Implement_PizzaOrderSystem

pizza-Order.py

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+'''
+# Pizza Order Program
+
+Entites : 
+    1) Pizza  attributes (size, base_price,collection toppings)
+    2) Toppings  attributes (name, price)
+    3) Order  attributes (pizzas, total_price, discount,status('pending','completed','cancelled') , customer_id)
+    4) Customer  attributes (name, phone_number, email, address)  (future extend )
+    5) Payment  attributes (order_id, amount, payment_method('cash','card','online'), payment_status('pending','completed','failed'))  (future extend )
+    6) Menu  attributes (pizzas, toppings, prices)
+
+
+MENU = {
+    'pizzas': {
+        'base_price': 13.00,
+        'sizes': {
+            'small': {'price_modifier': -2.00, 'diameter': 10},
+            'medium': {'price_modifier': 0.00, 'diameter': 12},
+            'large': {'price_modifier': 2.00, 'diameter': 14}
+        }
+    },
+    'toppings': {
+        'pepperoni': 1.00,
+        'mushroom': 0.50,
+        'olive': 0.50,
+        'anchovy': 2.00,
+        'ham': 1.50,
+        'extra_cheese': 1.00
+    },
+    'drinks': {
+        'small': 2.00,
+        'medium': 3.00,
+        'large': 3.50
+    },
+    'wings': {
+        10: 5.00,
+        20: 9.00,
+        40: 17.50
+    }
+}
+
+Application Flow:
+    1) Welcome and Menu Display
+    2) Pizza Selection and customization
+    3) Additional Items (Drinks and Wings)
+    4) Order Summary and Confirmation
+    5) Payment Processing
+
+
+'''
+
+MENU = {
+    'pizza_sizes': {
+        'small': {'price_modifier': -2.00, 'diameter': 10},
+        'medium': {'price_modifier': 0.00, 'diameter': 12},
+        'large': {'price_modifier': 2.00, 'diameter': 14}
+    },
+    'pizzas': {
+        'margherita': {'base_price': 12.00},
+        'pepperoni': {'base_price': 14.00},
+        'veggie_supreme': {'base_price': 13.50}
+    },
+    'toppings': {
+        'pepperoni': 1.00,
+        'mushroom': 0.50,
+        'olive': 0.50,
+        'anchovy': 2.00,
+        'ham': 1.50,
+        'extra_cheese': 1.00
+    },
+    'drinks': {
+        'small': 2.00,
+        'medium': 3.00,
+        'large': 3.50
+    },
+    'wings': {
+        10: 5.00,
+        20: 9.00,
+        40: 17.50
+    }
+}
+
+class Pizza:
+
+    def __init__(self,name='margherita',size='medium'):
+        self.name = name
+        self.size = size
+        self.toppings = []
+        self.order_items = []
+        self.total_cost = 0.0
+
+    @staticmethod
+    def display_menu():
+        print("\n🍕 Welcome to Python Pizza 🍕\n")
+
+        print("--------- PIZZAS ---------")
+        for pizza_name, pizza_data in MENU['pizzas'].items():
+            print(f"\n{pizza_name.replace('_',' ').title()}:")
+            base = pizza_data['base_price']
+            for size, info in MENU['pizza_sizes'].items():
+                price = base + info['price_modifier']
+                print(f"  {size.title():<10} ({info['diameter']}”): ${price:.2f}")
+
+        print("\n---- TOPPINGS ----")
+        for topping, price in MENU['toppings'].items():
+            print(f"{topping.replace('_', ' ').title():<15} ${price:.2f}")
+
+        print("\n---- DRINKS ----")
+        for size, price in MENU['drinks'].items():
+            print(f"{size.title():<10} ${price:.2f}")
+
+        print("\n---- WINGS ----")
+        for qty, price in MENU['wings'].items():
+            print(f"{str(qty)+' pcs':<10} ${price:.2f}")
+
+        print("\n--------------------------")
+        print("⭐ Choose your pizza, size, and toppings")
+        print("⭐ Add drinks & wings for a combo deal\n")
+
+
+    def choose_pizza(self):
+        while True:
+            choice = input("Choose a pizza (margherita, pepperoni, veggie_supreme): ").strip().lower()
+            if choice in MENU['pizzas']:
+                self.name = choice
+                base_price= MENU['pizzas'][choice]['base_price']
+                self.total_cost += base_price
+                self.order_items.append((choice, base_price))
+                break
+            else:
+                print("Invalid choice. Please try again.")
+
+    def choose_size(self):
+        while True:
+            size = input("Choose a size (small, medium, large): ").strip().lower()
+            if size in MENU['pizza_sizes']:
+                self.size = size
+                size_modifier = MENU['pizza_sizes'][size]['price_modifier']
+                self.total_cost += size_modifier
+                self.order_items.append((size, size_modifier))
+                break
+            else:
+                print("Invalid size. Please try again.")
+
+    def choose_toppings(self):
+        while True:
+            topping = input("Add a topping (type 'done' when finished): ").strip().lower()
+            if topping == 'done':
+                break
+            elif topping in MENU['toppings']:
+               price = MENU['toppings'][topping]
+               self.total_cost += price
+               self.toppings.append(topping)
+               self.order_items.append((topping, price))
+
+            else:
+                print("Invalid topping. Please try again.")
+
+    def calculateBill(self):
+        print("\n --- ORDER SUMMARY ---")
+        for item ,price in self.order_items:
+            print(f"{item.replace('_',' ').title():<20} ${price:.2f}")
+        print("-"*35)
+        print(f"\nTotal Cost: ${self.total_cost:.2f}")
+
+    def order(self):
+        print("WELCOME TO PYTHON PIZZA!")
+        print("Here's our menu:")
+        self.display_menu()
+
+        self.choose_pizza()
+        self.choose_size()
+        self.choose_toppings()
+
+        self.calculateBill()
+
+p1 = Pizza()
+p1.order()