unit category added

backend/core/settings/unfold_conf.py

@@ -182,6 +182,12 @@ UNFOLD = {
                 "collapsible": True,  
                 "items": [
 
+                    {
+                        "title": _("دسته بندی واحد"),
+                        "icon": "category",  
+                        "link": reverse_lazy("admin:product_unitcategorymodel_changelist"),
+                        "permission": lambda request: request.user.is_superuser,
+                    },
                     {
                         "title": _("دسته بندی"),
                         "icon": "category",  

backend/product/admin.py

@@ -30,6 +30,12 @@ class ProductDetailCategoryAdmin(ModelAdmin, ImportExportModelAdmin):
         return request.user.is_superuser
 
 
+@admin.register(UnitCategoryModel)
+class UnitCategoryAdmin(ModelAdmin):
+    pass
+
+
+
 @admin.register(InPackItems)
 class InPackItemsAdmin(ModelAdmin, ImportExportModelAdmin):
     import_form_class = ImportForm

backend/product/migrations/0058_unitcategorymodel_and_more.py

@@ -0,0 +1,44 @@
+# Generated by Django 5.1.2 on 2025-12-04 09:48
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0057_productvariant_profit_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='UnitCategoryModel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=50, verbose_name='نام دسته بندی')),
+                ('slug', models.SlugField(help_text='اسم دسته را برای مسیر به انگلیسی و بدون فاصله وارد کنید', unique=True)),
+                ('icon', models.ImageField(blank=True, null=True, upload_to='category_model/', verbose_name='آیکون')),
+                ('image', models.ImageField(blank=True, null=True, upload_to='category_model/', verbose_name='عکس')),
+                ('meta_title', models.CharField(blank=True, help_text='عنوان متا برای SEO', max_length=60, null=True, verbose_name='عنوان متا')),
+                ('meta_description', models.TextField(blank=True, help_text='توضیحات متا برای SEO', max_length=160, null=True, verbose_name='توضیحات متا')),
+            ],
+            options={
+                'verbose_name': 'دسته\u200cبندی اصلی',
+                'verbose_name_plural': 'دسته\u200cبندی\u200cهااصلی',
+            },
+        ),
+        migrations.RenameIndex(
+            model_name='maincategorymodel',
+            new_name='unit_category_slug_idx',
+            old_name='main_category_slug_idx',
+        ),
+        migrations.AddIndex(
+            model_name='unitcategorymodel',
+            index=models.Index(fields=['slug'], name='main_category_slug_idx'),
+        ),
+        migrations.AddField(
+            model_name='maincategorymodel',
+            name='parent',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='unitcategorys', to='product.unitcategorymodel', verbose_name='دسته\u200cبندی والد'),
+        ),
+    ]

backend/product/migrations/0059_alter_maincategorymodel_parent.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.1.2 on 2025-12-04 09:56
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('product', '0058_unitcategorymodel_and_more'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='maincategorymodel',
+            name='parent',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='maincategorys', to='product.unitcategorymodel', verbose_name='دسته\u200cبندی والد'),
+        ),
+    ]

backend/product/models.py

@@ -8,6 +8,38 @@ from django.core.exceptions import ValidationError
 from home.models import ShowCaseSlider
 
 
+
+class UnitCategoryModel(models.Model):
+    name = models.CharField(max_length=50, verbose_name='نام دسته بندی')
+    slug = models.SlugField(max_length=50, unique=True,
+                            help_text="اسم دسته را برای مسیر به انگلیسی و بدون فاصله وارد کنید")
+    icon = models.ImageField(upload_to='category_model/',
+                             verbose_name='آیکون', blank=True, null=True)
+    image = models.ImageField(
+        upload_to='category_model/', verbose_name='عکس', blank=True, null=True)
+    meta_title = models.CharField(
+        max_length=60, verbose_name="عنوان متا", help_text="عنوان متا برای SEO", blank=True, null=True)
+    meta_description = models.TextField(
+        max_length=160, verbose_name="توضیحات متا", help_text="توضیحات متا برای SEO", blank=True, null=True)
+
+    class Meta:
+        verbose_name = "دسته‌بندی اصلی"
+        verbose_name_plural = "دسته‌بندی‌هااصلی"
+        indexes = [
+            models.Index(fields=['slug'], name='main_category_slug_idx'),
+        ]
+
+    def __str__(self):
+        return self.name
+
+    def save(self, *args, **kwargs):
+        if not self.slug:
+            self.slug = 'unit-category-' + slugify(self.name, allow_unicode=True)
+        super().save(*args, **kwargs)
+
+
+
+
 class MainCategoryModel(models.Model):
     name = models.CharField(max_length=50, verbose_name='نام دسته بندی')
     slug = models.SlugField(max_length=50, unique=True,
@@ -22,12 +54,13 @@ class MainCategoryModel(models.Model):
         max_length=160, verbose_name="توضیحات متا", help_text="توضیحات متا برای SEO", blank=True, null=True)
     video = models.FileField(upload_to='category_videos/',
                              blank=True, null=True, verbose_name='ویدیو')
-
+    parent = models.ForeignKey(UnitCategoryModel, on_delete=models.CASCADE,
+                               related_name='maincategorys', verbose_name='دسته‌بندی والد', null=True)
     class Meta:
         verbose_name = "دسته‌بندی اصلی"
         verbose_name_plural = "دسته‌بندی‌هااصلی"
         indexes = [
-            models.Index(fields=['slug'], name='main_category_slug_idx'),
+            models.Index(fields=['slug'], name='unit_category_slug_idx'),
         ]
 
