function forumng_backup_one_mod($bf, $preferences, $forumng)
{
global $CFG;
try {
if (is_numeric($forumng)) {
$forumng = forum_utils::get_record('forumng', 'id', $forumng);
}
$xb = new xml_backup($bf, $preferences, 3);
$xb->tag_start('MOD');
// Required bits
$xb->tag_full('ID', $forumng->id);
$xb->tag_full('MODTYPE', 'forumng');
$xb->tag_full('NAME', $forumng->name);
// Backup versioning
require dirname(__FILE__) . '/version.php';
$xb->tag_full('FORUMNG_VERSION', $module->version);
// Are we doing user data?
$userdata = backup_userdata_selected($preferences, 'forumng', $forumng->id);
// ForumNG-specific
$xb->tag_full_notnull('TYPE', $forumng->type);
$xb->tag_full_notnull('INTRO', $forumng->intro);
$xb->tag_full('RATINGSCALE', $forumng->ratingscale);
$xb->tag_full('RATINGFROM', $forumng->ratingfrom);
$xb->tag_full('RATINGUNTIL', $forumng->ratinguntil);
$xb->tag_full('RATINGTHRESHOLD', $forumng->ratingthreshold);
$xb->tag_full('GRADING', $forumng->grading);
$xb->tag_full('ATTACHMENTMAXBYTES', $forumng->attachmentmaxbytes);
$xb->tag_full('REPORTINGEMAIL', $forumng->reportingemail);
$xb->tag_full('SUBSCRIPTION', $forumng->subscription);
$xb->tag_full('FEEDTYPE', $forumng->feedtype);
$xb->tag_full('FEEDITEMS', $forumng->feeditems);
$xb->tag_full('MAXPOSTSPERIOD', $forumng->maxpostsperiod);
$xb->tag_full('MAXPOSTSBLOCK', $forumng->maxpostsblock);
$xb->tag_full('POSTINGFROM', $forumng->postingfrom);
$xb->tag_full('POSTINGUNTIL', $forumng->postinguntil);
$xb->tag_full_notnull('TYPEDATA', $forumng->typedata);
$xb->tag_full('MAGICNUMBER', $forumng->magicnumber);
$xb->tag_full('COMPLETIONDISCUSSIONS', $forumng->completiondiscussions);
$xb->tag_full('COMPLETIONREPLIES', $forumng->completionreplies);
$xb->tag_full('COMPLETIONPOSTS', $forumng->completionposts);
$xb->tag_full('REMOVEAFTER', $forumng->removeafter);
$xb->tag_full('REMOVETO', $forumng->removeto);
$xb->tag_full('SHARED', $forumng->shared);
// When this is a clone forum, we store the idnumber of the original
// forum so that it can be found afterward; this makes sense rather
// than using the normal cmid mapping because it might be on a different
// course or something, also idnumber is shown in the interface.
if ($forumng->originalcmid) {
$idnumber = get_field('course_modules', 'idnumber', 'id', $forumng->originalcmid);
if ($idnumber) {
$xb->tag_full('ORIGINALCMIDNUMBER', $idnumber);
}
}
// We only back up most content when 'user data' is turned on
if ($userdata) {
$xb->tag_start('DISCUSSIONS');
$rs = forum_utils::get_recordset('forumng_discussions', 'forumid', $forumng->id);
while ($discussion = rs_fetch_next_record($rs)) {
forumng_backup_discussion($xb, $discussion);
}
rs_close($rs);
$xb->tag_end('DISCUSSIONS');
$xb->tag_start('SUBSCRIPTIONS');
$rs = forum_utils::get_recordset('forumng_subscriptions', 'forumid', $forumng->id);
while ($subscription = rs_fetch_next_record($rs)) {
forumng_backup_subscription($xb, $subscription);
}
rs_close($rs);
$xb->tag_end('SUBSCRIPTIONS');
forumng_backup_files($bf, $preferences, $forumng->id);
}
$xb->tag_end('MOD');
return true;
} catch (Exception $e) {
forum_utils::handle_backup_exception($e);
return false;
}
}
function forumng_decode_content_links_caller($restore)
{
// Get all the items that might have links in, from the relevant new course
try {
global $CFG, $db;
// 1. Intros
if ($intros = get_records_select('forumng', 'course=' . $restore->course_id . ' AND intro IS NOT NULL', '', 'id, intro, name')) {
foreach ($intros as $intro) {
$newintro = $intro->intro;
// Special behaviour hidden in intro
$matches = array();
if (preg_match('~%%CMIDNUMBER:([^%]+)%%$~', $newintro, $matches)) {
$newintro = substr($newintro, 0, -strlen($matches[0]));
$idnumber = $matches[1];
$cm = forum::get_shared_cm_from_idnumber($idnumber);
if ($cm) {
set_field('forumng', 'originalcmid', $cm->id, 'id', $intro->id);
} else {
// The original forum cannot be found, so restore
// this as not shared
if (!defined('RESTORE_SILENTLY')) {
$a = (object) array('name' => s($intro->name), 'idnumber' => s($idnumber));
print '<br />' . get_string('error_nosharedforum', 'forumng', $a) . '<br />';
}
}
}
if (preg_match('~%%REMOVETHIS%%$~', $newintro)) {
$newintro = substr($newintro, 0, -14);
}
$newintro = restore_decode_content_links_worker($newintro, $restore);
if ($newintro != $intro->intro) {
if (!set_field('forumng', 'intro', addslashes($newintro), 'id', $intro->id)) {
throw new forum_exception("Failed to set intro for forum {$intro->id}: " . $db->ErrorMsg());
}
}
}
}
// 2. Post content
$rs = get_recordset_sql("\nSELECT\n fp.id, fp.message, fp.format\nFROM\n {$CFG->prefix}forumng f\n INNER JOIN {$CFG->prefix}forumng_discussions d ON d.forumid = f.id\n INNER JOIN {$CFG->prefix}forumng_posts fp ON fp.discussionid = d.id\nWHERE\n f.course={$restore->course_id}\n");
if (!$rs) {
throw new forum_exception("Failed to query for forum data: " . $db->ErrorMsg());
}
while ($rec = rs_fetch_next_record($rs)) {
$newcontent = restore_decode_content_links_worker($rec->message, $restore);
if ($newcontent != $rec->message) {
if (!set_field('forumng_posts', 'message', addslashes($newcontent), 'id', $rec->id)) {
throw new forum_exception("Failed to update content {$ec->id}: " . $db->ErrorMsg());
}
}
}
rs_close($rs);
// 3. Update search data (note this is not actually do with content
// links, but it has to be done here because we need a course-module
// id.
if (forum::search_installed()) {
forumng_ousearch_update_all(false, $restore->course_id);
}
return true;
} catch (Exception $e) {
forum_utils::handle_backup_exception($e, 'restore');
return false;
}
}
