fetch boardgame images from BGG

image-fetcher.js

const Axios = require('axios');
const Path = require('path');
const Fs = require('fs');
const Url = require('url');

const OBJECT_ID = process.argv[2] || 230802;
const PAGE_NUMBER = process.argv[3] || 1;

const API_URL = `https://api.geekdo.com/api/images?ajax=1&gallery=all&nosession=1&objectid=${OBJECT_ID}&objecttype=thing&pageid=${PAGE_NUMBER}&showcount=50&size=thumb&sort=recent`;

const getJSON = async url => {
    try {
        const response = await Axios.get(url);
        const data = response.data;
        const LENGTH = data.images.length;
        for (const [index, image] of data.images.entries()) {
            console.log(`downloading ${index+1} / ${LENGTH} images.`);
            await download((''+(index+1)).padStart(3, '0'), image.imageurl_lg);
        }
        console.log('done.');
    } catch (e) {
    }
};

const download = async (index, url) => {
    const fileExtension = Path.extname(Url.parse(url).pathname);
    const filePath = Path.resolve(__dirname, 'images', index + fileExtension);
    const response = await Axios({
        method: 'GET',
        url: url,
        responseType: 'stream'
    });
    response.data.pipe(Fs.createWriteStream(filePath));

    return new Promise((resolve, reject) => {
        response.data.on('end', () => {
            resolve();
        });
        response.data.on('error', () => {
            reject();
        });
    });
};

getJSON(API_URL);

package.json

{
  "name": "bgg-image-fetch",
  "version": "0.0.1",
  "dependencies": {
    "axios": "^0.18.0"
  }
}