/**
* Update imscp instance.
* @param object $data
* @param object $mform
* @return bool true
*/
function imscp_update_instance($data, $mform)
{
global $CFG, $DB;
require_once "{$CFG->dirroot}/mod/imscp/locallib.php";
$cmid = $data->coursemodule;
$data->timemodified = time();
$data->id = $data->instance;
$data->structure = null;
// Better reparse structure after each update.
$DB->update_record('imscp', $data);
$context = context_module::instance($cmid);
$imscp = $DB->get_record('imscp', array('id' => $data->id), '*', MUST_EXIST);
if (!empty($data->package) && ($draftareainfo = file_get_draft_area_info($data->package)) && $draftareainfo['filecount']) {
$fs = get_file_storage();
$imscp->revision++;
$DB->update_record('imscp', $imscp);
// Get a list of existing packages before adding new package.
if ($imscp->keepold > -1) {
$packages = $fs->get_area_files($context->id, 'mod_imscp', 'backup', false, "itemid ASC", false);
} else {
$packages = array();
}
file_save_draft_area_files($data->package, $context->id, 'mod_imscp', 'backup', $imscp->revision, array('subdirs' => 0, 'maxfiles' => 1));
$files = $fs->get_area_files($context->id, 'mod_imscp', 'backup', $imscp->revision, '', false);
$package = reset($files);
// Purge all extracted content.
$fs->delete_area_files($context->id, 'mod_imscp', 'content');
// Extract package content.
if ($package) {
$packer = get_file_packer('application/zip');
$package->extract_to_storage($packer, $context->id, 'mod_imscp', 'content', $imscp->revision, '/');
}
// Cleanup old package files, keep current + keep old.
while ($packages and count($packages) > $imscp->keepold) {
$package = array_shift($packages);
$fs->delete_area_files($context->id, 'mod_imscp', 'backup', $package->get_itemid());
}
}
$structure = imscp_parse_structure($imscp, $context);
$imscp->structure = is_array($structure) ? serialize($structure) : null;
$DB->update_record('imscp', $imscp);
return true;
}
/**
* Update imscp instance.
* @param object $data
* @param object $mform
* @return bool true
*/
function imscp_update_instance($data, $mform) {
global $CFG, $DB;
require_once("$CFG->dirroot/mod/imscp/locallib.php");
$cmid = $data->coursemodule;
$data->timemodified = time();
$data->id = $data->instance;
$data->structure = null; // better reparse structure after each update
$DB->update_record('imscp', $data);
$context = get_context_instance(CONTEXT_MODULE, $cmid);
$imscp = $DB->get_record('imscp', array('id'=>$data->id), '*', MUST_EXIST);
if ($filename = $mform->get_new_filename('package')) {
$fs = get_file_storage();
$imscp->revision++;
$DB->update_record('imscp', $imscp);
// get a list of existing packages before adding new package
if ($imscp->keepold > -1) {
$packages = $fs->get_area_files($context->id, 'mod_imscp', 'backup', false, "itemid ASC", false);
} else {
$packages = array();
}
$package = $mform->save_stored_file('package', $context->id, 'mod_imscp', 'backup', $imscp->revision, '/', $filename);
// purge all extracted content
$fs->delete_area_files($context->id, 'mod_imscp', 'content');
// extract package content
if ($package) {
$packer = get_file_packer('application/zip');
$package->extract_to_storage($packer, $context->id, 'mod_imscp', 'content', $imscp->revision, '/');
}
// cleanup old package files, keep current + keepold
while ($packages and (count($packages) > $imscp->keepold)) {
$package = array_shift($packages);
$fs->delete_area_files($context->id, 'mod_imscp', 'backup', $package->get_itemid());
}
}
$structure = imscp_parse_structure($imscp, $context);
$imscp->structure = is_array($structure) ? serialize($structure) : null;
$DB->update_record('imscp', $imscp);
return true;
}
/**
* Migrate imscp module data from 1.9 resource_old table to new imscp table
* @return void
*/
function imscp_20_migrate()
{
global $CFG, $DB, $OUTPUT;
require_once "{$CFG->libdir}/filelib.php";
require_once "{$CFG->dirroot}/course/lib.php";
require_once "{$CFG->dirroot}/mod/imscp/locallib.php";
if (!file_exists("{$CFG->dirroot}/mod/resource/db/upgradelib.php")) {
// bad luck, somebody deleted resource module
return;
}
require_once "{$CFG->dirroot}/mod/resource/db/upgradelib.php";
// create resource_old table and copy resource table there if needed
if (!resource_20_prepare_migration()) {
// no modules or fresh install
return;
}
$candidates = $DB->get_recordset('resource_old', array('type' => 'ims', 'migrated' => 0));
if (!$candidates->valid()) {
$candidates->close();
// Not going to iterate (but exit), close rs
return;
}
$fs = get_file_storage();
foreach ($candidates as $candidate) {
upgrade_set_timeout(60);
if ($CFG->texteditors !== 'textarea') {
$intro = text_to_html($candidate->intro, false, false, true);
$introformat = FORMAT_HTML;
} else {
$intro = $candidate->intro;
$introformat = FORMAT_MOODLE;
}
$imscp = new stdClass();
$imscp->course = $candidate->course;
$imscp->name = $candidate->name;
$imscp->intro = $intro;
$imscp->introformat = $introformat;
$imscp->revision = 1;
$imscp->keepold = 1;
$imscp->timemodified = time();
if (!($imscp = resource_migrate_to_module('imscp', $candidate, $imscp))) {
continue;
}
$context = get_context_instance(CONTEXT_MODULE, $candidate->cmid);
$root = "{$CFG->dataroot}/{$candidate->course}/{$CFG->moddata}/resource/{$candidate->oldid}";
// migrate package backup file
if ($candidate->reference) {
$package = basename($candidate->reference);
$fullpath = $root . '/' . $package;
if (file_exists($fullpath)) {
$file_record = array('contextid' => $context->id, 'component' => 'mod_imscp', 'filearea' => 'backup', 'itemid' => 1, 'filepath' => '/', 'filename' => $package);
$fs->create_file_from_pathname($file_record, $fullpath);
}
}
// migrate extracted package data
$files = imsc_migrate_get_old_files($root, '');
if (empty($files)) {
// if ims package doesn't exist, continue loop
echo $OUTPUT->notification("IMS package data cannot be found, failed migrating activity: \"{$candidate->name}\", please fix it manually");
continue;
}
$file_record = array('contextid' => $context->id, 'component' => 'mod_imscp', 'filearea' => 'content', 'itemid' => 1);
$error = false;
foreach ($files as $relname => $fullpath) {
$parts = explode('/', $relname);
$file_record['filename'] = array_pop($parts);
$parts[] = '';
// keep trailing slash
$file_record['filepath'] = implode('/', $parts);
try {
$fs->create_file_from_pathname($file_record, $fullpath);
} catch (Exception $e) {
//continue on error, we can not recover anyway
$error = true;
echo $OUTPUT->notification("IMSCP: failed migrating file: {$relname}");
}
}
unset($files);
// parse manifest
$structure = imscp_parse_structure($imscp, $context);
$imscp->structure = is_array($structure) ? serialize($structure) : null;
$DB->update_record('imscp', $imscp);
// remove old moddata dir only if no error and manifest ok
if (!$error and is_array($structure)) {
fulldelete($root);
}
}
$candidates->close();
// clear all course modinfo caches
rebuild_course_cache(0, true);
}
