version backend3

core/templates/core/cart.html

@@ -0,0 +1,44 @@
+{% extends "base.html" %}
+
+{% block title %}Shopping Cart | Ethio-gebeya{% endblock %}
+
+{% block content %}
+<main class="container py-4">
+    <h1 class="mb-4">Shopping Cart</h1>
+    
+    {% if items %}
+    <table class="table">
+        <thead>
+            <tr>
+                <th>Product</th>
+                <th>Quantity</th>
+                <th>Price</th>
+                <th>Subtotal</th>
+                <th>Action</th>
+            </tr>
+        </thead>
+        <tbody>
+            {% for item in items %}
+            <tr>
+                <td>{{ item.product.name }}</td>
+                <td>{{ item.quantity }}</td>
+                <td>{{ item.product.price }} ETB</td>
+                <td>{{ item.subtotal }} ETB</td>
+                <td><a href="{% url 'remove_from_cart' item.product.pk %}" class="btn btn-danger btn-sm">Remove</a></td>
+            </tr>
+            {% endfor %}
+        </tbody>
+    </table>
+    <div class="mt-3">
+        <h4>Total: {{ total_price }} ETB</h4>
+        <a href="#" class="btn btn-primary">Proceed to Checkout</a>
+    </div>
+    {% else %}
+    <p>Your cart is empty.</p>
+    {% endif %}
+    
+    <div class="mt-4">
+        <a href="{% url 'home' %}" class="btn btn-secondary">Continue Shopping</a>
+    </div>
+</main>
+{% endblock %}

core/templates/core/index.html

@@ -15,6 +15,7 @@
                     <p class="card-text text-muted">{{ product.description|truncatewords:20 }}</p>
                     <p class="card-text fw-bold">Price: {{ product.price }} ETB</p>
                     <a href="{% url 'product_detail' product.pk %}" class="btn btn-primary">View Details</a>
+                    <a href="{% url 'add_to_cart' product.pk %}" class="btn btn-success">Add to Cart</a>
                 </div>
             </div>
         </div>
@@ -27,6 +28,7 @@
         {% else %}
         <a class="btn btn-primary" href="{% url 'login' %}">Sign In</a>
         {% endif %}
+        <a class="btn btn-info" href="{% url 'cart_view' %}">View Cart</a>
     </div>
 </main>
-{% endblock %}
+{% endblock %}

core/templates/core/product_detail.html

@@ -11,13 +11,11 @@
             <p class="h4 text-primary">Price: {{ product.price }} ETB</p>
             <p>Stock: {{ product.stock }}</p>
             
-            <form method="post" action="#">
+            <a href="{% url 'add_to_cart' product.pk %}" class="btn btn-primary btn-lg">Add to Cart</a>
-                {% csrf_token %}
-                <button type="submit" class="btn btn-primary btn-lg">Add to Cart</button>
-            </form>
             
             <a href="{% url 'home' %}" class="btn btn-link mt-3">Back to catalog</a>
+            <a href="{% url 'cart_view' %}" class="btn btn-info mt-3">View Cart</a>
         </div>
     </div>
 </main>
-{% endblock %}
+{% endblock %}

core/urls.py

@@ -1,7 +1,16 @@
 from django.urls import path
 from django.contrib.auth.views import LoginView, LogoutView
 
-from .views import buyer_dashboard, dashboard_redirect, home, product_detail, seller_dashboard
+from .views import (
+    add_to_cart,
+    buyer_dashboard,
+    cart_view,
+    dashboard_redirect,
+    home,
+    product_detail,
+    remove_from_cart,
+    seller_dashboard,
+)
 
 urlpatterns = [
     path("", home, name="home"),
@@ -11,4 +20,7 @@ urlpatterns = [
     path("dashboard/", dashboard_redirect, name="dashboard"),
     path("dashboard/buyer/", buyer_dashboard, name="buyer_dashboard"),
     path("dashboard/seller/", seller_dashboard, name="seller_dashboard"),
-]
+    path("cart/", cart_view, name="cart_view"),
+    path("cart/add/<int:pk>/", add_to_cart, name="add_to_cart"),
+    path("cart/remove/<int:pk>/", remove_from_cart, name="remove_from_cart"),
+]

core/views.py

@@ -87,4 +87,37 @@ def seller_dashboard(request):
         "total_revenue": sales_summary["total_revenue"] or 0,
         "recent_sales": recent_sales,
     }
-    return render(request, "core/seller_dashboard.html", context)
+    return render(request, "core/seller_dashboard.html", context)
+
+
+def add_to_cart(request, pk):
+    product = get_object_or_404(Product, pk=pk)
+    cart = request.session.get("cart", {})
+    product_id = str(pk)
+    cart[product_id] = cart.get(product_id, 0) + 1
+    request.session["cart"] = cart
+    return redirect("home")
+
+
+def remove_from_cart(request, pk):
+    cart = request.session.get("cart", {})
+    product_id = str(pk)
+    if product_id in cart:
+        del cart[product_id]
+        request.session["cart"] = cart
+    return redirect("cart_view")
+
+
+def cart_view(request):
+    cart = request.session.get("cart", {})
+    items = []
+    total_price = 0
+    for product_id, quantity in cart.items():
+        try:
+            product = Product.objects.get(pk=product_id)
+            items.append({"product": product, "quantity": quantity, "subtotal": product.price * quantity})
+            total_price += product.price * quantity
+        except Product.DoesNotExist:
+            continue
+    context = {"items": items, "total_price": total_price}
+    return render(request, "core/cart.html", context)