public void CreateLesson(ILessonDto lesson)
{
if (lesson == null)
{
throw new ArgumentNullException("lesson");
}
_context.Lessons.Add((LessonDto)lesson);
_context.SaveChanges();
}
public void UpdateLesson(ILessonDto lesson)
{
if (lesson == null)
{
throw new ArgumentNullException("lesson");
}
LessonDto oldLesson = _context.Lessons.Single(l => l.LessonId == lesson.LessonId);
oldLesson.Date = lesson.Date;
oldLesson.GroupId = lesson.GroupId;
_context.SaveChanges();
}
private Lesson Map(ILessonDto lesson)
{
return new Lesson
{
LessonId = lesson.LessonId,
Date = lesson.Date,
Group = new Group
{
GroupId = lesson.GroupId,
GroupNumber = lesson.Group.GroupNumber,
Year = lesson.Group.Year
}
};
}