function commerce_file_get_license in Commerce File 7.2

Returns an eligible active license for the given file.

A file could be sold from multiple products. The user's active licenses for all of them are loaded, and the first eligible one is returned.

Parameters

$op: The operation to be performed on the licensed file. Possible values are:

• "view"
• "download"

$file: The file entity.

$account: The account to check for. If not given, the current user is used instead.

Return value

The license if found, FALSE otherwise.

2 calls to commerce_file_get_license()

commerce_file_access in ./commerce_file.module

Determines if a user may perform the given operation on the licensed file.

commerce_file_exit in ./commerce_file.module

Implements hook_exit().

File

./commerce_file.module, line 316

Extends Commerce License with the ability to sell access to files.

Code

function commerce_file_get_license($op, $file, $account = NULL) {
  if (!$account) {
    $account = $GLOBALS['user'];
  }

  // Checkout complete account override.
  if (!empty($_SESSION['commerce_license_uid']) && empty($account->uid)) {
    $account = user_load($_SESSION['commerce_license_uid']);
  }

  // Ignore anonymous users, they can't have licenses.
  if (empty($account->uid)) {
    return FALSE;
  }
  $licenses =& drupal_static(__FUNCTION__, array());
  if (!isset($licenses[$file->fid])) {
    $licenses[$file->fid] = FALSE;

    // Get all products that offer the provided file.
    $query = new EntityFieldQuery();
    $query
      ->entityCondition('entity_type', 'commerce_product')
      ->fieldCondition('commerce_file', 'fid', $file->fid);
    $result = $query
      ->execute();
    if (!empty($result['commerce_product'])) {
      $product_ids = array_keys($result['commerce_product']);

      // Get the user's licenses for any of the found product ids.
      // The oldest active licenses are used first.
      $query = new EntityFieldQuery();
      $query
        ->entityCondition('entity_type', 'commerce_license')
        ->entityCondition('bundle', 'file')
        ->propertyCondition('status', COMMERCE_LICENSE_ACTIVE)
        ->propertyCondition('product_id', $product_ids)
        ->propertyCondition('uid', $account->uid)
        ->entityOrderby('entity_id', 'ASC');
      $result = $query
        ->execute();
      if (!empty($result['commerce_license'])) {
        $license_ids = array_keys($result['commerce_license']);
        $loaded_licenses = entity_load('commerce_license', $license_ids);

        // Go through all loaded licenses and check their eligibility.
        foreach ($loaded_licenses as $license) {
          $op_view = $op == 'view';
          $op_download = $op == 'download' && commerce_file_can_download($license, $file, $account);
          if ($op_view || $op_download) {

            // License found, stop the search.
            $licenses[$file->fid] = $license;
            break;
          }
        }
      }
    }
  }
  return $licenses[$file->fid];
}