Update logged metrics.

Now logging check outs, pulls and pushes of PR branches, both local and remote.

Author: Steven Kirk

src/GitHub.App/ViewModels/PullRequestDetailViewModel.cs

@@ -288,6 +288,10 @@ public async Task Load(IPullRequestModel pullRequest)
         {
             Model = pullRequest;
             Title = Resources.PullRequestNavigationItemText + " #" + pullRequest.Number;
+            SourceBranchDisplayName = GetBranchDisplayName(pullRequest.Head?.Label);
+            TargetBranchDisplayName = GetBranchDisplayName(pullRequest.Base.Label);
+            IsFromFork = pullRequestsService.IsPullRequestFromFork(repository, pullRequest);
+            Body = !string.IsNullOrWhiteSpace(pullRequest.Body) ? pullRequest.Body : "*No description provided.*";
 
             IsFromFork = pullRequestsService.IsPullRequestFromFork(repository, Model);
             SourceBranchDisplayName = GetBranchDisplayName(IsFromFork, pullRequest.Head?.Label);
@@ -483,7 +487,7 @@ IObservable<Unit> DoCheckout(object unused)
             {
                 var localBranches = await pullRequestsService.GetLocalBranches(repository, Model).ToList();
 
-                usageTracker.IncrementPullRequestCheckedOut().Forget();
+                usageTracker.IncrementPullRequestCheckOutCount(IsFromFork).Forget();
 
                 if (localBranches.Count > 0)
                 {

src/GitHub.VisualStudio/Services/UsageTracker.cs

@@ -360,8 +360,6 @@ static void ClearCounters(UsageModel usage, bool weekly, bool monthly)
             usage.NumberOfForkPullRequestsCheckedOut = 0;
             usage.NumberOfForkPullRequestPulls = 0;
             usage.NumberOfForkPullRequestPushes = 0;
-            usage.NumberOfPullRequestsOpened = 0;
-            usage.NumberOfPullRequestsCheckedOut = 0;
 
             if (weekly)
                 usage.NumberOfStartupsWeek = 0;

src/GitHub.VisualStudio/Services/UsageTrackerDispatcher.cs

@@ -32,7 +32,5 @@ public UsageTrackerDispatcher([Import(typeof(SVsServiceProvider))] IServiceProvi
         public Task IncrementWelcomeDocsClicks() => inner.IncrementWelcomeDocsClicks();
         public Task IncrementWelcomeTrainingClicks() => inner.IncrementWelcomeTrainingClicks();
         public Task IncrementGitHubPaneHelpClicks() => inner.IncrementGitHubPaneHelpClicks();
-        public Task IncrementPullRequestOpened() => inner.IncrementPullRequestOpened();
-        public Task IncrementPullRequestCheckedOut() => inner.IncrementPullRequestCheckedOut();
     }
 }