feat: cart

2024-11-27 17:07:03 +01:00
parent f1b25b1fdf
commit fa1d904db5
15 changed files with 448 additions and 109 deletions
@@ -0,0 +1,90 @@
+# Generated by Django 5.1.3 on 2024-11-27 12:10
+
+import django.db.models.deletion
+import uuid
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("shop", "0005_productprice_price_with_tax"),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name="Cart",
+            fields=[
+                (
+                    "uuid",
+                    models.UUIDField(
+                        default=uuid.uuid4,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="uuid",
+                    ),
+                ),
+                (
+                    "creation_date",
+                    models.DateTimeField(
+                        auto_now_add=True, verbose_name="fecha de creación"
+                    ),
+                ),
+                (
+                    "user",
+                    models.ForeignKey(
+                        blank=True,
+                        null=True,
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to=settings.AUTH_USER_MODEL,
+                        verbose_name="usuario",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "carrito",
+                "verbose_name_plural": "carritos",
+            },
+        ),
+        migrations.CreateModel(
+            name="CartItem",
+            fields=[
+                (
+                    "id",
+                    models.BigAutoField(
+                        auto_created=True,
+                        primary_key=True,
+                        serialize=False,
+                        verbose_name="ID",
+                    ),
+                ),
+                (
+                    "quantity",
+                    models.PositiveIntegerField(default=1, verbose_name="cantidad"),
+                ),
+                (
+                    "cart",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        related_name="items",
+                        to="shop.cart",
+                        verbose_name="carrito",
+                    ),
+                ),
+                (
+                    "product",
+                    models.ForeignKey(
+                        on_delete=django.db.models.deletion.CASCADE,
+                        to="shop.product",
+                        verbose_name="producto",
+                    ),
+                ),
+            ],
+            options={
+                "verbose_name": "línea de carrito",
+                "verbose_name_plural": "líneas de carrito",
+            },
+        ),
+    ]
@@ -6,6 +6,10 @@ from django.utils import timezone
 from django.utils.text import gettext_lazy as _
 from django.utils.text import slugify

+from django.contrib.auth import get_user_model
+
+User = get_user_model()
+

 class TimestampedModel(models.Model):
    creation_date = models.DateTimeField(
@@ -398,3 +402,38 @@ class Order(TimestampedModel):
    class Meta:
        verbose_name = _("pedido")
        verbose_name_plural = _("pedidos")
+
+
+class Cart(models.Model):
+    uuid = models.UUIDField(default=uuid4, primary_key=True, verbose_name=_("uuid"))
+    user = models.ForeignKey(
+        User,
+        on_delete=models.CASCADE,
+        verbose_name=_("usuario"),
+        blank=True,
+        null=True,
+    )
+    creation_date = models.DateTimeField(
+        auto_now_add=True, verbose_name=_("fecha de creación")
+    )
+
+    class Meta:
+        verbose_name = _("carrito")
+        verbose_name_plural = _("carritos")
+
+
+class CartItem(models.Model):
+    cart = models.ForeignKey(
+        "shop.Cart",
+        on_delete=models.CASCADE,
+        related_name="items",
+        verbose_name=_("carrito"),
+    )
+    product = models.ForeignKey(
+        "shop.Product", on_delete=models.CASCADE, verbose_name=_("producto")
+    )
+    quantity = models.PositiveIntegerField(default=1, verbose_name=_("cantidad"))
+
+    class Meta:
+        verbose_name = _("línea de carrito")
+        verbose_name_plural = _("líneas de carrito")
@@ -0,0 +1,35 @@
+from django.views.generic import TemplateView
+from shop.filters import ProductFilter
+from shop.models import Product
+from web.mixins import FilteredQuerysetMixin, PaginatedQuerysetMixin, CartMixin
+
+
+class ListProducts(TemplateView, FilteredQuerysetMixin, PaginatedQuerysetMixin):
+    template_name = "web/list_products.html"
+    queryset = Product.objects.all()
+    filter_class = ProductFilter
+
+    def get_context_data(self, **kwargs):
+        qs = self.get_queryset()
+        page = self.get_paginated_queryset(qs)
+
+        return {
+            "page": page,
+            "has_next_page": page.has_next(),
+            "has_previous_page": page.has_previous(),
+        }
+
+
+class CartDropdown(TemplateView, CartMixin):
+    template_name = "components/cart/cart_navbar.html"
+
+    def get_context_data(self, **kwargs):
+        cart = self.get_cart()
+
+        return {
+            "cart": cart,
+        }
+
+
+list_products = ListProducts.as_view()
+cart_dropdown = CartDropdown.as_view()
@@ -0,0 +1,13 @@
+from django import forms
+from django.forms import widgets
+
+
+class CartItemForm(forms.Form):
+    """
+    <input type="hidden" name="product" value="{{ product.pk }}">
+    <label for="quantity">{% translate 'Cantidad' %}</label>
+    <input id="quantity" type="number" name="quantity" value="1">
+    """
+
+    product = forms.IntegerField(widget=widgets.HiddenInput)
+    quantity = forms.IntegerField()
@@ -1,6 +1,9 @@
 from django.conf import settings
 from django.core.paginator import Paginator

