/// <summary>
/// Constructor.
/// </summary>
public SubmissionCandidatesViewModel(
User user,
IList<Commit> commits,
Func<Commit, string> commitUrlBuilder,
Checkpoint checkpoint,
Model.Projects.Submission latestSubmission,
ITimeZoneProvider timeZoneProvider)
{
User = user;
Checkpoint = checkpoint;
Candidates = commits
.OrderByDescending(commit => commit.PushDate)
.ThenByDescending(commit => commit.CommitDate)
.Select
(
commit => new SubmissionCandidateViewModel
(
commit,
commitUrlBuilder(commit),
latestSubmission?.CommitId == commit.Id,
commit == commits.First(),
timeZoneProvider
)
).ToList();
}
/// <summary>
/// Populates a submission branch with a pull request, and returns the
/// pull request number.
/// </summary>
public async Task<int> CreatePullRequestAsync(
Commit commit,
Checkpoint checkpoint)
{
var student = GetStudent(commit.Project, commit.User);
var orgName = student.Classroom.GitHubOrganization;
var repoName = checkpoint.Project.GetStudentRepoName(student);
// Get the commits to use in the pull requests.
var allCommits = await GetAllCommitsAsync(commit.Project, student);
var submissionCommit = allCommits.SingleOrDefault(c => c.Sha == commit.Sha);
var startingCommit = allCommits.Where(c => c.Parents.Count == 0)
.OrderBy(c => c.Date)
.FirstOrDefault();
// Create a submission branch that initially just contains the starting commit.
// This will be the destination of our new pull request.
var destBranchName = checkpoint.Name;
await _repoClient.CreateBranchAsync
(
orgName,
repoName,
destBranchName,
startingCommit.Sha
);
// Create a temporary source branch that initially contains the student's commit
// for the checkpoint, and all previous commits. This is the source of the pull request.
var sourceBranchName = $"{checkpoint.Name}Source";
await _repoClient.CreateBranchAsync
(
orgName,
repoName,
sourceBranchName,
submissionCommit.Sha
);
// Create the pull request.
var pullRequestTitle = $"{checkpoint.DisplayName} Submission";
int pullRequestNumber = await _repoClient.CreatePullRequestAsync
(
orgName,
repoName,
pullRequestTitle,
sourceBranchName,
destBranchName
);
// Delete the temporary source branch.
await _repoClient.DeleteBranchAsync(orgName, repoName, sourceBranchName);
return pullRequestNumber;
}
/// <summary>
/// Constructor.
/// </summary>
public GradeSubmissionViewModel(
Checkpoint checkpoint,
GradeSubmissionResult result,
Func<TestResult, string> testUrlBuilder,
Func<int, string> buildUrlBuilder,
Func<Commit, int, string> pullRequestUrlBuilder,
ITimeZoneProvider timeZoneProvider)
{
LastName = result.LastName;
FirstName = result.FirstName;
SubmissionId = result.SubmissionId;
CommitDate = GetLink
(
buildUrlBuilder(result.Build.Id),
result.CommitDate.FormatShortDateTime(timeZoneProvider),
preventWrapping: true
);
SubmissionStatus = GetSubmissionStatus(result.DaysLate);
PullRequest = GetLink
(
pullRequestUrlBuilder(result.Build.Commit, result.PullRequestNumber.Value),
"See Submission",
preventWrapping: true
);
RequiredTests = result.RequiredTestsPassed
? GetColoredText("green", "Passed", bold: false, preventWrapping: true)
: GetColoredText("red", "Failed", bold: true, preventWrapping: true);
Feedback = result.Feedback;
FeedbackSent = result.FeedbackSent;
TestClassResults = TestClassTableEntry.GetTestClassResults
(
checkpoint,
result.Build,
testUrlBuilder
);
PastSubmissions = result.PastSubmissions.Select
(
pastSubmission => new PastSubmissionTableEntry
(
pastSubmission,
buildUrlBuilder,
pullRequestUrlBuilder,
timeZoneProvider
)
).ToList();
}
/// <summary>
/// Executes before the action is executed.
