Multi currency

nxtbn/core/currency_middleware.py

@@ -0,0 +1,10 @@
+from django.utils.deprecation import MiddlewareMixin
+from django.conf import settings
+
+class CurrencyMiddleware(MiddlewareMixin):
+    def process_request(self, request):
+        # Get the currency from the X-Currency header
+        currency = request.headers.get('Accept-Currency', settings.BASE_CURRENCY) # BASE_CURRENCY is fallback
+
+        # Store the currency in the request object
+        request.currency = currency

nxtbn/product/api/storefront/serializers.py

@@ -1,7 +1,9 @@
+from django.conf import settings
 from django.utils.translation import gettext_lazy as _
 from rest_framework import serializers
 from django.db import transaction
 
+from nxtbn.core.models import CurrencyExchange
 from nxtbn.product.api.dashboard.serializers import RecursiveCategorySerializer
 from nxtbn.filemanager.api.dashboard.serializers import ImageSerializer
 from nxtbn.product.models import Product, Collection, Category, ProductVariant
@@ -21,6 +23,14 @@ class Meta:
         model = ProductVariant
         fields = '__all__'
 
+    def get_price_in_customer_currency(self, obj): # TODO: Implement logic for taxclass in future
+        if not settings.IS_MULTI_CURRENCY: # If site is in single currency, no currenyc required
+            return obj.price
+        else:
+            currency_code = self.context.get('request').currency
+            rate = CurrencyExchange.objects.get(base_currency=settings.BASE_CURRENCY, target_currency=currency_code).exchange_rate
+        return rate
+
 class ProductSerializer(serializers.ModelSerializer):
     default_variant = ProductVariantSerializer()
     class Meta:

nxtbn/settings.py

@@ -123,7 +123,8 @@ def get_env_var(key, default=None, var_type=str):
 
 MIDDLEWARE = [
     'django.middleware.security.SecurityMiddleware',
-    'whitenoise.middleware.WhiteNoiseMiddleware',
+    'whitenoise.middleware.WhiteNoiseMiddleware', # TODO: Do we need this?
+    'nxtbn.core.currency_middleware.CurrencyMiddleware',
     'django.contrib.sessions.middleware.SessionMiddleware',
     "corsheaders.middleware.CorsMiddleware",
     'django.middleware.common.CommonMiddleware',