formatting

app/ShyBadger/src/endpoints/BasketEndpoint.py

@@ -4,6 +4,7 @@ import uuid
 
 from src.services import BasketService
 
+
 class Basket(Resource):
     basket_service = BasketService()
 
@@ -15,11 +16,13 @@ class Basket(Resource):
     def get(self):
         if "session_id" not in session:
             session["session_id"] = self.get_session_id()
-        return Response({"total": self.basket_service.total()}, mimetype="application/json")
+        return Response(
+            {"total": self.basket_service.total()}, mimetype="application/json"
+        )
 
     def post(self):
         # expects something similar: {"items": [{"item_id": abc002}]}
-        
+
         if "session_id" not in session:
             session["session_id"] = self.get_session_id()
         jsonData = request.get_json(force=True)

app/ShyBadger/src/main.py

@@ -7,14 +7,14 @@ import logging
 import endpoints.BasketEndpoint as BasketEndpoint
 
 app = Flask(__name__)
-app.secret_key = 'SUPER_DUPER_BAD_SECRET_KEY'
+app.secret_key = "SUPER_DUPER_BAD_SECRET_KEY"
 api = Api(app)
 logging.basicConfig(level=logging.DEBUG)
-api.add_resource(BasketEndpoint.Basket,'/api/v1/basket/')
+api.add_resource(BasketEndpoint.Basket, "/api/v1/basket/")
+
 
 @app.route("/")
 def index():
     """in lieu of a UI redirect to the API doc"""
     app.logger.info(f"request from {request.remote_addr}")
     return redirect("/api/doc/swagger.json", code=302)
-

app/ShyBadger/src/models/Item.py

@@ -1,6 +1,7 @@
 from dataclasses import dataclass
 
+
 @dataclass
 class Item:
     id: str
-    price: str
+    price: str

app/ShyBadger/src/run.py

@@ -2,4 +2,4 @@ from main import app
 
 # disabled threading for easier session handleing in this demo project
 # if threaded was True, as session store would be needed
-app.run(host="0.0.0.0", port='80', debug=False, threaded=False)
+app.run(host="0.0.0.0", port="80", debug=False, threaded=False)

app/ShyBadger/src/services/BasketService.py

@@ -1,4 +1,3 @@
-
 from collections import defaultdict
 from DealsService import DealsService
 from ProductService import ProductService
@@ -18,7 +17,7 @@ class BasketService:
         items = self.baskets[sessionID]
         prices = self.dealsService.get_items_with_final_prices(items)
         return sum(prices)
-    
+
     def scan(self, session_id: str, itemId) -> None:
         item = self.productService.get_item_from_id(itemId)
-        self.baskets[session_id].append(item)
+        self.baskets[session_id].append(item)

app/ShyBadger/src/services/DealsService.py

@@ -1,4 +1,3 @@
-
 from collections import defaultdict
 import math
 
@@ -14,10 +13,9 @@ class DealsService:
         self.promotions["A0001"].append("two_for_one")
         self.promotions["A0002"].append("ten_percent_off")
 
-        # deal behavior needs to be programmed an can only be 
+        # deal behavior needs to be programmed an can only be
-        # changed with the rollout of a new version, 
+        # changed with the rollout of a new version,
         self.deals["two_for_one"] = DealsService.two_for_one_deal
-    
 
     def get_items_with_final_prices(self, items) -> list:
         groups = defaultdict(list)
@@ -26,7 +24,7 @@ class DealsService:
             groups[obj.id].append(obj)
 
         for group in groups.values():
-            # the deals do not stack, the first deal in the list of deals is taken, 
+            # the deals do not stack, the first deal in the list of deals is taken,
             # ideally for the customer all deals would be calculated and the maximum value selected
             # not implemented for time reasons
 
@@ -40,36 +38,38 @@ class DealsService:
                     break
 
         return [item for group in groups.values() for item in group]
-    
+
     @staticmethod
     def two_for_one_deal(group):
-        '''' applies deal onto item group in place '''
+        """' applies deal onto item group in place"""
-        # ideally would be an object implementing a "Deal"-interface, 
+
-        # which has 2 functions, deal_is_applicable() and apply_deal() 
+        # ideally would be an object implementing a "Deal"-interface,
+        # which has 2 functions, deal_is_applicable() and apply_deal()
         def _round_up(self, val: float):
-            return math.ceil(val*100)/100
+            return math.ceil(val * 100) / 100
-        
+
         # could be compressed
         # not done since this would be the 2 different functions in the above mentioned interface
         deal_is_applicable = False
         if len(group) >= 2:
             deal_is_applicable = True
 
-        for i in range(len(group)//2):
+        for i in range(len(group) // 2):
             group[i].price = _round_up(group[i].price / 2)
         return deal_is_applicable
-    
+
     @staticmethod
     def ten_percent_off(group):
         # the percentage discount could be added to function signature
-        '''' applies deal onto item group in place '''
+        """' applies deal onto item group in place"""
-        # ideally would be an object implementing a "Deal"-interface, 
+
-        # which has 2 functions, deal_is_applicable() and apply_deal() 
+        # ideally would be an object implementing a "Deal"-interface,
+        # which has 2 functions, deal_is_applicable() and apply_deal()
         def _round_up(self, val: float):
-            return math.ceil(val*100)/100
+            return math.ceil(val * 100) / 100
 
         deal_is_applicable = True
 
         for i in range(len(group)):
             group[i].price = _round_up(group[i].price * 0.9)
-        return deal_is_applicable
+        return deal_is_applicable

app/ShyBadger/src/services/ProductService.py

@@ -2,7 +2,7 @@ from src.models import Item
 
 
 class ProductService:
-    # prices are global, sheduled function to refresh prices periodically 
+    # prices are global, sheduled function to refresh prices periodically
     # could save ressources under high load
     prices = dict()
 
@@ -11,6 +11,5 @@ class ProductService:
         self.prices["A0001"] = 12.99
         self.prices["A0002"] = 3.99
 
-
     def get_item_from_id(self, item_id: str) -> Item:
         return Item(id=item_id, price=self.prices.get(item_id))