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from django.contrib import admin 

from django.db.models import Q 

 

from common.models import Review, FandomFanfic 

 

 

@admin.register(Review) 

class ReviewAdmin(admin.ModelAdmin): 

list_display = ('id', 'user', 'fanfic', 'score', 'date', 

'text') 

list_filter = ('user', 'fanfic') 

 

search_fields = ('user__username', 'text') 

 

def has_add_permission(self, request, obj=None): 

return False 

 

def has_change_permission(self, request, obj=None): 

return False 

 

def get_search_results(self, request, queryset, search_term): 

""" When searching of filtering""" 

queryset, use_distinct = super(ReviewAdmin, 

self).get_search_results(request, 

queryset, 

search_term) 

if search_term: 

# The user has searched something 

filter_by_fanfic = False 

reviews = None 

if "fanfic__id__exact" in request.GET: 

# filter by fanfic 

fanfic_id_filter = request.GET.get("fanfic__id__exact") 

if fanfic_id_filter: 

filter_by_fanfic = True 

reviews = Review.objects.filter( 

fanfic__id=fanfic_id_filter) 

 

if "user__id__exact" in request.GET: 

# filter by user 

user_id_filter = request.GET.get("user__id__exact") 

if user_id_filter: 

if reviews: 

reviews = reviews.filter(user__id=user_id_filter) 

else: 

reviews = Review.objects.filter( 

user__id=user_id_filter) 

 

if filter_by_fanfic is False: 

fanfics = FandomFanfic.objects.filter( 

Q(fanfic__name__icontains=search_term) | Q( 

fandom__name__icontains=search_term)).values_list( 

'fanfic__id', flat=True) 

 

if reviews: 

reviews = reviews.filter(fanfic__id__in=fanfics) 

else: 

reviews = Review.objects.filter(fanfic__id__in=fanfics) 

queryset = queryset | reviews 

queryset = queryset.distinct() 

 

return queryset, use_distinct