public static IEnumerable <Grade> FetchAll(ProblemMapping problems, IEnumerable <IDictionary <string, string> > students)
{
return
(from student in students
let grade = new Grade(problems, student)
where grade.Type != null && problems.ContainsKey(grade.Type)
select grade);
}
public Grade(ProblemMapping problems, IDictionary <string, string> student)
{
Type = student[problems.TypeField];
student.Remove(new KeyValuePair <string, string>(problems.TypeField, Type));
if (string.IsNullOrWhiteSpace(Type) || !problems.ContainsKey(Type))
{
Type = null;
return;
}
_problemMapping = problems;
var studentProblems = problems[Type];
OriginalStudent = new Dictionary <string, string>(student);
Student = new Dictionary <string, string>(student);
foreach (var problem in studentProblems)
{
string grade;
if (!Student.TryGetValue(problem.Key, out grade))
{
grade = "0";
}
_problems[problem.Value] = new Comment(problem.Key, grade);
Student.Remove(new KeyValuePair <string, string>(problem.Key, grade));
foreach (var kvp in Student)
{
var split = kvp.Key.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (split.Count() < 2)
{
continue;
}
var id = split.LastOrDefault();
int identity;
if (string.IsNullOrWhiteSpace(id) || !int.TryParse(id, out identity))
{
continue;
}
Student[kvp.Key] = Total.ToString();
break;
}
var comments = ToString();
if (!string.IsNullOrWhiteSpace(comments))
{
Student[CommentHeader] = comments;
Student[CommentFormatHeader] = FormatText;
}
}
}
public Grade(ProblemMapping problems, IDictionary <string, string> studentGrade, bool canDisplayAllGrades, bool relativeGrades)
{
_commentHeader = Settings.Default.CommentHeader;
_commentFormatHeader = Settings.Default.CommentFormatHeader;
var formatText = Settings.Default.CommentFormat;
CanDisplayAllGrades = canDisplayAllGrades;
_problemMapping = problems;
var student = new Dictionary <string, string>(studentGrade);
Student = student;
Id = student[Settings.Default.IdField];
student.Remove(Settings.Default.IdField);
if (String.IsNullOrWhiteSpace(Id) || !problems.ContainsKey(Id))
{
Id = null;
return;
}
var studentProblems = problems[Id];
foreach (var problem in studentProblems)
{
string grade;
if (!student.TryGetValue(problem.Value.GetNumber(problem.Key), out grade))
{
grade = "0";
}
var comment = new Comment(problem.Key, problem.Value.IsMixed, canDisplayAllGrades, relativeGrades, grade,
problem.Value.IsMultiplier() ? problem.Value.TotalMultiplier : problem.Value.TotalPoints);
_problems[problem.Value] = comment;
var numberString = comment.Problem.ToNumberString();
student.Remove(numberString);
foreach (var kvp in student)
{
var split = kvp.Key.Split(new char[] { '|' }, StringSplitOptions.RemoveEmptyEntries);
if (split.Count() < 2)
{
continue;
}
var id = split.LastOrDefault();
int identity;
if (String.IsNullOrWhiteSpace(id) || !Int32.TryParse(id, out identity))
{
continue;
}
student[kvp.Key] = Total.ToString("N2");
break;
}
}
var comments = ToString();
if (!String.IsNullOrWhiteSpace(comments))
{
student[_commentHeader] = comments;
student[_commentFormatHeader] = formatText;
}
foreach (var key in student.Keys.ToArray())
{
var split = key.Split(new[] { Settings.Default.ProblemSeparator }, 2);
int dummy;
if (split.Length > 1 && int.TryParse(split[1], out dummy))
{
student.Remove(key);
}
}
}