public static IList <StandardGradingViewData> Create(IList <GradingStandardInfo> gradingStandards, IList <int> studentIds)
{
var gradigDic = gradingStandards.GroupBy(x => x.Standard.Id).ToDictionary(x => x.Key, x => x.ToList());
var res = new List <StandardGradingViewData>();
foreach (var kv in gradigDic)
{
var gradingSt = kv.Value.First();
var standardGrading = new StandardGradingViewData
{
Standard = StandardViewData.Create(gradingSt.Standard),
NumericAvg = (int?)kv.Value.Average(x => x.NumericGrade),
Items = new List <StandardGradingItemViewData>()
};
res.Add(standardGrading);
foreach (var studentId in studentIds)
{
var gradingInfo = kv.Value.FirstOrDefault(x => x.StudentId == studentId);
if (gradingInfo != null)
{
standardGrading.Items.Add(StandardGradingItemViewData.Create(gradingInfo));
}
}
}
return(res);
}
public static StandardGradingItemViewData Create(GradingStandardInfo gradingStandard)
{
var res = new StandardGradingItemViewData
{
StudentId = gradingStandard.StudentId,
GradeId = gradingStandard.AlphaGradeId,
GradeValue = gradingStandard.AlphaGradeName,
StandardId = gradingStandard.Standard.Id,
GradingPeriodId = gradingStandard.GradingPeriodId,
ClassId = gradingStandard.ClassId,
Comment = gradingStandard.Note
};
if (string.IsNullOrEmpty(res.GradeValue) && gradingStandard.NumericGrade.HasValue)
{
res.GradeValue = gradingStandard.NumericGrade.Value.ToString();
}
res.NumericGrade = gradingStandard.NumericGrade;
return(res);
}