Remove promo, add featured on main page

home/tests.py

@@ -3,6 +3,8 @@ from django.core import mail
 from django.test import SimpleTestCase, TestCase, override_settings
 from django.urls import reverse, resolve
 
+from items.models import Category, Item
+
 
 @override_settings(EMAIL_BACKEND="django.core.mail.backends.locmem.EmailBackend", ADMINISTRATOR_EMAIL="admin@example.com")
 class FaqQuestionTests(TestCase):
@@ -39,6 +41,50 @@ class FaqQuestionTests(TestCase):
         self.assertContains(response, "Необходимо согласие на обработку персональных данных.")
 
 
+class HomePopularProductsTests(TestCase):
+    def setUp(self):
+        self.category = Category.objects.create(name="Plumbing", slug="plumbing")
+
+    def test_home_page_renders_available_products(self):
+        visible_item = Item.objects.create(
+            name="Visible sink",
+            slug="visible-sink",
+            category=self.category,
+            price="1600.00",
+            is_available=True,
+        )
+        Item.objects.create(
+            name="Hidden sink",
+            slug="hidden-sink",
+            category=self.category,
+            price="1800.00",
+            is_available=False,
+        )
+
+        response = self.client.get(reverse("home"))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertContains(response, visible_item.name)
+        self.assertContains(response, reverse("detail", args=[self.category.slug, visible_item.slug]))
+        self.assertContains(response, "1600,00 руб.")
+        self.assertNotContains(response, "Hidden sink")
+
+    def test_home_page_limits_popular_products_to_six(self):
+        for index in range(7):
+            Item.objects.create(
+                name=f"Product {index}",
+                slug=f"product-{index}",
+                category=self.category,
+                price="1000.00",
+                is_available=True,
+            )
+
+        response = self.client.get(reverse("home"))
+
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(len(response.context["home_products"]), 6)
+
+
 class FaviconTests(SimpleTestCase):
     def test_favicon_route_returns_icon(self):
         response = self.client.get(reverse("favicon"))

home/views.py

@@ -2,11 +2,15 @@ import logging
 
 from django.conf import settings
 from django.core.mail import send_mail
+from django.db.models import BooleanField, Case, Value, When
 from django.shortcuts import redirect, render
 from django.urls import reverse
 from django.contrib import messages
 
+from favorites.services import get_user_favorite_item_ids
 from home.forms import FaqQuestionForm
+from items.models import Item
+from orders.services import get_user_cart_item_ids
 
 
 logger = logging.getLogger(__name__)
@@ -55,7 +59,26 @@ def index(request):
             messages.success(request, "Спасибо. Ваш вопрос отправлен, мы свяжемся с вами в ближайшее время.")
             return redirect(f"{reverse('home')}#faq-section")
 
-    return render(request=request, template_name='home/index.html', context={"faq_form": form})
+    home_products = (
+        Item.objects.filter(is_available=True)
+        .select_related("category", "subcategory")
+        .prefetch_related("images")
+        .annotate(
+            discount_sort=Case(
+                When(discount_price__isnull=False, then=Value(True)),
+                default=Value(False),
+                output_field=BooleanField(),
+            )
+        )
+        .order_by("-is_new", "-discount_sort", "-created_at")[:6]
+    )
+
+    return render(request=request, template_name='home/index.html', context={
+        "faq_form": form,
+        "home_products": home_products,
+        "favorite_item_ids": get_user_favorite_item_ids(request.user),
+        "cart_item_ids": get_user_cart_item_ids(request.user),
+    })
 
 
 def services(request):