first commit

mod/data/backup/moodle1/lib.php

@@ -0,0 +1,172 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Provides support for the conversion of moodle1 backup to the moodle2 format
+ * Based off of a template @ http://docs.moodle.org/dev/Backup_1.9_conversion_for_developers
+ *
+ * @package    mod_data
+ * @copyright  2011 Aparup Banerjee <aparup@moodle.com>
+ * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * Database conversion handler
+ */
+class moodle1_mod_data_handler extends moodle1_mod_handler {
+
+    /** @var moodle1_file_manager */
+    protected $fileman = null;
+
+    /** @var int cmid */
+    protected $moduleid = null;
+
+    /**
+     * Declare the paths in moodle.xml we are able to convert
+     *
+     * The method returns list of {@link convert_path} instances.
+     * For each path returned, the corresponding conversion method must be
+     * defined.
+     *
+     * Note that the path /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA does not
+     * actually exist in the file. The last element with the module name was
+     * appended by the moodle1_converter class.
+     *
+     * @return array of {@link convert_path} instances
+     */
+    public function get_paths() {
+        return array(
+            new convert_path('data', '/MOODLE_BACKUP/COURSE/MODULES/MOD/DATA',
+                        array(
+                            'newfields' => array(
+                                'introformat' => 0,
+                                'assesstimestart' => 0,
+                                'assesstimefinish' => 0,
+                            )
+                        )
+                    ),
+            new convert_path('data_field', '/MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/FIELDS/FIELD')
+        );
+    }
+
+    /**
+     * This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA
+     * data available
+     */
+    public function process_data($data) {
+        global $CFG;
+
+        // get the course module id and context id
+        $instanceid     = $data['id'];
+        $cminfo         = $this->get_cminfo($instanceid);
+        $this->moduleid = $cminfo['id'];
+        $contextid      = $this->converter->get_contextid(CONTEXT_MODULE, $this->moduleid);
+
+        // replay the upgrade step 2007101512
+        if (!array_key_exists('asearchtemplate', $data)) {
+            $data['asearchtemplate'] = null;
+        }
+
+        // replay the upgrade step 2007101513
+        if (is_null($data['notification'])) {
+            $data['notification'] = 0;
+        }
+
+        // conditionally migrate to html format in intro
+        if ($CFG->texteditors !== 'textarea') {
+            $data['intro'] = text_to_html($data['intro'], false, false, true);
+            $data['introformat'] = FORMAT_HTML;
+        }
+
+        // get a fresh new file manager for this instance
+        $this->fileman = $this->converter->get_file_manager($contextid, 'mod_data');
+
+        // convert course files embedded into the intro
+        $this->fileman->filearea = 'intro';
+        $this->fileman->itemid   = 0;
+        $data['intro'] = moodle1_converter::migrate_referenced_files($data['intro'], $this->fileman);
+
+        // @todo: user data - upgrade content to new file storage
+
+        // add 'export' tag to list and single template.
+        $pattern = '/\#\#delete\#\#(\s+)\#\#approve\#\#/';
+        $replacement = '##delete##$1##approve##$1##export##';
+        $data['listtemplate'] = preg_replace($pattern, $replacement, $data['listtemplate']);
+        $data['singletemplate'] = preg_replace($pattern, $replacement, $data['singletemplate']);
+
+        //@todo: user data - move data comments to comments table
+        //@todo: user data - move data ratings to ratings table
+
+        // start writing data.xml
+        $this->open_xml_writer("activities/data_{$this->moduleid}/data.xml");
+        $this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $this->moduleid,
+            'modulename' => 'data', 'contextid' => $contextid));
+        $this->xmlwriter->begin_tag('data', array('id' => $instanceid));
+
+        foreach ($data as $field => $value) {
+            if ($field <> 'id') {
+                $this->xmlwriter->full_tag($field, $value);
+            }
+        }
+
+        $this->xmlwriter->begin_tag('fields');
+
+        return $data;
+    }
+
+    /**
+     * This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/FIELDS/FIELD
+     * data available
+     */
+    public function process_data_field($data) {
+        // process database fields
+        $this->write_xml('field', $data, array('/field/id'));
+    }
+
+    /**
+     * This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/DATA/RECORDS/RECORD
+     * data available
+     */
+    public function process_data_record($data) {
+        //@todo process user data, and define the convert path in get_paths() above.
