Taeluf.com

Redirect.php

<?php

namespace Lia;

class Redirect extends \Lia\Compo {
    
//@TODO write tests for Redirect component
    
    protected $redirectUrl;
    protected $withContent = false;
    protected $withMessage = false;
    protected $statusCode = 302;
    protected $message = null;
    
    public function apiGoto_lia_goto_goto($url, $statusCode=302){
        $this->redirectUrl = $url;
        $this->statusCode = $statusCode;
        $this->withContent = false;
        $this->withMessage = false;
    }
    public function apiSetMessage_lia_goto_gotoSetMessage($message){
        $this->message = $message;
        $this->withMessage = true;
        $this->withContent = false;
    }
    
    public function apiWithMessageMessage_lia_goto_gotoWithMessage($url, $message, $statusCode=302){
        $this->redirectUrl = $url;
        $this->withContent = false;
        $this->withMessage = true;
        $this->message = $message;
        $this->statusCode = $statusCode;
    }
    
    /**
     * Show the content of this request at the given url
     */
    public function apiWithContent_lia_goto_gotoWithContent($url, $statusCode=302){
        $this->redirectUrl = $url;
        $this->withContent = true;
        $this->statusCode = $statusCode;
        $this->withMessage = false;
    }
    
    public function apiGetMessage_lia_goto_getGotoMessage(){
        $id = $_GET['message_id']??null;
        if ($id===null)return false;
        $cacheFile = $this->lia->getCacheFile('lia.Redirect.withMessage.'.$id);
        if (!is_file($cacheFile))return false;
        $content = file_get_contents($cacheFile);
//         unlink($cacheFile);
        return $content;
    }
    
    public function onEmit_Server_willDisplayContent($response){
        if ($this->redirectUrl=='')return;
        $id = uniqid().'-'.uniqid();
        //@DEBUG return to the 5 minute cache (instead of 5 seconds!)
//         $this->lia->cacheFile('lia.Redirect.withMessage.'.$id, $content, 60*5);
        $message = 
            $this->withMessage 
                ? $this->message 
                : ($this->withContent ? $response->content : false)
                ;
        
        $url = $this->redirectUrl;
        if ($message!==false){
            $this->lia->cacheFile('lia.Redirect.withMessage.'.$id, $message, 5);            

            $path = parse_url($url, PHP_URL_PATH);
            $query = parse_url($url, PHP_URL_QUERY);
            $qps = [];
            parse_str($query, $qps);
            $qps['message_id'] = $id;

            $url = $path.'?'.http_build_query($qps);
        } 
        header("Location: {$url}", $this->statusCode ?? 302);
        exit;
    }
}