+from shop.models import Cart
+from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
+

 class FilteredQuerysetMixin:
    queryset = None
@@ -25,3 +28,13 @@ class PaginatedQuerysetMixin:
        page = self.request.GET.get("page", 1)
        qs = paginator.get_page(page)
        return qs
+
+
+class CartMixin:
+    def get_cart(self):
+        if not self.request.user.is_authenticated:
+            uid = self.request.COOKIES.get(ANONYMOUS_CART_ID_COOKIE_NAME)
+            cart = Cart.objects.get(uuid=uid)
+        else:
+            cart = Cart.objects.filter(user=self.request.user).first()
+        return cart
@@ -0,0 +1 @@
+ANONYMOUS_CART_ID_COOKIE_NAME = "caid"
@@ -0,0 +1,15 @@
+{% load i18n %}
+<form action="" hx-post="{% url 'web:add_cart_item' %}" hx-swap="none">
+  {% csrf_token %}
+  <input type="hidden" name="product" value="{{ product.pk }}">
+  <input id="quantity" type="hidden" name="quantity" value="1">
+  <button
+          class="inline-flex items-center rounded-lg bg-primary-700 px-5 py-2.5 text-sm font-medium text-white hover:bg-primary-800 focus:outline-none focus:ring-4  focus:ring-primary-300 dark:bg-primary-600 dark:hover:bg-primary-700 dark:focus:ring-primary-800">
+    <svg class="-ms-2 me-2 h-5 w-5" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24"
+         height="24" fill="none" viewBox="0 0 24 24">
+      <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+            d="M4 4h1.5L8 16m0 0h8m-8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm.75-3H7.5M11 7H6.312M17 4v6m-3-3h6"/>
+    </svg>
+    {% translate 'Añadir al carrito' %}
+  </button>
+</form>
@@ -1,17 +1,31 @@
 {% load i18n %}

 <div class="grid grid-cols-2">
+
+  {% if cart.items.count == 0 %}
+    <h2 class="text-sm font-medium text-gray-900 dark:text-white">No hay nada en el carrito</h2>
+  {% endif %}
+
+  {% for cart_item in cart.items.all %}
    <div>
-    <a href="#" class="truncate text-sm font-semibold leading-none text-gray-900 dark:text-white hover:underline">Apple iPhone 15</a>
-    <p class="mt-0.5 truncate text-sm font-normal text-gray-500 dark:text-gray-400">$599</p>
+      <a href="#"
+         class="truncate text-sm font-semibold leading-none text-gray-900 dark:text-white hover:underline">{{ cart_item.product.name }}</a>
+      <p
+        class="mt-0.5 truncate text-sm font-normal text-gray-500 dark:text-gray-400">{{ cart_item.product.price.price_with_tax }}</p>
    </div>

    <div class="flex items-center justify-end gap-6">
-    <p class="text-sm font-normal leading-none text-gray-500 dark:text-gray-400">Qty: 1</p>
+      <p
+        class="text-sm font-normal leading-none text-gray-500 dark:text-gray-400">{% translate 'Cantidad' %}: {{ cart_item.quantity }}</p>

