Voting Application

🔗 Voting Application API

This is a backend application for a voting system where users can vote for candidates. It provides functionalities for user authentication, candidate management, and voting.

Features

• User sign up and login with Voter ID and password.
• User can view the list of candidates.
• User can vote for a candidate (only once).
• Admin can manage candidates (add, update, delete).
• Admin cannot vote.
• System can have only one admin.
• User can view live voting sorted by their vote count.

Technologies Used

• Node.js
• Express.js
• MongoDB
• JSON Web Tokens (JWT) for authentication and stateless token based authorization
• Bcrypt for password encryption/decryption

API Endpoints

Authentication

Sign Up

• POST /signup: Sign up a user

Login

• POST /login: Login a user

Candidates

Get Candidates

• GET /candidates: Get the list of candidates

Add Candidate

• POST /candidates: Add a new candidate (Admin only)

Update Candidate

• PUT /candidates/:id: Update a candidate by ID (Admin only)

Delete Candidate

• DELETE /candidates/:id: Delete a candidate by ID (Admin only)

Voting

Get Vote Count

• GET /candidates/vote/count: Get the count of votes for each candidate

Vote for Candidate

• POST /candidates/vote/:id: Vote for a candidate (User only)

User Profile

Get Profile

• GET /users/profile: Get user profile information

Change Password

• PUT /users/profile/password: Change user password