updatefeaturechoices.js

var http = require('http');
var fs = require('fs');

const args = process.argv;
let data_type = args[2]
let class_name = args[3]

fill_in_features();


function getFeaturesFromAPI(callback) {
		var url = 'http://www.dnd5eapi.co/api/features/';
        // console.log(url);

		http.get(url, (res) => {
			const statusCode = res.statusCode;
			const contentType = res.headers['content-type'];

            // console.log('were in');

			let error;
			if (statusCode !== 200) {
				error = new Error(`Request Failed.\n` +
								`Status Code: ${statusCode}`);
			} else if (!/^application\/json/.test(contentType)) {
				error = new Error(`Invalid content-type.\n` +
								`Expected application/json but received ${contentType}`);
			}
			if (error) {
				console.log(error.message);
				// consume response data to free up memory
				res.resume();
				return;
			}

			res.setEncoding('utf8');
			let rawData = '';
			res.on('data', (chunk) => rawData += chunk);
			res.on('end', () => {
				try {

                    let results = [];
					let parsedData = JSON.parse(rawData);
					parsedData.results.forEach( (obj) => {
						results.push(obj);
					})

                    callback(results);
                    
				} catch (e) {
					console.log(e.message);
				}
			});
		}).on('error', (e) => {
			console.log(`Got error: ${e.message}`);
		});
}

function sleep(seconds){
    var waitUntil = new Date().getTime() + seconds;
    while(new Date().getTime() < waitUntil) true;
}


function fill_in_features(datatype_string, class_name) {
	
	let input_filename = "./5e-SRD-" + "features" + ".json"

	let fill_in = (err,data) => {

		data = JSON.parse(data);

        newData = [];

        // for each feature
        getFeaturesFromAPI((filled) => {
            

            for(let i = 0; i < data.length; i++) {
                // filled is the correct list.
                // we want to go through each choice'd feature and update its list
                if (data[i].choice !== undefined) {

                    data[i].choice.from.forEach( (wrongFeature) => {
                        wrongFeature.url = filled.find( (correctFeature) => {
                            return correctFeature.name == wrongFeature.name;
                        }).url;
                    })

                    newData.push(data[i]);
                }


                if (newData.length == 28) {
                    let output_filename = "./upload-5e-SRD-" + datatype_string + ".json";
                    fs.writeFile(output_filename, JSON.stringify(data), (err) => {
                        if (err) throw err;
                        console.log('Success');
                        console.log("mongoimport -h ds133158.mlab.com:33158 -d 5e-srd-api -c " + datatype_string + " -u admin -p password --file upload-5e-SRD-" + datatype_string + ".json --jsonArray")
                    });
                    break;
                }
            } 
        });


	}

	fs.readFile(input_filename, 'utf8', (err,data) => {
		fill_in(err,data);
	})



}

// mongoimport -h ds133158.mlab.com:33158 -d 5e-srd-api -c classfeatures -u admin -p password --file upload-5e-SRD-classfeatures.json --jsonArray