public ActionResult Edit(int id = 0)
{
ICourseService courseService = CourseService.GetInstance<CourseRepository>();
CourseReport course = courseService.GetCourseReport(id);
CourseViewModel model = TempData["CourseModel"] as CourseViewModel ?? new CourseViewModel();
if (course != null) {
model = new CourseViewModel(course);
ICourseClassService courseClassService = CourseClassService.GetInstance<CourseClassRepository>();
IEnumerable<CourseClass> courseClasses = courseClassService.GetClassesByCourseId(course.Id);
List<CourseClassViewModel> courseClassModels = new List<CourseClassViewModel>();
foreach (CourseClass cc in courseClasses) {
courseClassModels.Add(new CourseClassViewModel() {
Id = cc.Id,
Description = cc.Description,
BeginTime = cc.BeginTime,
EndTime = cc.EndTime,
Finished = cc.Finished,
Broadcasting = cc.Broadcasting
});
}
model.CourseClasses = courseClassModels;
}
ViewData["Errors"] = TempData["Errors"] ?? new List<ModelError>();
return View(model);
}
public ActionResult Index(int id = 0)
{
ICourseService courseService = CourseService.GetInstance<CourseRepository>();
Course course = courseService.Get(id);
if (id == 0 || course == null) {
// If no id specified, redirect to profile's dashboard
return RedirectToHash("Dashboard", "Index", "dashboard");
}
CourseViewModel model = new CourseViewModel(course);
Session["CurrentCourseId"] = model.Id;
ICourseClassService ccService = CourseClassService.GetInstance<CourseClassRepository>();
IEnumerable<CourseClass> classes = ccService.GetClassesByCourseId(course.Id);
List<CourseClassViewModel> ccModels = new List<CourseClassViewModel>();
foreach (CourseClass cc in classes) {
ccModels.Add(new CourseClassViewModel(cc));
}
ViewBag.Classes = ccModels;
if (IsInRole(Role.ROLE_TEACHER)) {
bool res = courseService.IsTeacherOfCourse(model.Id, CurrentProfile.Id);
ViewBag.IsTeacherOfClass = res;
if (res) {
// This gets all students in a given course
ICourseStudentService service = CourseStudentService.GetInstance<CourseStudentRepository>();
IEnumerable<CourseStudent.Report> students = service.GetCourseStudentsByCourseId(model.Id);
ViewBag.CourseStudents = students;
// This gets all classes for a given course
ICourseClassService courseClassService = CourseClassService.GetInstance<CourseClassRepository>();
IEnumerable<CourseClass> courseClasses = courseClassService.GetClassesByCourseId(course.Id);
List<CourseClassViewModel> courseClassModels = new List<CourseClassViewModel>();
foreach (CourseClass cc in courseClasses) {
courseClassModels.Add(new CourseClassViewModel() {
Id = cc.Id,
Description = cc.Description,
BeginTime = cc.BeginTime,
EndTime = cc.EndTime,
Finished = cc.Finished,
Broadcasting = cc.Broadcasting
});
}
ViewBag.CourseClasses = courseClassModels;
}
} else {
ViewBag.IsTeacherOfClass = false;
}
return View(model);
}
public ActionResult Edit(CourseViewModel model, HttpPostedFileBase file)
{
if (!ModelState.IsValid || model.TeacherId == 0) {
TempData["CourseModel"] = model;
if (model.TeacherId == 0) {
ModelState.AddModelError("NoTeacher", "You must specify a teacher.");
}
TempData["Errors"] = ModelState.Values.SelectMany(v => v.Errors).ToList();
if (model.Id > 0) {
return RedirectToAction("Edit", "Course", new { id = model.Id });
} else {
return RedirectToAction("Edit", "Course");
}
}
ICourseService courseService = CourseService.GetInstance<CourseRepository>();
ICourseTeacherService courseTeacherService = CourseTeacherService.GetInstance<CourseTeacherRepository>();
Course course = model.Id == 0 ? new Course() : courseService.Get(model.Id);
course.Title = model.Title;
course.Description = model.Description;
course.AboutCourse = model.AboutCourse;
course.Syllabus = model.Syllabus;
course.Lectures = model.Lectures;
course.IsPublic = model.IsPublic;
if (course.SchoolId == 0) {
course.SchoolId = CurrentProfile.Id;
}
string filename;
if (file != null && file.ContentLength > 0) {
filename = Guid.NewGuid().ToString() + "." + Path.GetExtension(file.FileName);
string path = Path.Combine(Server.MapPath(Constants.UPLOADS_PATH), filename);
FileHelper.CreateFile(path, file.InputStream, true);
} else {
filename = "class_default.jpg";
}
course.PictureUrl = filename;
if (model.Id == 0) {
course = courseService.Insert(course);
} else {
courseService.Update(course);
}
CourseTeacher courseTeacher = new CourseTeacher();
courseTeacher.CourseId = course.Id;
courseTeacher.TeacherId = model.TeacherId;
courseTeacherService.Insert(courseTeacher);
return RedirectToAction("Edit", "Course", new { id = course.Id });
}