+        //$this->write_xml('record', $data, array('/record/id'));
+    }
+
+    /**
+     * This is executed when we reach the closing </MOD> tag of our 'data' path
+     */
+    public function on_data_end() {
+        // finish writing data.xml
+        $this->xmlwriter->end_tag('fields');
+        $this->xmlwriter->end_tag('data');
+        $this->xmlwriter->end_tag('activity');
+        $this->close_xml_writer();
+
+        // write inforef.xml
+        $this->open_xml_writer("activities/data_{$this->moduleid}/inforef.xml");
+        $this->xmlwriter->begin_tag('inforef');
+        $this->xmlwriter->begin_tag('fileref');
+        foreach ($this->fileman->get_fileids() as $fileid) {
+            $this->write_xml('file', array('id' => $fileid));
+        }
+        $this->xmlwriter->end_tag('fileref');
+        $this->xmlwriter->end_tag('inforef');
+        $this->close_xml_writer();
+    }
+}

mod/data/backup/moodle2/backup_data_activity_task.class.php

@@ -0,0 +1,78 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Defines backup_data_activity_task
+ *
+ * @package     mod_data
+ * @category    backup
+ * @copyright   2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license     http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/data/backup/moodle2/backup_data_stepslib.php');
+
+/**
+ * Provides the steps to perform one complete backup of the Database instance
+ */
+class backup_data_activity_task extends backup_activity_task {
+
+    /**
+     * No specific settings for this activity
+     */
+    protected function define_my_settings() {
+    }
+
+    /**
+     * Defines a backup step to store the instance data in the data.xml file
+     */
+    protected function define_my_steps() {
+        $this->add_step(new backup_data_activity_structure_step('data_structure', 'data.xml'));
+    }
+
+    /**
+     * Encodes URLs to the index.php and view.php scripts
+     *
+     * @param string $content some HTML text that eventually contains URLs to the activity instance scripts
+     * @return string the content with the URLs encoded
+     */
+    public static function encode_content_links($content) {
+        global $CFG;
+
+        $base = preg_quote($CFG->wwwroot,"/");
+
+        // Link to the list of datas
+        $search="/(".$base."\/mod\/data\/index.php\?id\=)([0-9]+)/";
+        $content= preg_replace($search, '$@DATAINDEX*$2@$', $content);
+
+        // Link to data view by moduleid
+        $search="/(".$base."\/mod\/data\/view.php\?id\=)([0-9]+)/";
+        $content= preg_replace($search, '$@DATAVIEWBYID*$2@$', $content);
+
+        /// Link to database view by databaseid
+        $search="/(".$base."\/mod\/data\/view.php\?d\=)([0-9]+)/";
+        $content= preg_replace($search,'$@DATAVIEWBYD*$2@$', $content);
+
+        /// Link to one "record" of the database
+        $search="/(".$base."\/mod\/data\/view.php\?d\=)([0-9]+)\&(amp;)rid\=([0-9]+)/";
+        $content= preg_replace($search,'$@DATAVIEWRECORD*$2*$4@$', $content);
+
+        return $content;
+    }
+}

mod/data/backup/moodle2/backup_data_stepslib.php

@@ -0,0 +1,143 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    mod_data
+ * @subpackage backup-moodle2
+ * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+/**
+ * Define all the backup steps that will be used by the backup_data_activity_task
+ */
+
+/**
+ * Define the complete data structure for backup, with file and id annotations
+ */
+class backup_data_activity_structure_step extends backup_activity_structure_step {
+
+    protected function define_structure() {
+
+        // To know if we are including userinfo
+        $userinfo = $this->get_setting_value('userinfo');
+
+        // Define each element separated
+        $data = new backup_nested_element('data', array('id'), array(
