65 mins

app/ShyBadger/src/endpoints/BasketEndpoint.py

@@ -1,8 +1,28 @@
-from flask_restful import Resource, reqparse
+from flask_restful import Resource
-import flask
+from flask import session, Response, request
+import uuid
+
+from src.services import BasketService
 
 class Basket(Resource):
-    def get(self, id = None):
+    basket_service = BasketService()
-        if id is None:
+
-            flask.make_response(flask.jsonify({'error': "No ID supplied"}), 401)
+    def get_session_id():
-        return flask.Response({"data": {}},  mimetype='image/png')
+        # first interaction with server sets session_id
+        # would need to research if this is ideal
+        return str(uuid.uuid4())
+
+    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")
+
+    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)
+        for entry in jsonData["items"]:
+            self.basket_service.scan(entry["item_id"])
+        return Response(HTTPStatus=201)

app/ShyBadger/src/main.py

@@ -7,6 +7,7 @@ import logging
 import endpoints.BasketEndpoint as BasketEndpoint
 
 app = Flask(__name__)
+app.secret_key = 'SUPER_DUPER_BAD_SECRET_KEY'
 api = Api(app)
 logging.basicConfig(level=logging.DEBUG)
 api.add_resource(BasketEndpoint.Basket,'/api/v1/basket/')

app/ShyBadger/src/services/DealsService.py

@@ -9,7 +9,13 @@ class DealsService:
     promotions = defaultdict(list)
 
     def __init__(self) -> None:
+        # placeholder data
+        # promiootion can be read dznamically from db
         self.promotions["A0001"].append("two_for_one")
+        self.promotions["A0002"].append("ten_percent_off")
+
+        # deal behavior needs to be programmed an can only be 
+        # changed with the rollout of a new version, 
         self.deals["two_for_one"] = DealsService.two_for_one_deal
     
 
@@ -52,3 +58,18 @@ class DealsService:
         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 '''
+        # 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
+
+        deal_is_applicable = True
+
+        for i in range(len(group)):
+            group[i].price = _round_up(group[i].price * 0.9)
+        return deal_is_applicable