internal PullRequestRecommendationResult Recommend(PullRequestContext pullRequestContext)
{
var pullRequestRecommendationResult = RecommendReviewers(pullRequestContext);
// we sort the names alphabetically. Helps when analyzing the results later.
pullRequestRecommendationResult.ActualReviewers = pullRequestContext.ActualReviewers.Select(q => q.DeveloperName).OrderBy(q => q).ToArray();
pullRequestRecommendationResult.SelectedReviewers = pullRequestRecommendationResult.SelectedReviewers?.OrderBy(q => q).ToArray();
var selectedReviewersKnowledge = pullRequestRecommendationResult.GetSelectedReviewersKnowledge()
.SelectMany(q => q.GetTouchedFiles())
.ToHashSet();
var actualReviewersKnowledge = pullRequestContext.ActualReviewers
.SelectMany(q => q.GetTouchedFiles())
.ToHashSet();
var prFiles = pullRequestContext.PullRequestFiles
.Select(q => pullRequestContext.CanononicalPathMapper.GetValueOrDefault(q.FileName));
if (prFiles.Count() > 0)
{
pullRequestRecommendationResult.Expertise = prFiles.Count(q => selectedReviewersKnowledge.Contains(q)) / (double)prFiles.Count();
}
pullRequestRecommendationResult.PullRequestNumber = pullRequestContext.PullRequest.Number;
pullRequestRecommendationResult.IsSimulated = true;
CalculateMetrics(pullRequestRecommendationResult);
if (!ChangePast)
{
pullRequestRecommendationResult.SelectedReviewers = pullRequestRecommendationResult.ActualReviewers;
}
return(pullRequestRecommendationResult);
}
protected static bool IsDeveloperAvailable(PullRequestContext pullRequestContext, string developerName)
{
return(pullRequestContext.AvailableDevelopers.Any(d => d.NormalizedName == developerName));
}
protected static bool IsDevelperAmongActualReviewers(PullRequestContext pullRequestContext, string developerName)
{
return(pullRequestContext.ActualReviewers.Any(a => a.DeveloperName == developerName));
}
protected abstract PullRequestRecommendationResult RecommendReviewers(PullRequestContext pullRequestContext);
