Merge pull request #63 from CSCI-GA-2820-SP24-003/search-items-by-pro…

…duct-id

Search items by product

service/models/shop_cart_item.py

@@ -94,6 +94,16 @@ def find_by_name(cls, name):
         logger.info("Processing name query for %s ...", name)
         return cls.query.filter(cls.name == name).first()
 
+    @classmethod
+    def find_by_product_id(cls, product_id):
+        """Returns all ShopCart Items with the given product_id
+
+        Args:
+            product_id (string): the product_id of the ShopCart Item you want to match
+        """
+        logger.info("Processing lookup for product_id: %s", product_id)
+        return cls.query.filter(cls.product_id == product_id).first()
+
     # @classmethod
     # def find_by_shopcart_id(cls, shopcart_id):
     #     """Finds a ShopCart by its ID

service/routes.py

@@ -251,6 +251,39 @@ def get_shopcart_items(shopcart_id, item_id):
     return jsonify(item.serialize()), status.HTTP_200_OK
 
 
+######################################################################
+# RETRIEVE AN ITEM FROM SHOPCART BY PRODUCT ID
+######################################################################
+@app.route("/shopcarts/<int:shopcart_id>/products/<int:product_id>", methods=["GET"])
+def get_shopcart_items_by_product_id(shopcart_id, product_id):
+    """
+    Get an Item
+
+    This endpoint returns just an item using the product id
+    """
+    app.logger.info(
+        "Request to retrieve Item %s for ShopCart id: %s", (product_id, shopcart_id)
+    )
+
+    # Search for the shopcart
+    shopcart = ShopCart.find(shopcart_id)
+    if not shopcart:
+        abort(
+            status.HTTP_404_NOT_FOUND,
+            f"ShopCart with ID '{shopcart_id}' could not be found",
+        )
+
+    # See if the item exists and abort if it doesn't
+    item = ShopCartItem.find_by_product_id(product_id)
+    if not item:
+        abort(
+            status.HTTP_404_NOT_FOUND,
+            f"Product with id '{product_id}' could not be found.",
+        )
+
+    return jsonify(item.serialize()), status.HTTP_200_OK
+
+
 ######################################################################
 # DELETE AN ITEM FROM SHOPCART
 ######################################################################

tests/test_routes.py

@@ -342,6 +342,37 @@ def test_get_shopcart_item_when_no_shopcart(self):
         )
         self.assertEqual(resp.status_code, status.HTTP_404_NOT_FOUND)
 
+    def test_get_shopcart_item_by_product_id(self):
+        """It should Get an item from a shopcart by product id"""
+        # create a known item
+        shopcart = self._create_shopcarts(1)[0]
+        item = ShopCartItemFactory()
+        resp = self.client.post(
+            f"{BASE_URL}/{shopcart.id}/items",
+            json=item.serialize(),
+            content_type="application/json",
+        )
+        self.assertEqual(resp.status_code, status.HTTP_201_CREATED)
+
+        data = resp.get_json()
+        logging.debug(data)
+        product_id = data["product_id"]
+
+        # retrieve it back
+        resp = self.client.get(
+            f"{BASE_URL}/{shopcart.id}/products/{product_id}",
+            content_type="application/json",
+        )
+        self.assertEqual(resp.status_code, status.HTTP_200_OK)
+
+        data = resp.get_json()
+        logging.debug(data)
+        self.assertEqual(data["shop_cart_id"], shopcart.id)
+        self.assertEqual(data["name"], item.name)
+        self.assertEqual(data["product_id"], item.product_id)
+        self.assertEqual(data["quantity"], item.quantity)
+        self.assertEqual(data["price"], str(item.price))
+
     def test_delete_shopcart_item(self):
         """It should delete a shopcart item"""
         shopcart = self._create_shopcarts(1)[0]