Json::entries_channel_files PHP Method

  protected function entries_channel_files($entry_id, $field, $field_data, $entry)
  {
    $this->entries_channel_files_data = array();

    $field_settings = unserialize(base64_decode($field['field_settings']));
    $field_settings = $field_settings['channel_files'];

    $query = ee()->db->select()
        ->where('entry_id', $entry_id)
        ->where('field_id', $field['field_id'])
        ->order_by('file_order', 'asc')
        ->get('channel_files');

    foreach ($query->result_array() as $row)
    {
      $field_data = array(
        'file_id' => (int) $row['file_id'],
        'url' => $row['filename'],
        'filename' => $row['filename'],
        'extension' => $row['extension'],
        'kind' => $row['mime'],
        'size' => $row['filesize'],
        'title' => $row['title'],
        'date' => $this->date_format($row['date']),
        'author' => (int)$row['member_id'],
        'desc' => $row['description'],
        'primary' => (bool)$row['file_primary'],
        'downloads' => (int)$row['downloads'],
        'custom1' => (isset($row['cffield1']) ? $row['cffield1'] : null),
        'custom2' => (isset($row['cffield2']) ? $row['cffield2'] : null),
        'custom3' => (isset($row['cffield3']) ? $row['cffield3'] : null),
        'custom4' => (isset($row['cffield4']) ? $row['cffield4'] : null),
        'custom5' => (isset($row['cffield5']) ? $row['cffield5'] : null)
      );

      $fieldtype_specific_settings = $field_settings['locations'][$row['upload_service']];

      switch ($row['upload_service'])
      {
        case 'local':
          // get upload folder details from EE
          $query = ee()->db->select('url')
                           ->where('id', $fieldtype_specific_settings['location'])
                           ->get('exp_upload_prefs');

          $result = $query->row_array();
          $query->free_result();

          $base_url = $result['url'] . ($field_settings['entry_id_folder'] == 'yes' ? $entry_id . '/' : '');
          $field_data['url'] = $base_url . $field_data['url'];
          break;
        case 's3':
          if ($fieldtype_specific_settings['cloudfront_domain'] != '')
          {
            $domain = rtrim($fieldtype_specific_settings['cloudfront_domain'], '/');
            $domain = 'http://' . preg_replace('#https?://#', '', $domain);
          }
          else
          {
            $domain = "http://{$fieldtype_specific_settings['bucket']}.s3.amazonaws.com";
          }


          $dir = ($fieldtype_specific_settings['directory'] != '' ? rtrim($fieldtype_specific_settings['directory'], '/') . '/' : '');

          $base_url = "{$domain}/{$dir}{$entry_id}/";
          $field_data['url'] = $base_url . $field_data['url'];
          break;
        case 'cloudfiles':
        case 'ftp':
        case 'sftp':
          require_once PATH_THIRD.'channel_files/locations/cfile_location.php';
          require_once PATH_THIRD."channel_files/locations/{$row['upload_service']}/{$row['upload_service']}.php";

          $class_name = "CF_Location_{$row['upload_service']}";
          $cf = new $class_name($fieldtype_specific_settings);
          $dir = $entry_id;
          $entry_id_folder = (isset($fieldtype_specific_settings['entry_id_folder']) ? $fieldtype_specific_settings['entry_id_folder'] : null);;
          if (isset($entry_id_folder) && $fieldtype_specific_settings['entry_id_folder'] == 'no')
          {
            $dir = FALSE;
          }

          $field_data['url'] = $cf->parse_file_url($dir, $field_data['url']);
          break;
        default:
          break;
      }

      // make file size relevant
      $units = array('B', 'KB', 'MB', 'GB');
      $units_index = 0;
      while ($field_data['size'] >= 1024)
      {
        $field_data['size'] /= 1024;
        $units_index++;
      }
      $field_data['size'] = round($field_data['size']) . ' ' . $units[$units_index];

      $this->entries_channel_files_data[$row['field_id']][] = $field_data;
    }

    $query->free_result();

    if (isset($row['field_id'], $this->entries_channel_files_data[$row['field_id']]))
    {
      return $this->entries_channel_files_data[$row['field_id']];
    }

    return array();
  }