warrior-code-api/tasks/save-maps.js

API for Warrior-Code.

'use strict';

const fs = require('fs');
const path = require('path');
const config = require('config');
const mongoose = require('mongoose');

const MAPS_DIR = process.env.WARRIORJS_MAPS_DIR || path.join(__dirname, '..', 'maps');

// Initialize the connection to MongoDB.
mongoose.connect(`${config.get('MongoDB.uri')}/${config.get('MongoDB.dbName')}`);
console.log(`Database running at: ${config.get('MongoDB.uri')}/${config.get('MongoDB.dbName')}`);

const Map = require('../models/Map');

//
// TODO: Promisify this...
//

Map.count((err, count) => {
  let mapsCheck = 0;

  console.log(`There are ${count} maps in the system before the update.`);
  console.log();

  // Read all the maps on the `maps` directory.

  let files = fs.readdirSync(MAPS_DIR);
  console.log(`There are ${files.length} maps in the maps directory.`);
  console.log(`(MAPS_DIR: ${MAPS_DIR})`);
  console.log();

  const ifDoneExit = () => {
    if (mapsCheck >= files.length) {
      Map.count((err, count) => {
        console.log(`There are ${count} maps in the system after the update.`);
        console.log();

        process.exit();
      });
    }
  }

  // Check if the map exists in the database.

  for (let file of files) {
    Map.findOne({dataFile: file}, (err, map) => {
      if (map) {
        mapsCheck += 1;
        return ifDoneExit();
      }

      // If the map does not exists. Create it.

      map = new Map({
        world: 'demo',
        dataFile: file,
        name: file.split('.')[0]
      });

      map.save((err, map) => {
        mapsCheck += 1;

        ifDoneExit();
      });
    });
  }

  // process.exit();
});