public async Task <IActionResult> ByGroup(
int cid, AddTeamByGroupModel model,
[FromServices] IStudentStore store)
{
var cls = await store.FindClassAsync(model.GroupId);
if (cls == null)
{
return(NotFound());
}
var affs = await Store.ListAffiliationAsync(cid, false);
var cats = await Store.ListCategoryAsync(cid);
var aff = affs.SingleOrDefault(a => a.AffiliationId == model.AffiliationId);
var cat = cats.SingleOrDefault(c => c.CategoryId == model.CategoryId);
if (aff == null || cat == null)
{
return(NotFound());
}
var stus = await store.ListStudentsAsync(cls);
var stu = stus.ToLookup(s => new { s.Id, s.Name });
var uids = await Store.ListMemberUidsAsync(cid);
foreach (var item in stu)
{
var lst = item.Where(s => s.IsVerified ?? false);
if (model.AddNonTemporaryUser)
{
lst = lst.Where(s => s.Email == null);
}
var users = lst.Select(s => s.UserId.Value)
.Where(i => !uids.Contains(i))
.ToHashSet();
await Store.CreateAsync(
uids : users.Count > 0?users.ToArray() : null,
team : new Team
{
AffiliationId = model.AffiliationId,
Status = 1,
CategoryId = model.CategoryId,
ContestId = Contest.ContestId,
TeamName = $"{item.Key.Id}{item.Key.Name}",
});
}
StatusMessage = "Import success.";
return(RedirectToAction(nameof(List)));
}
