old_contents: from django.contrib import admin
  
  from .models import Entry, Repository
  
  
  @admin.register(Repository)
  class RepositoryAdmin(admin.ModelAdmin):
      search_fields = ['name']
      ordering = ['name']
      list_display = (
          'name', 'url'
      )
  
  
  @admin.register(Entry)
  class EntryAdmin(admin.ModelAdmin):
      search_fields = ['identifier', 'repository']
      list_display = (
          'identifier', 'description', 'url'
      )
  
new_contents: from django.contrib import admin
  
  from .models import Entry, Repository
  
  
  @admin.register(Repository)
  class RepositoryAdmin(admin.ModelAdmin):
      search_fields = ['name']
      ordering = ['name']
      list_display = (
          'name', 'url'
      )
  
  
  @admin.register(Entry)
  class EntryAdmin(admin.ModelAdmin):
      search_fields = ['identifier', ]
      list_display = (
          'identifier', 'description', 'url'
      )
      list_filter = ('repository', )
  
subject: Improve Entry objects admin