/// <summary>
/// Builds a collection of <see cref="PullRequestReviewSummaryViewModel"/>s by user.
/// </summary>
/// <param name="currentUser">The current user.</param>
/// <param name="pullRequest">The pull request model.</param>
/// <remarks>
/// This method builds a list similar to that found in the "Reviewers" section at the top-
/// right of the Pull Request page on GitHub.
/// </remarks>
public static IEnumerable <PullRequestReviewSummaryViewModel> BuildByUser(
IAccount currentUser,
IPullRequestModel pullRequest)
{
var existing = new Dictionary <string, PullRequestReviewSummaryViewModel>();
foreach (var review in pullRequest.Reviews.OrderBy(x => x.Id))
{
if (review.State == PullRequestReviewState.Pending && review.User.Login != currentUser.Login)
{
continue;
}
PullRequestReviewSummaryViewModel previous;
existing.TryGetValue(review.User.Login, out previous);
var previousPriority = ToPriority(previous);
var reviewPriority = ToPriority(review.State);
if (reviewPriority >= previousPriority)
{
var count = pullRequest.ReviewComments
.Where(x => x.PullRequestReviewId == review.Id)
.Count();
existing[review.User.Login] = new PullRequestReviewSummaryViewModel
{
Id = review.Id,
User = review.User,
State = review.State,
FileCommentCount = count
};
}
}
var result = existing.Values.OrderBy(x => x.User).AsEnumerable();
if (!result.Any(x => x.State == PullRequestReviewState.Pending))
{
var newReview = new PullRequestReviewSummaryViewModel
{
State = PullRequestReviewState.Pending,
User = currentUser,
};
result = result.Concat(new[] { newReview });
}
return(result);
}
/// <summary>
/// Builds a collection of <see cref="PullRequestReviewSummaryViewModel"/>s by user.
/// </summary>
/// <param name="currentUser">The current user.</param>
/// <param name="pullRequest">The pull request model.</param>
/// <remarks>
/// This method builds a list similar to that found in the "Reviewers" section at the top-
/// right of the Pull Request page on GitHub.
/// </remarks>
public static IEnumerable <PullRequestReviewSummaryViewModel> BuildByUser(
ActorModel currentUser,
PullRequestDetailModel pullRequest)
{
var existing = new Dictionary <string, PullRequestReviewSummaryViewModel>();
foreach (var review in pullRequest.Reviews.OrderBy(x => x.SubmittedAt))
{
if (review.State == PullRequestReviewState.Pending && review.Author.Login != currentUser.Login)
{
continue;
}
PullRequestReviewSummaryViewModel previous;
existing.TryGetValue(review.Author.Login, out previous);
var previousPriority = ToPriority(previous);
var reviewPriority = ToPriority(review.State);
if (reviewPriority >= previousPriority)
{
existing[review.Author.Login] = new PullRequestReviewSummaryViewModel
{
Id = review.Id,
User = new ActorViewModel(review.Author),
State = review.State,
FileCommentCount = review.Comments.Count,
};
}
}
var result = existing.Values.OrderBy(x => x.User.Login).AsEnumerable();
if (!result.Any(x => x.State == PullRequestReviewState.Pending))
{
var newReview = new PullRequestReviewSummaryViewModel
{
State = PullRequestReviewState.Pending,
User = new ActorViewModel(currentUser),
};
result = result.Concat(new[] { newReview });
}
return(result);
}
/// <summary>
/// Loads the view model from octokit models.
