public static IList <StudentGradingStatsViewData> Create(IList <ClassAnnouncement> announcements
, IList <StudentAnnouncementDetails> studentAnnouncements, IList <ClaimInfo> claims)
{
var res = new List <StudentGradingStatsViewData>();
studentAnnouncements = studentAnnouncements.Where(x => x.NumericScore.HasValue).ToList();
announcements = announcements.Where(x => studentAnnouncements.Any(y => y.AnnouncementId == x.Id)).ToList();
var dicDateAnns = announcements.GroupBy(x => x.Expires).ToDictionary(x => x.Key, x => x.ToList());
foreach (var dateAnn in dicDateAnns)
{
var anns = dateAnn.Value;
var stAnns = studentAnnouncements.Where(x => anns.Any(y => y.Id == x.AnnouncementId)).ToList();
var stIds = stAnns.GroupBy(x => x.StudentId).Select(x => x.Key).ToList();
var item = new StudentGradingStatsViewData
{
Date = dateAnn.Key,
AnnouncementGrades = dateAnn.Value.Select(x => ShortAnnouncementGradeViewData.Create(x, stAnns, stIds, claims)).ToList()
};
if (stAnns.Any())
{
item.Grade = (stAnns.Max(x => x.NumericScore) + stAnns.Min(x => x.NumericScore)) / 2;
}
res.Add(item);
}
return(res);
}
public static IList <StudentGradingByTypeStatsViewData> Create(IList <ClassAnnouncement> announcements
, IList <StudentAnnouncementDetails> studentAnnouncements, IList <ClaimInfo> claims)
{
var res = new List <StudentGradingByTypeStatsViewData>();
announcements = announcements.Where(x => x.ClassAnnouncementTypeRef.HasValue).ToList();
var dicbyType = announcements.GroupBy(x => x.ClassAnnouncementTypeRef).ToDictionary(x => x.Key, x => x.ToList());
foreach (var typeAnns in dicbyType)
{
var ann = typeAnns.Value.First();
Trace.Assert(ann.ClassAnnouncementTypeRef.HasValue);
res.Add(new StudentGradingByTypeStatsViewData
{
ClassAnnouncementTypeId = ann.ClassAnnouncementTypeRef.Value,
ClassAnnouncementTypeName = ann.ClassAnnouncementTypeName,
StudentGradingStats = StudentGradingStatsViewData.Create(typeAnns.Value, studentAnnouncements, claims)
});
}
return(res);
}
