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              - from TimeConvert import TimeConvert as tc
 - from group.models import GroupInfo, GroupUserInfo
 - def is_group_admin(group_id, admin_id):
 -     return GroupUserInfo.objects.filter(group_id=group_id, user_id=admin_id, admin=True, admin_status=True, status=True).exists()
 - def is_group_subadmin(group_id, admin_id):
 -     return GroupUserInfo.objects.filter(group_id=group_id, user_id=admin_id, subadmin=True, admin_status=True, status=True).exists()
 - def have_active_group(user_id):
 -     groups = GroupUserInfo.objects.filter(user_id=user_id, subadmin=True, admin_status=True, status=True)
 -     groupids = [group.group_id for group in groups]
 -     return GroupInfo.objects.filter(group_id__in=groupids, group_closed=False, status=True, ended_at__gt=tc.utc_datetime()).exists()
 
 
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