moving db.close into the parent module

src/database/level.js

@@ -38,14 +38,14 @@
 			winston.error('Unable to initialize Level DB! Is Level DB installed? Error :' + err.message);
 			process.exit();
 		}
-		
+
 		if (db) {
 			if(typeof callback === 'function') {
 				callback();
 			}
 
 			return;
-		} 
+		}
 
 		db = levelup(nconf.get('level:database'), {
 			valueEncoding: 'json'
@@ -77,6 +77,10 @@
 		}
 	};
 
+	module.close = function(callback) {
+		db.close(callback);
+	};
+
 	var helpers = {};
 
 	helpers.iterator = function(fn, keys, value, callback) {

src/database/level/main.js

@@ -5,10 +5,6 @@ var nconf = require('nconf'),
 
 module.exports = function(db, module) {
 	var helpers = module.helpers.level;
-	
-	module.close = function(callback) {
-		db.close(callback);
-	};
 
 	module.searchIndex = function(key, content, id) {
 		// o.O

src/database/mongo.js

@@ -45,7 +45,7 @@
 			winston.error('Unable to initialize MongoDB! Is MongoDB installed? Error :' + err.message);
 			process.exit();
 		}
-		
+
 		mongoClient.connect('mongodb://'+ nconf.get('mongo:host') + ':' + nconf.get('mongo:port') + '/' + nconf.get('mongo:database'), function(err, _db) {
 			if(err) {
 				winston.error("NodeBB could not connect to your Mongo database. Mongo returned the following error: " + err.message);
@@ -105,6 +105,11 @@
 		});
 	};
 
+	module.close = function() {
+		db.close();
+	};
+
+
 	var helpers = {};
 	helpers.findItem = function(data, key) {
 		if(!data) {

src/database/mongo/main.js

@@ -4,10 +4,7 @@ var winston = require('winston');
 
 module.exports = function(db, module) {
 	var helpers = module.helpers.mongo;
-	
+
-	module.close = function() {
-		db.close();
-	};
 
 	module.searchIndex = function(key, content, id) {
 		var data = {

src/database/redis.js

@@ -101,5 +101,10 @@
 			callback();
 		}
 	};
+
+	module.close = function() {
+		redisClient.quit();
+	};
+	
 }(exports));
 

src/database/redis/main.js

@@ -1,10 +1,6 @@
 "use strict";
 
 module.exports = function(redisClient, module) {
-	module.close = function() {
-		redisClient.quit();
-	};
-
 	module.searchIndex = function(key, content, id) {
 		if (key === 'post') {
 			module.postSearch.index(content, id);