style change

src/database/redis.js

@@ -1,14 +1,16 @@
 'use strict';
 
-(function (module) {
-	var winston = require('winston');
-	var nconf = require('nconf');
-	var semver = require('semver');
-	var session = require('express-session');
-	var redis;
-	var redisClient;
-
-	module.questions = [
+var _ = require('underscore');
+var winston = require('winston');
+var nconf = require('nconf');
+var semver = require('semver');
+var session = require('express-session');
+var redis = require('redis');
+var redisClient;
+
+var redisModule = module.exports;
+
+redisModule.questions = [
 	{
 		name: 'redis:host',
 		description: 'Host IP or address of your Redis instance',
@@ -31,46 +33,40 @@
 		description: 'Which database to use (0..n)',
 		default: nconf.get('redis:database') || 0,
 	},
-	];
+];
 
-	module.init = function (callback) {
-		try {
-			redis = require('redis');
-		} catch (err) {
-			winston.error('Unable to initialize Redis! Is Redis installed? Error :' + err.message);
-			process.exit();
-		}
+redisModule.init = function (callback) {
 
-		redisClient = module.connect();
+	redisClient = redisModule.connect();
 
-		module.client = redisClient;
+	redisModule.client = redisClient;
 
-		require('./redis/main')(redisClient, module);
-		require('./redis/hash')(redisClient, module);
-		require('./redis/sets')(redisClient, module);
-		require('./redis/sorted')(redisClient, module);
-		require('./redis/list')(redisClient, module);
+	require('./redis/main')(redisClient, redisModule);
+	require('./redis/hash')(redisClient, redisModule);
+	require('./redis/sets')(redisClient, redisModule);
+	require('./redis/sorted')(redisClient, redisModule);
+	require('./redis/list')(redisClient, redisModule);
 
 	if (typeof callback === 'function') {
 		callback();
 	}
-	};
+};
 
-	module.initSessionStore = function (callback) {
+redisModule.initSessionStore = function (callback) {
 	var meta = require('../meta');
 	var sessionStore = require('connect-redis')(session);
 
-		module.sessionStore = new sessionStore({
-			client: module.client,
+	redisModule.sessionStore = new sessionStore({
+		client: redisModule.client,
 		ttl: meta.getSessionTTLSeconds(),
 	});
 
 	if (typeof callback === 'function') {
 		callback();
 	}
-	};
+};
 
-	module.connect = function (options) {
+redisModule.connect = function (options) {
 	var redis_socket_or_host = nconf.get('redis:host');
 	var cxn;
 
@@ -79,6 +75,7 @@
 	}
 
 	options = options || {};
+
 	if (nconf.get('redis:password')) {
 		options.auth_pass = nconf.get('redis:password');
 	}
@@ -111,14 +108,14 @@
 	}
 
 	return cxn;
-	};
+};
 
-	module.createIndices = function (callback) {
+redisModule.createIndices = function (callback) {
 	setImmediate(callback);
-	};
+};
 
-	module.checkCompatibility = function (callback) {
-		module.info(module.client, function (err, info) {
+redisModule.checkCompatibility = function (callback) {
+	redisModule.info(redisModule.client, function (err, info) {
 		if (err) {
 			return callback(err);
 		}
@@ -129,13 +126,13 @@
 
 		callback();
 	});
-	};
+};
 
-	module.close = function () {
+redisModule.close = function () {
 	redisClient.quit();
-	};
+};
 
-	module.info = function (cxn, callback) {
+redisModule.info = function (cxn, callback) {
 	if (!cxn) {
 		return callback();
 	}
@@ -158,9 +155,7 @@
 
 		callback(null, redisData);
 	});
-	};
-
-	module.helpers = module.helpers || {};
-	module.helpers.redis = require('./redis/helpers');
-}(exports));
+};
 
+redisModule.helpers = redisModule.helpers || {};
+redisModule.helpers.redis = require('./redis/helpers');