private async Task <ClassViewModel> GetClassViewModelAsync(int id)
{
var item = await GetByIdAsync(id);
var lecturer = await _lecturerApi.GetByIdAsync(item.LecturerId);
var groupNames = new List <string>();
foreach (var groupId in item.GroupIds)
{
groupNames.Add(await GetGroupName(groupId));
}
var viewModel = new ClassViewModel
{
Class = item,
GroupNames = groupNames,
LecturerName = $"{lecturer.FirstName} {lecturer.LastName}",
SubjectName = await GetSubjectName(item.SubjectId),
};
return(viewModel);
}
public async Task <Lecturer> GetByIdAsync(int id) => await _lecturerApi.GetByIdAsync(id);