+            'name', 'intro', 'introformat', 'comments',
+            'timeavailablefrom', 'timeavailableto', 'timeviewfrom', 'timeviewto',
+            'requiredentries', 'requiredentriestoview', 'maxentries', 'rssarticles',
+            'singletemplate', 'listtemplate', 'listtemplateheader', 'listtemplatefooter',
+            'addtemplate', 'rsstemplate', 'rsstitletemplate', 'csstemplate',
+            'jstemplate', 'asearchtemplate', 'approval', 'manageapproved', 'scale',
+            'assessed', 'assesstimestart', 'assesstimefinish', 'defaultsort',
+            'defaultsortdir', 'editany', 'notification', 'timemodified', 'config', 'completionentries'));
+
+        $tags = new backup_nested_element('recordstags');
+        $tag = new backup_nested_element('tag', array('id'), array('itemid', 'rawname'));
+
+        $fields = new backup_nested_element('fields');
+
+        $field = new backup_nested_element('field', array('id'), array(
+            'type', 'name', 'description', 'required', 'param1', 'param2',
+            'param3', 'param4', 'param5', 'param6',
+            'param7', 'param8', 'param9', 'param10'));
+
+        $records = new backup_nested_element('records');
+
+        $record = new backup_nested_element('record', array('id'), array(
+            'userid', 'groupid', 'timecreated', 'timemodified',
+            'approved'));
+
+        $contents = new backup_nested_element('contents');
+
+        $content = new backup_nested_element('content', array('id'), array(
+            'fieldid', 'content', 'content1', 'content2',
+            'content3', 'content4'));
+
+        $ratings = new backup_nested_element('ratings');
+
+        $rating = new backup_nested_element('rating', array('id'), array(
+            'component', 'ratingarea', 'scaleid', 'value', 'userid', 'timecreated', 'timemodified'));
+
+        // Build the tree
+        $data->add_child($fields);
+        $fields->add_child($field);
+
+        $data->add_child($records);
+        $records->add_child($record);
+
+        $record->add_child($contents);
+        $contents->add_child($content);
+
+        $record->add_child($ratings);
+        $ratings->add_child($rating);
+
+        $data->add_child($tags);
+        $tags->add_child($tag);
+
+        // Define sources
+        $data->set_source_table('data', array('id' => backup::VAR_ACTIVITYID));
+
+        $field->set_source_sql('
+            SELECT *
+              FROM {data_fields}
+             WHERE dataid = ?',
+            array(backup::VAR_PARENTID));
+
+        // All the rest of elements only happen if we are including user info
+        if ($userinfo) {
+            $record->set_source_table('data_records', array('dataid' => backup::VAR_PARENTID));
+
+            $content->set_source_table('data_content', array('recordid' => backup::VAR_PARENTID));
+
+            $rating->set_source_table('rating', array('contextid'  => backup::VAR_CONTEXTID,
+                                                      'itemid'     => backup::VAR_PARENTID,
+                                                      'component'  => backup_helper::is_sqlparam('mod_data'),
+                                                      'ratingarea' => backup_helper::is_sqlparam('entry')));
+            $rating->set_source_alias('rating', 'value');
+            if (core_tag_tag::is_enabled('mod_data', 'data_records')) {
+                $tag->set_source_sql('SELECT t.id, ti.itemid, t.rawname
+                                        FROM {tag} t
+                                        JOIN {tag_instance} ti
+                                          ON ti.tagid = t.id
+                                       WHERE ti.itemtype = ?
+                                         AND ti.component = ?