     def __str__(self):

backend/product/serializers.py

@@ -110,6 +110,13 @@ class SubCategorySerializer(serializers.ModelSerializer):
         return obj.parent.name
 
 
+class UnitCategorySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = UnitCategoryModel
+        fields = ['id', 'name', 'slug', 'icon', 'meta_title',
+                  'meta_description', 'image']
+
+
 class MainCategorySerializer(serializers.ModelSerializer):
     subcategorys = SubCategorySerializer(many=True)
 

backend/product/urls.py

@@ -1,11 +1,12 @@
 from django.urls import path, re_path
-from .views import AllCategories, ProductView, AllProductsView, CommentView, ShowCaseProductsView, ShowCaseCategoryListView, BotProductsView,BotProductDetailView,BotCategoryView 
+from .views import AllCategories, ProductView, AllProductsView, CommentView, ShowCaseProductsView, ShowCaseCategoryListView, BotProductsView,BotProductDetailView,BotCategoryView ,AllCategoriesV2
 
 urlpatterns = [
     path('slider_category', ShowCaseProductsView.as_view(), name='category-products'),
     path('bot', BotProductsView.as_view(), name='bot-products'),
     path('bot/<int:pk>/', BotProductDetailView.as_view(), name='bot-product-detail'),
     path('categories', AllCategories.as_view(), name='all-categories'),
+    path('categories/v2', AllCategoriesV2.as_view(), name='all-categories'),
     path('categories/bot', BotCategoryView.as_view(), name='bot-categories'),
     path('slider_categories', ShowCaseCategoryListView.as_view(), name='all-categories'),
     re_path(r'^comments/(?P<slug>[\w\u0600-\u06FF\-]+)$', CommentView.as_view(), name='comment-views'),

backend/product/views.py

@@ -65,6 +65,48 @@ class AllCategories(APIView):
         categories_ser = self.serializer_class(
             instance=categories, many=True, context={'request': request})
         return Response(categories_ser.data, status=status.HTTP_200_OK)
+class UnitCategorySerializerV2(serializers.ModelSerializer):
+    maincategorys = serializers.SerializerMethodField()
+
+    class Meta:
+        model = UnitCategoryModel
+        fields = ['id', 'name', 'slug', 'icon', 'meta_title',
+                  'meta_description', 'image', 'maincategorys']
+
+    def get_maincategorys(self, obj):
+        main_categories = obj.maincategorys.all()
+        return MainCategorySerializer(main_categories, many=True, context=self.context).data
+
+
+class AllCategoriesV2(APIView):
+    serializer_class = UnitCategorySerializerV2
+    authentication_classes = []
+
+    @extend_schema(
+        responses={
+            200: UnitCategorySerializerV2(many=True),
+            404: OpenApiTypes.OBJECT,
+        },
+    )
+    def get(self, request):
+        # Optimize query with prefetch_related to avoid N+1 queries
+        unit_categories = UnitCategoryModel.objects.prefetch_related(
+            Prefetch(
+                'maincategorys',
+                queryset=MainCategoryModel.objects.prefetch_related(
+                    Prefetch(
+                        'subcategorys',
+                        queryset=SubCategoryModel.objects.annotate(
+                            product_count=Count('products')
+                        )
+                    )
+                )
+            )
+        ).all()
+
+        categories_ser = self.serializer_class(
+            instance=unit_categories, many=True, context={'request': request})
+        return Response(categories_ser.data, status=status.HTTP_200_OK)
 
 
 class ProductView(APIView):