updated shop serializers and order views to reflect associate shops d…

…uring creation

src/apps/orders/urls.py

@@ -7,7 +7,7 @@
 urlpatterns = [
     path("", views.order_list_view, name="order-list"),
     path("<str:transaction_id>", views.order_detail_view, name="order-detail"),
-    path("create/", views.create_order_view, name="order-create"),
+    path("create/<str:shop_id>", views.create_order_view, name="order-create"),
     path("update/<str:transaction_id>/", views.update_order_view, name="order-update"),
     path("delete/<str:transaction_id>/", views.delete_order_view, name="order-delete"),
 ]

src/apps/orders/views.py

@@ -6,14 +6,14 @@
 from .serializers import OrderItemSerializers, OrderSerializer, OrderCreateSerializer
 from django.contrib.auth import get_user_model
 from apps.customers.models import Customer
-
+from apps.shop.models import Shop
 
 User = get_user_model()
 
 
 @api_view(["GET"])
 @permission_classes([permissions.IsAuthenticated])
-def order_list_view(request):
+def order_list_view(request, shop_id):
     #
     orders = Order.objects.all()
     serializer = OrderSerializer(orders, many=True)
@@ -23,7 +23,7 @@ def order_list_view(request):
 
 @api_view(["GET"])
 @permission_classes([permissions.IsAuthenticated])
-def order_detail_view(request, transaction_id):
+def order_detail_view(request, transaction_id, shop_id):
     orders = Order.objects.get(transaction_id=transaction_id)
     serializer = OrderSerializer(orders)
     print(request.headers)
@@ -33,7 +33,7 @@ def order_detail_view(request, transaction_id):
 
 @api_view(["GET"])
 @permission_classes([permissions.IsAuthenticated])
-def orderitem_list_view(request):
+def orderitem_list_view(request, shop_id):
     #
     orders = OrderItem.objects.all()
     serializer = OrderItemSerializers(orders, many=True)
@@ -43,22 +43,39 @@ def orderitem_list_view(request):
 
 @api_view(["POST"])
 @permission_classes([permissions.IsAuthenticated])
-def create_order_view(request, *a, **kw):
+def create_order_view(request, shop_id, *a, **kw):
     data = request.data
 
+    # extract thet order items from the request
     orderitems = data["orderitems"]
 
     # Add some useful data to the response object
 
     meta_data = {}
     meta_data["new_customer"] = False
 
+    # Get shop which order belongs to ...
+    shops = Shop.objects.filter(shop_id=shop_id)
+    if shops.exists() and len(shops) == 1:
+        shop = shops.first()
+    else:
+        return Response({"error": "shop with given ID not found"})
+
     # to be fixed / get a user from the database
-    user = User.objects.get(username="admin")
+    # for now, we are just getting the shop owner and assigning the order to him
+    user = User.objects.filter(shop=shop)
+    if user.exists():
+        user = user.first()
+
+
     # get customer based on id
     customer, created = Customer.objects.get_or_create(
         name=data["customer"], phone_number=data["phone"]
     )
+    # Check if the the customer was just created or has been in the system
+    # Then let the shop owner know if this was a new user 
+    # by adding "new_customer" as metadata to the response
+    # Which could be used to do custome things.
     if created:
         meta_data["new_customer"] = True
 
@@ -67,8 +84,12 @@ def create_order_view(request, *a, **kw):
         "customer": customer,
         "status": data["status"],
     }
-    order = Order.objects.create(**order_create_data)
 
+    # Create a new order for a particular shop in the database
+    order = Order.objects.create(**order_create_data, shop=shop)
+
+    # Add all the order items to the created order
+    # By attaching the order pkid to every orderitem
     for orderitem in orderitems:
         orderitem["order"] = order.pkid
         orderitem_serializer = OrderItemSerializers(data=orderitem)
@@ -77,6 +98,9 @@ def create_order_view(request, *a, **kw):
         else:
             return Response({"error": orderitem_serializer.errors})
 
+    # Validate the order instance 
+    # This is done to allow the price transaction inside the save method to now take place
+    # since all the orderitems have now been added to the created order
     order.validated = True
     order.save()
 

src/apps/shop/models.py

@@ -4,6 +4,7 @@
 from apps.common.models import TimeStampedUUIDModel
 from django.utils.translation import gettext_lazy as _
 import uuid
+from django.urls import reverse
 
 User = get_user_model()
 
@@ -29,6 +30,10 @@ def save(self, *a, **kw) -> None:
     def __str__(self):
         return f"Shop-{self.shop_name}"
 
+    @property
+    def get_absolute_url(self):
+        return reverse('shop:shop-detail', kwargs={'shop_id': self.shop_id})
+
 
 class StaffMember(TimeStampedUUIDModel):
     STAFF_ROLES = (

src/apps/shop/serializers.py

@@ -1,8 +1,18 @@
 from rest_framework import serializers
 from .models import Shop
+from django.urls import reverse
+from django.http import HttpRequest
+
 
 class ShopListSerializer(serializers.ModelSerializer):
+    # url = serializers.SerializerMethodField(read_only=True)
+    url = serializers.HyperlinkedIdentityField(
+        view_name='shop:shop-detail',
+        lookup_field='shop_id'  
+    )
 
+    place_order_url = serializers.SerializerMethodField(read_only=True)
+
     class Meta:
         model = Shop
         fields = [
@@ -13,8 +23,23 @@ class Meta:
             "is_verified",
             "shop_id",
             "logo",
+            "url",
+            "place_order_url",
         ]
 
+    def __init__(self, instance=None, data=serializers.empty, context=None, **kwargs):
+        # Access the request from the context
+        self.request = context.get('request') if context else None
+
+        # Your custom initialization logic here, using the request if needed
+
+        super().__init__(instance=instance, data=data, context=context, **kwargs)
+
+    def get_place_order_url(self, obj):
+        relative_path = reverse("orders:order-create", kwargs={"shop_id": obj.shop_id})
+        full_path = self.request.build_absolute_uri(relative_path)
+        return full_path
+
 class ShopUpdateSerializer(serializers.ModelSerializer):
 
     class Meta:

src/apps/shop/views.py

@@ -16,7 +16,7 @@ def list_all_shop_view(request):
     """
 
     queryset = Shop.objects.all()    
-    serializer = ShopListSerializer(queryset, many=True)
+    serializer = ShopListSerializer(queryset, many=True, context={"request": request})
     print("this is a response")
 
     print(serializer.data)
@@ -25,12 +25,11 @@ def list_all_shop_view(request):
 
 
 @api_view(["GET"])
-@permission_classes([permissions.IsAuthenticated])
 def get_shop_detial(request, shop_id):
     shop = Shop.objects.filter(shop_id=shop_id)
     if shop.exists():
         shop_instance = shop.first()
-        serializer = ShopListSerializer(shop_instance)
+        serializer = ShopListSerializer(shop_instance, context={"request": request})
         return Response(serializer.data, status=status.HTTP_200_OK)
     else:
         return Response({"error": "Shop not found"}, status=status.HTTP_404_NOT_FOUND)