/// </summary>
protected override async Task InitializeAsync()
{
await base.InitializeAsync();
Checkpoint = await CheckpointService.GetCheckpointAsync
(
ClassroomName,
ProjectName,
CheckpointName
);
ViewBag.Checkpoint = Checkpoint;
}
/// <summary>
/// Constructor.
/// </summary>
public SubmittedViewModel(
Commit commit,
string commitUrl,
Checkpoint checkpoint,
ITimeZoneProvider timeZoneProvider)
{
User = commit.User;
Checkpoint = checkpoint;
Submission = new SubmissionCandidateViewModel
(
commit,
commitUrl,
true /*previousSubmission*/,
true /*defaultChoice*/,
timeZoneProvider
);
}
/// <summary>
/// Creates a checkpoint.
/// </summary>
public async Task<bool> CreateCheckpointAsync(
string classroomName,
string projectName,
Checkpoint checkpoint,
IModelErrorCollection modelErrors)
{
var project = await LoadProjectAsync(classroomName, projectName);
if (!UpdateCheckpoint(checkpoint, modelErrors))
return false;
checkpoint.ProjectId = project.Id;
_dbContext.Add(checkpoint);
await _dbContext.SaveChangesAsync();
return true;
}
/// <summary>
/// Downloads submissions for a set of students.
/// </summary>
public async Task<StudentSubmissions> DownloadSubmissionsAsync(
Checkpoint checkpoint,
IList<StudentDownloadRequest> studentDownloadRequests)
{
var orgName = checkpoint.Project.Classroom.GitHubOrganization;
var projName = checkpoint.Project.Name;
var students = studentDownloadRequests
.Select(request => request.Student)
.ToList();
var studentsWithSubmissions = new HashSet<ClassroomMembership>
(
studentDownloadRequests
.Where(request => request.Submitted)
.Select(request => request.Student)
);
var studentRepos = await _repoMetadataRetriever.GetStudentRepositoriesAsync
(
checkpoint.Project,
students
);
var submissions = await _operationRunner.RunOperationsAsync
(
studentRepos.Keys,
async student => new StudentSubmission
(
student,
await _repoClient.GetRepositoryContentsAsync
(
orgName,
_repoMetadataRetriever.GetRepoName(checkpoint.Project, student),
studentsWithSubmissions.Contains(student)
? checkpoint.Name
: null,
ArchiveStore.FileSystem
)
)
);
return new StudentSubmissions(submissions);
}
public async Task<IActionResult> Create(Checkpoint checkpoint)
{
if (ModelState.IsValid)
{
var succeeded = await CheckpointService.CreateCheckpointAsync
(
ClassroomName,
ProjectName,
checkpoint,
ModelErrors
);
if (succeeded)
{
return RedirectToAction("Index");
}
}
return View("CreateEdit", checkpoint);
}
/// <summary>
/// Returns a query for all submissions in a given checkpoint.
/// </summary>
private IQueryable<Submission> GetCheckpointSubmissionsQuery(
Checkpoint checkpoint,
Section section)
{
return _dbContext.Submissions
.Where
(
submission =>
submission.CheckpointId == checkpoint.Id &&
submission.Commit.User.ClassroomMemberships.Any
(
cm => cm.SectionMemberships.Any
(
sm => sm.SectionId == section.Id
&& sm.Role == SectionRole.Student
)
)
)
.Include(submission => submission.Commit.User.ClassroomMemberships)
.Include(submission => submission.Commit.Build);
}
/// <summary>
/// Returns all submissions for the current checkpoint, along with
/// submissions for past checkpoints.
