Query mc.quarahtk.org API and parse data to extract nether brick used by selected players

main.js

const http = require('http');


/**********************
 * L I B R A R Y
 **********************/

/**
 * Make a request on the API
 * @param host hostname of the server, ex: mc.quarahtk.org
 * @param path url path of the server, ex: /raw_data
 * @param port port of the web server, ex: 80
 * @param method HTTP method to use for the query, ex: GET
 * @param callback function which be called when there is a result.
 *        cb(err,data) is err is not null, there is an error.
 */
requestAPI = function(host, path, port, method, cb) {
  var options = {
    port: port,
    hostname: host,
    method: method,
    path: path
  };

  var req = http.request(options, function(res) {
    var body = "";
    res.on('data', function (chunk) {
      body += chunk;
    });

    res.on('end', function() {
      try {
        cb(null, JSON.parse(body));
      } catch(e) {
        cb(e, null);
      }
    });
  });

  req.on('error', function (e) {
    cb(e,null);
  });

  req.end();
};

getList = function(host, port, cb) {
  requestAPI(host, "/raw_data/", port, "GET", cb);
};

getPlayer = function(host, port, id, cb) {
  requestAPI(host, "/raw_data/"+id+".json", port, "GET", cb);
};

getPlayerList = function(host, port, list, cb) {
  var todo = list.length;

  list.forEach(function(elem) {
    getPlayer(host,port,elem.uuid, function(err, data) {
      if (!err) elem.data = data;
      else elem.err = err;
      if (--todo == 0) cb(list);
    });
  });
};

/***********************
 * M A I N
 ***********************/

players = [
  {name: "hamilcare", uuid: "e18b05dd-d692-4f54-a656-20a39ca4460b"},
  {name: "cortayx", uuid: "42fd87ca-82bb-4d35-8d16-d06eb9d87a79"},
  {name: "nekraus", uuid: "496de51f-8662-4a00-842b-9802eeb8cc9b"},
  {name: "passion", uuid: "9d73f4a3-6bbe-4d93-98ff-59e31c523f25"}
];


var useItemNetherBrick = 0;
getPlayerList("mc.quarahtk.org", 80, players, function(list) {
  list.forEach(function(player) {
    console.log("----------\n"+player.name);
    console.log("stat.useItem.minecraft.nether_brick: ", player.data["stat.useItem.minecraft.nether_brick"]);
    useItemNetherBrick +=  player.data["stat.useItem.minecraft.nether_brick"];
  });

  console.log("-------------\nTOTAL");
  console.log("stat.useItem.minecraft.nether_brick: ", useItemNetherBrick);
});

output.txt

----------
hamilcare
stat.useItem.minecraft.nether_brick:  150
----------
cortayx
stat.useItem.minecraft.nether_brick:  9592
----------
nekraus
stat.useItem.minecraft.nether_brick:  2920
----------
passion
stat.useItem.minecraft.nether_brick:  3180
-------------
TOTAL
stat.useItem.minecraft.nether_brick:  15842

z_available_nether_brick_rack_stats.txt

  'stat.pickup.minecraft.nether_brick': 4782,
  'stat.useItem.minecraft.nether_brick': 2920,
  'stat.pickup.minecraft.nether_brick_fence': 30,
  'stat.useItem.minecraft.netherrack': 26,
  'stat.drop.minecraft.nether_brick': 59,
  'stat.mineBlock.minecraft.nether_brick_fence': 43,
  'stat.pickup.minecraft.netherrack': 4413,
  'stat.mineBlock.minecraft.netherrack': 3385,
  'stat.mineBlock.minecraft.nether_brick': 5254,
  'stat.craftItem.minecraft.netherbrick': 481,
  'stat.pickup.minecraft.netherbrick': 16,