void Create()
{
if (LessonRepository.Lessons.Where(l => l.Name == LessonName).Count() > 0)
{
NotifierVm nvm = new NotifierVm()
{
Message = "Lesson name already exists. Please choose another one.", Buttons = NotifierButtons.Ok, Title = "Invalid Entry!"
};
DialogService.ShowDialog(nvm);
return;
}
if (string.IsNullOrEmpty(LessonName))
{
DialogService.ShowDialog(new NotifierVm("Lesson Name cannot be empty!.", "Invalid Entry!"));
return;
}
if (string.IsNullOrEmpty(LessonText))
{
DialogService.ShowDialog(new NotifierVm("Lesson text cannot be empyt!.", "Invalid Entry"));
return;
}
LessonRepository.AddLesson(new UserLesson()
{
Name = LessonName,
Text = new string(LessonText.Replace("\r", "").Replace("\n", "").Take(300).ToArray()),
OwnerId = StudentRepository.Logged.Id
});
DialogService.ShowDialog(new NotifierVm("Lesson created successfully!.", "Success"));
Close();
}
