[MDL-22112]

Marc's Patch

Moodle 2 Backups

mod/wiki/backup/moodle2/backup_wiki_activity_task.class.php

@@ -0,0 +1,50 @@
+<?php
+
+require_once($CFG->dirroot . '/mod/wiki/backup/moodle2/backup_wiki_stepslib.php'); // Because it exists (must)
+require_once($CFG->dirroot . '/mod/wiki/backup/moodle2/backup_wiki_settingslib.php'); // Because it exists (optional)
+
+/**
+ * wiki backup task that provides all the settings and steps to perform one
+ * complete backup of the activity
+ */
+class backup_wiki_activity_task extends backup_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() {
+        // Wiki only has one structure step
+        $this->add_step(new backup_wiki_activity_structure_step('wiki_structure', 'wiki.xml'));        
+    }
+
+    /**
+     * Code the transformations to perform in the activity in
+     * order to get transportable (encoded) links
+     */
+    static public function encode_content_links($content) {
+		global $CFG;
+
+        $base = preg_quote($CFG->wwwroot,"/");
+
+        // Link to the list of wikis
+        $search="/(".$base."\/mod\/wiki\/index.php\?id\=)([0-9]+)/";
+        $content= preg_replace($search, '$@WIKIINDEX*$2@$', $content);
+
+        // Link to wiki view by moduleid
+        $search="/(".$base."\/mod\/wiki\/view.php\?id\=)([0-9]+)/";
+        $content= preg_replace($search, '$@WIKIVIEWBYID*$2@$', $content);
+
+        // Link to wiki view by pageid
+        $search="/(".$base."\/mod\/wiki\/view.php\?pageid\=)([0-9]+)/";
+        $content= preg_replace($search, '$@WIKIPAGEBYID*$2@$', $content);
+
+        return $content;
+    }
+}

mod/wiki/backup/moodle2/backup_wiki_settingslib.php

@@ -0,0 +1,27 @@
+<?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 moodlecore
+ * @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
+ */
+
+ // This activity has not particular settings but the inherited from the generic
+ // backup_activity_task so here there isn't any class definition, like the ones
+ // existing in /backup/moodle2/backup_settingslib.php (activities section)

mod/wiki/backup/moodle2/backup_wiki_stepslib.php

@@ -0,0 +1,137 @@
+<?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 moodlecore
+ * @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_wiki_activity_task
+ */
+
+/**
+ * Define the complete wiki structure for backup, with file and id annotations
+ */
+class backup_wiki_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
+        $wiki = new backup_nested_element('wiki', array('id'), array(
+            'name', 'intro', 'introformat', 'timecreated', 'timemodified', 
+            'firstpagetitle', 'wikimode', 'defaultformat', 'forceformat', 
+            'editbegin', 'editend'));
+
+        $subwikis = new backup_nested_element('subwikis');
+
+        $subwiki = new backup_nested_element('subwiki', array('id'), array(
+            'groupid', 'userid'));
+
+        $pages = new backup_nested_element('pages');
+
+        $page = new backup_nested_element('page', array('id'), array(
+            'title', 'cachedcontent', 'timecreated', 'timemodified',
+            'timerendered', 'userid', 'pageviews', 'redonly'));
+
+        $synonyms = new backup_nested_element('synonyms');
+
+        $synonym = new backup_nested_element('synonym', array('id'), array(
+            'pageid', 'pagesynonym'));
+
+        $links = new backup_nested_element('links');
+
+        $link = new backup_nested_element('link', array('id'), array(
+            'frompageid', 'topageid', 'tomissingpage'));
+
+        $versions = new backup_nested_element('versions');
+
+        $version = new backup_nested_element('version', array('id'), array(
+            'content', 'contentformat', 'version', 'timecreated',
+            'userid'));
+
+        $comments = new backup_nested_element('comments');
+
+        $comment = new backup_nested_element('comment', array('id'), array(
+            'contextid', 'commentarea', 'content', 'format',
+            'userid', 'timecreated'));
+
+        // Build the tree
+		$wiki->add_child($subwikis);
+        $subwikis->add_child($subwiki);
+
+        $subwiki->add_child($pages);
+        $pages->add_child($page);
+
+        $subwiki->add_child($synonyms);
+        $synonyms->add_child($synonym);
+
+        $subwiki->add_child($links);
+        $links->add_child($link);
+
+        $page->add_child($versions);
+        $versions->add_child($version);
+
+        $page->add_child($comments);
+        $comments->add_child($comment);
+
+        // Define sources
+    	$wiki->set_source_table('wiki', array('id' => backup::VAR_ACTIVITYID));
+
+        // All these source definitions only happen if we are including user info
+		if ($userinfo) {
+			$subwiki->set_source_sql('
+                SELECT *
+                  FROM {wiki_subwikis}
+                 WHERE wikiid = ?',
+                array(backup::VAR_PARENTID));
+
+			$page->set_source_table('wiki_pages', array('subwikiid' => backup::VAR_PARENTID));
+
+			$synonym->set_source_table('wiki_synonyms', array('subwikiid' => backup::VAR_PARENTID));
+
+			$link->set_source_table('wiki_links', array('subwikiid' => backup::VAR_PARENTID));
+
+			$version->set_source_table('wiki_versions', array('pageid' => backup::VAR_PARENTID));
+
+			$comment->set_source_table('comments', array('itemid' => backup::VAR_PARENTID));
+        }
+
+        // Define id annotations
+		$subwiki->annotate_ids('group', 'groupid');
+
+		$subwiki->annotate_ids('user', 'userid');
+
+		$page->annotate_ids('user', 'userid');
+
+		$version->annotate_ids('user', 'userid');
+
+		$comment->annotate_ids('user', 'userid');
+
+        // Define file annotations
+		$wiki->annotate_files(array('wiki_intro'), null); // This file area hasn't itemid
+
+        // Return the root element (wiki), wrapped into standard activity structure
+        return $this->prepare_activity_structure($wiki);
+    }
+
+}

mod/wiki/lib.php

@@ -200,6 +200,8 @@ function wiki_supports($feature) {
         return true;
     case FEATURE_RATE:
         return false;
+    case FEATURE_BACKUP_MOODLE2:
+        return true;
 
     default:
         return null;
@@ -224,11 +226,11 @@ function wiki_print_recent_activity($course, $viewfullnames, $timestart) {
     global $CFG, $DB, $OUTPUT;
 
     if (!$pages = $DB->get_records_sql("SELECT p.*, w.id as wikiid, sw.groupid
-							              FROM {wiki_pages} p
-							              	JOIN {wiki_subwikis} sw ON sw.id = p.subwikiid
-							              	JOIN {wiki} w ON w.id = sw.wikiid
-							            WHERE p.timemodified > ? AND w.course = ?
-							          ORDER BY p.timemodified ASC", array($timestart, $course->id))) {
+                                        FROM {wiki_pages} p
+                                            JOIN {wiki_subwikis} sw ON sw.id = p.subwikiid
+                                            JOIN {wiki} w ON w.id = sw.wikiid
+                                        WHERE p.timemodified > ? AND w.course = ?
+                                        ORDER BY p.timemodified ASC", array($timestart, $course->id))) {
         return false;
     }
     $modinfo =& get_fast_modinfo($course);