init.js

var async = require('async');

var init = {};

var userRankService = require('./tleModuleServices/userRankService');
var problemRankService = require('./tleModuleServices/problemRankService');
var recentSubmissionService = require('./tleModuleServices/recentSubmissionService');

init.initializeRedis = function (callback) {
  async.parallel([
    function (callback) {
      userRankService.init(function (err) {
        if (err) {
          console.error("error populating user rank redis: " + err);
        }
        callback(err);
      });
    }, function (callback) {
      problemRankService.init(function (err) {
        if (err) {
          console.error("error populating problem rank redis: " + err);
        }
        callback(err);
      });
    }, function (callback) {
      recentSubmissionService.init(function (err) {
        if (err) {
          console.error("error populating recent submission redis: " + err);
        }
        callback(err);
      });
    }
  ], function (err) {
    console.log("done populating cache");
    callback(err);
  });
};

module.exports = init;