# knreddy03/cartflow architecture

> Architecture diagram of the GitHub repository knreddy03/cartflow, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-25). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/knreddy03/cartflow
- Repository: https://github.com/knreddy03/cartflow

## Overview

Cart Flow is a storefront and commerce API: shoppers browse a catalog, authenticate, manage a cart, and turn it into an order; the backend also supports account and catalog management. The frontend route map and backend application registration are visible, as are selected service and persistence interactions. Feature-page data wiring and most endpoint-to-service calls are not sampled, so those links are omitted rather than inferred.

Main entry points: [`frontend/src/routes/router.tsx`](https://github.com/knreddy03/cartflow/blob/main/frontend/src/routes/router.tsx) (Page routes), [`backend/app/dependencies/service.py`](https://github.com/knreddy03/cartflow/blob/main/backend/app/dependencies/service.py) (Service wiring), [`backend/app/main.py`](https://github.com/knreddy03/cartflow/blob/main/backend/app/main.py) (FastAPI app), [`backend/app/services/order_service.py`](https://github.com/knreddy03/cartflow/blob/main/backend/app/services/order_service.py) (Order service)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_web["Storefront"]
  node_frontend["React entry<br/>[main.tsx]"]
  node_routes["Page routes<br/>[router.tsx]"]
  node_catalog_ui["Catalog pages"]
  node_category_ui["Category pages<br/>[CategoryPage.tsx]"]
  node_home_ui["Home page<br/>[Home.tsx]"]
  node_auth_ui["Auth pages<br/>[Login.tsx]"]
  node_profile_ui["Profile page<br/>[Profile.tsx]"]
end

subgraph group_api["Backend API"]
  node_backend_app["FastAPI app<br/>[main.py]"]
  node_auth_api["Auth routes<br/>[auth.py]"]
  node_catalog_api["Catalog routes<br/>[product.py]"]
  node_cart_api["Cart routes<br/>[cart.py]"]
  node_order_api["Order routes<br/>[order.py]"]
end

subgraph group_domain["Commerce services"]
  node_auth_service["Auth service<br/>[auth_service.py]"]
  node_order_service["Order service<br/>[order_service.py]"]
  node_catalog_services["Catalog services<br/>[product_service.py]"]
  node_cart_service["Cart service<br/>[cart_service.py]"]
  node_service_wiring["Service wiring<br/>[service.py]"]
end

subgraph group_data["Persistence"]
  node_product_repo["Product repository"]
  node_database[("SQL database<br/>[database.py]")]
  node_models["Domain models<br/>[order.py]"]
end

node_shopper(("Shopper"))

node_shopper -->|"uses"| node_frontend
node_frontend -->|"loads"| node_routes
node_routes -->|"routes"| node_home_ui
node_routes -->|"routes"| node_category_ui
node_routes -->|"routes"| node_catalog_ui
node_routes -->|"routes"| node_auth_ui
node_routes -->|"routes"| node_profile_ui
node_backend_app -->|"registers"| node_auth_api
node_backend_app -->|"registers"| node_catalog_api
node_backend_app -->|"registers"| node_cart_api
node_backend_app -->|"registers"| node_order_api
node_service_wiring -->|"constructs"| node_auth_service
node_service_wiring -->|"constructs"| node_order_service
node_service_wiring -->|"constructs"| node_cart_service
node_service_wiring -->|"constructs"| node_catalog_services
node_service_wiring -->|"constructs"| node_product_repo
node_order_service -->|"reads"| node_product_repo
node_order_service -->|"commits"| node_database
node_order_service -->|"creates"| node_models
node_auth_service -->|"commits"| node_database

