Disabled result count on admin pages for models with a large number of rows (#783)

ecommerce/core/admin.py

@@ -5,11 +5,13 @@ from django.utils.translation import ugettext_lazy as _
 from ecommerce.core.models import BusinessClient, SiteConfiguration, User
 
 
+@admin.register(SiteConfiguration)
 class SiteConfigurationAdmin(admin.ModelAdmin):
     list_display = ('site', 'partner', 'lms_url_root', 'theme_scss_path', 'payment_processors')
     search_fields = ['site__name']
 
 
+@admin.register(User)
 class EcommerceUserAdmin(UserAdmin):
     list_display = ('username', 'email', 'full_name', 'first_name', 'last_name', 'is_staff')
     fieldsets = (
@@ -19,11 +21,9 @@ class EcommerceUserAdmin(UserAdmin):
                                        'groups', 'user_permissions')}),
         (_('Important dates'), {'fields': ('last_login', 'date_joined')}),
     )
+    show_full_result_count = False
 
 
 @admin.register(BusinessClient)
 class BusinessClientAdmin(admin.ModelAdmin):
     pass
-
-admin.site.register(SiteConfiguration, SiteConfigurationAdmin)
-admin.site.register(User, EcommerceUserAdmin)

ecommerce/extensions/basket/admin.py

@@ -3,6 +3,8 @@ from oscar.apps.basket.admin import *  # noqa pylint: disable=wildcard-import,un
 Basket = get_model('basket', 'basket')
 PaymentProcessorResponse = get_model('payment', 'PaymentProcessorResponse')
 
+admin.site.unregister((Basket, Line,))
+
 
 class PaymentProcessorResponseInline(admin.TabularInline):
     model = PaymentProcessorResponse
@@ -15,9 +17,12 @@ class PaymentProcessorResponseInline(admin.TabularInline):
         return False
 
 
+@admin.register(Basket)
 class BasketAdminExtended(BasketAdmin):
     inlines = (LineInline, PaymentProcessorResponseInline,)
+    show_full_result_count = False
 
 
-admin.site.unregister(Basket)
-admin.site.register(Basket, BasketAdminExtended)
+@admin.register(Line)
+class LineAdminExtended(LineAdmin):
+    show_full_result_count = False

ecommerce/extensions/catalogue/admin.py

 from oscar.apps.catalogue.admin import *  # pylint: disable=unused-import,wildcard-import,unused-wildcard-import
 from simple_history.admin import SimpleHistoryAdmin
 
+admin.site.unregister((Product, ProductAttributeValue,))
 
+
+@admin.register(Product)
 class ProductAdminExtended(SimpleHistoryAdmin):
     list_display = ('get_title', 'upc', 'get_product_class', 'structure', 'attribute_summary', 'date_created', 'course',
                     'expires',)
     prepopulated_fields = {"slug": ("title",)}
     inlines = [AttributeInline, CategoryInline, ProductRecommendationInline]
+    show_full_result_count = False
 
 
-admin.site.unregister(Product)
-admin.site.register(Product, ProductAdminExtended)
-
-
+@admin.register(ProductAttributeValue)
 class ProductAttributeValueAdminExtended(SimpleHistoryAdmin):
     list_display = ('product', 'attribute', 'value')
-
-
-admin.site.unregister(ProductAttributeValue)
-admin.site.register(ProductAttributeValue, ProductAttributeValueAdminExtended)
+    show_full_result_count = False

ecommerce/extensions/order/admin.py

 from oscar.apps.order.admin import *  # noqa pylint: disable=wildcard-import,unused-wildcard-import
 
-Order = get_model('order', 'Order')
+admin.site.unregister((Order, Line, LinePrice, PaymentEvent, OrderDiscount,))
 
 
+@admin.register(Order)
 class OrderAdminExtended(OrderAdmin):
     readonly_fields = ('basket',) + OrderAdmin.readonly_fields
+    show_full_result_count = False
 
 
-admin.site.unregister(Order)
-admin.site.register(Order, OrderAdminExtended)
+@admin.register(Line)
+class LineAdminExtended(LineAdmin):
+    show_full_result_count = False
+
+
+@admin.register(LinePrice)
+class LinePriceAdminExtended(LinePriceAdmin):
+    show_full_result_count = False
+
+
+@admin.register(PaymentEvent)
+class PaymentEventAdminExtended(PaymentEventAdmin):
+    show_full_result_count = False
+
+
+@admin.register(OrderDiscount)
+class OrderDiscountAdminExtended(OrderDiscountAdmin):
+    show_full_result_count = False

ecommerce/extensions/payment/admin.py

 from pprint import pformat
 
-from django.contrib import admin
 from django.utils.html import format_html
+from oscar.apps.payment.admin import *  # noqa pylint: disable=wildcard-import,unused-wildcard-import,wrong-import-position
 from oscar.core.loading import get_model
 
 PaymentProcessorResponse = get_model('payment', 'PaymentProcessorResponse')
 
 
+@admin.register(PaymentProcessorResponse)
 class PaymentProcessorResponseAdmin(admin.ModelAdmin):
     list_filter = ('processor_name',)
     search_fields = ('id', 'processor_name', 'transaction_id',)
     list_display = ('id', 'processor_name', 'transaction_id', 'basket', 'created')
     fields = ('processor_name', 'transaction_id', 'basket', 'formatted_response')
     readonly_fields = ('processor_name', 'transaction_id', 'basket', 'formatted_response')
+    show_full_result_count = False
 
     def formatted_response(self, obj):
         pretty_response = pformat(obj.response)
@@ -21,9 +23,3 @@ class PaymentProcessorResponseAdmin(admin.ModelAdmin):
         return format_html('<br><br><pre>{}</pre>', pretty_response)
 
     formatted_response.allow_tags = True
-
-
-admin.site.register(PaymentProcessorResponse, PaymentProcessorResponseAdmin)
-
-# noinspection PyUnresolvedReferences
-from oscar.apps.payment.admin import *  # noqa pylint: disable=wildcard-import,unused-wildcard-import,wrong-import-position

ecommerce/extensions/refund/admin.py

 from django.contrib import admin
 from oscar.core.loading import get_model
 
-
 Refund = get_model('refund', 'Refund')
 RefundLine = get_model('refund', 'RefundLine')
 
@@ -13,13 +12,12 @@ class RefundLineInline(admin.TabularInline):
     extra = 0
 
 
+@admin.register(Refund)
 class RefundAdmin(admin.ModelAdmin):
     list_display = ('id', 'order', 'user', 'status', 'total_credit_excl_tax', 'currency')
     list_filter = ('status',)
+    show_full_result_count = False
 
     fields = ('order', 'user', 'status', 'total_credit_excl_tax', 'currency')
     readonly_fields = ('order', 'user', 'total_credit_excl_tax', 'currency')
     inlines = (RefundLineInline,)
-
-
-admin.site.register(Refund, RefundAdmin)