/**
* Update a blog post
*
* @param mixed $post An object containing all required post fields
* @param object $cm Course-module for blog
* @return bool
*/
function oublog_edit_post($post, $cm)
{
global $USER;
if (!isset($post->id) || !($oldpost = get_record('oublog_posts', 'id', $post->id))) {
return false;
}
if (!($post->oubloginstancesid = get_field('oublog_instances', 'id', 'oublogid', $post->oublogid, 'userid', $post->userid))) {
return false;
}
// Begin transaction
$tw = new transaction_wrapper();
// insert edit history
$edit = new stdClass();
$edit->postid = $post->id;
$edit->userid = $USER->id;
$edit->timeupdated = time();
$edit->oldtitle = addslashes($oldpost->title);
$edit->oldmessage = addslashes($oldpost->message);
if (!insert_record('oublog_edits', $edit)) {
$tw->rollback();
return false;
}
// Update tags
if (!oublog_update_item_tags($post->oubloginstancesid, $post->id, $post->tags, $post->visibility)) {
$tw->rollback();
return false;
}
// Update the post
$post->timeupdated = $edit->timeupdated;
$post->lasteditedby = $USER->id;
if (isset($post->groupid)) {
unset($post->groupid);
// Can't change group
}
if (!update_record('oublog_posts', $post)) {
$tw->rollback();
return false;
}
if (!oublog_search_update($post, $cm)) {
$tw->rollback();
return false;
}
$tw->commit();
return true;
}
/**
* Adds a new comment to a wiki page.
* @param int $pageid ID of wiki page
* @param string $sectionxhtmlid XHTML id (without prefix), null/empty for main
* @param string $sectiontitle Title of section. null/empty for main
* @param string $title Title (plain text, no XHTML, so & on its own is OK for instance)
* @param string $xhtml Content in XHTML
* @param int $userid If not specified/0, uses current user. Otherwise can set user
* or use OUWIKI_SYSTEMUSER to leave null for comments generated by system.
*/
function ouwiki_add_comment($pageid, $sectionxhtmlid, $sectiontitle, $title, $xhtml, $userid = 0)
{
$tw = new transaction_wrapper();
// Find or create section for comment
$idclause = $sectionxhtmlid ? "xhtmlid='" . addslashes($sectionxhtmlid) . "'" : "xhtmlid IS NULL";
$section = get_record_select('ouwiki_sections', "pageid={$pageid} AND {$idclause}");
if (!$section) {
$section = new StdClass();
$section->pageid = $pageid;
if ($sectionxhtmlid) {
$section->xhtmlid = addslashes($sectionxhtmlid);
$section->title = addslashes($sectiontitle);
}
if (!($section->id = insert_record('ouwiki_sections', $section))) {
$tw->rollback();
error('Failed to add section into database for comment');
}
}
// Add comment itself
$comment = new StdClass();
$comment->sectionid = $section->id;
if ($title) {
$comment->title = addslashes($title);
}
$comment->xhtml = addslashes($xhtml);
if ($userid == 0) {
global $USER;
$comment->userid = $USER->id;
} else {
if ($userid != -1) {
$comment->userid = $userid;
}
}
$comment->timeposted = time();
if (!($comment->id = insert_record('ouwiki_comments', $comment))) {
$tw->rollback();
error('Failed to add comment to database');
}
$tw->commit();
}
}
if ($oublog->global) {
$blogtype = 'personal';
$oubloguser = $USER;
$viewurl = 'view.php?user='******'course';
$viewurl = 'view.php?id=' . $cm->id;
}
if (!empty($postid) && !empty($confirm)) {
$expost = get_record('oublog_posts', 'id', $postid);
$updatepost = (object) array('id' => $postid, 'deletedby' => $USER->id, 'timedeleted' => time());
$tw = new transaction_wrapper();
update_record('oublog_posts', $updatepost);
if (!oublog_update_item_tags($expost->oubloginstancesid, $expost->id, array(), $expost->visibility)) {
$tw->rollback();
error('Failed to update tags');
}
if (oublog_search_installed()) {
$doc = oublog_get_search_document($updatepost, $cm);
$doc->delete();
}
// Inform completion system, if available
if (class_exists('ouflags')) {
if (completion_is_enabled($course, $cm) && $oublog->completionposts) {
completion_update_state($course, $cm, COMPLETION_INCOMPLETE, $postauthor);
}
}
$tw->commit();
redirect($viewurl);
exit;
function xmldb_ouwiki_upgrade($oldversion = 0)
{
global $CFG, $db;
$result = true;
/// And upgrade begins here. For each one, you'll need one
/// block of code similar to the next one. Please, delete
/// this comment lines once this file start handling proper
/// upgrade code.
