public TeacherExtendedDto GetExtendedDataForTeacher(int teacherId)
{
TeacherUser teacher = db.TeachersRepository.Get(t => t.Id == teacherId).FirstOrDefault();
if (teacher == null)
{
return(null);
}
TeacherExtendedDto teacherData = new TeacherExtendedDto()
{
TeacherId = teacher.Id,
FirstName = teacher.FirstName,
LastName = teacher.LastName,
ClassRooms = teacher.Teachings
.SelectMany(t => t.Programs).GroupBy(p => p.ClassRoom)
.Select(g => new TeacherExtendedDto.ClassRoomCoursesDto()
{
ClassRoomId = g.Key.Id,
ClassRoomName = g.Key.Name,
Grade = g.Key.ClassGrade,
Courses = g.Select(prog => new TeacherExtendedDto.ClassRoomCoursesDto.InnerCourseDto()
{
CourseId = prog.Course.Id,
CourseName = prog.Course.Name,
WeeklyHours = prog.WeeklyHours
}).ToList()
}).ToList(),
// No groupings or selectmanys?? and still working...
Courses = teacher.Teachings
.Select(g => new TeacherExtendedDto.CourseClassRoomDto()
{
CourseId = g.Course.Id,
CourseName = g.Course.Name,
ClassRooms = g.Programs.Select(p => new TeacherExtendedDto.CourseClassRoomDto.InnerClassRoomDto()
{
ClassRoomId = p.ClassRoom.Id,
ClassRoomName = p.ClassRoom.Name,
Grade = p.ClassRoom.ClassGrade,
WeeklyHours = p.WeeklyHours
}).ToList()
}).ToList()
};
return(teacherData);
}
/// <summary>
/// Convert a teacher model to an extended data structure
/// With a list of classrooms and courses
/// and a list of courses and classrooms
/// </summary>
/// <param name="teacher"></param>
/// <returns></returns>
public static TeacherExtendedDto TeacherToTeacherExtendedDto(TeacherUser teacher)
{
TeacherExtendedDto teacherData = new TeacherExtendedDto()
{
TeacherId = teacher.Id,
FirstName = teacher.FirstName,
LastName = teacher.LastName,
ClassRooms = teacher.Teachings
.SelectMany(t => t.Programs).GroupBy(p => p.ClassRoom)
.Select(g => new TeacherExtendedDto.ClassRoomCoursesDto()
{
ClassRoomId = g.Key.Id,
ClassRoomName = g.Key.Name,
Grade = g.Key.ClassGrade,
Courses = g.Select(prog => new TeacherExtendedDto.ClassRoomCoursesDto.InnerCourseDto()
{
CourseId = prog.Course.Id,
CourseName = prog.Course.Name,
WeeklyHours = prog.WeeklyHours
}).ToList()
}).ToList(),
// No groupings or selectmanys?? and still working...
Courses = teacher.Teachings
.Select(g => new TeacherExtendedDto.CourseClassRoomDto()
{
CourseId = g.Course.Id,
CourseName = g.Course.Name,
ClassRooms = g.Programs.Select(p => new TeacherExtendedDto.CourseClassRoomDto.InnerClassRoomDto()
{
ClassRoomId = p.ClassRoom.Id,
ClassRoomName = p.ClassRoom.Name,
Grade = p.ClassRoom.ClassGrade,
WeeklyHours = p.WeeklyHours
}).ToList()
}).ToList()
};
return(teacherData);
}
