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<?php
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/**
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* @file
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* Primarily Drupal hooks.
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*/
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/*
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* Implements hook_system_info_alter()
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*/
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function media_migrate_file_types_system_info_alter(&$info, $file, $type) {
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if ($type == 'module' && $file->name == 'media_migrate_file_types') {
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$info['hidden'] = FALSE;
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}
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}
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/**
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* Implements hook_menu().
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*/
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function media_migrate_file_types_menu() {
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$items['admin/structure/file-types/upgrade'] = array(
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'title' => 'Upgrade types',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('media_migrate_file_types_upgrade_file_types'),
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'access arguments' => array('administer file types'),
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'file' => 'includes/media_migrate_file_types.pages.inc',
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'type' => MENU_CALLBACK,
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);
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$items['admin/structure/file-types/upgrade/confirm'] = array(
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'title' => 'Upgrade types',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('media_migrate_file_types_upgrade_file_types_confirm'),
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'access arguments' => array('administer file types'),
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'file' => 'includes/media_migrate_file_types.pages.inc',
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'type' => MENU_CALLBACK,
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);
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return $items;
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}
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/**
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* Implements hook_help().
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*/
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function media_migrate_file_types_help($path, $arg) {
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switch ($path) {
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case 'admin/structure/file-types':
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if (_media_migrate_file_types_get_migratable_file_types()) {
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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'))));
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}
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break;
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}
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}
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/**
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* Checks if there are any files that belong to disabled or deleted file
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* types.
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*
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* @return Array of file types (machine names) that are candidates for
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* migration.
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*/
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function _media_migrate_file_types_get_migratable_file_types() {
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$query = db_select('file_managed', 'f')
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->fields('f', array('type'))
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->distinct();
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$types = $query->execute()->fetchCol();
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$enabled_types = array();
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foreach (file_type_get_enabled_types() as $type) {
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$enabled_types[] = $type->type;
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}
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return array_diff($types, $enabled_types);
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}
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