/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
/// $result = result of "/lib/ddllib.php" function calls
/// }
if ($result && $oldversion < 2007022300) {
error('Cannot upgrade OU wiki module - please delete it by going to <a href="modules.php">the modules section</a> then delete it. (Module is called Wiki.) Then let it install itself again.');
}
if ($result && $oldversion < 2007041006) {
// First fix some signed-ness, then upgrade database to support comment system
$tw = new transaction_wrapper();
/// Changing sign of field id on table ouwiki_subwikis to unsigned
$table = new XMLDBTable('ouwiki_subwikis');
$field = new XMLDBField('id');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
/// Launch change of sign for field id
$result = $result && change_field_unsigned($table, $field);
/// Changing sign of field id on table ouwiki_pages to unsigned
$table = new XMLDBTable('ouwiki_pages');
$field = new XMLDBField('id');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
/// Launch change of sign for field id
$result = $result && change_field_unsigned($table, $field);
/// Define key ouwiki_pages_fk_forumid (foreign) to be dropped form ouwiki_pages
$table = new XMLDBTable('ouwiki_pages');
$key = new XMLDBKey('ouwiki_pages_fk_forumid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('forumid'), 'forum', array('id'));
/// Launch drop key ouwiki_pages_fk_forumid
$result = $result && drop_key($table, $key);
/// Define field forumid to be dropped from ouwiki_pages
$table = new XMLDBTable('ouwiki_pages');
$field = new XMLDBField('forumid');
/// Launch drop field forumid
$result = $result && drop_field($table, $field);
/// Changing sign of field id on table ouwiki_versions to unsigned
$table = new XMLDBTable('ouwiki_versions');
$field = new XMLDBField('id');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
/// Launch change of sign for field id
$result = $result && change_field_unsigned($table, $field);
/// Changing sign of field id on table ouwiki_links to unsigned
$table = new XMLDBTable('ouwiki_links');
$field = new XMLDBField('id');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
/// Launch change of sign for field id
$result = $result && change_field_unsigned($table, $field);
/// Changing sign of field id on table ouwiki_locks to unsigned
$table = new XMLDBTable('ouwiki_locks');
$field = new XMLDBField('id');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null, null);
/// Launch change of sign for field id
$result = $result && change_field_unsigned($table, $field);
// Due to a bug or issues with xmldb/postgres - MDL-9271 - it lost all the primary keys!
// If this part of the upgrade fails because the primary keys are still there then that's
// ok.
/* XMLDB doesn't let you add primary keys! MDL-9272. Otherwise the code would be as follows:
$table = new XMLDBTable('ouwiki_subwikis');
$key = new XMLDBKey('primary');
$key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
$result = $result && add_key($table, $key);
$table = new XMLDBTable('ouwiki_pages');
$key = new XMLDBKey('primary');
$key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
$result = $result && add_key($table, $key);
$table = new XMLDBTable('ouwiki_versions');
$key = new XMLDBKey('primary');
$key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
$result = $result && add_key($table, $key);
$table = new XMLDBTable('ouwiki_links');
$key = new XMLDBKey('primary');
$key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
$result = $result && add_key($table, $key);
$table = new XMLDBTable('ouwiki_locks');
$key = new XMLDBKey('primary');
$key->setAttributes(XMLDB_KEY_PRIMARY, array('id'));
$result = $result && add_key($table, $key);
*/
// This is Postgres-only
$result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_subwikis ADD CONSTRAINT {$CFG->prefix}ouwisubw_id_pk PRIMARY KEY(id)");
$result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_pages ADD CONSTRAINT {$CFG->prefix}ouwipage_id_pk PRIMARY KEY(id)");
$result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_versions ADD CONSTRAINT {$CFG->prefix}ouwivers_id_pk PRIMARY KEY(id)");
$result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_links ADD CONSTRAINT {$CFG->prefix}ouwilink_id_pk PRIMARY KEY(id)");
$result &= execute_sql("ALTER TABLE {$CFG->prefix}ouwiki_locks ADD CONSTRAINT {$CFG->prefix}ouwilock_id_pk PRIMARY KEY(id)");
/// Define table ouwiki_sections to be created
$table = new XMLDBTable('ouwiki_sections');
/// Adding fields to table ouwiki_sections
$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->addFieldInfo('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('xhtmlid', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
$table->addFieldInfo('title', XMLDB_TYPE_CHAR, '255', null, XMLDB_NOTNULL, null, null, null, null);
/// Adding keys to table ouwiki_sections
$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->addKeyInfo('ouwiki_sections_fk_pageid', XMLDB_KEY_FOREIGN, array('pageid'), 'ouwiki_pages', array('id'));
/// Launch create table for ouwiki_sections
$result = $result && create_table($table);
/// Define table ouwiki_comments to be created
$table = new XMLDBTable('ouwiki_comments');
/// Adding fields to table ouwiki_comments
$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->addFieldInfo('pagesectionid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('title', XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null);
