CakePHP2.0 BaseActionComponent

BaseActionComponent.php

<?php
App::uses('Component', 'Controller');
App::uses('Inflector', 'Utility');

class BaseActionComponent extends Component {

	public $components = array('Session');

	public $Controller;

	public $Model;

	public $request;

	public $names = array();

	public $messages = array();

	public function initialize($controller) {
		$this->Controller = $controller;
		$this->Model = $controller->{$controller->modelClass};
		$this->request = $controller->request;

		$this->names = array(
			'controllerName' => $this->Controller->name,
			'currentModelName' => $this->Model->name,
			'pluralName' => Inflector::variable(Inflector::pluralize($this->Model->name)),
			'singularName' => Inflector::variable($this->Model->name),
			'singularHumanName' => Inflector::humanize(Inflector::underscore(Inflector::singularize($this->Controller->name))),
			'pluralHumanName' => Inflector::humanize(Inflector::underscore($this->Controller->name)),
			'displayField' => $this->Model->displayField,
			'primaryKey' => $this->Model->primaryKey,
		);

		extract($this->names);
		$this->messages = array(
			'invalid' => __('Invalid %s', __($singularHumanName)),
			'saveTrue' => __('The %s has been saved', __($singularHumanName)),
			'saveFalse' => __('The %s could not be saved. Please, try again.', __($singularHumanName)),
			'deteleTrue' => __('%s deleted', __($singularHumanName)),
			'deleteFalse' => __('%s was not deleted', __($singularHumanName))
		);
	}

	public function index() {
		extract($this->names);

		$results = $this->Controller->paginate($currentModelName);
		$this->Controller->set($pluralName, $results);
		return $results;
	}

	public function view($id = null) {
		extract($this->names);

		$this->Model->id = $id;
		if (!$this->Model->exists()) {
			throw new NotFoundException($this->messages['invalid']);
		}
		$result = $this->Model->read(null, $id);
		$this->Controller->set($singularName, $result);
		return $result;
	}

	public function add($redirect = array('action' => 'index')) {
		if ($this->request->is('post')) {
			$this->Model->create();
			if ($this->Model->save($this->request->data)) {
				$this->Session->setFlash($this->messages['saveTrue'], 'default', array('class' => 'success'));
				$this->Controller->redirect($redirect);
			} else {
				$this->Session->setFlash($this->messages['saveFalse'], 'default', array('class' => 'error'));
			}
		}
	}

	public function edit($id = null, $redirect = array('action' => 'index')) {
		$this->Model->id = $id;
		if (!$this->Model->exists()) {
			throw new NotFoundException($this->messages['invalid']);
		}
		if ($this->request->is('post') || $this->request->is('put')) {
			if ($this->Model->save($this->request->data)) {
				$this->Session->setFlash($this->messages['saveTrue'], 'default', array('class' => 'success'));
				$this->Controller->redirect($redirect);
			} else {
				$this->Session->setFlash($this->messages['saveFalse'], 'default', array('class' => 'error'));
			}
		} else {
			$this->request->data = $this->Model->read(null, $id);
		}
	}

	public function delete($id = null, $redirect = array('action' => 'index')) {
		$redirect = $this->Controller->referer($redirect);
		if (!empty($this->request->params['named']['redirect'])) {
			$redirect = array('action' => $this->request->params['named']['redirect']);
		}

		if (!$this->request->is('post')) {
			throw new MethodNotAllowedException();
		}
		$this->Model->id = $id;
		if (!$this->Model->exists()) {
			throw new NotFoundException($this->messages['invalid']);
		}
		if ($this->Model->delete()) {
			$this->Session->setFlash($this->messages['deteleTrue'], 'default', array('class' => 'success'));
			$this->Controller->redirect($redirect);
		}
		$this->Session->setFlash($this->messages['deleteFalse'], 'default', array('class' => 'error'));
		$this->Controller->redirect($redirect);
	}

	public function moveUp($id = null, $redirect = array('action' => 'index')) {
		if (!$this->request->is('post')) {
			throw new MethodNotAllowedException();
		}
		$this->Model->id = $id;
		if (!$this->Model->exists()) {
			throw new NotFoundException(__('Invalid id'));
		}
		if ($this->Model->moveUp($id)) {
			$this->Session->setFlash(__('Moved up successfully'), 'default', array('class' => 'success'));
			$this->Controller->redirect($this->Controller->referer(array('action' => 'index')));
		}
		$this->Session->setFlash(__('Could not move up'), 'default', array('class' => 'error'));
		$this->Controller->redirect($this->Controller->referer($redirect));
	}

	public function moveDown($id = null, $redirect = array('action' => 'index')) {
		if (!$this->request->is('post')) {
			throw new MethodNotAllowedException();
		}
		$this->Model->id = $id;
		if (!$this->Model->exists()) {
			throw new NotFoundException(__('Invalid id'));
		}
		if ($this->Model->moveDown($id)) {
			$this->Session->setFlash(__('Moved down successfully'), 'default', array('class' => 'success'));
			$this->Controller->redirect($this->Controller->referer(array('action' => 'index')));
		}
		$this->Session->setFlash(__('Could not move down'), 'default', array('class' => 'error'));
		$this->Controller->redirect($this->Controller->referer($redirect));
	}

}