-    <button data-tooltip-target="tooltipRemoveItem1a" type="button"
-            class="text-red-600 hover:text-red-700 dark:text-red-500 dark:hover:text-red-600">
-      <span class="sr-only"> Remove </span>
+      <form hx-post="{% url 'web:delete_cart_item' pk=cart_item.pk %}"
+            hx-swap="none">
+
+        <button data-tooltip-target="tooltipRemoveItem1a" type="submit"
+                class="text-red-600 hover:text-red-700 dark:text-red-500 dark:hover:text-red-600"
+        >
+          {% csrf_token %}
+          <span class="sr-only">{% translate 'Quitar' %}</span>
          <svg class="h-4 w-4" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentColor"
               viewBox="0 0 24 24">
            <path fill-rule="evenodd"
@@ -19,17 +33,25 @@
                  clip-rule="evenodd"/>
          </svg>
        </button>
+      </form>
+
+
      <div id="tooltipRemoveItem1a" role="tooltip"
-         class="tooltip invisible absolute z-10 inline-block rounded-lg bg-gray-900 px-3 py-2 text-sm font-medium text-white opacity-0 shadow-sm transition-opacity duration-300 dark:bg-gray-700">
+           class="tooltip invisible absolute z-10 inline-block rounded-lg bg-gray-900 px-3 py-2 text-sm font-medium text-white opacity-0 shadow-sm transition-opacity duration-300 dark:bg-gray-700"
+      >
        Remove item
        <div class="tooltip-arrow" data-popper-arrow></div>
      </div>
    </div>
+  {% endfor %}
+
 </div>

-<a href="#" title=""
+{% if cart.items.count > 0 %}
+  <a href="#" title=""
     class="mb-2 me-2 inline-flex w-full items-center justify-center rounded-lg bg-primary-700 px-5 py-2.5 text-sm
     font-medium text-white hover:bg-primary-800 focus:outline-none focus:ring-4 focus:ring-primary-300
     dark:bg-primary-600 dark:hover:bg-primary-700 dark:focus:ring-primary-800"
     role="button"> {% translate 'Ir a pagar' %}
-</a>
+  </a>
+{% endif %}
@@ -0,0 +1,87 @@
+{% load i18n %}
+<button
+  hx-on:click="htmx.toggleClass(htmx.find('#myCartDropdown1'), 'hidden'); htmx.addClass(htmx.find('#userDropdown1'), 'hidden')"
+  id="myCartDropdownButton1"
+  data-dropdown-toggle="myCartDropdown1" type="button"
+  class="inline-flex items-center rounded-lg justify-center p-2 hover:bg-gray-100 dark:hover:bg-gray-700 text-sm font-medium leading-none text-gray-900 dark:text-white">
+          <span class="sr-only">
+            {% blocktranslate %}
+              Carrito
+            {% endblocktranslate %}({{ cart.items.count }})
+          </span>
+  <svg class="w-5 h-5 lg:me-1" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24"
+       fill="none" viewBox="0 0 24 24">
+    <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+          d="M5 4h1.5L9 16m0 0h8m-8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm-8.5-3h9.25L19 7H7.312"/>
+  </svg>
+  <span class="sm:flex">
+    {% blocktranslate %}
+      Carrito
+    {% endblocktranslate %}({{ cart.items.count }})</span>
+  <svg class="hidden sm:flex w-4 h-4 text-gray-900 dark:text-white ms-1" aria-hidden="true"
+       xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24">
+    <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
+          d="m19 9-7 7-7-7"/>
+  </svg>
+</button>
+
+<!-- Cart -->
+<div id="myCartDropdown1"
+     class="absolute top-10 hidden z-10 mx-auto max-w-sm space-y-4 overflow-hidden rounded-lg bg-white p-4 antialiased shadow-lg dark:bg-gray-800">
+
+  <div class="grid grid-cols-2">
+
+    {% if cart.items.count == 0 %}
+      <h2 class="text-sm font-medium text-gray-900 dark:text-white">No hay nada en el carrito</h2>
+    {% endif %}
+
+    {% for cart_item in cart.items.all %}
+      <div>
+        <a href="#"
+           class="truncate text-sm font-semibold leading-none text-gray-900 dark:text-white hover:underline">{{ cart_item.product.name }}</a>
+        <p
+          class="mt-0.5 truncate text-sm font-normal text-gray-500 dark:text-gray-400">{{ cart_item.product.price.price_with_tax }}</p>
+      </div>
+
+      <div class="flex items-center justify-end gap-6">
+        <p
+          class="text-sm font-normal leading-none text-gray-500 dark:text-gray-400">{% translate 'Cantidad' %}: {{ cart_item.quantity }}</p>
+
+        <form hx-post="{% url 'web:delete_cart_item' pk=cart_item.pk %}"
+              hx-swap="none">
+
+          <button data-tooltip-target="tooltipRemoveItem1a" type="submit"
+                  class="text-red-600 hover:text-red-700 dark:text-red-500 dark:hover:text-red-600"
+          >
+            {% csrf_token %}
+            <span class="sr-only">{% translate 'Quitar' %}</span>
+            <svg class="h-4 w-4" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" fill="currentColor"
+                 viewBox="0 0 24 24">
+              <path fill-rule="evenodd"
+                    d="M2 12a10 10 0 1 1 20 0 10 10 0 0 1-20 0Zm7.7-3.7a1 1 0 0 0-1.4 1.4l2.3 2.3-2.3 2.3a1 1 0 1 0 1.4 1.4l2.3-2.3 2.3 2.3a1 1 0 0 0 1.4-1.4L13.4 12l2.3-2.3a1 1 0 0 0-1.4-1.4L12 10.6 9.7 8.3Z"
+                    clip-rule="evenodd"/>
+            </svg>
+          </button>
+        </form>
+
+
+        <div id="tooltipRemoveItem1a" role="tooltip"
+             class="tooltip invisible absolute z-10 inline-block rounded-lg bg-gray-900 px-3 py-2 text-sm font-medium text-white opacity-0 shadow-sm transition-opacity duration-300 dark:bg-gray-700"
+        >
+          Remove item
+          <div class="tooltip-arrow" data-popper-arrow></div>
+        </div>
+      </div>
+    {% endfor %}
+  </div>
+
+  {% if cart.items.count > 0 %}
+    <a href="#" title=""
+       class="mb-2 me-2 inline-flex w-full items-center justify-center rounded-lg bg-primary-700 px-5 py-2.5 text-sm
+     font-medium text-white hover:bg-primary-800 focus:outline-none focus:ring-4 focus:ring-primary-300
+     dark:bg-primary-600 dark:hover:bg-primary-700 dark:focus:ring-primary-800"
+       role="button"> {% translate 'Ir a pagar' %}
+    </a>
+  {% endif %}
+
+</div>
@@ -46,35 +46,12 @@

