/// <summary> /// Loads the view model from octokit models. /// </summary> /// <param name="pullRequest">The pull request model.</param> /// <param name="files">The pull request's changed files.</param> public async Task Load(IPullRequestModel pullRequest) { Model = pullRequest; SourceBranchDisplayName = GetBranchDisplayName(pullRequest.Head?.Label); TargetBranchDisplayName = GetBranchDisplayName(pullRequest.Base.Label); Body = !string.IsNullOrWhiteSpace(pullRequest.Body) ? pullRequest.Body : "*No description provided.*"; ChangedFilesTree.Clear(); ChangedFilesList.Clear(); // WPF doesn't support AddRange here so iterate through the changes. foreach (var change in CreateChangedFilesList(pullRequest.ChangedFiles)) { ChangedFilesList.Add(change); } foreach (var change in CreateChangedFilesTree(ChangedFilesList).Children) { ChangedFilesTree.Add(change); } var localBranches = await pullRequestsService.GetLocalBranches(repository, pullRequest).ToList(); if (localBranches.Contains(repository.CurrentBranch)) { var divergence = await pullRequestsService.CalculateHistoryDivergence(repository, Model.Number); if (divergence.BehindBy == null) { CheckoutMode = CheckoutMode.InvalidState; } else if (divergence.AheadBy > 0) { CheckoutMode = pullRequestsService.IsPullRequestFromFork(repository, pullRequest) ? CheckoutMode.InvalidState : CheckoutMode.Push; } else if (divergence.BehindBy == 0) { CheckoutMode = CheckoutMode.UpToDate; } else { CheckoutMode = CheckoutMode.NeedsPull; CommitsBehind = divergence.BehindBy.Value; } } else if (localBranches.Count > 0) { CheckoutMode = CheckoutMode.Switch; } else { CheckoutMode = CheckoutMode.Fetch; } var clean = await pullRequestsService.IsCleanForCheckout(repository); CheckoutDisabledMessage = (!clean && CheckoutMode != CheckoutMode.UpToDate && CheckoutMode != CheckoutMode.Push) ? $"Cannot {GetCheckoutModeDescription(CheckoutMode)} as your working directory has uncommitted changes." : null; IsBusy = false; }