new

backend/shop/admin.py

@@ -2,9 +2,10 @@ from django.contrib import admin
 from django.utils.html import format_html
 from django.db.models import Sum
 from django import forms
+from django.urls import path, reverse
+from django.shortcuts import redirect
 from unfold.admin import ModelAdmin, TabularInline
 from unfold.decorators import display
-from adminsortable2.admin import SortableAdminMixin
 from .models import ESP32Config, Order, Salesperson, WeChatPayConfig, Service, VCCourse, ProductFeature, CommissionLog, WeChatUser, Distributor, Withdrawal, ServiceOrder, CourseEnrollment
 import qrcode
 from io import BytesIO
@@ -15,6 +16,64 @@ admin.site.site_header = "量迹AI科技硬件/服务商场后台"
 admin.site.site_title = "量迹AI后台"
 admin.site.index_title = "欢迎使用量迹AI管理系统"
 
+class OrderableAdminMixin:
+    """
+    为 Admin 添加排序功能的 Mixin
+    提供上移、下移按钮，直接交换 order 值
+    """
+    def get_urls(self):
+        urls = super().get_urls()
+        custom_urls = [
+            path('<path:object_id>/move-up/', self.admin_site.admin_view(self.move_up_view), name=f'{self.model._meta.app_label}_{self.model._meta.model_name}_move_up'),
+            path('<path:object_id>/move-down/', self.admin_site.admin_view(self.move_down_view), name=f'{self.model._meta.app_label}_{self.model._meta.model_name}_move_down'),
+        ]
+        return custom_urls + urls
+
+    def move_up_view(self, request, object_id):
+        obj = self.get_object(request, object_id)
+        if obj:
+            # 找到排在它前面的一个 (order 小于它的最大值)
+            prev_obj = self.model.objects.filter(order__lt=obj.order).order_by('-order').first()
+            if prev_obj:
+                # 交换
+                obj.order, prev_obj.order = prev_obj.order, obj.order
+                obj.save()
+                prev_obj.save()
+                self.message_user(request, f"成功将 {obj} 上移")
+            else:
+                # 已经是第一个，或者前面没有更小的 order
+                # 尝试查找 order 等于它的其他对象（理论上不应发生，但为了稳健）
+                pass
+        return redirect(request.META.get('HTTP_REFERER', '..'))
+
+    def move_down_view(self, request, object_id):
+        obj = self.get_object(request, object_id)
+        if obj:
+            # 找到排在它后面的一个 (order 大于它的最小值)
+            next_obj = self.model.objects.filter(order__gt=obj.order).order_by('order').first()
+            if next_obj:
+                # 交换
+                obj.order, next_obj.order = next_obj.order, obj.order
+                obj.save()
+                next_obj.save()
+                self.message_user(request, f"成功将 {obj} 下移")
+        return redirect(request.META.get('HTTP_REFERER', '..'))
+
+    def order_actions(self, obj):
+        return format_html(
+            '<div style="display: flex; align-items: center; gap: 8px;">'
+            '<a href="{}" class="button" style="padding: 4px 8px; background-color: #f3f4f6; border-radius: 4px; text-decoration: none; color: #374151; font-size: 12px; border: 1px solid #d1d5db; transition: all 0.2s;" onmouseover="this.style.backgroundColor=\'#e5e7eb\'" onmouseout="this.style.backgroundColor=\'#f3f4f6\'" title="上移">⬆️ 上移</a>'
+            '<span style="font-weight: bold; font-family: monospace; min-width: 24px; text-align: center; color: #4b5563;">{}</span>'
+            '<a href="{}" class="button" style="padding: 4px 8px; background-color: #f3f4f6; border-radius: 4px; text-decoration: none; color: #374151; font-size: 12px; border: 1px solid #d1d5db; transition: all 0.2s;" onmouseover="this.style.backgroundColor=\'#e5e7eb\'" onmouseout="this.style.backgroundColor=\'#f3f4f6\'" title="下移">⬇️ 下移</a>'
+            '</div>',
+            reverse(f'admin:{self.model._meta.app_label}_{self.model._meta.model_name}_move_up', args=[obj.pk]),
+            obj.order,
+            reverse(f'admin:{self.model._meta.app_label}_{self.model._meta.model_name}_move_down', args=[obj.pk]),
+        )
+    order_actions.short_description = "排序调节"
+    order_actions.allow_tags = True
+
+
 class ExternalUploadWidget(forms.URLInput):
     def __init__(self, upload_url, accept='*', *args, **kwargs):
         super().__init__(*args, **kwargs)
@@ -84,10 +143,9 @@ class WeChatPayConfigAdmin(ModelAdmin):
     )
 
 @admin.register(ESP32Config)
-class ESP32ConfigAdmin(ModelAdmin):
+class ESP32ConfigAdmin(OrderableAdminMixin, ModelAdmin):
     form = ESP32ConfigAdminForm
-    list_display = ('name', 'chip_type', 'price', 'stock', 'has_camera', 'has_microphone', 'order')
-    list_editable = ('order',)
+    list_display = ('name', 'chip_type', 'price', 'stock', 'has_camera', 'has_microphone', 'order_actions')
     list_filter = ('chip_type', 'has_camera')
     search_fields = ('name', 'description')
     inlines = [ProductFeatureInline]
@@ -109,9 +167,8 @@ class ESP32ConfigAdmin(ModelAdmin):
     )
 
 @admin.register(Service)
-class ServiceAdmin(ModelAdmin):
-    list_display = ('title', 'created_at', 'order')
-    list_editable = ('order',)
+class ServiceAdmin(OrderableAdminMixin, ModelAdmin):
+    list_display = ('title', 'created_at', 'order_actions')
     search_fields = ('title', 'description')
     fieldsets = (
         ('基本信息', {
@@ -153,9 +210,8 @@ class ServiceOrderAdmin(ModelAdmin):
     )
 
 @admin.register(VCCourse)
-class VCCourseAdmin(ModelAdmin):
-    list_display = ('title', 'course_type', 'price', 'tag', 'instructor', 'lesson_count', 'duration', 'created_at', 'order')
-    list_editable = ('order',)
+class VCCourseAdmin(OrderableAdminMixin, ModelAdmin):
+    list_display = ('title', 'course_type', 'price', 'tag', 'instructor', 'lesson_count', 'duration', 'created_at', 'order_actions')
     search_fields = ('title', 'description', 'instructor', 'tag')
     list_filter = ('course_type', 'instructor', 'tag')
     fieldsets = (