        {% include 'components/theme-switch.html' %}
        <!-- Show/Hide cart -->
-        <button hx-on:click="htmx.toggleClass(htmx.find('#myCartDropdown1'), 'hidden'); htmx.addClass(htmx.find('#userDropdown1'), 'hidden')"
-          id="myCartDropdownButton1"
-                data-dropdown-toggle="myCartDropdown1" type="button"
-                class="inline-flex items-center rounded-lg justify-center p-2 hover:bg-gray-100 dark:hover:bg-gray-700 text-sm font-medium leading-none text-gray-900 dark:text-white">
-          <span class="sr-only">
-            {% translate 'Carrito' %}
-          </span>
-          <svg class="w-5 h-5 lg:me-1" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24" height="24"
-               fill="none" viewBox="0 0 24 24">
-            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                  d="M5 4h1.5L9 16m0 0h8m-8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm-8.5-3h9.25L19 7H7.312"/>
-          </svg>
-          <span class="sm:flex">{% translate 'Carrito' %}</span>
-          <svg class="hidden sm:flex w-4 h-4 text-gray-900 dark:text-white ms-1" aria-hidden="true"
-               xmlns="http://www.w3.org/2000/svg" width="24" height="24" fill="none" viewBox="0 0 24 24">
-            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                  d="m19 9-7 7-7-7"/>
-          </svg>
-        </button>
-
-        <!-- Cart -->
-        <div id="myCartDropdown1"
-             class="absolute top-10 hidden z-10 mx-auto max-w-sm space-y-4 overflow-hidden rounded-lg bg-white p-4 antialiased shadow-lg dark:bg-gray-800">
-        {% include 'components/cart/cart_dropdown.html' %}
-        </div>
+        <div id="navbar-cart-dropdown" hx-get="{% url 'web:cart_dropdown' %}" hx-trigger="load"></div>

