Added Moodle 1.9 -> Moodle 2 converter

mod/lti/backup/moodle1/lib.php

@@ -0,0 +1,115 @@
+<?php
+
+defined('MOODLE_INTERNAL') || die();
+
+class moodle1_mod_lti_handler extends moodle1_mod_handler {
+
+    /** @var moodle1_file_manager */
+    protected $fileman = null;
+
+    /** @var int cmid */
+    protected $moduleid = null;
+
+    /**
+    * Declare the paths in moodle.xml we are able to convert
+    *
+    * The method returns list of {@link convert_path} instances.
+    * For each path returned, the corresponding conversion method must be
+    * defined.
+    *
+    * Note that the path /MOODLE_BACKUP/COURSE/MODULES/MOD/LTI does not
+    * actually exist in the file. The last element with the module name was
+    * appended by the moodle1_converter class.
+    *
+    * @return array of {@link convert_path} instances
+    */
+    public function get_paths() {
+
+        return array(
+            new convert_path(
+                'basiclti', '/MOODLE_BACKUP/COURSE/MODULES/MOD/LTI'
+            )
+        );
+
+    }
+
+    /**
+    * This is executed every time we have one /MOODLE_BACKUP/COURSE/MODULES/MOD/LTI
+    * data available
+    */
+    public function process_basiclti($data) {
+        global $DB;
+
+        // 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);
+
+        // get a fresh new file manager for this instance
+        $this->fileman = $this->converter->get_file_manager($contextid, 'mod_lti');
+
+        // 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);
+
+        // start writing assignment.xml
+        $this->open_xml_writer("activities/lti_{$this->moduleid}/lti.xml");
+        $this->xmlwriter->begin_tag('activity', array('id' => $instanceid, 'moduleid' => $this->moduleid,
+                'modulename' => 'lti', 'contextid' => $contextid));
+        $this->xmlwriter->begin_tag('lti', array('id' => $instanceid));
+
+        $ignore_fields = array('id', 'modtype');
+        if (!$DB->record_exists('lti_types', array('id' => $data['typeid']))) {
+            $ntypeid = $DB->get_field('lti_types_config',
+                                      'typeid',
+                                      array('name' => 'toolurl', 'value' => $data['toolurl']),
+                                      IGNORE_MULTIPLE);
+            if ($ntypeid === false) {
+                $ntypeid = $DB->get_field('lti_types_config',
+                                          'typeid',
+                                          array(),
+                                          IGNORE_MULTIPLE);
+
+            }
+            if ($ntypeid === false) {
+                $ntypeid = 0;
+            }
+            $data['typeid'] = $ntypeid;
+        }
+        if (empty($data['servicesalt'])) {
+            $data['servicesalt'] = uniqid('', true);
+        }
+        foreach ($data as $field => $value) {
+            if (!in_array($field, $ignore_fields)) {
+                $this->xmlwriter->full_tag($field, $value);
+            }
+        }
+
+        return $data;
+    }
+
+    /**
+    * This is executed when we reach the closing </MOD> tag of our 'lti' path
+    */
+    public function on_basiclti_end() {
+        // finish writing basiclti.xml
+        $this->xmlwriter->end_tag('lti');
+        $this->xmlwriter->end_tag('activity');
+        $this->close_xml_writer();
+
+        // write inforef.xml
+        $this->open_xml_writer("activities/lti_{$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();
+    }
+
+}
+