Flask JSON API

This Flask application provides a simple JSON API for managing items stored in a JSON file (data.json).

Endpoints

GET /items

Returns a list of items filtered by query parameters.

Query Parameters:

• id: Filters items by ID.
• name: Filters items by name.

PUT /items

Updates an item by ID.

Request Body:

{
    "id": 1,
    "name": "Updated Item Name"
}

POST /items

Adds a new item.

Request Body:

{
    "id": 4,
    "name": "New Item"
}

DELETE /items/<item_id>

Deletes an item by its ID.

Error Handling

• 400 Bad Request: Missing parameters in request body.
• 404 Not Found: Item with specified ID does not exist.
• 409 Conflict: Item with specified ID already exists (POST operation).

Installation and Setup

1. Clone the repository.
2. Install dependencies: pip install -r requirements.txt
3. Run the Flask application: python app.py

Requirements

• Python 3.x
• Flask