public async Task UpdateSeminarAsync(SeminarViewModel model)
{
await UpdateAsync(model.Seminar);
var seminarDays = await _context.SeminarDays.ToListAsync();
model.CheckList.ForEach(async item =>
{
var existingEntry = seminarDays
.FirstOrDefault(x => x.SeminarId == model.Seminar.SeminarId && x.DayId == item.Id);
if (!item.IsSelected && existingEntry != null)
{
await RemoveAsync(existingEntry);
}
if (item.IsSelected && existingEntry == null)
{
SeminarDay ds = new SeminarDay()
{
SeminarId = model.Seminar.SeminarId,
DayId = item.Id
};
_context.Add(ds);
}
});
await _context.SaveChangesAsync();
}
public async Task AddSeminarAsync(SeminarViewModel model)
{
await AddAsync(model.Seminar);
foreach (var item in model.CheckList)
{
if (item.IsSelected)
{
SeminarDay sd = new SeminarDay()
{
SeminarId = model.Seminar.SeminarId,
DayId = item.Id
};
_context.Add(sd);
}
}
await _context.SaveChangesAsync();
}
