feat: Diagrmas

Author: Programmer-RD-AI

docs/diagrams/classDiagram/classDiagram.mmd

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+---
+config:
+ theme: default
+ themeVariables:
+ primaryColor: "#1f77b4"
+ primaryTextColor: "#2d3436"
+ primaryBorderColor: "#2d3436" 
+ lineColor: "#2d3436"
+ secondaryColor: "#ffffff"
+ flowchart:
+ diagramPadding: 20
+ nodeSpacing: 50
+ rankSpacing: 50
+ defaultRenderer: elk
+ curve: ortho
+---
+classDiagram
+ class K2434232_Pizza {
+ -List[str] crusts
+ -List[str] sauces
+ -List[str] toppings
+ -List[str] cheeses
+ -str packaging
+ -Price price
+ +str __str__()
+ +float calculate_price()
+ +static Pizza from_string(str)
+ +float set(List, List, List, bool)
+ +List[str] crusts
+ +List[str] sauces
+ +List[str] toppings
+ +List[str] cheeses
+ +str packaging
+ +float price_total
+ }
+
+ class K2434232_User {
+ -int user_id_counter
+ -int user_id
+ -str username
+ -str password
+ -str email
+ -Dict[Pizza, int] ordered_combinations
+ -List[Loyalty] loyalty_collection
+ +void add_order(Pizza)
+ +int get_order_count(Pizza)
+ +List[Pizza] get_popular_orders()
+ +str get_username()
+ +str get_password()
+ +str get_email()
+ +int get_loyalty()
+ }
+
+ class K2434232_Order {
+ -User user
+ -OrderState state
+ -List[OrderObserver] observers
+ -str order_id
+ -Pizza pizza
+ -Payment payment
+ +void attach(OrderObserver)
+ +void detach(OrderObserver)
+ +void notify_observers(str)
+ +void process_order()
+ +void set_state(OrderState)
+ }
+
+ class K2434232_Payment {
+ -Price amount
+ -User user
+ -PaymentStrategy strategy
+ -bool use_loyalty
+ +bool process_payment(bool)
+ +void set_strategy(PaymentStrategy)
+ +float calculate_discount()
+ }
+
+ class K2434232_PizzaBuilder {
+ -Pizza pizza
+ -int quantity
+ +PizzaBuilder set_crusts(List[str])
+ +PizzaBuilder set_sauces(List[str])
+ +PizzaBuilder set_toppings(List[str])
+ +PizzaBuilder set_cheeses(List[str])
+ +PizzaBuilder set_packaging(str)
+ +List[str] get_crusts()
+ +List[str] get_sauces()
+ +List[str] get_toppings()
+ +List[str] get_cheeses()
+ +str get_packaging()
+ +Pizza build()
+ }
+
+ class K2434232_OrderState {
+ <<abstract>>
+ +void next_state(Order)*
+ +str get_state_name()*
+ }
+
+ class K2434232_PlacedState {
+ +void next_state(Order)
+ +str get_state_name()
+ }
+
+ class K2434232_PreparingState {
+ +void next_state(Order)
+ +str get_state_name()
+ }
+
+ class K2434232_BakingState {
+ +void next_state(Order)
+ +str get_state_name()
+ }
+
+ class K2434232_DeliveredState {
+ +void next_state(Order)
+ +str get_state_name()
+ }
+
+ class K2434232_OrderObserver {
+ <<interface>>
+ +void update(str, str, OrderState)*
+ }
+
+ class K2434232_CustomerNotifier {
+ +void update(str, str, OrderState)
+ -void send_notification(str)
+ }
+
+ class K2434232_KitchenDisplay {
+ +void update(str, str, OrderState)
+ -void update_display(str)
+ }
+
+ class K2434232_PaymentStrategy {
+ <<interface>>
+ +bool process(Price)*
+ +void validate_payment()*
+ }
+
+ class K2434232_CreditCardStrategy {
+ -str card_number
+ -str cvv
+ +bool process(Price)
+ +void validate_payment()
+ }
+
+ class K2434232_PayPalStrategy {
+ -str email
+ +bool process(Price)
+ +void validate_payment()
+ }
+
+ class K2434232_DigitalWalletStrategy {
+ +bool process(Price)
+ +void validate_payment()
+ }
+
+ class K2434232_PizzaDecorator {
+ #PizzaBuilder builder
+ +Pizza apply()*
+ }
+
+ %% Extra Cheese Decorator
+ class K2434232_ExtraCheeseDecorator {
+ -int factor_of_extra_cheese
+ +ExtraCheeseDecorator(PizzaBuilder, int)
+ +PizzaBuilder apply()
+ }
+
+ %% Seasonal Promotions Decorator
+ class K2434232_SeasonalPromotionsDecorator {
+ -Dict holiday_seasons
+ +SeasonalPromotionsDecorator(Union[PizzaBuilder, PizzaCustomizationHandler, str, Pizza])
+ +bool is_holiday_season()
+ +PizzaBuilder apply(Fore, Style)
+ }
+ 
+ %% Get Pizza For Free Decorator
+ class K2434232_GetPizzaForFreeDecorator {
+ -int factor_of_free
+ +GetPizzaForFreeDecorator(Union[PizzaBuilder, PizzaCustomizationHandler, PizzaDecorator], int)
+ +PizzaBuilder apply()
+ }
+
+ class K2434232_SeasonalToppingsDecorator {
+ +Pizza apply()
+ }
+
+ class K2434232_Price {
+ -float base_amount
+ -float tax
+ -float discount
+ +float calculate_total()
+ +void apply_discount(float)
+ +float get_price()
+ +void price_calculator_for_cheeses(List[str])
+ +void price_calculator_for_crusts(List[str])
+ +void price_calculator_for_sauces(List[str])
+ +void price_calculator_for_toppings(List[str])
+ }
+
+ %% Core Composition Relationships with Orthogonal Lines
+ Order o-- "1" Pizza
+ Order o-- "1" User
+ Order o-- "1" OrderState
+ Order o-- "1" Payment 
+ Order o-- "*" OrderObserver
+ Payment o-- "1" PaymentStrategy
+ PizzaBuilder o-- "1" PizzaDecorator
+ PizzaBuilder o-- "1" Pizza
+ Pizza o-- "1" Price
+
+ %% State Pattern Inheritance (90-degree connections)
+ OrderState <|-- PlacedState : extends
+ OrderState <|-- PreparingState : extends
+ OrderState <|-- BakingState : extends 
+ OrderState <|-- DeliveredState : extends
+
+ %% Observer Pattern Implementation (Orthogonal)
+ OrderObserver <|.. CustomerNotifier : implements
+ OrderObserver <|.. KitchenDisplay : implements
+
+ %% Strategy Pattern Implementation
+ PaymentStrategy <|.. CreditCardStrategy : implements
+ PaymentStrategy <|.. PayPalStrategy : implements
+ PaymentStrategy <|.. DigitalWalletStrategy : implements
+
+ %% Decorator Pattern Extensions
+ PizzaDecorator <|-- ExtraCheeseDecorator : extends
+ PizzaDecorator <|-- SeasonalPromotionsDecorator : extends
+ PizzaDecorator <|-- GetPizzaForFreeDecorator : extends
+ PizzaDecorator <|-- SeasonalToppingsDecorator : extends
+
+ %% Layout Direction
+ direction TB