DRF multi fields base match filter queryset

• I'm creating a search functionality where we can search based of first_name, last_name, username.it should filter all matches( if at least anyone fields match it should consider ) users except login users.

• this is what I have done but I'm searching for an efficient Django queryset.

  if search_name is not None and len(search_name) >= 3:
  
                  search_obj_1 = User.objects.filter(first_name__iexact=search_name).exists()
                  search_obj_2 = User.objects.filter(last_name__iexact=search_name).exists()
  
                  if search_obj_1:
                      search_obj_1 = User.objects.filter(Q(first_name__iexact=search_name)) &User.objects.filter(~Q(id=logged_user_id))
                      search_obj_2 = User.objects.filter(Q(last_name__iexact=search_name)) & User.objects.filter(~Q(id=logged_user_id))
                      search_obj_3 = []
                      search_obj = list(chain(search_obj_1, search_obj_2, search_obj_3))
  
                  elif search_obj_2:
                      search_obj_1 = []
                      search_obj_2 = User.objects.filter(
                          Q(last_name__iexact=search_name)) & User.objects.filter(~Q(id=logged_user_id))
                      search_obj_3 = User.objects.filter(
                          Q(username__iexact=search_name)) & User.objects.filter(~Q(id=logged_user_id))
                      search_obj = list(
                          chain(search_obj_2, search_obj_3, search_obj_1))
  
                  else:
                      search_obj_1 = []
                      search_obj_2 = []
                      search_obj_3 = User.objects.filter(
                          Q(username__iexact=search_name)) & User.objects.filter(~Q(id=logged_user_id))
                      search_obj = list(
                          chain(search_obj_3, search_obj_1, search_obj_2))
  

• so is there any better way do the same thing.

You can try something like this (using the union operator |) :

search_obj = User.objects.exclude(id=logged_user_id).filter(
    Q(first_name__iexact=search_name)
    | Q(last_name__iexact=search_name)
    | Q(username__iexact=search_name)
)