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https://github.com/eric-souzams/node-polls-realtime

A real-time voting system where users can create a poll and other users can cast their votes in real-time.
https://github.com/eric-souzams/node-polls-realtime

docker fastify nodejs postgres prisma-orm redis websocket zod

Last synced: 22 days ago
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A real-time voting system where users can create a poll and other users can cast their votes in real-time.

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README

        

# Polls Realtime

A real-time voting system where users can create a poll and other users can cast their votes in real-time.

## Requisites

- Docker;
- Node.js v20;

## HTTP

### POST `/polls`

Create a new poll.

#### Request body

```json
{
"title": "Which programming language do you prefer?",
"options": [
"JavaScript",
"Java",
"PHP",
"C#"
]
}
```

#### Response body

```json
{
"pollId": "194cef63-2ccf-46a3-aad1-aa94b2bc89b0"
}
```

### GET `/polls/:pollId`

Return data from a single poll.

#### Response body

```json
{
"poll": {
"id": "e4365599-0205-4429-9808-ea1f94062a5f",
"title": "Which programming language do you prefer?",
"options": [
{
"id": "4af3fca1-91dc-4c2d-b6aa-897ad5042c84",
"title": "JavaScript",
"score": 1
},
{
"id": "780b8e25-a40e-4301-ab32-77ebf8c79da8",
"title": "Java",
"score": 0
},
{
"id": "539fa272-152b-478f-9f53-8472cddb7491",
"title": "PHP",
"score": 0
},
{
"id": "ca1d4af3-347a-4d77-b08b-528b181fe80e",
"title": "C#",
"score": 0
}
]
}
}
```

### POST `/polls/:pollId/votes`

Add a vote to specific poll.

#### Request body

```json
{
"pollOptionId": "31cca9dc-15da-44d4-ad7f-12b86610fe98"
}
```

## WebSockets

### ws `/polls/:pollId/results`

#### Message

```json
{
"pollOptionId": "da9601cc-0b58-4395-8865-113cbdc42089",
"votes": 2
}
```

## Setup

- Clone the repository;
- Install dependencies (`npm install`);
- Setup PostgreSQL and Redis (`docker compose up -d`);
- Copy `.env.example` file (`cp .env.example .env`);
- Run application (`npm run dev`);