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   1  <?php
   2  
   3  /*
   4   * @file
   5   * Class file used to store video in the filesyetm as CDN or local.
   6   *
   7   */
   8  
   9  class video_filesystem {
  10  
  11    private $filesystem;
  12  
  13    public function __construct($filesystem = null) {
  14      //get our configured transcoder.
  15      if (!isset($filesystem))
  16        $filesystem = variable_get('vid_filesystem', 'drupal');
  17      if (!module_load_include('inc', 'video', '/filesystem/' . $filesystem)) {
  18        $modules = module_list();
  19        foreach ($modules as $module) {
  20          $mobule_files = array();
  21          $module_path = drupal_get_path('module', $module) . '/filesystem';
  22          $mobule_files = file_scan_directory($module_path, '^.*\.inc$');
  23          if (is_array($mobule_files)) {
  24            foreach ($mobule_files as $file) {
  25              if ($file->name == $filesystem)
  26                require_once $file->filename;
  27            }
  28          }
  29        }
  30      }
  31      if (class_exists($filesystem)) {
  32        $this->filesystem = new $filesystem;
  33      } else {
  34        drupal_set_message(t('The file system is not configured properly.'), 'error');
  35      }
  36    }
  37  
  38    public function load_file(&$video) {
  39      return $this->filesystem->load_file($video);
  40    }
  41  
  42    public function admin_settings() {
  43      $fs = variable_get('vid_filesystem', 'drupal');
  44      $downloads = variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC);
  45  
  46      if ($downloads == FILE_DOWNLOADS_PRIVATE && empty($_POST['vid_filesystem'])) {
  47        drupal_set_message(t('Storing videos in the Drupal file system is not supported when using <a href="@filesystem">private downloads</a>.', array('@filesystem' => url('admin/settings/file-system'))), $fs == 'drupal' ? 'error' : 'warn');
  48      }
  49  
  50      $form = array();
  51      $options = $this->_filesystem();
  52      $form['vid_filesystem'] = array(
  53        '#type' => 'radios',
  54        '#title' => t('Video file system'),
  55        '#default_value' => variable_get('vid_filesystem', 'drupal'),
  56        '#options' => $options['radios'],
  57        '#description' => t('!list', array('!list' => theme('item_list', $options['help']))),
  58        '#prefix' => '<div id="filesystem-radios">',
  59        '#suffix' => '</div>',
  60      );
  61      $form = $form + $options['admin_settings'];
  62      return $form;
  63    }
  64  
  65    private function _filesystem() {
  66      $files = array();
  67      // Lets find our transcoder classes and build our radio options
  68      // We do this by scanning our transcoders folder
  69      $form = array('radios' => array(), 'help' => array(), 'admin_settings' => array());
  70      $path = drupal_get_path('module', 'video') . '/filesystem';
  71      $files = file_scan_directory($path, '^.*\.inc$');
  72      // check inside sub modules
  73      $modules = module_list();
  74      foreach ($modules as $module) {
  75        $mobule_files = array();
  76        $module_path = drupal_get_path('module', $module) . '/filesystem';
  77        $mobule_files = file_scan_directory($module_path, '^.*\.inc$');
  78        $files = array_merge($files, $mobule_files);
  79      }
  80  
  81      foreach ($files as $file) {
  82        if (!module_load_include('inc', 'video', '/filesystem/' . $file->name))
  83          require_once $file->filename;
  84        $focus = new $file->name;
  85        $form['radios'][$focus->get_value()] = $focus->get_name();
  86        $form['help'][] = $focus->get_help();
  87        // creating div for each option
  88        $form['video_' . $focus->get_value() . '_start'] = array(
  89          'video_' . $focus->get_value() . '_start' => array(
  90            '#type' => 'markup',
  91            '#value' => '<div id="' . $focus->get_value() . '">',
  92          ),
  93        );
  94        $form['video_' . $focus->get_value() . '_end'] = array(
  95          'video_' . $focus->get_value() . '_end' => array(
  96            '#type' => 'markup',
  97            '#value' => '</div>',
  98          ),
  99        );
 100  
 101        $form['admin_settings'] = $form['admin_settings'] + $form['video_' . $focus->get_value() . '_start'] + $focus->admin_settings() + $form['video_' . $focus->get_value() . '_end'];
 102      }
 103      return $form;
 104    }
 105  
 106    public function admin_settings_validate(&$form, &$form_state) {
 107      return $this->filesystem->admin_settings_validate($form, $form_state);
 108    }
 109  
 110  }
 111  
 112  interface filesystem_interface {
 113    public function load_file($video);
 114  
 115    public function get_value();
 116    
 117    public function get_name();
 118  
 119    public function get_help();
 120  
 121    public function admin_settings();
 122  
 123    public function admin_settings_validate($form, &$form_state);
 124  }