Solution/Alex

app/car.py

@@ -0,0 +1,14 @@
+from dataclasses import dataclass
+
+
+@dataclass
+class Car:
+    brand: str
+    fuel_consumption: int | float
+
+    def fuel_cost(
+            self,
+            distance: int | float,
+            fuel_price: int | float
+    ) -> float:
+        return (distance / 100) * self.fuel_consumption * fuel_price

app/customer.py

@@ -0,0 +1,21 @@
+from typing import List
+from dataclasses import dataclass
+from app.car import Car
+
+
+@dataclass
+class Customer:
+    name: str
+    product_cart: dict
+    location: List[int]
+    money: int | float
+    car: Car
+
+    def money_start(self) -> None:
+        print(f"{self.name} has {self.money} dollars")
+
+    def ride_to_home(self) -> None:
+        print(f"{self.name} rides home")
+
+    def money_end(self) -> None:
+        print(f"{self.name} now has {self.money} dollars\n")

app/main.py

@@ -1,3 +1,55 @@
-def shop_trip():
-    # write your code here
-    pass
+import json
+import os
+
+from app.car import Car
+from app.customer import Customer
+from app.shop import Shop
+
+
+def shop_trip() -> None:
+    current_directory = os.getcwd()
+    configuration_file = "app/config.json"
+    file_path = os.path.join(current_directory, configuration_file)
+    with open(file_path, "r") as file:
+        data = json.load(file)
+        fuel_price = data["FUEL_PRICE"]
+        customers = data["customers"]
+        customer_list = [
+            Customer(customer["name"],
+                     customer["product_cart"],
+                     customer["location"],
+                     customer["money"],
+                     Car(customer["car"]["brand"],
+                         customer["car"]["fuel_consumption"],
+                         )) for customer in customers
+        ]
+
+        shops = data["shops"]
+        shop_list = [
+            Shop(shop["name"],
+                 shop["location"],
+                 shop["products"]
+                 ) for shop in shops
+        ]
+
+        for customer in customer_list:
+            customer.money_start()
+            shops_cost = {}
+            for shop in shop_list:
+                products_cost = shop.products_cost(customer)
+                fuel_cost = customer.car.fuel_cost(shop.distance(customer),
+                                                   fuel_price)
+                trip_cost = round(products_cost + fuel_cost * 2, 2)
+                print(f"{customer.name}'s trip to the "
+                      f"{shop.name} costs {trip_cost}")
+                shops_cost.update({trip_cost: shop})
+                min_shop = shops_cost[min(shops_cost)]
+            if customer.money >= min(shops_cost):
+                min_shop.ride_to_shop(customer)
+                min_shop.print_receipt(customer)
+                customer.ride_to_home()
+                customer.money -= min(shops_cost)
+                customer.money_end()
+            else:
+                print(f"{customer.name} doesn't have enough "
+                      f"money to make a purchase in any shop")

app/shop.py

@@ -0,0 +1,41 @@
+import math
+import datetime
+
+from dataclasses import dataclass
+from typing import List
+from app.customer import Customer
+
+
+def format_num(num: int | float) -> int | float:
+    float_num = float(round(num, 2))
+    return int(float_num) if float_num.is_integer() else float_num
+
+
+@dataclass
+class Shop:
+    name: str
+    location: List[int]
+    products: dict
+
+    def distance(self, customer: Customer) -> float:
+        return math.dist(self.location, customer.location)
+
+    def ride_to_shop(self, customer: Customer) -> None:
+        print(f"{customer.name} rides to {self.name}\n")
+
+    def products_cost(self, customer: Customer) -> int | float:
+        return sum(self.products[prod] * customer.product_cart[prod]
+                   for prod in self.products.keys())
+
+    def print_receipt(self, customer: Customer) -> None:
+        total = 0
+        date = datetime.datetime.now().strftime("%d/%m/%Y %H:%M:%S")
+        print(f"Date: {date}")
+        print(f"Thanks, {customer.name}, for your purchase!")
+        print("You have bought: ")
+        for prod, quantity in customer.product_cart.items():
+            price = quantity * self.products[prod]
+            total += price
+            print(f"{quantity} {prod}s for {format_num(price)} dollars")
+        print(f"Total cost is {total} dollars\n"
+              f"See you again!\n")