# dhanush-143-kk/restaurantmanagementsystem architecture

> Architecture diagram of the GitHub repository dhanush-143-kk/restaurantmanagementsystem, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-28). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/dhanush-143-kk/restaurantmanagementsystem
- Repository: https://github.com/dhanush-143-kk/restaurantmanagementsystem

## Overview

This is a console-based restaurant management application. A user interacts through the menu in `app/Main.java`; the application delegates restaurant operations to `RestaurantService`, which manages in-memory menu, customer, and employee arrays and coordinates ordering. Orders progress from item selection through bill calculation and status updates. The model also represents customer loyalty discounts and employee/chef roles. The tree and sampled source show no persistent database or external integrations; the README is empty.

Main entry points: [`service/RestaurantService.java`](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/service/RestaurantService.java) (Restaurant service), [`model/Order.java`](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Order.java) (Order and billing), [`app/Main.java`](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/app/Main.java) (Console menu), [`model/Customer.java`](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Customer.java) (Customer)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_cli["Console interface"]
  node_main["Console menu<br/>[Main.java]"]
end

subgraph group_operations["Restaurant operations"]
  node_restaurant_service["Restaurant service"]
end

subgraph group_domain["Domain model"]
  node_person["Person base<br/>[Person.java]"]
  node_customer["Customer<br/>[Customer.java]"]
  node_employee["Employee<br/>[Employee.java]"]
  node_chef["Chef<br/>[Chef.java]"]
  node_menu_item["Menu item<br/>[MenuItem.java]"]
  node_order["Order and billing<br/>[Order.java]"]
  node_payable["Payable contract<br/>[Payable.java]"]
  node_order_status["Order status<br/>[OrderStatus.java]"]
end

node_user(("User"))

node_user -->|"selects options"| node_main
node_main -->|"requests operations"| node_restaurant_service
node_restaurant_service -->|"creates and reads"| node_menu_item
node_restaurant_service -->|"stores and looks up"| node_customer
node_restaurant_service -->|"seeds employee"| node_chef
node_restaurant_service -->|"creates and updates"| node_order
node_order -->|"reads prices and availability"| node_menu_item
node_order -->|"reads loyalty points"| node_customer
node_order -->|"sets status"| node_order_status
node_order -->|"implements"| node_payable
node_customer -->|"extends"| node_person
node_employee -->|"extends"| node_person
node_chef -->|"extends"| node_employee
node_main -->|"reads person count"| node_person
node_main -->|"requests staff display"| node_restaurant_service

click node_main "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/app/Main.java"
click node_restaurant_service "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/service/RestaurantService.java"
click node_person "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Person.java"
click node_customer "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Customer.java"
click node_employee "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Employee.java"
click node_chef "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Chef.java"
click node_menu_item "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/MenuItem.java"
click node_order "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Order.java"
click node_payable "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Payable.java"
click node_order_status "https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/OrderStatus.java"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_main,node_user toneBlue
class node_restaurant_service toneAmber
class node_person,node_customer,node_employee,node_chef,node_menu_item,node_order,node_payable,node_order_status toneMint
```

## Components

### Console interface

- [Console menu](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/app/Main.java): `app/Main.java`

### Restaurant operations

- [Restaurant service](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/service/RestaurantService.java): `service/RestaurantService.java`

### Domain model

- [Person base](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Person.java): `model/Person.java`
- [Customer](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Customer.java): `model/Customer.java`
- [Employee](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Employee.java): `model/Employee.java`
- [Chef](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Chef.java): `model/Chef.java`
- [Menu item](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/MenuItem.java): `model/MenuItem.java`
- [Order and billing](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Order.java): `model/Order.java`
- [Payable contract](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/Payable.java): `model/Payable.java`
- [Order status](https://github.com/dhanush-143-kk/restaurantmanagementsystem/blob/main/model/OrderStatus.java): `model/OrderStatus.java`

### Other components

- **User**

## Connections

- User → Console menu: selects options
- Console menu → Restaurant service: requests operations
- Restaurant service → Menu item: creates and reads
- Restaurant service → Customer: stores and looks up
- Restaurant service → Chef: seeds employee
- Restaurant service → Order and billing: creates and updates
- Order and billing → Menu item: reads prices and availability
- Order and billing → Customer: reads loyalty points
- Order and billing → Order status: sets status
- Order and billing → Payable contract: implements
- Customer → Person base: extends
- Employee → Person base: extends
- Chef → Employee: extends
- Console menu → Person base: reads person count
- Console menu → Restaurant service: requests staff display