        {% if request.user.is_authenticated %}
          <!-- Show/Hide user account dropdown -->
-        <button hx-on:click="htmx.toggleClass(htmx.find('#userDropdown1'), 'hidden'); htmx.addClass(htmx.find('#myCartDropdown1'), 'hidden')"
+          <button
+            hx-on:click="htmx.toggleClass(htmx.find('#userDropdown1'), 'hidden'); htmx.addClass(htmx.find('#myCartDropdown1'), 'hidden')"
            id="userDropdownButton1"
            data-dropdown-toggle="userDropdown1" type="button"
            class="inline-flex items-center rounded-lg justify-center p-2 hover:bg-gray-100 dark:hover:bg-gray-700 text-sm font-medium leading-none text-gray-900 dark:text-white">
@@ -84,7 +61,8 @@
                    d="M7 17v1a1 1 0 0 0 1 1h8a1 1 0 0 0 1-1v-1a3 3 0 0 0-3-3h-4a3 3 0 0 0-3 3Zm8-9a3 3 0 1 1-6 0 3 3 0 0 1 6 0Z"/>
            </svg>
            {% translate 'Mi cuenta' %}
-          <svg class="w-4 h-4 text-gray-900 dark:text-white ms-1" aria-hidden="true" xmlns="http://www.w3.org/2000/svg"
+            <svg class="w-4 h-4 text-gray-900 dark:text-white ms-1" aria-hidden="true"
+                 xmlns="http://www.w3.org/2000/svg"
                 width="24" height="24" fill="none" viewBox="0 0 24 24">
              <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                    d="m19 9-7 7-7-7"/>
@@ -97,7 +75,9 @@
            {% include 'components/users/user_dropdown.html' %}
          </div>
        {% else %}
-          <a href="{% url 'users:login' %}" class="inline-flex items-center rounded-lg justify-center p-2 hover:bg-gray-100 dark:hover:bg-gray-700 text-sm font-medium leading-none text-gray-900 dark:text-white">Inicia sesión</a>
+          <a href="{% url 'users:login' %}"
+             class="inline-flex items-center rounded-lg justify-center p-2 hover:bg-gray-100 dark:hover:bg-gray-700 text-sm font-medium leading-none text-gray-900 dark:text-white">Inicia
+            sesión</a>
        {% endif %}
        <!-- Show/Hide menu items -->
        <button hx-on:click="htmx.toggleClass(htmx.find('#ecommerce-navbar-menu-1'), 'hidden')" type="button"
@@ -119,22 +99,28 @@
         class="bg-gray-50 dark:bg-gray-700 dark:border-gray-600 border border-gray-200 rounded-lg py-3 hidden px-4 mt-4">
      <ul class="text-gray-900 dark:text-white text-sm font-medium dark:text-white space-y-3">
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Inicio' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Inicio' %}</a>
        </li>
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Más vendidos' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Más vendidos' %}</a>
        </li>
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Ideas de regalo' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Ideas de regalo' %}</a>
        </li>
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Juegos' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Juegos' %}</a>
        </li>
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Electrónica' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Electrónica' %}</a>
        </li>
        <li>
-          <a href="{% url 'web:index' %}" class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Ofertas del día' %}</a>
+          <a href="{% url 'web:index' %}"
+             class="hover:text-primary-700 dark:hover:text-primary-500">{% translate 'Ofertas del día' %}</a>
        </li>
      </ul>
    </div>
@@ -55,15 +55,7 @@
        <p
          class="text-2xl font-extrabold leading-tight text-gray-900 dark:text-white">{{ product.price.price_with_tax }}€</p>

-        <button type="button"
-                class="inline-flex items-center rounded-lg bg-primary-700 px-5 py-2.5 text-sm font-medium text-white hover:bg-primary-800 focus:outline-none focus:ring-4  focus:ring-primary-300 dark:bg-primary-600 dark:hover:bg-primary-700 dark:focus:ring-primary-800">
-          <svg class="-ms-2 me-2 h-5 w-5" aria-hidden="true" xmlns="http://www.w3.org/2000/svg" width="24"
-               height="24" fill="none" viewBox="0 0 24 24">
-            <path stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
-                  d="M4 4h1.5L8 16m0 0h8m-8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm8 0a2 2 0 1 0 0 4 2 2 0 0 0 0-4Zm.75-3H7.5M11 7H6.312M17 4v6m-3-3h6"/>
-          </svg>
-          {% translate 'Añadir al carrito' %}
-        </button>
+        {% include 'components/cart/add_to_cart.html' %}
      </div>
    </div>
  </div>
@@ -1,6 +1,7 @@
 from django.urls import path

