# akashbuddha/qr-based-food-ordering-system architecture

> Architecture diagram of the GitHub repository akashbuddha/qr-based-food-ordering-system, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-10-01). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/akashbuddha/qr-based-food-ordering-system
- Repository: https://github.com/akashbuddha/qr-based-food-ordering-system

## Overview

This is a Django QR-based restaurant ordering system. Its documented customer workflow runs from scanning a table QR code through viewing a menu and placing an order to the restaurant receiving it; restaurant users also manage menus and tables and generate QR codes. The graph preserves those capabilities and the documented MySQL-backed web application. Source excerpts were unavailable, so relationships are based on the README’s workflow and feature descriptions, not inspected runtime calls.

Main entry points: [`FoodOrderingApp/templates/ScanQR.html`](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/ScanQR.html) (Scan table QR), [`FoodOrderingApp/templates/UserScreen.html`](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/UserScreen.html) (View menu), [`FoodOrderingApp/views.py`](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py) (Place order), [`FoodOrderingApp/templates/AddChairs.html`](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/AddChairs.html) (Manage tables)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_ordering["Customer ordering"]
  node_scan["Scan table QR<br/>[ScanQR.html]"]
  node_menu["View menu<br/>[UserScreen.html]"]
  node_food["Select food<br/>[UserScreen.html]"]
  node_place["Place order<br/>[views.py]"]
end

subgraph group_restaurant["Restaurant operations"]
  node_receive["Receive orders"]
  node_manage_menu["Manage menu<br/>[CreateMenu.html]"]
  node_manage_tables["Manage tables<br/>[AddChairs.html]"]
  node_generate_qr["Generate QR codes<br/>[views.py]"]
end

subgraph group_web["Web application"]
  node_web_routes["Application routes<br/>[urls.py]"]
  node_handlers["Request handlers<br/>[views.py]"]
  node_web_templates["Web interface"]
end

subgraph group_data["Persistence"]
  node_models["Domain models<br/>[models.py]"]
  node_mysql[("MySQL database")]
end

node_customer(("Customer"))
node_restaurant_user(("Restaurant user"))

node_customer -->|"scans QR"| node_scan
node_scan -->|"opens menu"| node_menu
node_menu -->|"selects items"| node_food
node_food -->|"places order"| node_place
node_place -->|"delivers order"| node_receive
node_restaurant_user -->|"manages menu"| node_manage_menu
node_restaurant_user -->|"manages tables"| node_manage_tables
node_manage_tables -->|"generates codes"| node_generate_qr
node_generate_qr -->|"codes tables"| node_scan
node_handlers -->|"uses database"| node_mysql

click node_scan "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/ScanQR.html"
click node_menu "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/UserScreen.html"
click node_food "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/UserScreen.html"
click node_place "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py"
click node_receive "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/RestaurantScreen.html"
click node_manage_menu "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/CreateMenu.html"
click node_manage_tables "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/AddChairs.html"
click node_generate_qr "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py"
click node_web_routes "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/urls.py"
click node_handlers "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py"
click node_web_templates "https://github.com/akashbuddha/qr-based-food-ordering-system/tree/main/FoodOrderingApp/templates"
click node_models "https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/models.py"

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_scan,node_menu,node_food,node_place,node_restaurant_user toneBlue
class node_receive,node_manage_menu,node_manage_tables,node_generate_qr toneAmber
class node_web_routes,node_handlers,node_web_templates toneMint
class node_models,node_mysql toneRose
class node_customer toneIndigo
```

## Components

### Customer ordering

- [Scan table QR](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/ScanQR.html): `FoodOrderingApp/templates/ScanQR.html`
- [View menu](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/UserScreen.html): `FoodOrderingApp/templates/UserScreen.html`
- [Select food](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/UserScreen.html): `FoodOrderingApp/templates/UserScreen.html`
- [Place order](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py): `FoodOrderingApp/views.py`

### Restaurant operations

- [Receive orders](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/RestaurantScreen.html): `FoodOrderingApp/templates/RestaurantScreen.html`
- [Manage menu](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/CreateMenu.html): `FoodOrderingApp/templates/CreateMenu.html`
- [Manage tables](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/templates/AddChairs.html): `FoodOrderingApp/templates/AddChairs.html`
- [Generate QR codes](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py): `FoodOrderingApp/views.py`

### Web application

- [Application routes](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/urls.py): `FoodOrderingApp/urls.py`
- [Request handlers](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/views.py): `FoodOrderingApp/views.py`
- [Web interface](https://github.com/akashbuddha/qr-based-food-ordering-system/tree/main/FoodOrderingApp/templates): `FoodOrderingApp/templates`

### Persistence

- [Domain models](https://github.com/akashbuddha/qr-based-food-ordering-system/blob/main/FoodOrderingApp/models.py): `FoodOrderingApp/models.py`
- **MySQL database**

### Other components

- **Customer**
- **Restaurant user**

## Connections

- Customer → Scan table QR: scans QR (evidence: `README.md`)
- Scan table QR → View menu: opens menu (evidence: `README.md`)
- View menu → Select food: selects items (evidence: `README.md`)
- Select food → Place order: places order (evidence: `README.md`)
- Place order → Receive orders: delivers order (evidence: `README.md`)
- Restaurant user → Manage menu: manages menu (evidence: `README.md`)
- Restaurant user → Manage tables: manages tables (evidence: `README.md`)
- Manage tables → Generate QR codes: generates codes (evidence: `README.md`)
- Generate QR codes → Scan table QR: codes tables (evidence: `README.md`)
- Request handlers → MySQL database: uses database (evidence: `README.md`)