+                                         AND ti.contextid = ?', array(
+                    backup_helper::is_sqlparam('data_records'),
+                    backup_helper::is_sqlparam('mod_data'),
+                    backup::VAR_CONTEXTID));
+            }
+        }
+
+        // Define id annotations
+        $data->annotate_ids('scale', 'scale');
+
+        $record->annotate_ids('user', 'userid');
+        $record->annotate_ids('group', 'groupid');
+
+        $rating->annotate_ids('scale', 'scaleid');
+        $rating->annotate_ids('user', 'userid');
+
+        // Define file annotations
+        $data->annotate_files('mod_data', 'intro', null); // This file area hasn't itemid
+        $content->annotate_files('mod_data', 'content', 'id'); // By content->id
+
+        // Return the root element (data), wrapped into standard activity structure
+        return $this->prepare_activity_structure($data);
+    }
+}

mod/data/backup/moodle2/restore_data_activity_task.class.php

@@ -0,0 +1,138 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    mod_data
+ * @subpackage backup-moodle2
+ * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+require_once($CFG->dirroot . '/mod/data/backup/moodle2/restore_data_stepslib.php'); // Because it exists (must)
+
+/**
+ * data restore task that provides all the settings and steps to perform one
+ * complete restore of the activity
+ */
+class restore_data_activity_task extends restore_activity_task {
+
+    /**
+     * Define (add) particular settings this activity can have
+     */
+    protected function define_my_settings() {
+        // No particular settings for this activity
+    }
+
+    /**
+     * Define (add) particular steps this activity can have
+     */
+    protected function define_my_steps() {
+        // Data only has one structure step
+        $this->add_step(new restore_data_activity_structure_step('data_structure', 'data.xml'));
+    }
+
+    /**
+     * Define the contents in the activity that must be
+     * processed by the link decoder
+     */
+    public static function define_decode_contents() {
+        $contents = array();
+
+        $contents[] = new restore_decode_content('data', array(
+                              'intro', 'singletemplate', 'listtemplate', 'listtemplateheader', 'listtemplatefooter',
+                              'addtemplate', 'rsstemplate', 'rsstitletemplate', 'asearchtemplate'), 'data');
+        $contents[] = new restore_decode_content('data_fields', array(
+                              'description', 'param1', 'param2', 'param3',
+                              'param4', 'param5', 'param6', 'param7',
+                              'param8', 'param9', 'param10'), 'data_field');
+        $contents[] = new restore_decode_content('data_content', array(
+                              'content', 'content1', 'content2', 'content3', 'content4'));
+
+        return $contents;
+    }
+
+    /**
+     * Define the decoding rules for links belonging
+     * to the activity to be executed by the link decoder
+     */
+    public static function define_decode_rules() {
+        $rules = array();
+
+        $rules[] = new restore_decode_rule('DATAVIEWBYID', '/mod/data/view.php?id=$1', 'course_module');
+        $rules[] = new restore_decode_rule('DATAVIEWBYD', '/mod/data/view.php?d=$1', 'data');
+        $rules[] = new restore_decode_rule('DATAINDEX', '/mod/data/index.php?id=$1', 'course');
+        $rules[] = new restore_decode_rule('DATAVIEWRECORD', '/mod/data/view.php?d=$1&amp;rid=$2', array('data', 'data_record'));
+
+        return $rules;
+
+    }
+
+    /**
+     * Define the restore log rules that will be applied
+     * by the {@link restore_logs_processor} when restoring
+     * data logs. It must return one array
+     * of {@link restore_log_rule} objects
