moodle/mod/feedback/import.php

290 lines
9.8 KiB
PHP

<?php
/**
* prints the form to import items from xml-file
*
* @author Andreas Grabs
* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
* @package feedback
*/
require_once("../../config.php");
require_once("lib.php");
require_once('import_form.php');
// get parameters
$id = required_param('id', PARAM_INT);
$choosefile = optional_param('choosefile', false, PARAM_PATH);
$action = optional_param('action', false, PARAM_ALPHA);
$url = new moodle_url('/mod/feedback/import.php', array('id'=>$id));
if ($choosefile !== false) {
$url->param('choosefile', $choosefile);
}
if ($action !== false) {
$url->param('action', $action);
}
$PAGE->set_url($url);
if (! $cm = get_coursemodule_from_id('feedback', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id"=>$cm->course))) {
print_error('coursemisconf');
}
if (! $feedback = $DB->get_record("feedback", array("id"=>$cm->instance))) {
print_error('invalidcoursemodule');
}
if (!$context = get_context_instance(CONTEXT_MODULE, $cm->id)) {
print_error('badcontext');
}
require_login($course->id, true, $cm);
require_capability('mod/feedback:edititems', $context);
$mform = new feedback_import_form();
$newformdata = array('id'=>$id,
'deleteolditems'=>'1',
'action'=>'choosefile',
'confirmadd'=>'1',
'do_show'=>'templates');
$mform->set_data($newformdata);
$formdata = $mform->get_data();
if ($mform->is_cancelled()) {
redirect('edit.php?id='.$id.'&do_show=templates');
}
// unset($filename);
// if ($action == 'choosefile' AND confirm_sesskey() ) {
////file checks out ok
// $fileisgood = false;
////work out if this is an uploaded file
////or one from the filesarea.
// if ($choosefile) {
// $filename = "{$CFG->dataroot}/{$course->id}/{$choosefile}";
// }
// }
// process if we are happy file is ok
if ($choosefile) {
$xmlcontent = $mform->get_file_content('choosefile');
if(!$xmldata = feedback_load_xml_data($xmlcontent)) {
print_error('cannotloadxml', 'feedback', 'edit.php?id='.$id);
}
$importerror = feedback_import_loaded_data($xmldata, $feedback->id);
if($importerror->stat == true) {
redirect('edit.php?id='.$id.'&do_show=templates', get_string('import_successfully', 'feedback'), 3);
exit;
}
}
/// Print the page header
$strfeedbacks = get_string("modulenameplural", "feedback");
$strfeedback = get_string("modulename", "feedback");
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_title(format_string($feedback->name));
echo $OUTPUT->header();
/// print the tabs
include('tabs.php');
/// Print the main part of the page
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
echo $OUTPUT->heading(get_string('import_questions','feedback'));
if(isset($importerror->msg) AND is_array($importerror->msg)) {
echo $OUTPUT->box_start('generalbox errorboxcontent boxaligncenter');
foreach($importerror->msg as $msg) {
echo $msg.'<br />';
}
echo $OUTPUT->box_end();
}
$mform->display();
// echo $OUTPUT->container_start('mdl-align');
// echo $OUTPUT->single_button(new moodle_url('edit.php', array('id'=>$id, 'do_show'=>'templates')), get_string('cancel'));
// echo $OUTPUT->container_end();
echo $OUTPUT->footer();
function feedback_load_xml_data($xmlcontent) {
global $CFG;
require_once($CFG->dirroot.'/lib/xmlize.php');
if(!$xmlcontent = feedback_check_xml_utf8($xmlcontent)) return false;
$data = xmlize($xmlcontent, 1, 'UTF-8');
if(intval($data['FEEDBACK']['@']['VERSION']) != 200701) {
return false;
}
$data = $data['FEEDBACK']['#']['ITEMS'][0]['#']['ITEM'];
return $data;
}
function feedback_import_loaded_data(&$data, $feedbackid){
global $CFG, $DB;
feedback_load_feedback_items();
$deleteolditems = optional_param('deleteolditems', 0, PARAM_INT);
$error = new object();