/// </summary>
private async Task<List<Submission>> GetSubmissionsForGrading(
Checkpoint checkpoint,
Section section,
DateTime dueDate)
{
return await _dbContext.Submissions
.Where
(
submission =>
submission.Checkpoint.ProjectId == checkpoint.ProjectId &&
submission.Checkpoint
.SectionDates.First(sd => sd.SectionId == section.Id)
.DueDate <= dueDate &&
submission.Commit.User.ClassroomMemberships.Any
(
cm => cm.SectionMemberships.Any
(
sm => sm.SectionId == section.Id
&& sm.Role == SectionRole.Student
)
)
)
.Include(submission => submission.Commit.Build.TestResults)
.Include(submission => submission.Commit.User.ClassroomMemberships)
.Include(submission => submission.Checkpoint.SectionDates)
.ToListAsync();
}
/// <summary>
/// Updates a checkpoint.
/// </summary>
public async Task<bool> UpdateCheckpointAsync(
string classroomName,
string projectName,
Checkpoint checkpoint,
IModelErrorCollection modelErrors)
{
var project = await LoadProjectAsync(classroomName, projectName);
checkpoint.ProjectId = project.Id;
var currentCheckpoint = await _dbContext.Checkpoints
.Where(c => c.Id == checkpoint.Id)
.SingleOrDefaultAsync();
_dbContext.Entry(currentCheckpoint).State = EntityState.Detached;
if (!UpdateCheckpoint(checkpoint, modelErrors))
return false;
_dbContext.Update(checkpoint);
await _dbContext.SaveChangesAsync();
return true;
}
/// <summary>
/// Updates a checkpoint.
/// </summary>
private bool UpdateCheckpoint(Checkpoint checkpoint, IModelErrorCollection modelErrors)
{
if (checkpoint.SectionDates != null)
{
var sections = checkpoint.SectionDates.Select(d => d.SectionId).ToList();
if (sections.Distinct().Count() != sections.Count)
{
modelErrors.AddError("SectionDates", "You may only have one due date per section.");
}
}
if (checkpoint.TestClasses != null)
{
var testClasses = checkpoint.TestClasses.Select(tc => tc.TestClassId).ToList();
if (testClasses.Distinct().Count() != testClasses.Count)
{
modelErrors.AddError("TestClasses", "You may only have one entry per test class.");
}
}
if (modelErrors.HasErrors)
{
return false;
}
_dbContext.RemoveUnwantedObjects
(
_dbContext.CheckpointDates,
checkpointDates => checkpointDates.Id,
checkpointDates => checkpointDates.CheckpointId == checkpoint.Id,
checkpoint.SectionDates
);
_dbContext.RemoveUnwantedObjects
(
_dbContext.CheckpointTestClasses,
testClass => testClass.Id,
testClass => testClass.CheckpointId == checkpoint.Id,
checkpoint.TestClasses
);
return true;
}
/// <summary>
/// Returns table entries for each test class.
/// </summary>
public static IList<TestClassTableEntry> GetTestClassResults(
Checkpoint checkpoint,
Model.Projects.Build build,
Func<TestResult, string> testUrlBuilder)
{
var testClasses = build.Commit.Project.TestClasses;
return build.TestResults.GroupBy(result => result.ClassName)
.OrderBy
(
result => testClasses.FirstOrDefault
(
testClass => testClass.ClassName == result.Key
)?.Order ?? 0
)
.Where
(
group => testClasses.Any
(
testClass => testClass.ClassName == group.Key
)
&&
(
checkpoint == null ||
(
checkpoint.TestClasses?.Any
(
testClass => testClass.TestClass.ClassName == group.Key
) ?? false
)
)
)
.Select
(
group => new TestClassTableEntry
(
testClasses.Single(testClass => testClass.ClassName == group.Key),
checkpoint?.TestClasses
?.FirstOrDefault(tc => tc.TestClass.ClassName == group.Key)
?.Required ?? false,
group.ToList(),
testUrlBuilder
)
).ToList();
}