날로 먹는 Django admin 활용
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The document outlines a Django application framework that includes models for user profiles, products, images, and orders. It provides the structure for managing product and order data, including fields for tracking status and prices, and includes admin configurations to manage data displays. Additionally, it integrates user management features, allowing for custom administrative user displays and filters based on order counts and costs.
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def queryset(self, request, queryset):
value = self.value()
if not value:
return queryset
try:
l1, l2 = value.split('--')
except ValueError:
l1, l2 = value, None
lookups = {}
for l in (l1, l2):
if not l:
continue
try:
lookup_keyword, amount = l.split('-')
lookups[f'cost__{lookup_keyword}'] = int(amount)
except ValueError:
continue
#](https://image.slidesharecdn.com/djangoadmin-171106100626/85/Django-admin-60-320.jpg)
날로 먹는 Django admin 활용
- 2. • 차경묵 (한날) • 프리랜서 개발자 • 날로 먹는 Django 웹 프로그래밍 (2008) • 날로 먹는 Django 웹 프레임워크 (2014) • http://blog.hannal.com
- 10. Profile class Profile(models.Model): registration_routes = ( ('direct', _(' '), ), ('guestbook', _(' '), ), ('cocoa', _(' '), ), ('goggle', _(' '), ), ('navar', _(' '), ), ) user = models.OneToOneField(settings.AUTH_USER_MODEL) registration_route = models.CharField(_(' '), max_length=40, choices=registration_routes, default='direct')
- 11. Product class Product(models.Model): statuses = ( ('active', _(' '), ), ('sold_out', _(' '), ), ('obsolete', _(' '), ), ('deactive', _(' '), ), ) categories = ( ('decoration', _(' '), ), ('pan', _(' '), ), ('roll', _(' '), ), ) category = models.CharField(_(' '), max_length=20, choices=categories) name = models.CharField(_(' '), max_length=100) content = models.TextField(_(' ')) regular_price = models.PositiveIntegerField(_(' ')) selling_price = models.PositiveIntegerField(_(' ')) status = models.CharField(_(' '), max_length=20, choices=statuses) created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True)
- 12. ProductImage class ProductImage(models.Model): product = models.ForeignKey(Product) content = models.ImageField() created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True)
- 13. Order from uuid import uuid4 class Order(models.Model): progresses = ( ('requested', _(' '), ), ('checkout_payment', _(' '), ), ('paid', _(' '), ), ('failed_payment', _(' '), ), ('prepared_product', _(' '), ), ('prepared_delivery', _(' '), ), ('ongoing_delivery', _(' '), ), ('done', _(' '), ), ) sn = models.UUIDField(_(' '), unique=True, editable=False, default=uuid4) user = models.ForeignKey(settings.AUTH_USER_MODEL, null=True, blank=True) items = models.ManyToManyField(Product) product_cost = models.IntegerField(_(' ')) progress = models.CharField(_(' '), max_length=20, choices=progresses, default='requested') comment = models.TextField(_(' '), null=True, blank=True) created_at = models.DateTimeField(auto_now_add=True) updated_at = models.DateTimeField(auto_now=True)
- 15. from django.contrib import admin from . import models admin.site.register(models.Product)
- 21. __str__() __str__() __str__() class Product(models.Model): # def __str__(self): return f'<{self.pk}> {self.name}'
- 24. list_display @admin.register(models.Product) class ProductAdmin(admin.ModelAdmin): list_display = ( 'pk', 'name', 'category', 'regular_price', 'selling_price', 'status', 'created_at', 'updated_at', ) admin.site.register(models.Product, ProductAdmin)
- 27. list_display_links @admin.register(models.Product) class ProductAdmin(admin.ModelAdmin): # list_display_links = ( 'pk', 'name', 'category', 'regular_price', 'selling_price', 'status', 'created_at', 'updated_at', )
- 30. ProductImage
- 31. ForeignKey TabularInline StackedInline inlines class ProductImageInline(admin.TabularInline): model = models.ProductImage @admin.register(models.Product) class ProductAdmin(admin.ModelAdmin): # inlines = (ProductImageInline, )
- 34. extra max_num min_num class ProductImageInline(admin.TabularInline): model = models.ProductImage extra = 2 max_num = 4 min_num = 1
- 37. list_filter search_fields date_hierarchy @admin.register(models.Product) class ProductAdmin(admin.ModelAdmin): # list_filter = ('category', 'status', ) search_fields = ('name', 'selling_price', ) date_hierarchy = 'updated_at'
- 40. short_description from django.utils.translation import ugettext as _ from django.utils.safestring import mark_safe @admin.register(models.Product) class ProductAdmin(admin.ModelAdmin): list_display = ( 'get_title_image', 'pk', 'name', 'category', 'regular_price', 'selling_price', 'status', 'created_at', 'updated_at', ) list_display_links = ( 'get_title_image', 'pk', 'name', 'category', 'regular_price', 'selling_price', 'status', 'created_at', 'updated_at', ) # def get_title_image(self, obj): image = obj.productimage_set.order_by('pk').first() if not image: return '' return mark_safe(f'<img src="{image.content.url}" style="width: 50px;">') get_title_image.short_description = _(' ')
