/// <summary>
/// 1. Check whether this is the first upload for this bug (maybe not necessary)
/// 2. Calculate algorithm values for the files in the bug
/// 3. Calculate reviewers for the bug
/// </summary>
private void ProcessPatchUpload(IssueTrackerEvent info, bool noComparison, bool fRecalculateMode)
{
// 1. Check whether this is the first upload for this bug (maybe not necessary)
if (PredictedIssues.Contains(info.ChangeId))
{
return; // this is not the first item for this bug. We don't need another prediction.
}
// 2. Calculate algorithm values for the files in the bug
DateTime end = info.When;
foreach (AlgorithmBase algo in Algorithms)
{
algo.UpdateFromSourceUntil(end);
}
IList <string> involvedFiles = info.Filenames;
List <Task> tasks = new List <Task>();
foreach (AlgorithmBase algorithm in Algorithms)
{
tasks.Add(algorithm.CalculateExpertiseForFilesAsync(involvedFiles));
}
Task.WaitAll(tasks.ToArray());
if (noComparison)
{
return;
}
// 3. Calculate reviewers for the bug
IEnumerable <int> artifactIds = involvedFiles
.Select(fileName => SourceManager.FindOrCreateFileArtifactId(fileName));
// Create a list of tasks, one for each algorithm, that compute reviewers for the artifact
IEnumerable <Task <ComputedReviewer> > computedReviewerTasks = Algorithms.Select(algorithm => algorithm.GetDevelopersForArtifactsAsync(artifactIds)).ToList();
Task.WaitAll(computedReviewerTasks.ToArray());
using (ExpertiseDBEntities repository = new ExpertiseDBEntities())
{
Bug currentBug = null;
if (fRecalculateMode)
{
currentBug = repository.Bugs.SingleOrDefault(bug => bug.ChangeId == info.ChangeId);
}
if (!fRecalculateMode || null == currentBug)
{
currentBug = new Bug()
{
ChangeId = info.ChangeId,
RepositoryId = this.RepositoryId
};
repository.Bugs.Add(currentBug);
}
foreach (Task <ComputedReviewer> task in computedReviewerTasks)
{
currentBug.ComputedReviewers.Add(task.Result);
}
repository.SaveChanges();
}
PredictedIssues.Add(info.ChangeId);
}