/// <summary>
/// Returns an assignment group result, for a given user and assignment group.
/// </summary>
public AssignmentGroupResult GetAssignmentGroupResult(
string assignmentGroupName,
IList <Assignment> assignments,
Section section,
User user,
IList <UserQuestionSubmission> submissions,
bool admin)
{
var sectionAssignmentsInGroup = _assignmentFilter.FilterAssignments
(
assignments,
section,
assignmentGroupName
);
var assignmentGroupSubmissionsForUser = _assignmentFilter.FilterSubmissions
(
sectionAssignmentsInGroup,
submissions,
user
);
var assignmentResults = sectionAssignmentsInGroup.Select
(
assignment => _assignmentResultGenerator.CreateAssignmentResult
(
section,
assignment,
user,
admin,
assignmentGroupSubmissionsForUser
)
).ToList();
return(new AssignmentGroupResult
(
assignmentGroupName,
user.LastName,
user.FirstName,
_assignmentGroupScoreCalculator.GetAssignmentGroupScore
(
assignmentResults,
roundDigits: 1
),
_assignmentGroupScoreCalculator.GetAssignmentGroupTotalPoints
(
sectionAssignmentsInGroup,
roundDigits: 1
),
assignmentResults,
_assignmentGroupScoreCalculator.GetAssignmentGroupStatus
(
assignmentResults
)
));
}
/// <summary>
/// Calculates the score for a single assignment group in a single section,
/// for all students.
/// </summary>
public SectionAssignmentResults GetSectionAssignmentGroupResults(
string assignmentGroupName,
IList <Assignment> assignments,
Section section,
IList <User> users,
IList <UserQuestionSubmission> submissions)
{
var sectionAssignmentsInGroup = _assignmentFilter.FilterAssignments
(
assignments,
section,
assignmentGroupName
);
var assignmentGroupSubmissions = _assignmentFilter.FilterSubmissions
(
sectionAssignmentsInGroup,
submissions
);
var assignmentGroupSubmissionsByUser = assignmentGroupSubmissions
.GroupBy(s => s.UserQuestionData.UserId)
.ToDictionary(g => g.Key, g => g.ToList());
var studentResults = users
.OrderBy(u => u.LastName)
.ThenBy(u => u.FirstName)
.Select
(
user => _assignmentGroupResultGenerator.GetAssignmentGroupResult
(
assignmentGroupName,
sectionAssignmentsInGroup,
section,
user,
assignmentGroupSubmissionsByUser.GetValueOrNew(user.Id),
admin: true
)
).ToList();
return(new SectionAssignmentResults
(
assignmentGroupName,
section.DisplayName,
_assignmentGroupScoreCalculator.GetAssignmentGroupTotalPoints
(
sectionAssignmentsInGroup,
roundDigits: 1
),
studentResults
));
}
/// <summary>
/// Returns the assignment results for the given set of submissions.
/// </summary>
public IList <SectionAssignmentResults> GetAssignmentGroupResultsSnapshot(
IList <Assignment> assignments,
IList <User> users,
Section section,
IList <UserQuestionSubmission> submissions,
DateTime snapshotDate)
{
var sectionAssignments = _assignmentFilter.FilterAssignments
(
assignments,
section,
assignmentGroupName: null,
maxDueDate: snapshotDate
);
var assignmentGroups = _assignmentFilter.GetAssignmentGroups
(
section,
sectionAssignments
);
var sectionAssignmentSubmissions = _assignmentFilter.FilterSubmissions
(
sectionAssignments,
submissions,
null /*user*/,
snapshotDate
);
var submissionsByGroup = sectionAssignmentSubmissions.GroupBy
(
submission => submission.UserQuestionData
.AssignmentQuestion
.Assignment
.GroupName
).ToDictionary(g => g.Key, g => g.ToList());
return(assignmentGroups.Select
(
assignmentGroup => _sectionAssignmentReportGenerator
.GetSectionAssignmentGroupResults
(
assignmentGroup.Key,
assignmentGroup.ToList(),
section,
users,
submissionsByGroup.GetValueOrNew(assignmentGroup.Key)
)
).ToList());
}
/// <summary>
/// Calculates the scores of all assignment groups for a given student.
/// </summary>
public StudentAssignmentResults GetStudentAssignmentGroupResults(
User user,
Section section,
IList <Assignment> assignments,
IList <UserQuestionSubmission> submissions,
bool admin)
{
var sectionAssignments = _assignmentFilter.FilterAssignments
(
assignments,
section
);
var userSubmissions = _assignmentFilter.FilterSubmissions
(
sectionAssignments,
submissions,
user
);
var assignmentGroups = _assignmentFilter.GetAssignmentGroups
(
section,
sectionAssignments
);
var assignmentGroupResults = assignmentGroups.Select
(
assignmentGroup => _assignmentGroupResultGenerator.GetAssignmentGroupResult
(
assignmentGroup.Key,
assignmentGroup.ToList(),
section,
user,
userSubmissions,
admin
)
).ToList();
return(new StudentAssignmentResults
(
user.LastName,
user.FirstName,
section?.DisplayName,
assignmentGroupResults
));
}
