public virtual void Remove(IEnumerable <T> t)
{
_context.RemoveRange(t);
}
//[Authorize]// [FromBody] ICollection<Thema> array
public async Task <ActionResult <List <Thema> > > SaveAllThemes([FromBody] IEnumerable <Thema> themes)
{
// Проверить наличие таких же тем, если нету то сохранить
string username = null;
string teacherId = "teacher2";
var dbThemes = _context.Themes.AsTracking();
var dbQuestions = _context.Questions.AsTracking();
foreach (Thema thema in themes)
{
var checkThema = await dbThemes.FirstOrDefaultAsync(a => a.Id.Equals(thema.Id));
if (checkThema == null)
{
_context.Themes.Add(thema);
}
else
{
checkThema.Name = thema.Name;
checkThema.Description = thema.Description;
_context.Themes.Update(checkThema);
}
var nowQuestions = await dbQuestions.Where(a => a.ThemaId.Equals(thema.Id)).AsTracking().ToListAsync();
if (thema.Questions != null)
{
foreach (Question question in thema.Questions)
{
var findTestThema = nowQuestions.FirstOrDefault(a => a.Id.Equals(question.Id));
if (findTestThema == null)
{
_context.Add(question);
}
else
{
_context.Update(question);
nowQuestions.Remove(findTestThema);
}
}
//Remove elements
_context.RemoveRange(nowQuestions);
}
thema.TeacherUserId = teacherId;
var findTest = dbThemes.FirstOrDefault(a => a.Id.Equals(thema.Id));
Console.WriteLine($"Find test {findTest}");
if (findTest == null)
{
_context.Themes.Add(thema);
}
else
{
_context.Themes.Update(thema);
}
}
_context.SaveChanges();
return(Ok(themes));
}
