public async Task <IActionResult> Update(UpdateLessonBindingModel model)
{
bool areSeatsCorrect = this.lessonsUsersService.CheckIfSeatsValueIsPositiveBasedOnAlreadyEnrolledUsers(model.Id, model.Seats);
if (areSeatsCorrect == false)
{
IEnumerable <IdNameViewModel> subjects = this.subjectsService.GetAll();
ViewBag.Subjects = subjects;
string errorNotificationMessage = string.Format(
NotificationsConstants.InvalidSeatsValue,
this.lessonsUsersService.SeatsTakenInLesson(model.Id)
);
this.TempData[NotificationsConstants.ErrorNotification] = errorNotificationMessage;
return(this.View(model));
}
bool isUpdated = await this.lessonsService.UpdateAsync(model);
if (isUpdated == false)
{
return(this.BadRequest());
}
return(this.RedirectToAction("index"));
}
public IActionResult Update(int id)
{
UpdateLessonBindingModel lesson = this.lessonsService.GetByIdForUpdateMethod(id);
IEnumerable <IdNameViewModel> subjects = this.subjectsService.GetAll();
bool isLessonNull = lesson == null;
bool areSubjectsEmpty = subjects.Count() == 0;
if (isLessonNull || areSubjectsEmpty)
{
return(this.RedirectToAction("index"));
}
ViewBag.Subjects = subjects;
return(this.View(lesson));
}
public UpdateLessonBindingModel GetByIdForUpdateMethod(int id)
{
UpdateLessonBindingModel lesson = this.dbContext.Lessons
.Select(l => new UpdateLessonBindingModel
{
Id = l.Id,
Name = l.Name,
Seats = l.Seats,
Hours = l.Hours,
IsOnline = l.IsOnline,
PresentationDate = l.PresentationDate,
SubjectId = l.SubjectId,
})
.Where(l => l.Id == id)
.SingleOrDefault();
return(lesson);
}
public async Task <bool> UpdateAsync(UpdateLessonBindingModel model)
{
Lesson lesson = this.GetLessonById(model.Id);
bool isLessonNull = lesson == null;
if (isLessonNull)
{
return(false);
}
lesson.Name = model.Name;
lesson.IsOnline = model.IsOnline;
lesson.Hours = model.Hours;
lesson.PresentationDate = model.PresentationDate;
lesson.Seats = model.Seats;
lesson.SubjectId = model.SubjectId;
this.dbContext.Lessons.Update(lesson);
await this.dbContext.SaveChangesAsync();
return(true);
}
