angular.js auto suggest

gistfile1.txt

'use strict';

barterApp.directive('autosuggest', function($timeout, $http) {
     return {
       restrict: "E",
       scope: {
        modelupdate:"=",
        suggestions:"=",
        urlsend:"@"
       },
    template: '<ul><li ng-repeat="suggest in suggestions" ng-click="updateModel(suggest)">{{suggest}}</li></ul>',
    link: function (scope, element) {
      scope.$watch('modelupdate', function() { 
         $timeout(function(){
         	$http.post(scope.urlsend).then(function(data){
               scope.suggestions = data.data;
               console.log(data.data);
         	});
         }, 3000);
      });
      scope.updateModel = function(value){
         scope.modelupdate = value;  
      }
   }
   };

 });

usage

<div ng-controller = "controller">
<input ng-model = "books">
<autosuggest modelupdate = "books" suggestions = "book_suggestions" urlsend="/book_suggestions.json"> </autosuggest>

</div>