaisePropertyChanged("Issue");
});
ShowViewModel(vm);
});
GoToAddCommentCommand = ReactiveCommand.Create();
GoToAddCommentCommand.Subscribe(_ =>
{
var vm = CreateViewModel <CommentViewModel>();
ReactiveUI.Legacy.ReactiveCommandMixins.RegisterAsyncTask(vm.SaveCommand, async t =>
{
var req =
_applicationService.Client.Users[RepositoryOwner]
.Repositories[RepositoryName].Issues[PullRequestId].CreateComment(vm.Comment);
var comment = await _applicationService.Client.ExecuteAsync(req);
Comments.Add(comment.Data);
vm.DismissCommand.ExecuteIfCan();
});
});
LoadCommand = ReactiveCommand.CreateAsyncTask(t =>
{
var forceCacheInvalidation = t as bool?;
var pullRequest = _applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].PullRequests[PullRequestId].Get();
var t1 = this.RequestModel(pullRequest, forceCacheInvalidation, response => PullRequest = response.Data);
Events.SimpleCollectionLoad(_applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].Issues[PullRequestId].GetEvents(), forceCacheInvalidation).FireAndForget();
Comments.SimpleCollectionLoad(_applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].Issues[PullRequestId].GetComments(), forceCacheInvalidation).FireAndForget();
this.RequestModel(_applicationService.Client.Users[RepositoryOwner].Repositories[RepositoryName].Issues[PullRequestId].Get(), forceCacheInvalidation, response => Issue = response.Data).FireAndForget();
return(t1);
});
}
