174 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			174 lines
		
	
	
		
			4.4 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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namespace ShortPixel;
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if ( ! defined( 'ABSPATH' ) ) {
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 exit; // Exit if accessed directly.
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}
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use ShortPixel\ShortPixelLogger\ShortPixelLogger as Log;
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use ShortPixel\Model\AccessModel as AccessModel;
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class ViewController extends Controller
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{
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  protected static $controllers = array();
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	protected static $viewsLoaded = array();
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  protected $model; // connected model to load.
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  protected $template = null; // template name to include when loading.
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  protected $data = array(); // data array for usage with databases data and such
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  protected $postData = array(); // data coming from form posts.
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  protected $mapper; // Mapper is array of View Name => Model Name. Convert between the two
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  protected $is_form_submit = false; // Was the form submitted?
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  protected $view; // object to use in the view.
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  protected $url; // if controller is home to a page, sets the URL here. For redirects and what not.
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  protected $form_action = 'sp-action';
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  public static function init()
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  {
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    foreach (get_declared_classes() as $class) {
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      if (is_subclass_of($class, 'ShortPixel\Controller') )
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        self::$controllers[] = $class;
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    }
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  }
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  public function __construct()
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  {
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		parent::__construct();
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    $this->view = new \stdClass;
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    // Basic View Construct
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    $this->view->notices =  null; // Notices of class notice, for everything noticable
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    $this->view->data = null;  // Data(base), to separate from regular view data
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  }
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	public static function getInstance() {
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    if (is_null(static::$instance)) {
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        static::$instance = new static;
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    }
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    return static::$instance;
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}
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  /* Check if postData has been submitted.
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  * This function should always be called at any ACTION function ( load, load_$action etc ).
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  */
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  protected function checkPost()
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  {
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		if(count($_POST) === 0) // no post, nothing to check, return silent.
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		{
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			return true;
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		}
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    elseif (! isset($_POST['sp-nonce']) || ! wp_verify_nonce( sanitize_key($_POST['sp-nonce']), $this->form_action))
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    {
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      Log::addInfo('Check Post fails nonce check, action : ' . $this->form_action, array($_POST) );
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			exit('Nonce Failed');
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      return false;
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    }
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    elseif (isset($_POST) && count($_POST) > 0)
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    {
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      check_admin_referer( $this->form_action, 'sp-nonce' ); // extra check, when we are wrong here, it dies.
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     // unset($_POST['sp-nonce']);
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     // unset($_POST['_wp_http_referer']);
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      $this->is_form_submit = true;
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      $this->processPostData($_POST);
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    }
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		return true;
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	}
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	public function access()
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	{
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		 return AccessModel::getInstance();
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	}
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  /** Loads a view
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  *
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  * @param String View Template in view directory to load. When empty will search for class attribute
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  */
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  public function loadView($template = null, $unique = true)
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  {
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      // load either param or class template.
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      $template = (is_null($template)) ? $this->template : $template;
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      if (is_null($template) )
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      {
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        return false;
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      }
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      elseif (strlen(trim($template)) == 0)
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			{
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        return false;
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			}
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      $view = $this->view;
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      $controller = $this;
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      $template_path = \wpSPIO()->plugin_path('class/view/' . $template  . '.php');
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     	if (file_exists($template_path) === false)
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			{
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        Log::addError("View $template could not be found in " . $template_path,
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        array('class' => get_class($this)));
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      }
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      elseif ($unique === false || ! in_array($template, self::$viewsLoaded))
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      {
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        include($template_path);
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				self::$viewsLoaded[] = $template;
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      }
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  }
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  /** Accepts POST data, maps, checks missing fields, and applies sanitization to it.
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  * @param array $post POST data
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  */
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  protected function processPostData($post)
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  {
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    // If there is something to map, map.
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    if ($this->mapper && is_array($this->mapper) && count($this->mapper) > 0)
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    {
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      foreach($this->mapper as $item => $replace)
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      {
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        if ( isset($post[$item]))
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        {
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          $post[$replace] = $post[$item];
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          unset($post[$item]);
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        }
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      }
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    }
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    if (is_null($this->model))
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    {
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      foreach($post as $name => $value )
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      {
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        $this->postData[sanitize_text_field($name)] = sanitize_text_field($value);
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        return true;
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      }
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    }
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    else
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    {
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      $model = $this->model;
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      $this->postData = $model->getSanitizedData($post);
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    }
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    return $this->postData;
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  }
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  /** Sets the URL of the admin page */
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  public function setControllerURL($url)
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  {
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    $this->url = $url;
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  }
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} // controller
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