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<?php
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/**
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* @file
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* Common pages for the Media Migrate File Types module.
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*/
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/**
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* File type migration page.
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*
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* Allows site administrator to execute migration of old/disabled/deleted
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* file types to new ones.
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*/
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function media_migrate_file_types_upgrade_file_types($form, &$form_state) {
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$migratable_types = _media_migrate_file_types_get_migratable_file_types();
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// Silently return if there are no file types that need migration.
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if (empty($migratable_types)) {
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return array(
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'message' => array(
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'#markup' => t('There are no file types that need migration. The Media Medigrate File Types module can now be safely <a href="@modules">disabled</a>.', array('@modules' => url('admin/modules'))),
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),
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);
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}
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$form['message'] = array(
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'message' => array(
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'#markup' => t('This page allows you to migrate deprecated and/or disabled file types to new ones. It will migrate files from old type to new one and optionally migrate fields and delete old type.'),
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),
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);
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$form['migrate_fields'] = array(
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'#type' => 'checkbox',
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'#title' => t('Migrate fields'),
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'#default_value' => TRUE,
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'#description' => t('Migrate fields and their values from old file types to new ones.'),
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);
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$form['delete_old_type'] = array(
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'#type' => 'checkbox',
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'#title' => t('Delete old type'),
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'#default_value' => FALSE,
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'#description' => t('Delete old file type if migration was successful and delete operation is possible (type is not exported in code).'),
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);
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$form['migrate_mimes'] = array(
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'#type' => 'checkbox',
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'#title' => t('Migrate type mime-type'),
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'#default_value' => TRUE,
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'#description' => t('Move mime-type from old type to new one.'),
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);
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$form['upgradable_types'] = array(
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'#type' => 'fieldset',
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'#title' => t('Upgradable file types'),
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);
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$options = array('- ' . t('Do not upgrade') . ' -');
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foreach (file_type_get_enabled_types() as $type) {
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$options[$type->type] = $type->label;
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}
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foreach ($migratable_types as $machine_name) {
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$type = file_type_load($machine_name);
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if (!$type) {
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$type = new stdClass;
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$type->label = $type->type = $machine_name;
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}
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$form['upgradable_types'][$machine_name] = array(
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'#type' => 'select',
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'#title' => $type->label,
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'#options' => $options,
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'#description' => t(
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'Select file type which you want to migrate @type to. Select %no_upgrade if type should stay as it is.',
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array('@type' => $type->label, '%no_upgrade' => '- ' . t('Do not upgrade') . ' -')),
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);
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}
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$form['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Start migration'),
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);
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return $form;
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}
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/**
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* File type migration page submit handler.
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*/
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function media_migrate_file_types_upgrade_file_types_submit($form, &$form_state) {
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$migratable_types = _media_migrate_file_types_get_migratable_file_types();
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$migrate = FALSE;
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foreach ($migratable_types as $type) {
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if ($form_state['values'][$type]) {
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$migrate = TRUE;
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break;
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}
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}
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// Return silently if no types were selected for migration.
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if (!$migrate) {
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return;
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}
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// Use confirmation page/form.
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$query = $form_state['values'];
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unset($query['op']);
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unset($query['submit']);
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unset($query['form_id']);
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unset($query['form_token']);
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unset($query['form_build_id']);
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$form_state['redirect'] = array(
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'admin/structure/file-types/upgrade/confirm',
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array('query' => $query),
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);
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}
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/**
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* File types migration confirmation page.
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*/
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function media_migrate_file_types_upgrade_file_types_confirm($form, &$form_state) {
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return confirm_form(
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$form,
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t('Do you really want to migrate selected file types?'),
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'admin/structure/file-types/upgrade',
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NULL,
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t('Migrate')
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);
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}
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/**
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* File types migration confirmation page submit. Executes actual migration.
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*/
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function media_migrate_file_types_upgrade_file_types_confirm_submit($form, &$form_state) {
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$migratable_types = _media_migrate_file_types_get_migratable_file_types();
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foreach ($migratable_types as $type) {
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if ($_GET[$type] && $bundle_new = file_type_load($_GET[$type])) {
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// Old bundle might be deleted so let's fake some values.
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$bundle_old = file_type_load($type);
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if (empty($bundle_old)) {
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$bundle_old = new stdClass;
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$bundle_old->type = $type;
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$bundle_old->mimetypes = array();
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$bundle_old->export_type = 2;
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}
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// Migrate fields to new bundle.
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if ($_GET['migrate_fields']) {
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$old_fields = db_select('field_config_instance', 'fc')->fields('fc', array('field_name'))->condition('entity_type', 'file')->condition('bundle', $bundle_old->type)->execute()->fetchCol();
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$new_fields = db_select('field_config_instance', 'fc')->fields('fc', array('field_name'))->condition('entity_type', 'file')->condition('bundle', $bundle_new->type)->execute()->fetchCol();
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$fields_to_move = array_diff($old_fields, $new_fields);
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$fields_to_drop = array_diff($old_fields, $fields_to_move);
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if (!empty($fields_to_move)) {
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db_update('field_config_instance')
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->fields(array('bundle' => $bundle_new->type))
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->condition('entity_type', 'file')
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->condition('bundle', $bundle_old->type)
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->condition('field_name', $fields_to_move, 'IN')
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->execute();
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}
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if (!empty($fields_to_drop)) {
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db_delete('field_config_instance')
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->condition('entity_type', 'file')
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->condition('bundle', $bundle_old->type)
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->condition('field_name', $fields_to_drop, 'IN')
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->execute();
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}
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field_cache_clear();
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module_invoke_all('field_attach_rename_bundle', 'file', $bundle_old->type, $bundle_new->type);
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}
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// Migrate mimetypes to new bundle.
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if ($_GET['migrate_mimes']) {
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$changed = FALSE;
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foreach ($bundle_old->mimetypes as $mime) {
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if (!file_entity_match_mimetypes($bundle_new->mimetypes, $mime)) {
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$bundle_new->mimetypes[] = $mime;
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$changed = TRUE;
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}
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}
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if ($changed) {
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file_type_save($bundle_new);
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}
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}
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// Delete old bundle.
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if ($_GET['delete_old_type'] && $bundle_old->export_type == 1) {
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file_type_delete($bundle_old);
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}
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// Migrate files.
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db_update('file_managed')
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->fields(array('type' => $bundle_new->type))
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->condition('type', $bundle_old->type)
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->execute();
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}
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}
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$form_state['redirect'] = 'admin/structure/file-types';
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}
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