Develop

app/car.py

@@ -0,0 +1,14 @@
+import math
+
+
+class Car:
+    def __init__(self, brand: str, fuel_consumption: float) -> None:
+        self.brand = brand
+        self.fuel_consumption = fuel_consumption
+
+    def fuel_cost(self, distance: float, fuel_price: float) -> float:
+        return (distance / 100) * fuel_price * self.fuel_consumption
+
+    @staticmethod
+    def calculate_distance(home: list, shop: list) -> float:
+        return math.sqrt((shop[0] - home[0]) ** 2 + (shop[1] - home[1]) ** 2)

app/customer.py

@@ -0,0 +1,53 @@
+from typing import Any
+from app.shop import Shop
+from app.car import Car
+
+
+class Customer:
+    def __init__(self,
+                 client_name: str,
+                 client_products: dict,
+                 location: list,
+                 money: float,
+                 car: dict) -> None:
+        self.client_name = client_name
+        self.client_products = client_products
+        self.location = location
+        self.money = money
+        self.car = Car(car["brand"], car["fuel_consumption"])
+
+    def total_cost(self, shop: Shop, fuel_price: float) -> float:
+        distance = self.car.calculate_distance(self.location, shop.location)
+        fuel_cost = self.car.fuel_cost(distance * 2, fuel_price)
+        product_cost = shop.products_cost(self.client_products)
+        return fuel_cost + product_cost
+
+    def right_store(self, shops: list, fuel_price: float) -> Any:
+        best_cost = float("inf")
+        best_shop = None
+        for shop in shops:
+            total_cost = self.total_cost(shop, fuel_price)
+            print(f"{self.client_name}'s trip to the "
+                  f"{shop.name} costs {round(total_cost, 2)}")
+            if 0 < total_cost < best_cost:
+                best_cost = total_cost
+                best_shop = shop
+        if self.money > best_cost:
+            print(f"{self.client_name} rides to {best_shop.name}\n")
+        return best_shop, best_cost
+
+    def trip_or_stay_home(self, shop: Shop, fuel_price: float) -> None:
+        total_cost = self.total_cost(shop, fuel_price)
+        product_cost = shop.products_cost(self.client_products)
+        if self.money > total_cost:
+            self.money -= total_cost
+            self.location = shop.location
+            shop.purchase_receipt(self.client_name,
+                                  self.client_products,
+                                  product_cost)
+            print(f"\n{self.client_name} rides home")
+            print(f"{self.client_name} now has"
+                  f" {round(self.money, 2)} dollars\n")
+        else:
+            print(f"{self.client_name} doesn't have enough"
+                  f" money to make a purchase in any shop")

app/main.py

@@ -1,3 +1,30 @@
-def shop_trip():
-    # write your code here
-    pass
+import os
+import json
+from app.customer import Customer
+from app.shop import Shop
+
+
+def shop_trip() -> None:
+    config_path = os.path.join(os.getcwd(), "app", "config.json")
+    with open(config_path) as file:
+        info = json.load(file)
+
+    fuel_price = info["FUEL_PRICE"]
+    customers = [
+        Customer(customer["name"],
+                 customer["product_cart"],
+                 customer["location"],
+                 customer["money"],
+                 customer["car"])
+        for customer in info["customers"]
+    ]
+    shops = [
+        Shop(shop["name"],
+             shop["location"],
+             shop["products"])
+        for shop in info["shops"]]
+
+    for customer in customers:
+        print(f"{customer.client_name} has {customer.money} dollars")
+        best_shop, best_cost = customer.right_store(shops, fuel_price)
+        customer.trip_or_stay_home(best_shop, fuel_price)

app/shop.py

@@ -0,0 +1,29 @@
+class Shop:
+    def __init__(self, name: str, location: list, products: dict) -> None:
+        self.name = name
+        self. location = location
+        self.products = products
+
+    def products_cost(self, client_products: dict) -> int:
+        total = 0
+        for product_name, amount in client_products.items():
+            if product_name in self.products:
+                total += self.products[product_name] * amount
+            else:
+                return -1
+        return total
+
+    def purchase_receipt(self,
+                         client_name: str,
+                         client_products: dict,
+                         total_cost: float) -> None:
+        print("Date: 04/01/2021 12:33:41")
+        print(f"Thanks, {client_name}, for your purchase!")
+        print("You have bought:")
+        for product_name, amount in client_products.items():
+            value = round(self.products[product_name] * amount, 2)
+            final_value = int(value) if isinstance(value, float) and value.is_integer() else value
+            print(f"{amount} {product_name}s for"
+                  f" {round(final_value, 2)} dollars")
+        print(f"Total cost is {round(total_cost, 2)} dollars")
+        print("See you again!")