From 21e51c868e6b1db75bc65dd1bf1f26e775b6da5d Mon Sep 17 00:00:00 2001
From: Eloy Lafuente <stronk7@moodle.org>
Date: Wed, 21 Jul 2010 22:18:42 +0000
Subject: [PATCH] MDL-21432 backup - filters and comments

---
 backup/moodle2/restore_course_task.class.php | 15 ++++
 backup/moodle2/restore_stepslib.php          | 76 ++++++++++++++++++++
 2 files changed, 91 insertions(+)

diff --git a/backup/moodle2/restore_course_task.class.php b/backup/moodle2/restore_course_task.class.php
index ec2e74adc3f..e65c86939d7 100644
--- a/backup/moodle2/restore_course_task.class.php
+++ b/backup/moodle2/restore_course_task.class.php
@@ -72,6 +72,21 @@ class restore_course_task extends restore_task {
         // Restore course enrolments (plugins and membership)
         $this->add_step(new restore_enrolments_structure_step('course_enrolments', 'enrolments.xml'));
 
+        // Restore course filters (conditionally)
+        if ($this->get_setting_value('filters')) {
+            $this->add_step(new restore_filters_structure_step('course_filters', 'filters.xml'));
+        }
+
+        // Restore course comments (conditionally)
+        if ($this->get_setting_value('comments')) {
+            $this->add_step(new restore_comments_structure_step('course_comments', 'comments.xml'));
+        }
+
+        // Restore course logs (conditionally)
+        if ($this->get_setting_value('logs')) {
+            //$this->add_step(new restore_course_logs_structure_step('course_logs', 'logs.xml'));
+        }
+
         // At the end, mark it as built
         $this->built = true;
     }
diff --git a/backup/moodle2/restore_stepslib.php b/backup/moodle2/restore_stepslib.php
index 9b8c3068309..137861030fa 100644
--- a/backup/moodle2/restore_stepslib.php
+++ b/backup/moodle2/restore_stepslib.php
@@ -694,3 +694,79 @@ class restore_enrolments_structure_step extends restore_structure_step {
         }
     }
 }
+
+
+/**
+ * This structure steps restores the filters and their configs
+ */
+class restore_filters_structure_step extends restore_structure_step {
+
+    protected function define_structure() {
+
+        $paths = array();
+
+        $paths[] = new restore_path_element('active', '/filters/filter_actives/filter_active');
+        $paths[] = new restore_path_element('config', '/filters/filter_configs/filter_config');
+
+        return $paths;
+    }
+
+    public function process_active($data) {
+
+        $data = (object)$data;
+
+        if (!filter_is_enabled($data->filter)) { // Not installed or not enabled, nothing to do
+            return;
+        }
+        filter_set_local_state($data->filter, $this->task->get_contextid(), $data->active);
+    }
+
+    public function process_config($data) {
+
+        $data = (object)$data;
+
+        if (!filter_is_enabled($data->filter)) { // Not installed or not enabled, nothing to do
+            return;
+        }
+        filter_set_local_config($data->filter, $this->task->get_contextid(), $data->name, $data->value);
+    }
+}
+
+
+/**
+ * This structure steps restores the comments
+ * Note: Cannot use the comments API because defaults to USER->id.
+ * That should change allowing to pass $userid
+ */
+class restore_comments_structure_step extends restore_structure_step {
+
+    protected function define_structure() {
+
+        $paths = array();
+
+        $paths[] = new restore_path_element('comment', '/comments/comment');
+
+        return $paths;
+    }
+
+    public function process_comment($data) {
+        global $DB;
+
+        $data = (object)$data;
+
+        // First of all, if the comment has some itemid, ask to the task what to map
+        $mapping = false;
+        $newitemid = 0;
+        if ($data->itemid) {
+            $mapping = $this->task->get_comment_mapping_itemname();
+            $newitemid = $this->get_mappingid($mapping, $data->itemid);
+        }
+        // Only restore the comment if has no mapping OR we have found the matching mapping
+        if (!$mapping || $newitemid) {
+            if ($data->userid = $this->get_mappingid('user', $data->userid)) {
+                $data->contextid = $this->task->get_contextid();
+                $DB->insert_record('comments', $data);
+            }
+        }
+    }
+}