/// <summary>
/// Function to add a new grade to the repository
/// </summary>
/// <param name="stId">id of the student</param>
/// <param name="hwId">id of the homework</param>
/// <param name="gradeValue">grade value</param>
/// <param name="professor">professor name</param>
/// <param name="feedback">feedback</param>
/// <exception cref="StudentOrHomeworNotFoundException">if the given homework or student does not exist</exception>
/// <returns>null if the grade was added, the given grade otherwise</returns>
public Grade AddGrade(int stId, string hwId, double gradeValue, string professor, string feedback)
{
var st = _stRepo.FindOne(stId);
var hw = _hwRepo.FindOne(hwId);
if (st == null || hw == null)
{
throw new StudentOrHomeworNotFoundException("The given student or homework does not exist!");
}
var diff = hw.DeadlineWeek - Utility.GetCurrentWeek();
if (diff == -1 || diff == -2)
{
gradeValue += (2.5d) * diff;
}
else if (diff < -2)
{
gradeValue = 1.0d;
}
return(_grRepo.Save(new Grade(stId, hwId, gradeValue, professor, feedback)));
}
public static Category FindByName(AbstractRepository repo, string name)
{
return(repo.FindOne <Category>(c => c.Name == name));
}
public static Category FindById(AbstractRepository repo, int id)
{
return(repo.FindOne <Category>(c => c.Id == id));
}
public static Account FindByName(AbstractRepository repo, string name)
{
return(repo.FindOne <Account>(a => a.NormalizedUserName.Contains(name)));
}
public static Account FindById(AbstractRepository repo, Guid id)
{
return(repo.FindOne <Account>(a => a.Id.Equals(id)));
}
/// <summary>
/// Function to get a homework by id
/// </summary>
/// <param name="id">id of the homework to search for</param>
/// <returns>the homework with the given id if it exists, null otherwise</returns>
public Homework FindHomework(string id)
{
return(_hwRepo.FindOne(id));
}
public static Format FindByName(AbstractRepository repo, string name)
{
return(repo.FindOne <Format>(c => c.Name == name));
}
public static Format FindById(AbstractRepository repo, int id)
{
return(repo.FindOne <Format>(c => c.Id == id));
}
/// <summary>
/// Function to find a grade in the repository
/// </summary>
/// <param name="stId">student id</param>
/// <param name="hwId">homework id</param>
/// <returns>the grade with the given id if it exists, null otherwise</returns>
public Grade FindGrade(int stId, string hwId)
{
var pair = new KeyValuePair <int, string>(stId, hwId);
return(_grRepo.FindOne(pair));
}
/// <summary>
/// Function to find a student
/// </summary>
/// <param name="id">id of the student to search</param>
/// <returns>the student if it exists, null otherwise</returns>
public Student FindStudent(int id)
{
return(_studRepo.FindOne(id));
}
