ArticlesController for CakePHP 2.2.4

ArticlesController.php

<?php
App::uses('AppController', 'Controller');
/**
 * Articles Controller
 *
 * @property Article $Article
 */
class ArticlesController extends AppController {

// CustomPage component is used in AppController

function beforeFilter(){
  parent::beforeFilter();
 $this->set('module_id', '3');
    $this->Auth->allow('topic', 'edit', 'add', 'delete');
}





    public $paginate = array(
        'Article' => array(
            'limit' => 10,
            'order' => array('Article.id' => 'DESC'),
            'contain' => array(
                 'ArticleTopic' => array(
                     'fields' => array(
                         'ArticleTopic.title'
                     ),
                 ),
                 'User' => array(
                     'fields' => array(
                         'User.username', 'User.online', 'User.signature'
                     ),
                     'UserAvatar' => array(
                         'fields' => array(
                             'UserAvatar.file'
                         )
                     )
                 )
            ),
        ),
        'Comment' => array(
            'limit' => 10,
            'order' => array('Comment.id' => 'DESC'),
            'contain' => array(
                 'User' => array(
                     'fields' => array(
                         'User.username', 'User.online', 'User.signature'
                     ),
                     'UserAvatar' => array(
                         'fields' => array(
                             'UserAvatar.file'
                         )
                     )
                 )
            ),
        ),
    );





    public function index($page = null) {
   
    if($page){
       
        $this->set('articles', $this->paginate('Article', array('Article.page_id' => $page, 'Article.status <= 5')

) // end paginate
); // end set

    }
    else{

        $this->set('articles', $this->paginate('Article', array('Article.status <= 5')));

    }    

    } // end index function





 public function topic($page = null, $id = null) {
   
        $topic_title = $this->Article->ArticleTopic->field('title', array('id =' => $id));
        $this->set('articles', $this->paginate('Article', array('Article.topic_id' => $id)));
        $this->set('topic_id', $id);
        $this->set('topic_title', $topic_title);
        $this->set('title_for_layout', $topic_title);
    } // end topic function



// Redirect works fine in view() if article does not exist or if page_id != $page

  public function view($page = null, $id = null) {

                 $this->Article->id = $id;
                $article_page = $this->Article->field('page_id', array('id =' => $id));

		if (!$this->Article->exists()) {

                      $this->Session->setFlash('This article does not exist');
                      $this->redirect(array('controller'=>'articles', 'action' => 'index', 'page' => $page), null, true);
		}
		elseif ($article_page != $page) {
                      $this->Session->setFlash('Invalid article for this page');
                      $this->redirect(array('action' => 'index', 'page' => $page), null, true);
		}
                else{
                $this->set('title_for_layout', $this->Article->field('title', array('id =' => $id)));

                // CONTAIN
                $this->Article->contain(array(
                    'ArticleTopic' => array(
                        'fields' => array(
                            'ArticleTopic.title'
                        ),
                    ),
                    'User' => array(
                        'fields' => array(
                            'User.username', 'User.signature', 'User.online'
                        ),
                        'UserAvatar' => array(
                            'fields' => array(
                                'UserAvatar.file'
                            )
                        )
                    )
                ));

                // END CONTAIN

		$this->set('article',  $this->Article->read(null, $id));

 $this->set('comments', $this->paginate($this->Article->Comment, array('Comment.module_id' => $this->viewVars['module_id'], 'Comment.post_id' => $id)));
           } // end else


	} // end view function




// Redirect works fine if user has correct access and user posts article meeting validation rules.
// Redirect does not work when user does not have correct access (as in $access_message is not null)
	public function add($page = null) {
               $access = $this->viewVars['access'];
               if($this->CustomPage->AccessMessage(4, $access)){
			$this->Session->setFlash(__($this->CustomPage->AccessMessage(4, $access)));
                        $this->redirect(array('action' => 'index', 'page' => $page));
               } else
               {

		$pages = $this->Article->Page->find('list');
		$topics = $this->Article->ArticleTopic->find('list', array('conditions' => array('ArticleTopic.page_id' => $page)));
		$users = $this->Article->User->find('list');
		$this->set(compact('pages', 'topics', 'users'));

		if ($this->request->is('post')) {

			$this->Article->create();
			if ($this->Article->save($this->request->data)) {
                        $article_id = $this->Article->getInsertId();

			$activity_data = array(
   		            'Activity' => array(
     			        'description' => 'Posted the article',
     			        'post_id' => $article_id,
     			        'page_id' => $page,
     			        'user_id' => $this->request->data['Article']['user_id'],
     			        'module_id' => $this->viewVars['module_id'],
   			    )
			);

			$this->Article->Page->Activity->create();
                        $this->Article->Page->Activity->save($activity_data);



			$points_data = array(
   		            'Point' => array(
     			        'description' => 'Posted the article',
     			        'post_id' => $article_id,
     			        'page_id' => $page,
     			        'user_id' => $this->request->data['Article']['user_id'],
     			        'module_id' => $this->viewVars['module_id'],
                                'amount' => Configure::read('Articles.AddPoints'),
   			    )
			);


			$this->Article->Page->Point->create();
                        $this->Article->Page->Point->save($points_data);



			$this->Session->setFlash(__('The article has been saved'));
			$this->redirect(array('action' => 'view', 'id' => $article_id, 'page' => $page));



			} else {
				$this->Session->setFlash(__('The article could not be saved. Please, try again.'));
			} // else if can't save article




		} // if method is post
            } // end if user has access

	} // end add action



}