/// <summary>
/// Adds Grade
/// </summary>
/// <param name="viewModel">Injected <see cref="AddGrade"/></param>
/// <returns>Instance of <see cref="Task{ViewGrade}"/></returns>
public async Task <ViewGrade> AddGrade(AddGrade @viewModel)
{
await CheckName(@viewModel);
Grade @Grade = new()
{
Name = @viewModel.Name,
ImageUri = @viewModel.ImageUri
};
try
{
await Context.Grade.AddAsync(@Grade);
await Context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
await CheckName(@viewModel);
}
// Log
string @logData = @Grade.GetType().Name
+ " with Id "
+ @Grade.Id
+ " was added at "
+ DateTime.Now.ToShortTimeString();
Logger.WriteInsertItemLog(@logData);
return(Mapper.Map <ViewGrade>(@Grade));
}
/// <summary>
/// Checks Name
/// </summary>
/// <param name="viewModel">Injected <see cref="AddGrade"/></param>
/// <returns>Instance of <see cref="Task{Grade}"/></returns>
public async Task <Grade> CheckName(AddGrade @viewModel)
{
Grade @Grade = await Context.Grade
.TagWith("CheckName")
.AsNoTracking()
.FirstOrDefaultAsync(x => x.Name == @viewModel.Name);
if (@Grade != null)
{
// Log
string @logData = @Grade.GetType().Name
+ " with Name "
+ @Grade.Name
+ " was already found at "
+ DateTime.Now.ToShortTimeString();
Logger.WriteGetItemFoundLog(@logData);
throw new Exception(@Grade.GetType().Name
+ " with Name "
+ @viewModel.Name
+ " already exists");
}
return(@Grade);
}
public ActionResult AddGrade(int SHId, int studentId)
{
AddGrade item = new AddGrade();
item.StudentID = studentId;
item.SHomeID = SHId;
return(View(item));
}
public ActionResult AddGrade(AddGrade item)
{
int grade = item.Grade;
int sHid = item.SHomeID;
int studentId = item.StudentID;
if ((grade >= 1) && (grade <= 10))
{
StudentHomeworkServices service = new StudentHomeworkServices();
service.AddGrade(sHid, grade, studentId);
return(RedirectToAction("MyStudents", "Teacher"));
}
else
{
ModelState.AddModelError("", "Unable to add a grade.The grade must bee between 1 and 10");
}
return(View());
}
