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