SimpleWebApp — Products API

A simple backend REST API built with ASP.NET Core 8, demonstrating CRUD operations, price range filtering, and validation using a Product entity and an in-memory EF Core database.

Technologies

• ASP.NET Core 8 — web API framework
• Entity Framework Core (InMemory) — data access, in-memory database for simplicity
• Swagger / Scalar — interactive API docs at /swagger in development
• xUnit — unit tests

Setup

Prerequisites

• .NET SDK 8.0+

Run

git clone https://github.com/Mylonas/SimpleWebApp.git
cd SimpleWebApp
dotnet restore
dotnet run --project TodoApi

The API starts at https://localhost:7XXX. Open /swagger in a browser to explore endpoints interactively.

Test

dotnet test

API Endpoints

CRUD

Method	Endpoint	Description
GET	/api/products	List all products
GET	/api/products/{id}	Get a product by ID
POST	/api/products	Create a product
PUT	/api/products/{id}	Update a product
DELETE	/api/products/{id}	Delete a product

Filtering

Method	Endpoint	Description
GET	/api/products/ByPriceRange?min=10&max=100	List products within a price range

Product Schema

{
  "id": 1,
  "name": "Apple",
  "price": 1.50,
  "category": "Fruit"
}

Error Handling

Status	Meaning
400	Invalid input (id mismatch, bad price range)
404	Product not found