A mean powered service that changes the meta tags according to state changes.

sport.service.js

'use strict';

angular.module('mean.sport1').factory('Sport1', ['$resource', '$http', '$rootScope', '$q', '$location',
	function($resource, $http, $rootScope, $q, $location) {
		var dataConfig;
		return {

			getData: function(url) {
				var deferred = $q.defer();
				$http({
					method: 'GET',
					url: $rootScope.drupalServe1 + url.param,
					crossDomain: false
				})
					.success(function(data) {
						if (url.param === 'data?name=config')
							dataConfig = data;
						deferred.resolve(data);
					})
					.error(function(data) {
						deferred.reject('invalid value');
					});
				return deferred.promise;
			},
			postData: function(data){
				var deferred = $q.defer();
				$http({
					method: 'POST',
					url: $rootScope.drupalServe1 + data.url,
					data: {'data' : data.data},
					crossDomain: false
				})
				.success(function(data) {
						deferred.resolve(data);
					})
				.error(function(data) {
					deferred.reject('invalid value');
				});
				return deferred.promise;
			},
			getDataConfig: function(){
				var deferred = $q.defer();
				if (dataConfig )
					deferred.resolve(dataConfig);
				else{
					$http({
						method: 'GET',
						url: $rootScope.drupalServe1 + 'data?name=config',
						crossDomain: false
					})
					.success(function(data) {
						dataConfig = data;
						deferred.resolve(dataConfig);
					})

				}
				return deferred.promise;
			},
			setMeta: function(data){
				document.querySelectorAll('[property="og:description"]')[0].setAttribute('content', data.description);
				document.querySelectorAll('[property="og:title"]')[0].setAttribute('content', data.title);
				document.querySelectorAll('title')[0].setAttribute('content', data.title);
				document.querySelectorAll('[name=description]')[0].setAttribute('content', data.description);
				// if(data.image) document.querySelectorAll('[property="og:image"]')[0].setAttribute('content', "http://cms.sport2.co.il/sites/default/files/styles/thumbnail/public/" + data.image);

				if(data.image) document.querySelectorAll('[property="og:image"]')[0].setAttribute('content', $rootScope.drupalImage + "557x314/" + data.image);
				else document.querySelectorAll('[property="og:image"]')[0].setAttribute('content', $location.protocol() + '://' + $location.host() + "/system/assets/img/logo.png");
				document.title = data.title

				var tags = 'sport1, sport2, sport , ספורט, ספורט1, ספורט2';
				if (data.tag)
					var tags = [tags, data.tag].join(' , ');
				document.querySelectorAll('[name=keywords]')[0].setAttribute('content', tags );
			}
		};
		// $rootScopeProvider.digestTtl(15);
	}

]);



angular.module('mean.sport1').factory('Sport1Config', ['$resource', '$http', '$rootScope', '$q', 'Sport1','$filter',
	function($resource, $http, $rootScope, $q, Sport1, $filter) {
		return {
			getHP: function(callback){
				Sport1.getDataConfig().then(function(data){

					var date = new Date();
                    date = ($filter('date')(date, "EEE")).toLowerCase();
					if (data[0].data.statistics[date].top == 0 ){
						data = {
							'more-articles' : 4,
							'statistics' : 6
						}
					}
					else{
						data = {
							'more-articles' : 6,
							'statistics' : 4
						}
					}

					return callback(data);
				})
			}
		}
}])




angular.module('mean.sport1').factory('MeanSocket', function($rootScope) {
	var socket = io.connect($rootScope.socketServer);
	return {
		on: function(eventName, callback) {
			socket.on(eventName, function() {
				var args = arguments;
				$rootScope.$apply(function() {
					callback.apply(socket, args);
				});
			});
		},
		emit: function(eventName, data, callback) {
			socket.emit(eventName, data, function() {
				var args = arguments;
				$rootScope.$apply(function() {
					if (callback) {
						callback.apply(socket, args);
					}
				});
			});
		}
	};
});