public async Task <IActionResult> SubmitExamSubmission(int id, IFormFile examSubmission)
{
CourseBasicServiceModel course = await this.courseService.GetByIdAsync <CourseBasicServiceModel>(id);
if (!examSubmission.FileName.EndsWith(".zip") || examSubmission.Length > ExamSubmissionFileLength)
{
TempData.AddErrorMessage("Your submission should be a '.zip' file with no more than 2 MB in size.");
return(RedirectToAction(nameof(Details), new { id, course.Name }));
}
byte[] examSubmisionContents = await examSubmission.ToByteArray();
string userId = this.userManager.GetUserId(User);
bool submitResult = await this.courseService.SaveExamSubmissionAsync(id, userId, examSubmisionContents);
if (!submitResult)
{
return(BadRequest());
}
TempData.AddSuccessMessage("Exam submission uploaded successfully.");
return(RedirectToAction(nameof(Details), new { id, name = course.Name }));
}
public async Task <IActionResult> SignUp(int id)
{
CourseBasicServiceModel course = await this.courseService.GetByIdAsync <CourseBasicServiceModel>(id);
string userId = this.userManager.GetUserId(User);
bool isUserTrainer = await this.trainerService.IsUserTrainerAsync(id, userId);
if (isUserTrainer)
{
TempData.AddErrorMessage("You cannot sign up for course where you are a trainer.");
return(RedirectToAction(nameof(Details), new { id, name = course.Name }));
}
bool signUpResult = await this.courseService.SignUpStudentAsync(userId, id);
if (!signUpResult)
{
return(BadRequest());
}
TempData.AddSuccessMessage($"You have successfully signed up for '{course.Name}'.");
return(RedirectToAction(nameof(Details), new { id, name = course.Name }));
}
public async Task <IActionResult> SignOut(int id)
{
string userId = this.userManager.GetUserId(User);
bool signOutResult = await this.courseService.SignOutStudentAsync(userId, id);
if (!signOutResult)
{
return(BadRequest());
}
CourseBasicServiceModel course = await this.courseService.GetByIdAsync <CourseBasicServiceModel>(id);
TempData.AddSuccessMessage($"You have successfully signed out from '{course.Name}'.");
return(RedirectToAction(nameof(Details), new { id, name = course.Name }));
}
public async Task <IActionResult> Course(int id)
{
string userId = this.userManager.GetUserId(User);
bool isUserTrainer = await this.trainerService.IsUserTrainerAsync(id, userId);
if (!isUserTrainer)
{
return(BadRequest());
}
IEnumerable <StudentInCourseServiceModel> students = await this.trainerService.GetStudentsInCourseByCourseIdAsync(id);
CourseBasicServiceModel course = await this.courseService.GetByIdAsync <CourseBasicServiceModel>(id);
CourseWithStudentsViewModel model = new CourseWithStudentsViewModel
{
Students = students,
Course = course
};
return(View(model));
}
