【concrete5】特定のページタイプ（例：'news'）の内容をJSONPで出力する

api.php

<?php
// application/controllers/api.php

namespace Application\Controller;

use PageList;
use Core;
use Page;
use URL;

class Api extends \Concrete\Core\Controller\Controller {

  function pages()
  {
    $dh = Core::make('helper/date');
    $nh = Core::make('helper/navigation');

    $js = Core::make('helper/json');

    $pl = new PageList();
    $pl->filterByPageTypeHandle('news');
    $pl->sortByPublicDateDescending();
    $pages = $pl->get();
    $array = array();
    foreach ($pages as $page) {
      $o = new \stdClass;
      // $o->cID = $page->getCollectionID();
      $date = $dh->formatDateTime($page->getCollectionDatePublic(), true);
      $o->date = date('Y-m-d', strtotime($date));

      $pubTime = strtotime($page->getCollectionDatePublic());
      // 60 seconds, 60 minutes, 24 hours, 10 days
      $o->new = ((time() - $pubTime) < (60 * 60 * 24 * 10)) ? true : false;

      $o->title = $page->getCollectionName();

      $pagelink = $page->getAttribute('news_pagelink');

      $otherpage = $page->getAttribute('news_otherpage');

      $exlink = $page->getAttribute('news_exlink');

      if($pagelink) {
        $url = '';
      } else {
        if(!empty($exlink)) {
          $url = $exlink;
        } elseif(!empty($otherpage)) {
          $url = $nh->getCollectionURL(Page::getByID($otherpage));
        } else {
          $url = $nh->getCollectionURL($page);
        }
      }
      $o->link = $url;

      $array[] = $o;
    }
    // Core::make('helper/ajax')->sendResult($array);
    if(isset($_GET['callback'])){
      $callback = $_GET['callback'];
    }
    header('Content-Type: application/javascript');
    $r = $js->encode($array);
    echo $callback . '('. $r .')';
  }

}

app.php

<?php
// application/bootstrap/app.php

Route::register('/api/pages.json','Application\Controller\Api::pages');

json.js

// JSONP取得例
$(function(){
  $.getJSON('http://www.example.com/api/pages.json?callback=?')
  .success(function(data){
    for(var i in data){
      html = '<dt>' + data[i].date;
      if(data[i].new) {
        html += '<span class="label-new">New!</span>';
      }
      html += '</dt>';
      html += '<dd>';
      if(data[i].link) {
        html += '<a href="' + data[i].link + '" target="_blank">';
      }
      html += data[i].title;
      if(data[i].link) {
        html += '</a>';
      }
      html += '</dd>';
      $(".notice-list").append(html);
    }
  })
  .error(function(jqXHR, textStatus, errorThrown) {
    console.log("error：" + textStatus);
    console.log("text：" + jqXHR.responseText);
  });
});