/// </summary>
/// <param name="pullRequest">The pull request model.</param>
public async Task Load(PullRequestDetailModel pullRequest)
{
try
{
var firstLoad = (Model == null);
Model = pullRequest;
Author = new ActorViewModel(pullRequest.Author);
Title = Resources.PullRequestNavigationItemText + " #" + pullRequest.Number;
IsBusy = true;
IsFromFork = !pullRequestsService.IsPullRequestFromRepository(LocalRepository, pullRequest);
SourceBranchDisplayName = GetBranchDisplayName(IsFromFork, pullRequest.HeadRepositoryOwner, pullRequest.HeadRefName);
TargetBranchDisplayName = GetBranchDisplayName(IsFromFork, pullRequest.BaseRepositoryOwner, pullRequest.BaseRefName);
Body = !string.IsNullOrWhiteSpace(pullRequest.Body) ? pullRequest.Body : Resources.NoDescriptionProvidedMarkdown;
Reviews = PullRequestReviewSummaryViewModel.BuildByUser(Session.User, pullRequest).ToList();
Checks = (IReadOnlyList <IPullRequestCheckViewModel>)PullRequestCheckViewModel.Build(viewViewModelFactory, pullRequest)?.ToList() ?? Array.Empty <IPullRequestCheckViewModel>();
// Only show unresolved comments
await Files.InitializeAsync(Session, c => !c.IsResolved);
var localBranches = await pullRequestsService.GetLocalBranches(LocalRepository, pullRequest).ToList();
var currentBranch = gitService.GetBranch(LocalRepository);
IsCheckedOut = localBranches.Contains(currentBranch);
if (IsCheckedOut)
{
var divergence = await pullRequestsService.CalculateHistoryDivergence(LocalRepository, Model.Number);
var pullEnabled = divergence.BehindBy > 0;
var pushEnabled = divergence.AheadBy > 0 && !pullEnabled;
string pullToolTip;
string pushToolTip;
if (pullEnabled)
{
pullToolTip = string.Format(
CultureInfo.InvariantCulture,
Resources.PullRequestDetailsPullToolTip,
IsFromFork ? Resources.Fork : Resources.Remote,
SourceBranchDisplayName);
}
else
{
pullToolTip = Resources.NoCommitsToPull;
}
if (pushEnabled)
{
pushToolTip = string.Format(
CultureInfo.InvariantCulture,
Resources.PullRequestDetailsPushToolTip,
IsFromFork ? Resources.Fork : Resources.Remote,
SourceBranchDisplayName);
}
else if (divergence.AheadBy == 0)
{
pushToolTip = Resources.NoCommitsToPush;
}
else
{
pushToolTip = Resources.MustPullBeforePush;
}
var submodulesToSync = await pullRequestsService.CountSubmodulesToSync(LocalRepository);
var syncSubmodulesToolTip = string.Format(CultureInfo.InvariantCulture, Resources.SyncSubmodules, submodulesToSync);
UpdateState = new UpdateCommandState(divergence, pullEnabled, pushEnabled, pullToolTip, pushToolTip, syncSubmodulesToolTip, submodulesToSync);
CheckoutState = null;
}
else
{
var caption = localBranches.Count > 0 ?
string.Format(
CultureInfo.InvariantCulture,
Resources.PullRequestDetailsCheckout,
localBranches.First().DisplayName) :
string.Format(
CultureInfo.InvariantCulture,
Resources.PullRequestDetailsCheckoutTo,
await pullRequestsService.GetDefaultLocalBranchName(LocalRepository, Model.Number, Model.Title));
var clean = await pullRequestsService.IsWorkingDirectoryClean(LocalRepository);
string disabled = null;
if (pullRequest.HeadRepositoryOwner == null)
{
disabled = Resources.SourceRepositoryNoLongerAvailable;
}
else if (!clean)
{
disabled = Resources.WorkingDirectoryHasUncommittedCHanges;
}
CheckoutState = new CheckoutCommandState(caption, disabled);
UpdateState = null;
}
sessionSubscription?.Dispose();
sessionSubscription = Session.WhenAnyValue(x => x.HasPendingReview)
.Skip(1)
.Subscribe(x => Reviews = PullRequestReviewSummaryViewModel.BuildByUser(Session.User, Session.PullRequest).ToList());
if (firstLoad)
{
usageTracker.IncrementCounter(x => x.NumberOfPullRequestsOpened).Forget();
}
if (!isInCheckout)
{
pullRequestsService.RemoveUnusedRemotes(LocalRepository).Subscribe(_ => { });
}
}
finally
{
IsBusy = false;
}
}
static int ToPriority(PullRequestReviewSummaryViewModel review)
{
return(review != null?ToPriority(review.State) : 0);
}