click node_frontend "https://github.com/knreddy03/cartflow/blob/main/frontend/src/main.tsx"
click node_routes "https://github.com/knreddy03/cartflow/blob/main/frontend/src/routes/router.tsx"
click node_catalog_ui "https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/product/pages/ProductListingPage.tsx"
click node_category_ui "https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/category/pages/CategoryPage.tsx"
click node_home_ui "https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/home/pages/Home.tsx"
click node_auth_ui "https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/auth/pages/Login.tsx"
click node_profile_ui "https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/profile/pages/Profile.tsx"
click node_backend_app "https://github.com/knreddy03/cartflow/blob/main/backend/app/main.py"
click node_auth_api "https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/auth.py"
click node_catalog_api "https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/product.py"
click node_cart_api "https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/cart.py"
click node_order_api "https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/order.py"
click node_auth_service "https://github.com/knreddy03/cartflow/blob/main/backend/app/services/auth_service.py"
click node_order_service "https://github.com/knreddy03/cartflow/blob/main/backend/app/services/order_service.py"
click node_catalog_services "https://github.com/knreddy03/cartflow/blob/main/backend/app/services/product_service.py"
click node_cart_service "https://github.com/knreddy03/cartflow/blob/main/backend/app/services/cart_service.py"
click node_service_wiring "https://github.com/knreddy03/cartflow/blob/main/backend/app/dependencies/service.py"
click node_product_repo "https://github.com/knreddy03/cartflow/blob/main/backend/app/repositories/product_repository.py"
click node_database "https://github.com/knreddy03/cartflow/blob/main/backend/app/db/database.py"
click node_models "https://github.com/knreddy03/cartflow/blob/main/backend/app/models/order.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_frontend,node_routes,node_catalog_ui,node_category_ui,node_home_ui,node_auth_ui,node_profile_ui toneBlue
class node_backend_app,node_auth_api,node_catalog_api,node_cart_api,node_order_api toneAmber
class node_auth_service,node_order_service,node_catalog_services,node_cart_service,node_service_wiring toneMint
class node_product_repo,node_database,node_models toneRose
class node_shopper toneIndigo
```

## Components

### Storefront

- [React entry](https://github.com/knreddy03/cartflow/blob/main/frontend/src/main.tsx): `frontend/src/main.tsx`
- [Page routes](https://github.com/knreddy03/cartflow/blob/main/frontend/src/routes/router.tsx): `frontend/src/routes/router.tsx`
- [Catalog pages](https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/product/pages/ProductListingPage.tsx): `frontend/src/features/product/pages/ProductListingPage.tsx`
- [Category pages](https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/category/pages/CategoryPage.tsx): `frontend/src/features/category/pages/CategoryPage.tsx`
- [Home page](https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/home/pages/Home.tsx): `frontend/src/features/home/pages/Home.tsx`
- [Auth pages](https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/auth/pages/Login.tsx): `frontend/src/features/auth/pages/Login.tsx`
- [Profile page](https://github.com/knreddy03/cartflow/blob/main/frontend/src/features/profile/pages/Profile.tsx): `frontend/src/features/profile/pages/Profile.tsx`

### Backend API

- [FastAPI app](https://github.com/knreddy03/cartflow/blob/main/backend/app/main.py): `backend/app/main.py`
- [Auth routes](https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/auth.py): `backend/app/api/v1/auth.py`
- [Catalog routes](https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/product.py): `backend/app/api/v1/product.py`
- [Cart routes](https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/cart.py): `backend/app/api/v1/cart.py`
- [Order routes](https://github.com/knreddy03/cartflow/blob/main/backend/app/api/v1/order.py): `backend/app/api/v1/order.py`

### Commerce services

- [Auth service](https://github.com/knreddy03/cartflow/blob/main/backend/app/services/auth_service.py): `backend/app/services/auth_service.py`
- [Order service](https://github.com/knreddy03/cartflow/blob/main/backend/app/services/order_service.py): `backend/app/services/order_service.py`
- [Catalog services](https://github.com/knreddy03/cartflow/blob/main/backend/app/services/product_service.py): `backend/app/services/product_service.py`
- [Cart service](https://github.com/knreddy03/cartflow/blob/main/backend/app/services/cart_service.py): `backend/app/services/cart_service.py`
- [Service wiring](https://github.com/knreddy03/cartflow/blob/main/backend/app/dependencies/service.py): `backend/app/dependencies/service.py`

### Persistence

- [Product repository](https://github.com/knreddy03/cartflow/blob/main/backend/app/repositories/product_repository.py): `backend/app/repositories/product_repository.py`
- [SQL database](https://github.com/knreddy03/cartflow/blob/main/backend/app/db/database.py): `backend/app/db/database.py`
- [Domain models](https://github.com/knreddy03/cartflow/blob/main/backend/app/models/order.py): `backend/app/models/order.py`

### Other components

- **Shopper**

## Connections

- Shopper → React entry: uses
- React entry → Page routes: loads
- Page routes → Home page: routes
- Page routes → Category pages: routes
- Page routes → Catalog pages: routes
- Page routes → Auth pages: routes
- Page routes → Profile page: routes
- FastAPI app → Auth routes: registers
- FastAPI app → Catalog routes: registers
- FastAPI app → Cart routes: registers
- FastAPI app → Order routes: registers
- Service wiring → Auth service: constructs
- Service wiring → Order service: constructs
- Service wiring → Cart service: constructs
- Service wiring → Catalog services: constructs
- Service wiring → Product repository: constructs
- Order service → Product repository: reads
- Order service → SQL database: commits
- Order service → Domain models: creates
- Auth service → SQL database: commits