| from django.contrib import admin |
| from .models import Order, OrderItem |
|
|
| class OrderItemInline(admin.TabularInline): |
| model = OrderItem |
| extra = 0 |
| readonly_fields = ('product', 'quantity', 'price', 'get_total_price') |
| fields = ('product', 'quantity', 'price', 'get_total_price') |
| |
| def get_total_price(self, obj): |
| if obj.pk: |
| return f"${obj.price * obj.quantity:.2f}" |
| return "-" |
| get_total_price.short_description = "Total" |
|
|
| @admin.register(Order) |
| class OrderAdmin(admin.ModelAdmin): |
| list_display = ('order_number', 'user', 'status', 'payment_status', 'total_amount', 'created_at') |
| list_filter = ('status', 'payment_status', 'created_at', 'updated_at') |
| search_fields = ('order_number', 'user__username', 'user__email', 'user__first_name', 'user__last_name') |
| readonly_fields = ('order_number', 'total_amount', 'created_at', 'updated_at', 'get_items_count') |
| inlines = [OrderItemInline] |
| list_per_page = 25 |
| date_hierarchy = 'created_at' |
| |
| fieldsets = ( |
| ('Order Information', { |
| 'fields': ('order_number', 'user', 'get_items_count', 'total_amount'), |
| 'classes': ('wide',) |
| }), |
| ('Status & Payment', { |
| 'fields': ('status', 'payment_method', 'payment_status'), |
| 'classes': ('wide',) |
| }), |
| ('Shipping Information', { |
| 'fields': ('shipping_address',), |
| 'classes': ('collapse',) |
| }), |
| ('Timestamps', { |
| 'fields': ('created_at', 'updated_at'), |
| 'classes': ('collapse',) |
| }), |
| ) |
| |
| def get_items_count(self, obj): |
| return obj.items.count() |
| get_items_count.short_description = "Number of Items" |
| |
| def get_queryset(self, request): |
| """Optimize queries by prefetching related objects""" |
| return super().get_queryset(request).select_related('user').prefetch_related('items') |
| |
| actions = ['mark_as_confirmed', 'mark_as_shipped', 'mark_as_delivered'] |
| |
| def mark_as_confirmed(self, request, queryset): |
| updated = queryset.update(status='confirmed') |
| self.message_user(request, f'{updated} orders marked as confirmed.') |
| mark_as_confirmed.short_description = "Mark selected orders as confirmed" |
| |
| def mark_as_shipped(self, request, queryset): |
| updated = queryset.update(status='shipped') |
| self.message_user(request, f'{updated} orders marked as shipped.') |
| mark_as_shipped.short_description = "Mark selected orders as shipped" |
| |
| def mark_as_delivered(self, request, queryset): |
| updated = queryset.update(status='delivered') |
| self.message_user(request, f'{updated} orders marked as delivered.') |
| mark_as_delivered.short_description = "Mark selected orders as delivered" |
| |
| |
| def has_add_permission(self, request): |
| return False |
|
|
| |
| def has_delete_permission(self, request, obj=None): |
| return False |
