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<?php
/**
* @file
* Primarily Drupal hooks.
*/
/*
* Implements hook_system_info_alter()
*/
function media_migrate_file_types_system_info_alter(&$info, $file, $type) {
if ($type == 'module' && $file->name == 'media_migrate_file_types') {
$info['hidden'] = FALSE;
}
}
/**
* Implements hook_menu().
*/
function media_migrate_file_types_menu() {
$items['admin/structure/file-types/upgrade'] = array(
'title' => 'Upgrade types',
'page callback' => 'drupal_get_form',
'page arguments' => array('media_migrate_file_types_upgrade_file_types'),
'access arguments' => array('administer file types'),
'file' => 'includes/media_migrate_file_types.pages.inc',
'type' => MENU_CALLBACK,
);
$items['admin/structure/file-types/upgrade/confirm'] = array(
'title' => 'Upgrade types',
'page callback' => 'drupal_get_form',
'page arguments' => array('media_migrate_file_types_upgrade_file_types_confirm'),
'access arguments' => array('administer file types'),
'file' => 'includes/media_migrate_file_types.pages.inc',
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implements hook_help().
*/
function media_migrate_file_types_help($path, $arg) {
switch ($path) {
case 'admin/structure/file-types':
if (_media_migrate_file_types_get_migratable_file_types()) {
drupal_set_message(t('There are disabled/deleted file types that can be migrated to their new alternatives. Visit <a href="!url">migration page</a> to get more information.', array('!url' => url('admin/structure/file-types/upgrade'))));
}
break;
}
}
/**
* Checks if there are any files that belong to disabled or deleted file
* types.
*
* @return Array of file types (machine names) that are candidates for
* migration.
*/
function _media_migrate_file_types_get_migratable_file_types() {
$query = db_select('file_managed', 'f')
->fields('f', array('type'))
->distinct();
$types = $query->execute()->fetchCol();
$enabled_types = array();
foreach (file_type_get_enabled_types() as $type) {
$enabled_types[] = $type->type;
}
return array_diff($types, $enabled_types);
}
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