made breadcrumbs regular function

less db calls as well

src/controllers/categories.js

@@ -172,6 +172,21 @@ categoriesController.get = function(req, res, next) {
 		function(payload, next) {
 			categories.getCategoryById(payload, next);
 		},
+		function(categoryData, next) {
+			var breadcrumbs = [
+				{
+					text: categoryData.name,
+					url: nconf.get('relative_path') + '/category/' + categoryData.slug
+				}
+			];
+			helpers.buildBreadcrumbs(categoryData.parentCid, function(err, crumbs) {
+				if (err) {
+					return next(err);
+				}
+				categoryData.breadcrumbs = crumbs.concat(breadcrumbs);
+				next(null, categoryData);
+			});
+		},
 		function(categoryData, next) {
 			if (categoryData.link) {
 				return res.redirect(categoryData.link);
@@ -243,7 +258,6 @@ categoriesController.get = function(req, res, next) {
 			}
 		}
 
-		data.breadcrumbs = res.locals.breadcrumbs;
 		res.render('category', data);
 	});
 };

src/controllers/helpers.js

@@ -1,6 +1,12 @@
 'use strict';
 
-var nconf = require('nconf');
+var nconf = require('nconf'),
+	async = require('async'),
+	validator = require('validator'),
+
+	translator = require('../../public/src/translator'),
+	categories = require('../categories'),
+	meta = require('../meta');
 
 var helpers = {};
 
@@ -32,5 +38,39 @@ helpers.notAllowed = function(req, res, error) {
 	}
 };
 
+helpers.buildBreadcrumbs = function(cid, callback) {
+	var breadcrumbs = [];
+
+	async.whilst(function() {
+		return parseInt(cid, 10);
+	}, function(next) {
+		categories.getCategoryFields(cid, ['name', 'slug', 'parentCid'], function(err, data) {
+			if (err) {
+				return next(err);
+			}
+
+			breadcrumbs.unshift({
+				text: validator.escape(data.name),
+				url: nconf.get('relative_path') + '/category/' + data.slug
+			});
+
+			cid = data.parentCid;
+			next();
+		});
+	}, function(err) {
+		if (err) {
+			return callback(err);
+		}
+
+		translator.translate('[[global:home]]', meta.config.defaultLang || 'en_GB', function(translated) {
+			breadcrumbs.unshift({
+				text: translated,
+				url: nconf.get('relative_path') + '/'
+			});
+
+			callback(null, breadcrumbs);
+		});
+	});
+};
 
 module.exports = helpers;

src/controllers/topics.js

@@ -123,6 +123,26 @@ topicsController.get = function(req, res, next) {
 				next(null, topicData);
 			});
 		},
+		function (topicData, next) {
+			var breadcrumbs = [
+				{
+					text: topicData.category.name,
+					url: nconf.get('relative_path') + '/category/' + topicData.category.slug
+				},
+				{
+					text: topicData.title,
+					url: nconf.get('relative_path') + '/topic/' + topicData.slug
+				}
+			];
+
+			helpers.buildBreadcrumbs(topicData.category.parentCid, function(err, crumbs) {
+				if (err) {
+					return next(err);
+				}
+				topicData.breadcrumbs = crumbs.concat(breadcrumbs);
+				next(null, topicData);
+			});
+		},
 		function (topicData, next) {
 			var description = '';
 
@@ -245,7 +265,6 @@ topicsController.get = function(req, res, next) {
 			}
 		}
 
-		data.breadcrumbs = res.locals.breadcrumbs;
 		res.render('topic', data);
 	});
 };