/**
* this function handles all of the necessary session hacks needed by the page course format
*
* @param int $courseid course id (used to ensure user has proper capabilities)
* @param string the action the user is performing
* @uses $SESSION
* @uses $USER
*/
function page_handle_session_hacks($courseid, $action)
{
global $SESSION, $USER, $CFG;
// load up the context for calling has_capability later
$context = get_context_instance(CONTEXT_COURSE, $courseid);
// handle any actions that need to push a little state data to the session
switch ($action) {
case 'deletemod':
if (!confirm_sesskey()) {
error(get_string('confirmsesskeybad', 'error'));
}
if (!isloggedin()) {
// If on site page, then require_login may not be called
// At this point, we make sure the user is logged in
require_login($course->id);
}
if (has_capability('moodle/course:manageactivities', $context)) {
// set some session stuff so we can find our way back to where we were
$SESSION->cfp = new stdClass();
$SESSION->cfp->action = 'finishdeletemod';
$SESSION->cfp->deletemod = required_param('cmid', PARAM_INT);
$SESSION->cfp->id = $courseid;
// redirect to delete mod
redirect($CFG->wwwroot . '/course/mod.php?delete=' . $SESSION->cfp->deletemod . '&sesskey=' . sesskey());
}
break;
}
// handle any cleanup as a result of session being pushed from above block
if (isset($SESSION->cfp)) {
// the user did something we need to clean up after
if (!empty($SESSION->cfp->action)) {
switch ($SESSION->cfp->action) {
case 'finishdeletemod':
if (!isloggedin()) {
// If on site page, then require_login may not be called
// At this point, we make sure the user is logged in
require_login($course->id);
}
if (has_capability('moodle/course:manageactivities', $context)) {
// Get what we need from session then unset it
$sessioncourseid = $SESSION->cfp->id;
$deletecmid = $SESSION->cfp->deletemod;
unset($SESSION->cfp);
// See if the user deleted a module
if (!record_exists('course_modules', 'id', $deletecmid)) {
// Looks like the user deleted this so clear out corresponding entries in format_page_items
if ($pageitems = get_records('format_page_items', 'cmid', $deletecmid)) {
foreach ($pageitems as $pageitem) {
page_block_delete($pageitem);
}
}
}
if ($courseid == $sessioncourseid and empty($action) and !optional_param('page', 0, PARAM_INT)) {
// We are in same course and not performing another action or
// looking at a specific page, so redirect back to manage modules
// for a nice workflow
$action = 'activities';
}
}
break;
default:
// Doesn't match one of our handled session action hacks
unset($SESSION->cfp);
break;
}
}
}
return $action;
}
/**
* This function makes all the necessary calls to {@link restore_decode_content_links_worker()}
* function inorder to decode contents of this block from the backup
* format to destination site/course in order to mantain inter-activities
* working in the backup/restore process.
*
* This is called from {@link restore_decode_content_links()}
* function in the restore process. This function is called regarless of
* the return value from {@link backuprestore_enabled()}.
*
* @param object $restore Standard restore object
* @return boolean
**/
function learning_decode_format_content_links_caller($restore)
{
global $CFG;
$status = true;
// Only need to run this when the restore to course is being
// deleted and created anew or when creating a new one
if ($restore->restoreto == 0 || $restore->restoreto == 2 || $restore->course_format == 1) {
require_once $CFG->dirroot . '/course/format/page/lib.php';
$pageitems = get_records_sql("SELECT i.*\n FROM {$CFG->prefix}format_page p,\n {$CFG->prefix}format_page_items i\n WHERE p.id = i.pageid\n AND p.courseid = {$restore->course_id}\n AND i.blockinstance != 0");
if (!empty($pageitems)) {
foreach ($pageitems as $pageitem) {
$blockinstance = backup_getid($restore->backup_unique_code, 'block_instance', $pageitem->blockinstance);
if (!empty($blockinstance)) {
set_field('format_page_items', 'blockinstance', $blockinstance->new_id, 'id', $pageitem->id);
} else {
// Delete page item
if (page_block_delete($pageitem)) {
if (debugging() and !defined('RESTORE_SILENTLY')) {
echo '<br /><hr />Failed to remap block instance ID and successfully deleted page item ID: ' . $pageitem->id . '<hr /><br />';
}
} else {
if (debugging() and !defined('RESTORE_SILENTLY')) {
echo '<br /><hr />Failed to remap block instance ID and failed to delete page item ID: ' . $pageitem->id . '<hr /><br />';
}
}
}
}
}
}
return $status;
}
/**
* This function makes all the necessary calls to {@link restore_decode_content_links_worker()}
* function inorder to decode contents of this block from the backup
* format to destination site/course in order to mantain inter-activities
* working in the backup/restore process.
*
* This is called from {@link restore_decode_content_links()}
* function in the restore process. This function is called regarless of
* the return value from {@link backuprestore_enabled()}.
*
* @param object $restore Standard restore object
* @return boolean
**/
function page_decode_format_content_links_caller($restore)
{
global $CFG;
$status = true;
// not sure what to do with this function, yet. (nadavkav 10-5-2011)
return $status;
// Only need to run this when the restore to course is being
// deleted and created anew or when creating a new one
if ($restore->restoreto == 0 || $restore->restoreto == 2) {
require_once $CFG->dirroot . '/course/format/page/lib.php';
$pageitems = get_records_sql("SELECT i.*\n FROM {$CFG->prefix}format_page p,\n {$CFG->prefix}format_page_items i\n WHERE p.id = i.pageid\n AND p.courseid = {$restore->course_id}\n AND i.blockinstance != 0");
if (!empty($pageitems)) {
foreach ($pageitems as $pageitem) {
$blockinstance = backup_getid($restore->backup_unique_code, 'block_instance', $pageitem->blockinstance);
if (!empty($blockinstance)) {
set_field('format_page_items', 'blockinstance', $blockinstance->new_id, 'id', $pageitem->id);
} else {
// Delete page item
if (page_block_delete($pageitem)) {
if (debugging() and !defined('RESTORE_SILENTLY')) {
echo '<br /><hr />Failed to remap block instance ID and successfully deleted page item ID: ' . $pageitem->id . '<hr /><br />';
}
} else {
if (debugging() and !defined('RESTORE_SILENTLY')) {
echo '<br /><hr />Failed to remap block instance ID and failed to delete page item ID: ' . $pageitem->id . '<hr /><br />';
}
}
}
}
}
// Relink locks (might be activity based, etc)
$pages = get_records_sql("SELECT p.id, p.locks\n FROM {$CFG->prefix}format_page p\n WHERE p.courseid = {$restore->course_id}\n AND p.locks != ''");
if (!empty($pages)) {
foreach ($pages as $page) {
if (!empty($page->locks)) {
$newlocks = format_page_lock::restore($restore, $page->locks);
if ($newlocks != $page->locks) {
set_field('format_page', 'locks', $newlocks, 'id', $page->id);
}
}
}
}
}
return $status;
}
