在管理中列出过滤器和搜索结果 [英] List filter and search results in the admin

问题描述

在我覆盖 get_search_results 方法之后， list_filter 不起作用，但搜索字段的工作原理与我预期的相同。 / p>

  class NaruceniProduktiAdmin（admin.ModelAdmin）：
 search_fields =（'broj_narudbe'，）
 list_filter =（ 'date'，'status'，）
 list_display =（
'naziv_produkta'，'datum'，'narudba_broj'，'boja'，'velicina'，'cijena'，'kolicina'，
'ukupna_cijena'，'korisnik_link'，'status'，'source_link'，
）
 actions = [dostupan，nedostupan，email_dostupan，placen，posalji_racun，poslan，isporucen，storniran，posalji_storno，] 
 
 def get_search_results（self，request，queryset，search_term）：
 queryset，use_distinct = super（NaruceniProduktiAdmin，self）.get_search_results（request，queryset，search_term）
 
尝试：
 search_term_as_int = int（search_term）
除了值错误：
 search_term_as_int = search_term.strip（）
 queryset | = self.model.objects.filter（korisnik__ime__icontains = search_term_as_int）
 
如果不是queryset：
 queryset | = self.model.objects.filter（korisnik__prezime__icontains = search_term_as_int）
 else：
 queryset = self.model.objects.filter（broj_narudbe = search_term_as_int）
 
 return queryset，use_distinct 
  

如果我删除 get_search_results ，那么 list_filter 按预期工作。我想保留它，因为我希望搜索字段能够正常工作，但我也希望列表过滤正常工作。

有没有办法我可以一起使用这两者吗？是否有一个影响另一个的原因？

解决方案

Changelist视图首先进行过滤，然后将过滤的查询作为参数添加到您的 get_search_results 函数。要使其正常工作，您应该使用 queryset 参数而不是 self.model.objects 。

  def get_search_results（self，request，queryset，search_term）：
 new_queryset，use_distinct = super（NaruceniProduktiAdmin，self）.get_search_results（request，queryset ，search_term）
 
 try：
 search_term_as_int = int（search_term）
除了ValueError：
 search_term_as_int = search_term.strip（）
 new_queryset | = queryset。过滤器（korisnik__ime__icontains = search_term_as_int）
 
如果不是new_queryset：
 new_queryset | = queryset.filter（korisnik__prezime__icontains = search_term_as_int）
 else：
 new_queryset = queryset.filter（broj_narudbe = search_term_as_int）
 
返回new_queryset，use_distinct 
  

After I override the get_search_results method, list_filter is not working but the search field works as I expect.

class NaruceniProduktiAdmin(admin.ModelAdmin):
    search_fields = ('broj_narudbe', )
    list_filter = ('date', 'status', )
    list_display = (
        'naziv_produkta', 'datum', 'narudba_broj', 'boja', 'velicina', 'cijena', 'kolicina',
        'ukupna_cijena','korisnik_link','status','source_link',
    )
    actions = [dostupan, nedostupan, email_dostupan, placen, posalji_racun, poslan, isporucen, storniran, posalji_storno, ]

    def get_search_results(self, request, queryset, search_term):
        queryset, use_distinct = super(NaruceniProduktiAdmin, self).get_search_results(request, queryset, search_term)

        try:
            search_term_as_int = int(search_term)
        except ValueError:
            search_term_as_int=search_term.strip()
            queryset |= self.model.objects.filter(korisnik__ime__icontains=search_term_as_int)

            if not queryset:
                queryset |= self.model.objects.filter(korisnik__prezime__icontains=search_term_as_int)
        else:
            queryset = self.model.objects.filter(broj_narudbe=search_term_as_int)

        return queryset, use_distinct

If I remove get_search_results, then list_filter works as expected. I want to keep it because I want the search fields to work how I expect, but I also want the list filtering to work as it normally does.

Is there a way that I can use both of these together? And is there a reason why one influences the other?

解决方案

Changelist view first makes filtering, then it gives filtered queryset as parameter to your get_search_results function. To make it work properly you should use queryset argument instead of self.model.objects.

def get_search_results(self, request, queryset, search_term):
    new_queryset, use_distinct = super(NaruceniProduktiAdmin, self).get_search_results(request, queryset, search_term)

    try:
        search_term_as_int = int(search_term)
    except ValueError:
        search_term_as_int=search_term.strip()
        new_queryset |= queryset.filter(korisnik__ime__icontains=search_term_as_int)

        if not new_queryset:
            new_queryset |= queryset.filter(korisnik__prezime__icontains=search_term_as_int)
    else:
        new_queryset = queryset.filter(broj_narudbe=search_term_as_int)

    return new_queryset, use_distinct

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