+     */
+    public static function define_restore_log_rules() {
+        $rules = array();
+
+        $rules[] = new restore_log_rule('data', 'add', 'view.php?d={data}&rid={data_record}', '{data}');
+        $rules[] = new restore_log_rule('data', 'update', 'view.php?d={data}&rid={data_record}', '{data}');
+        $rules[] = new restore_log_rule('data', 'view', 'view.php?id={course_module}', '{data}');
+        $rules[] = new restore_log_rule('data', 'record delete', 'view.php?id={course_module}', '{data}');
+        $rules[] = new restore_log_rule('data', 'fields add', 'field.php?d={data}&mode=display&fid={data_field}', '{data_field}');
+        $rules[] = new restore_log_rule('data', 'fields update', 'field.php?d={data}&mode=display&fid={data_field}', '{data_field}');
+        $rules[] = new restore_log_rule('data', 'fields delete', 'field.php?d={data}', '[name]');
+
+        return $rules;
+    }
+
+    /**
+     * Define the restore log rules that will be applied
+     * by the {@link restore_logs_processor} when restoring
+     * course logs. It must return one array
+     * of {@link restore_log_rule} objects
+     *
+     * Note this rules are applied when restoring course logs
+     * by the restore final task, but are defined here at
+     * activity level. All them are rules not linked to any module instance (cmid = 0)
+     */
+    public static function define_restore_log_rules_for_course() {
+        $rules = array();
+
+        $rules[] = new restore_log_rule('data', 'view all', 'index.php?id={course}', null);
+
+        return $rules;
+    }
+
+    /**
+     * Given a commment area, return the itemname that contains the itemid mappings.
+     *
+     * @param string $commentarea Comment area name e.g. database_entry.
+     * @return string name of the mapping used to determine the itemid.
+     */
+    public function get_comment_mapping_itemname($commentarea) {
+        if ($commentarea == 'database_entry') {
+            $itemname = 'data_record';
+        } else {
+            $itemname = parent::get_comment_mapping_itemname($commentarea);
+        }
+        return $itemname;
+    }
+}

mod/data/backup/moodle2/restore_data_stepslib.php

@@ -0,0 +1,186 @@
+<?php
+
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * @package    mod_data
+ * @subpackage backup-moodle2
+ * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+/**
+ * Define all the restore steps that will be used by the restore_data_activity_task
+ */
+
+/**
+ * Structure step to restore one data activity
+ */
+class restore_data_activity_structure_step extends restore_activity_structure_step {
+
+    protected function define_structure() {
+
+        $paths = array();
+        $userinfo = $this->get_setting_value('userinfo');
+
+        $paths[] = new restore_path_element('data', '/activity/data');
+        $paths[] = new restore_path_element('data_field', '/activity/data/fields/field');
+        if ($userinfo) {
+            $paths[] = new restore_path_element('data_record', '/activity/data/records/record');
+            $paths[] = new restore_path_element('data_content', '/activity/data/records/record/contents/content');
+            $paths[] = new restore_path_element('data_rating', '/activity/data/records/record/ratings/rating');
+            $paths[] = new restore_path_element('data_record_tag', '/activity/data/recordstags/tag');
+        }
+
+        // Return the paths wrapped into standard activity structure
+        return $this->prepare_activity_structure($paths);
+    }
+
+    protected function process_data($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+        $data->course = $this->get_courseid();
+
+        // Any changes to the list of dates that needs to be rolled should be same during course restore and course reset.
+        // See MDL-9367.
