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MDL-40956 Course: AJAX course duplication

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This commit is contained in:
Andrew Nicols 2013-08-07 15:51:56 +01:00
parent d28aeeddc0
commit 6982618e89
3 changed files with 164 additions and 1 deletions
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107
course/lib.php
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@ -2039,7 +2039,7 @@ function course_get_cm_edit_actions(cm_info $mod, $indent = -1, $sr = null) {
new moodle_url($baseurl, array('duplicate' => $mod->id)),
new pix_icon('t/copy', $str->duplicate, 'moodle', array('class' => 'iconsmall', 'title' => '')),
$str->duplicate,
array('class' => 'editing_duplicate', 'data-action' => 'duplicate')
array('class' => 'editing_duplicate', 'data-action' => 'duplicate', 'data-sr' => $sr)
);
}
@ -3380,6 +3380,111 @@ function update_module($moduleinfo) {
return $moduleinfo;
}
/**
* Duplicate a module on the course.
*
* @param object $course The course
* @param object $cm The course module to duplicate
* @throws moodle_exception if the plugin doesn't support duplication
* @return Object containing:
* - fullcontent: The HTML markup for the created CM
* - cmid: The CMID of the newly created CM
* - redirect: Whether to trigger a redirect following this change
*/
function mod_duplicate_activity($course, $cm, $sr = null) {
global $CFG, $USER, $PAGE, $DB;
require_once($CFG->dirroot . '/backup/util/includes/backup_includes.php');
require_once($CFG->dirroot . '/backup/util/includes/restore_includes.php');
require_once($CFG->libdir . '/filelib.php');
$a = new stdClass();
$a->modtype = get_string('modulename', $cm->modname);
$a->modname = format_string($cm->name);
if (!plugin_supports('mod', $cm->modname, FEATURE_BACKUP_MOODLE2)) {
throw new moodle_exception('duplicatenosupport', 'error');
}
// backup the activity
$bc = new backup_controller(backup::TYPE_1ACTIVITY, $cm->id, backup::FORMAT_MOODLE,
backup::INTERACTIVE_NO, backup::MODE_IMPORT, $USER->id);
$backupid = $bc->get_backupid();
$backupbasepath = $bc->get_plan()->get_basepath();
$bc->execute_plan();
$bc->destroy();
// restore the backup immediately
$rc = new restore_controller($backupid, $course->id,
backup::INTERACTIVE_NO, backup::MODE_IMPORT, $USER->id, backup::TARGET_CURRENT_ADDING);
$cmcontext = context_module::instance($cm->id);
if (!$rc->execute_precheck()) {
$precheckresults = $rc->get_precheck_results();
if (is_array($precheckresults) && !empty($precheckresults['errors'])) {
if (empty($CFG->keeptempdirectoriesonbackup)) {
fulldelete($backupbasepath);
}
}
}
$rc->execute_plan();
// now a bit hacky part follows - we try to get the cmid of the newly
// restored copy of the module
$newcmid = null;
$tasks = $rc->get_plan()->get_tasks();
foreach ($tasks as $task) {
error_log("Looking at a task");
if (is_subclass_of($task, 'restore_activity_task')) {
error_log("Looking at a restore_activity_task task");
if ($task->get_old_contextid() == $cmcontext->id) {
error_log("Contexts match");
$newcmid = $task->get_moduleid();
break;
}
}
}
// if we know the cmid of the new course module, let us move it
// right below the original one. otherwise it will stay at the
// end of the section
if ($newcmid) {
$info = get_fast_modinfo($course);
$newcm = $info->get_cm($newcmid);
$section = $DB->get_record('course_sections', array('id' => $cm->section, 'course' => $cm->course));
moveto_module($newcm, $section, $cm);
moveto_module($cm, $section, $newcm);
}
rebuild_course_cache($cm->course);
$rc->destroy();
if (empty($CFG->keeptempdirectoriesonbackup)) {
fulldelete($backupbasepath);
}
$resp = new stdClass();
if ($newcm) {
$courserenderer = $PAGE->get_renderer('core', 'course');
$completioninfo = new completion_info($course);
$modulehtml = $courserenderer->course_section_cm($course, $completioninfo,
$newcm, null, array());
$resp->fullcontent = $courserenderer->course_section_cm_list_item($course, $completioninfo, $newcm, $sr);
$resp->cmid = $newcm->id;
} else {
// Trigger a redirect
$resp->redirect = true;
}
return $resp;
}
/**
* Compare two objects to find out their correct order based on timestamp (to be used by usort).
* Sorts by descending order of time.