- 44. ForeignKey
- 45. fields readonly_fields @admin.register(models.Order) class OrderAdmin(admin.ModelAdmin): # readonly_fields = ('user', 'product_cost', 'comment', )
- 48. User User from django.contrib.auth.models import User admin.site.unregister(User) from django.contrib.auth import get_user_model user_model = get_user_model() admin.site.unregister(user_model) User User
- 49. User UserAdmin from django.contrib.auth.admin import UserAdmin @admin.register(user_model) class CustomUserAdmin(UserAdmin): list_display = UserAdmin.list_display + ('get_registration_route', ) def get_registration_route(self, obj): try: return obj.profile.get_registration_route_display() except models.Profile.DoesNotExist: return '?' get_registration_route.short_description = _(' ')
- 51. • User.objects.filter(profile__registration_route='direct') @admin.register(user_model) class CustomUserAdmin(UserAdmin): list_display = UserAdmin.list_display + ('get_registration_route', ) list_filter = UserAdmin.list_filter + ('profile__registration_route', ) def get_registration_route(self, obj): try: return obj.profile.get_registration_route_display() except models.Profile.DoesNotExist: return '?' get_registration_route.short_description = _(' ')
- 54. admin.SimpleListFilter lookups() tuple queryset() QuerySet QuerySet from django.db.models import Count, Case, When, IntegerField class UserOrderCountFilter(admin.SimpleListFilter): title = _(' ') parameter_name = 'order_count' def lookups(self, request, model_admin): return ( ('exact-0', _(' '), ), ('exact-1', _('1 '), ), ('exact-2', _('2 '), ), ('exact-3', _('3 '), ), ('gt-3', _('3 '), ), ) #
- 55. # def queryset(self, request, queryset): value = self.value() if not value: return queryset try: lookup_keyword, count = value.split('-') count = int(count) if count == 0: users = models.Order.objects .filter(progress='done') .values_list('user__id') return queryset.exclude(pk__in=users) else: return queryset .annotate(cnt=Count(Case( When(order__progress='done', then=0), output_field=IntegerField() ))).filter(** {f'cnt__{lookup_keyword}': count}) except Exception: return queryset.none()
- 56. @admin.register(user_model) class CustomUserAdmin(UserAdmin): list_display = UserAdmin.list_display + ( 'get_registration_route', ) list_filter = UserAdmin.list_filter + ( 'profile__registration_route', UserOrderCountFilter, )
- 59. from django.db.models import Sum class SumOrderCostFilter(admin.SimpleListFilter): title = _(' ') parameter_name = 'order_cost' def lookups(self, request, model_admin): return ( ('lt-50000', _('5 '), ), ('gte-50000--lt-100000', _('5 10 '), ), ('gte-100000--lt-200000', _('10 20 '), ), ('gte-200000--lt-500000', _('20 50 '), ), ('gte-500000', _('50 '), ), )
- 60. # def queryset(self, request, queryset): value = self.value() if not value: return queryset try: l1, l2 = value.split('--') except ValueError: l1, l2 = value, None lookups = {} for l in (l1, l2): if not l: continue try: lookup_keyword, amount = l.split('-') lookups[f'cost__{lookup_keyword}'] = int(amount) except ValueError: continue #
- 61. def queryset(self, request, queryset): # # if not lookups: return queryset.none() try: return queryset.filter(order__progress='done') .annotate(cost=Sum('order__product_cost')) .filter(**lookups) except Exception: return queryset.none()
- 62. @admin.register(user_model) class CustomUserAdmin(UserAdmin): list_display = UserAdmin.list_display + ( 'get_registration_route', ) list_filter = ( 'profile__registration_route', UserOrderCountFilter, SumOrderCostFilter, )
- 65. actions queryset from django.contrib import messages def change_progress_to_ongoing_delivery(modeladmin, request, queryset): queryset.update(progress='ongoing_delivery') messages.success(request, _(' .')) change_progress_to_ongoing_delivery.short_description = _(' ') @admin.register(models.Order) class OrderAdmin(admin.ModelAdmin): # actions = (change_progress_to_ongoing_delivery, )
- 70. ForeignKey class ProductOrderInline(admin.StackedInline): model = models.Order.items.through min_num = 1 @admin.register(models.Order) class OrderAdmin(admin.ModelAdmin): fields = ('progress', ) inlines = (ProductOrderInline, )
- 72. • https://github.com/crccheck/django- object-actions • pip install django-object-actions settings.py INSTALLED_APPS 'django_object_actions' change_list.html
- 73. from django_object_actions import DjangoObjectActions @admin.register(user_model) class CustomUserAdmin(DjangoObjectActions, UserAdmin): # change_actions = ('make_user_happy', ) def make_user_happy(self, request, obj): messages.info(request, f'{obj} .') # do something make_user_happy.label = _(' ') make_user_happy.short_description = _(' ')
- 75. list_max_show_all @admin.register(user_model) class CustomUserAdmin(DjangoObjectActions, UserAdmin): # list_per_page = 1 list_max_show_all = 1000000