Search by two atributes in an object (collections of customers)

index.filters.js

(function() {
	'use strict';
	
	angular.module('engageAngularApp')
		.filter('searchByNameAndPhone', function(){
			return function(items, searchString){
				if(!searchString){
					return items;
				}

				var result = [];

				searchString = searchString.toLowerCase();

				angular.forEach(items, function(item){
					if(item.customer.first_name.toLowerCase().indexOf(searchString) !== -1 || item.customer.home_phone.toLowerCase().indexOf(searchString) !== -1 || item.customer.last_name.toLowerCase().indexOf(searchString) !== -1){
						result.push(item);
					}
				});

				return result;
			};
		}
	)
})();