achanandhi-m / flask-webapp

# Flask Electricity Billing API

## Introduction
This Flask application provides an API for electricity billing. Users can log in and calculate their electricity bills based on meter readings.

## Installation
1. Install Flask and Flask-Session:
   ```bash
   pip install Flask Flask-Session

Usage

1. Clone the repository.
2. Navigate to the project directory.

Running the Application

python app.py

API Endpoints

1. / (Login Endpoint)

• Method: POST
• Input:
  • JSON:

    {
        "name": {{user}}
        "pass": {{pass}}
    }

• Output:
  • Success:

    {
        "message": "Success",
        "user": "John"
    }

  • Error:

    {
        "message": "User Not Found :("
    }

2. /bill (Bill Endpoint)

• Method: POST
• Input:
  • JSON:

    {
        "Previous": 50,
        "Present": 100
    }

• Output:
  • Success:

    {
        "message": "Success",
        "user": "John",
        "total_units_consumed": 50,
        "total_amount_rupees": 500
    }

  • Error:

    {
        "message": "Error"
    }

Testing with Postman

1. Open Postman.
2. Create a new request for each endpoint.
3. Set the request method to POST.
4. Enter the appropriate endpoint URL (e.g., http://localhost:5000/).
5. Add the required JSON parameters in the request body.
6. Click on the "Send" button to test the API