function UserController($scope, User){
    $scope.users = User.query();
    $scope.user = null;
    $scope.create = function(){
        $scope.user = new User();
    };
    $scope.cancel = function(){
        $scope.user = null;
    };
    $scope.edit = function( $user ){
        $scope.user = $user;
    };
    $scope.save = function(){
        if( angular.isDefined($scope.user.id) ) {
            $scope.user.$update(function(){
                $scope.user = null;
            });
        } else {
            $scope.user.$create(function( $user ){
                $scope.users.unshift($user);
                $scope.user = null;
            });
        }
    };
    $scope.remove = function( $user ){
        $user.$destroy(function(){
            $scope.users.splice($scope.users.indexOf($user), 1);
        });
    };
    $scope.cancel = function(){
        $scope.user = null;
    };
}
function PostController($routeParams, $scope, User, Post, Category){
    var id_user = $routeParams.id_user;
    var user_current = new User({id: id_user});
    $scope.posts = Post.query([user_current]);
    $scope.categories = Category.query();
    $scope.post = null;
    $scope.create = function(){
        $scope.post = new Post();
    };
    $scope.cancel = function(){
        $scope.post = null;
    };
    $scope.edit = function( $post ){
        $scope.post = $post;
    };
    $scope.save = function(){
        if( angular.isDefined($scope.post.id) ) {
            $scope.post.$update(function(){
                $scope.post = null;
            });
        } else {
            $scope.post.$create([user_current], function( $post ){
                $scope.posts.unshift($post);
                $scope.post = null;
            });
        }
    };
    $scope.remove = function( $post ){
        $post.$destroy(function(){
            $scope.posts.splice($scope.posts.indexOf($post), 1);
        });
    };
    $scope.cancel = function(){
        $scope.post = null;
    };
}

angular.module('angular-restful.service', ['restful'])
.factory('User', ['$restful', function($restful) {
	return $restful('/users/:id', {params:{id:'@id'}});
}])
.factory('Post', ['$restful', function($restful) {
	return $restful('/posts/:id', {params:{id:'@id'}});
}])
.factory('Category', ['$restful', function($restful) {
	return $restful('/categories/:id', {params:{id:'@id'}});
}]);

<form name="form">
    <div class="control-group">
        <label>Name</label>
        <input type="text" name="name" ng-model="user.name">
    </div>
    <div class="control-group">
        <label>E-mail</label>
        <input type="email" name="email" ng-model="user.email">
    </div>
    <button ng-click="cancel()" class="btn">Cancel</button>
    <button ng-click="save()" class="btn btn-primary">Save</button>
</form>
<table>
    <thead>
    <tr>
        <th style="width: 250px">Name</th>
        <th style="width: 150px">E-mail</th>
        <th style="width: 55px">
            <a ng-click="create()"><i class="icon-plus-sign"></i></a>
        </th>
    </tr>
    </thead>
    <tbody>
    <tr ng-repeat="user in users | orderBy:'name'">
        <td>{{user.name}}</td>
        <td>{{user.email}}</td>
        <td>
            <a href="#/users/{{user.id}}/posts" data-toggle="tooltip" title="Posts"><i class="icon-list"></i></a>
            <a ng-click="edit(user)"><i class="icon-pencil"></i></a>
            <a ng-click="remove(user)"><i class="icon-remove"></i></a>
        </td>
    </tr>
    </tbody>
</table>

<form name="form">
     <div class="control-group">
         <label>Content</label>
         <textarea name="content" ng-model="post.content"></textarea>
     </div>
     <div class="control-group">
         <label>Category</label>
         <select name="category_id" ng-model="post.category_id">
             <option ng-repeat="category in categories" value="{{category.id}}" ng-selected="category.id==post.category_id">{{category.name}}</option>
         </select>
     </div>
     <button ng-click="cancel()" class="btn">Cancel</button>
     <button ng-click="save()" class="btn btn-primary">Save</button>
 </form>
 <table>
    <thead>
    <tr>
        <th style="width: 250px">Content</th>
        <th style="width: 150px">Category ID</th>
        <th style="width: 55px">
            <a ng-click="create()"><i class="icon-plus-sign"></i></a>
        </th>
    </tr>
    </thead>
    <tbody>
    <tr ng-repeat="post in posts | orderBy:'created_at'">
        <td>{{post.content}}</td>
        <td>{{post.category_id}}</td>
        <td>
            <a ng-click="edit(post)"><i class="icon-pencil"></i></a>
            <a ng-click="remove(post)"><i class="icon-remove"></i></a>
        </td>
    </tr>
    </tbody>
</table>