-from web.views import index, list_products, product_detail
+from web.views import index, product_detail, add_cart_item, delete_cart_item
+from web.components.views import list_products, cart_dropdown

 app_name = "web"

@@ -8,5 +9,10 @@ app_name = "web"
 urlpatterns = [
    path("", index, name="index"),
    path("products/<int:pk>/<str:slug>/", product_detail, name="product_detail"),
-    path("shop/components/products/", list_products, name="list_products"),
+    # components
+    path("web/components/products/", list_products, name="list_products"),
+    path("web/components/cart-dropdown/", cart_dropdown, name="cart_dropdown"),
+    # api
+    path("web/add-cart-item/", add_cart_item, name="add_cart_item"),
+    path("web/delete-cart-item/<int:pk>/", delete_cart_item, name="delete_cart_item"),
 ]
@@ -0,0 +1,11 @@
+from shop.models import Cart
+from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME
+
+
+def get_cart(request):
+    if not request.user.is_authenticated:
+        uid = request.COOKIES.get(ANONYMOUS_CART_ID_COOKIE_NAME)
+        cart = Cart.objects.get(uuid=uid)
+    else:
+        cart = Cart.objects.filter(user=request.user).first()
+    return cart
@@ -1,9 +1,11 @@
 from django.shortcuts import get_object_or_404
 from django.views.generic import TemplateView
+from django.http.response import HttpResponse
+from django.views.decorators.http import require_http_methods

-from shop.filters import ProductFilter
-from shop.models import Product
-from web.mixins import FilteredQuerysetMixin, PaginatedQuerysetMixin
+from shop.models import Product, Cart, CartItem
+from web.utils import get_cart
+from web.settings import ANONYMOUS_CART_ID_COOKIE_NAME


 class IndexView(TemplateView):
@@ -15,22 +17,6 @@ class IndexView(TemplateView):
        }


-class ListProducts(TemplateView, FilteredQuerysetMixin, PaginatedQuerysetMixin):
-    template_name = "web/list_products.html"
-    queryset = Product.objects.all()
-    filter_class = ProductFilter
-
-    def get_context_data(self, **kwargs):
-        qs = self.get_queryset()
-        page = self.get_paginated_queryset(qs)
-
-        return {
-            "page": page,
-            "has_next_page": page.has_next(),
-            "has_previous_page": page.has_previous(),
-        }
-
-
 class ProductDetail(TemplateView):
    template_name = "web/product_detail.html"

@@ -45,6 +31,49 @@ class ProductDetail(TemplateView):
        }


+@require_http_methods(
+    [
+        "POST",
+    ]
+)
+def add_cart_item(request, *args, **kwargs):
+    product = get_object_or_404(Product, pk=request.POST.get("product"))
+    response = HttpResponse(status=201)
+
+    if not request.user.is_authenticated:
+        cart = Cart.objects.create(
+            user=None,
+        )
+    else:
+        cart, created = Cart.objects.get_or_create(user=request.user)
+        response.set_cookie(ANONYMOUS_CART_ID_COOKIE_NAME, cart.uuid)
+
+    existing_cart_item = CartItem.objects.filter(cart=cart, product=product).first()
+
+    if existing_cart_item is not None:
+        existing_cart_item.quantity += int(request.POST.get("quantity"))
+        existing_cart_item.save()
+    else:
+        CartItem.objects.create(
+            cart=cart,
+            quantity=request.POST.get("quantity"),
+            product=product,
+        )
+
+    return response
+
+
+@require_http_methods(
+    [
+        "POST",
+    ]
+)
+def delete_cart_item(request, pk, *args, **kwargs):
+    cart = get_cart(request)
+    cart_item = get_object_or_404(CartItem, pk=pk, cart=cart)
+    cart_item.delete()
+    return HttpResponse(status=204)
+
+
 index = IndexView.as_view()
-list_products = ListProducts.as_view()
 product_detail = ProductDetail.as_view()