mcdata-to-json/lib/PlayerData.js

Node.js app to turn Minecraft .dat and .json files into unified json.

const fs = require("fs");
const path = require("path");

const NbtTools = require("./NbtTools");
const PATHS = require("./helpers/PathReference").paths;
const logger = require("./helpers/Logger").getLogger();
const { PLAYERS } = require("./Configuration");
const { promiseStringify } = require("./helpers/JsonPromises");

const DOMAIN = "PlayerData";

/**
 *
 */
function convertPlayerdatFiles() {
  const conversionPromises = [];
  for (const uuid of Object.keys(PLAYERS)) {
    if (fs.existsSync(path.join(PATHS.PLAYERDATA_DIR, `${uuid}.dat`))) {
      const TMP_PLAYER_DIR = path.join(PATHS.TEMP_PLAYERDATA_DIR, uuid);
      conversionPromises.push(
        fs.promises
          .readFile(path.join(PATHS.PLAYERDATA_DIR, `${uuid}.dat`))
          .then(NbtTools.promiseNbtJson)
          .then(NbtTools.promiseCondenseNbtJson)
          .then(promiseStringify)
          .then((stringified) => {
            return fs.promises.writeFile(path.join(TMP_PLAYER_DIR, "playerdata.json"), stringified);
          })
          .then(() => {
            logger.debug(`Finished conversion of ${PLAYERS[uuid]}'s ${uuid}.dat to JSON`, { domain: DOMAIN });
          })
          .catch((err) => {
            logger.error(`Conversion of playerdata.dat file failed. ${PLAYERS[uuid]}|${uuid}`, { domain: DOMAIN });
            logger.error(JSON.stringify(err), { domain: DOMAIN });
          })
      );
    } else {
      logger.warn(`No viable playerdata.dat for ${PLAYERS[uuid]}, ${uuid}.dat`, { domain: DOMAIN });
    }
  }
  logger.verbose(`Starting playerdata.dat conversion job for ${Object.keys(PLAYERS).length} players`, {
    domain: DOMAIN,
  });
  const startPlayerdataConversion = process.hrtime();
  Promise.all(conversionPromises)
    .then((res) => {
      const time = `${process.hrtime(startPlayerdataConversion)[1] / 1000000}ms`;
      logger.info(`All playerdata.dat conversion jobs finished. (${time})`, { domain: DOMAIN });
    })
    .catch((err) => {
      logger.error(`Batch conversion error: ${JSON.stringify(err)}`, { domain: DOMAIN });
    });
}

module.exports = {
  convertPlayerdatFiles,
};