public List <LessonViewModel> Read(LessonBindingModel model)
{
if (model == null)
{
return(_lessonStorage.GetFullList());
}
if (model.Id.HasValue)
{
return(new List <LessonViewModel> {
_lessonStorage.GetElement(model)
});
}
return(_lessonStorage.GetFilteredList(model));
}
public List <LessonViewModel> GetFilteredList(LessonBindingModel model)
{
if (model == null)
{
return(null);
}
using (var context = new SchoolDataBase())
{
return(context.Lessons
.Include(rec => rec.Employee)
.ThenInclude(rec => rec.User)
.Where(rec => rec.LessonName.Contains(model.LessonName))
.Select(CreateViewModel)
.ToList());
}
}
public LessonViewModel GetElement(LessonBindingModel model)
{
if (model == null)
{
return(null);
}
using (var context = new SchoolDataBase())
{
var lesson = context.Lessons
.Include(rec => rec.Employee)
.ThenInclude(rec => rec.User)
.FirstOrDefault(rec => rec.LessonName == model.LessonName ||
rec.Id == model.Id);
return(lesson != null?CreateViewModel(lesson) : null);
}
}