$error->stat = true;
$error->msg = array();
if(!is_array($data)) {
$error->msg[] = get_string('data_is_not_an_array', 'feedback');
$error->stat = false;
return $error;
}
if($deleteolditems) {
feedback_delete_all_items($feedbackid);
$position = 0;
} else {
//items will be add to the end of the existing items
$position = $DB->count_records('feedback_item', array('feedback'=>$feedbackid));
}
//depend items we are storing temporary in an mapping list array(new id => dependitem)
//we also store a mapping of all items array(oldid => newid)
$dependitemsmap = array();
$itembackup = array();
foreach($data as $item) {
$position++;
//check the typ
$typ = $item['@']['TYPE'];
//check oldtypes first
switch($typ) {
case 'radio':
$typ = 'multichoice';
$oldtyp = 'radio';
break;
case 'dropdown':
$typ = 'multichoice';
$oldtyp = 'dropdown';
break;
case 'check':
$typ = 'multichoice';
$oldtyp = 'check';
break;
case 'radiorated':
$typ = 'multichoicerated';
$oldtyp = 'radiorated';
break;
case 'dropdownrated':
$typ = 'multichoicerated';
$oldtyp = 'dropdownrated';
break;
default:
$oldtyp = $typ;
}
$itemclass = 'feedback_item_'.$typ;
if($typ != 'pagebreak' AND !class_exists($itemclass)) {
$error->stat = false;
$error->msg[] = 'type ('.$typ.') not found';
continue;
}
$itemobj = new $itemclass();
$newitem = new object();
$newitem->feedback = $feedbackid;
$newitem->template = 0;
$newitem->typ = $typ;
$newitem->name = trim($item['#']['ITEMTEXT'][0]['#']);
$newitem->label = trim($item['#']['ITEMLABEL'][0]['#']);
$newitem->options = trim($item['#']['OPTIONS'][0]['#']);
$newitem->presentation = trim($item['#']['PRESENTATION'][0]['#']);
//check old types of radio, check, and so on
switch($oldtyp) {
case 'radio':
$newitem->presentation = 'r>>>>>'.$newitem->presentation;
break;
case 'dropdown':
$newitem->presentation = 'd>>>>>'.$newitem->presentation;
break;
case 'check':
$newitem->presentation = 'c>>>>>'.$newitem->presentation;
break;
case 'radiorated':
$newitem->presentation = 'r>>>>>'.$newitem->presentation;
break;
case 'dropdownrated':
$newitem->presentation = 'd>>>>>'.$newitem->presentation;
break;
}
if(isset($item['#']['DEPENDITEM'][0]['#'])) {
$newitem->dependitem = intval($item['#']['DEPENDITEM'][0]['#']);
}else {
$newitem->dependitem = 0;
}
if(isset($item['#']['DEPENDVALUE'][0]['#'])) {
$newitem->dependvalue = trim($item['#']['DEPENDVALUE'][0]['#']);
}else {
$newitem->dependvalue = '';
}
$olditemid = intval($item['#']['ITEMID'][0]['#']);
if($typ != 'pagebreak') {
$newitem->hasvalue = $itemobj->get_hasvalue();
}else {
$newitem->hasvalue = 0;
}
$newitem->required = intval($item['@']['REQUIRED']);
$newitem->position = $position;
$newid = $DB->insert_record('feedback_item', $newitem);
$itembackup[$olditemid] = $newid;
if($newitem->dependitem) {
$dependitemsmap[$newid] = $newitem->dependitem;
}
}
//remapping the dependency
foreach($dependitemsmap as $key => $dependitem) {
$newitem = $DB->get_record('feedback_item', array('id'=>$key));
$newitem->dependitem = $itembackup[$newitem->dependitem];
$DB->update_record('feedback_item', $newitem);
}
return $error;
}
function feedback_check_xml_utf8($text) {
//find the encoding
$searchpattern = '/^\<\?xml.+(encoding=\"([a-z0-9-]*)\").+\?\>/is';
if(!preg_match($searchpattern, $text, $match)) return false; //no xml-file
//$match[0] = \<\? xml ... \?\> (without \)
//$match[1] = encoding="...."
//$match[2] = ISO-8859-1 or so on
if(isset($match[0]) AND !isset($match[1])){ //no encoding given. we assume utf-8
return $text;
}
if(isset($match[0]) AND isset($match[1]) AND isset($match[2])) { //encoding is given in $match[2]
$enc = $match[2];
$textlib = textlib_get_instance();
return $textlib->convert($text, $enc);
}
}
?>