Add cart stock limits

src/core/models.py

@@ -71,6 +71,14 @@ class ProductCategory(models.Model):
         verbose_name_plural = 'Product Categories'
 
 
+class ProductManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().prefetch_related(
+            'productphoto_set',
+            'options'
+        )
+
+
 class Product(models.Model):
     category = models.ForeignKey(
         ProductCategory,
@@ -92,6 +100,8 @@ class Product(models.Model):
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
 
+    objects = ProductManager()
+
     def __str__(self):
         return self.name
 
@@ -124,6 +134,12 @@ class ProductVariant(models.Model):
         on_delete=models.CASCADE,
         related_name='variants'
     )
+    image = models.ForeignKey(
+        'ProductPhoto',
+        on_delete=models.SET_NULL,
+        related_name='+',
+        null=True
+    )
     name = models.CharField(max_length=255)
     sku = models.CharField(max_length=255, unique=True)
     stripe_id = models.CharField(max_length=255, blank=True)
@@ -145,6 +161,7 @@ class ProductVariant(models.Model):
         null=True,
         validators=[MinValueValidator(0)]
     )
+    sorting = models.PositiveIntegerField(blank=True, null=True)
 
     created_at = models.DateTimeField(auto_now_add=True)
     updated_at = models.DateTimeField(auto_now=True)
@@ -155,7 +172,7 @@ class ProductVariant(models.Model):
         return f'{self.product}: {self.name}'
 
     class Meta:
-        ordering = ['weight']
+        ordering = ['sorting', 'weight']
 
 
 class ProductOption(models.Model):
@@ -491,6 +508,13 @@ class SiteSettings(SingletonBase):
         related_name='+',
         on_delete=models.SET_NULL
     )
+    free_shipping_min = models.DecimalField(
+        max_digits=settings.DEFAULT_MAX_DIGITS,
+        decimal_places=settings.DEFAULT_DECIMAL_PLACES,
+        blank=True,
+        null=True,
+        help_text='Minimum dollar amount in the cart subtotal to qualify for free shipping'
+    )
 
     def __str__(self):
         return 'Site Settings'

src/dashboard/templates/dashboard/config.html

@@ -23,5 +23,17 @@
             {% endfor %}
         </div>
     </section>
+
+    <section class="object__panel">
+        <div class="object__item panel__header panel__header--flex">
+            <h4>Site Settings</h4>
+            <a href="{% url 'dashboard:settings-update' site_settings.pk %}" class="action-button order__fulfill">Edit</a>
+        </div>
+        <div class="panel__item">
+            <p>USPS User ID: {{ site_settings.usps_user_id }}</p>
+            <p>Default shipping rate: {{ site_settings.default_shipping_rate }}</p>
+            <p>Free shipping min: ${{ site_settings.free_shipping_min }}</p>
+        </div>
+    </section>
 </article>
 {% endblock %}

src/dashboard/templates/dashboard/order_detail.html

@@ -30,7 +30,7 @@
                 </figure>
                 <span>{{product.sku}}</span>
                 <span>{{item.quantity}}</span>
-                <span>${{item.variant.price}}</span>
+                <span>${{item.unit_price}}</span>
                 <span>${{item.get_total}}</span>
             {% endwith %}
             </div>

src/dashboard/urls.py

@@ -12,6 +12,11 @@ urlpatterns = [
         views.DashboardConfigView.as_view(),
         name='config'
     ),
+    path(
+        'settings/<int:pk>/update/',
+        views.SiteSettingsUpdateView.as_view(),
+        name='settings-update'
+    ),
     path(
         'catalog/',
         views.CatalogView.as_view(),

src/storefront/templates/storefront/cart_detail.html

@@ -54,6 +54,7 @@
                     <input type="submit" value="Apply" class="action-button">
                 </p>
             </form>
+            <h5>Free shipping on orders over ${{ site_settings.free_shipping_min|floatformat:"2" }}</h5>
             <div class="cart__table-wrapper">
                 <table class="cart__totals">
                     <tr>