+        $data->timeavailablefrom = $this->apply_date_offset($data->timeavailablefrom);
+        $data->timeavailableto = $this->apply_date_offset($data->timeavailableto);
+        $data->timeviewfrom = $this->apply_date_offset($data->timeviewfrom);
+        $data->timeviewto = $this->apply_date_offset($data->timeviewto);
+        $data->assesstimestart = $this->apply_date_offset($data->assesstimestart);
+        $data->assesstimefinish = $this->apply_date_offset($data->assesstimefinish);
+
+        if ($data->scale < 0) { // scale found, get mapping
+            $data->scale = -($this->get_mappingid('scale', abs($data->scale)));
+        }
+
+        // Some old backups can arrive with data->notification = null (MDL-24470)
+        // convert them to proper column default (zero)
+        if (is_null($data->notification)) {
+            $data->notification = 0;
+        }
+
+        // insert the data record
+        $newitemid = $DB->insert_record('data', $data);
+        $this->apply_activity_instance($newitemid);
+    }
+
+    protected function process_data_field($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+
+        $data->dataid = $this->get_new_parentid('data');
+        $data->type = clean_param($data->type, PARAM_ALPHA);
+
+        // insert the data_fields record
+        $newitemid = $DB->insert_record('data_fields', $data);
+        $this->set_mapping('data_field', $oldid, $newitemid, false); // no files associated
+    }
+
+    protected function process_data_record($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+
+        $data->userid = $this->get_mappingid('user', $data->userid);
+        $data->groupid = $this->get_mappingid('group', $data->groupid);
+        $data->dataid = $this->get_new_parentid('data');
+
+        // insert the data_records record
+        $newitemid = $DB->insert_record('data_records', $data);
+        $this->set_mapping('data_record', $oldid, $newitemid, false); // no files associated
+    }
+
+    protected function process_data_content($data) {
+        global $DB;
+
+        $data = (object)$data;
+        $oldid = $data->id;
+
+        $data->fieldid = $this->get_mappingid('data_field', $data->fieldid);
+        $data->recordid = $this->get_new_parentid('data_record');
+
+        // insert the data_content record
+        $newitemid = $DB->insert_record('data_content', $data);
+        $this->set_mapping('data_content', $oldid, $newitemid, true); // files by this itemname
+    }
+
+    /**
+     * Add tags to restored records.
+     *
+     * @param stdClass $data Tag
+     */
+    protected function process_data_record_tag($data) {
+        $data = (object)$data;
+
+        if (!core_tag_tag::is_enabled('mod_data', 'data_records')) { // Tags disabled in server, nothing to process.
+            return;
+        }
+
+        if (!$itemid = $this->get_mappingid('data_record', $data->itemid)) {
+            // Some orphaned tag, we could not find the data record for it - ignore.
+            return;
+        }
+
+        $tag = $data->rawname;
+        $context = context_module::instance($this->task->get_moduleid());
+        core_tag_tag::add_item_tag('mod_data', 'data_records', $itemid, $context, $tag);
+    }
+
+    protected function process_data_rating($data) {
+        global $DB;
+
+        $data = (object)$data;
+
+        // Cannot use ratings API, cause, it's missing the ability to specify times (modified/created)
+        $data->contextid = $this->task->get_contextid();
+        $data->itemid    = $this->get_new_parentid('data_record');
+        if ($data->scaleid < 0) { // scale found, get mapping
+            $data->scaleid = -($this->get_mappingid('scale', abs($data->scaleid)));
+        }
+        $data->rating = $data->value;
+        $data->userid = $this->get_mappingid('user', $data->userid);
+
+        // We need to check that component and ratingarea are both set here.
+        if (empty($data->component)) {
+            $data->component = 'mod_data';
+        }
+        if (empty($data->ratingarea)) {
+            $data->ratingarea = 'entry';
+        }
+
+        $newitemid = $DB->insert_record('rating', $data);
+    }
+
+    protected function after_execute() {
+        global $DB;
+        // Add data related files, no need to match by itemname (just internally handled context)
+        $this->add_related_files('mod_data', 'intro', null);
+        // Add content related files, matching by itemname (data_content)
+        $this->add_related_files('mod_data', 'content', 'data_content');
+        // Adjust the data->defaultsort field
+        if ($defaultsort = $DB->get_field('data', 'defaultsort', array('id' => $this->get_new_parentid('data')))) {
+            if ($defaultsort = $this->get_mappingid('data_field', $defaultsort)) {
+                $DB->set_field('data', 'defaultsort', $defaultsort, array('id' => $this->get_new_parentid('data')));
+            }
+        }
+    }
+}