lil131/blockchain-backed-rating-system

a blockchain backed rating system for movies

Developer Challenge - Movie Rating System

Introduction

This is a blockchain backed rating system for movies It allows user to browser and rate movies.

Start it up

Before start

1. dependency

Install all the dependecy at both frontend & backend with npm install

2. deploy contract

Rating data is saved in Kaleido. Use the following commands to deploy a contract:

cd backend/scripts/
node bootstrap.js

Deployed instance and openapi will be printed out in terminal. Copy backend/config.example.js to backend/config.js and replace the value of CONTRACT_INSTANCE and OPENAPI with the printed values.

3. crawl data

The repo has already included pre-crawled data of 250 movies from IMDb, saved in backend/data.json. Use the following steps to re-crawl:

cd backend/scripts
node crawler.js

Run for production

Build the client with the following command

cd frontend
npm run-script build

Start the server:

cd backend
NODE_ENV=production npm start

Type http://localhost:4000/ in browser to start using the system.

Run for development

Start the backend in one terminal:

cd backend
npm start

Start the frontend development server in another terminal:

cd frontend
npm start

Features

List movies

List movies with posters, titles, average ratings, etc. Movies can be sorted by rating, publish time or popularity.

Rate movie

Clicking the movie card will open a drawer showing the detailed movie information and allow user to rate the movie.

Search movie

Typing title keywords will instantly get the related movies.

Responsive

Responsive to different viewsize.

Mobile screen	Mobile screen