$table->addFieldInfo('xhtml', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
$table->addFieldInfo('timeposted', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('deleted', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0');
/// Adding keys to table ouwiki_comments
$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
$table->addKeyInfo('oucontent_comments_pagesectionid_fk', XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
$table->addKeyInfo('oucontent_comments_userid_fk', XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
/// Launch create table for ouwiki_comments
$result = $result && create_table($table);
if ($result) {
$tw->commit();
} else {
$tw->rollback();
}
}
if ($result && $oldversion < 2007041007) {
/// Changing nullability of field title on table ouwiki_sections to not null
$table = new XMLDBTable('ouwiki_sections');
$field = new XMLDBField('title');
$field->setAttributes(XMLDB_TYPE_CHAR, '255', null, null, null, null, null, null, 'xhtmlid');
/// Launch change of nullability for field title
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2007041103) {
$result &= ouwiki_argh_fix_default('subwikis');
$result &= ouwiki_argh_fix_default('pages');
$result &= ouwiki_argh_fix_default('versions');
$result &= ouwiki_argh_fix_default('links');
$result &= ouwiki_argh_fix_default('locks');
}
if ($result && $oldversion < 2007041700) {
/// Define key oucontent_comments_sectionid_fk (foreign) to be dropped form ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('oucontent_comments_pagesectionid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
/// Launch drop key oucontent_comments_pagesectionid_fk
$result = $result && drop_key($table, $key);
/// Rename field pagesectionid on table ouwiki_comments to sectionid
$table = new XMLDBTable('ouwiki_comments');
$field = new XMLDBField('pagesectionid');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'id');
/// Launch rename field pagesectionid
$result = $result && rename_field($table, $field, 'sectionid');
/// Define key ouwiki_comments_sectionid_fk (foreign) to be added to ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('ouwiki_comments_sectionid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('sectionid'), 'ouwiki_sections', array('id'));
/// Launch add key oucontent_comments_sectionid_fk
$result = $result && add_key($table, $key);
}
if ($result && $oldversion == 2007041700) {
/// Define key oucontent_comments_sectionid_fk (foreign) to be dropped form ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('oucontent_comments_pagesectionid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('pagesectionid'), 'ouwiki_sections', array('id'));
/// Launch drop key oucontent_comments_pagesectionid_fk
$result = $result && drop_key($table, $key);
/// Define key ouwiki_comments_sectionid_fk (foreign) to be added to ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('ouwiki_comments_sectionid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('sectionid'), 'ouwiki_sections', array('id'));
/// Launch add key oucontent_comments_sectionid_fk
$result = $result && add_key($table, $key);
}
if ($result && $oldversion < 2007041701) {
/// Define key oucontent_comments_userid_fk (foreign) to be dropped form ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('oucontent_comments_userid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
/// Launch drop key oucontent_comments_userid_fk
$result = $result && drop_key($table, $key);
/// Define key ouwiki_comments_userid_fk (foreign) to be added to ouwiki_comments
$table = new XMLDBTable('ouwiki_comments');
$key = new XMLDBKey('ouwiki_comments_userid_fk');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('userid'), 'user', array('id'));
/// Launch add key ouwiki_comments_userid_fk
$result = $result && add_key($table, $key);
}
if ($result && $oldversion < 2007102900) {
/// Define field magic to be added to ouwiki_subwikis
$table = new XMLDBTable('ouwiki_subwikis');
$field = new XMLDBField('magic');
$field->setAttributes(XMLDB_TYPE_INTEGER, '16', XMLDB_UNSIGNED, null, null, null, null, null, 'userid');
/// Launch add field magic
$result = $result && add_field($table, $field);
/// Set up all existing field values
$rs = get_recordset('ouwiki_subwikis', '', '', '', 'id');
while ($rec = rs_fetch_next_record($rs)) {
$magicnumber = ouwiki_generate_magic_number();
set_field('ouwiki_subwikis', 'magic', $magicnumber, 'id', $rec->id);
}
rs_close($rs);
/// Changing nullability of field magic on table ouwiki_subwikis to not null
$field->setAttributes(XMLDB_TYPE_INTEGER, '16', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null, 'userid');
/// Launch change of nullability for field magic
$result = $result && change_field_notnull($table, $field);
}
if ($result && $oldversion < 2008073000) {
/// Define field completionpages to be added to ouwiki
$table = new XMLDBTable('ouwiki');
$field = new XMLDBField('completionpages');
$field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'editend');
/// Launch add field completionpages
$result = $result && add_field($table, $field);
/// Define field completionedits to be added to ouwiki
$field = new XMLDBField('completionedits');
$field->setAttributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completionpages');
/// Launch add field completionedits
$result = $result && add_field($table, $field);
}
if ($result && $oldversion < 2008100600) {
/// Define field deletedat to be added to ouwiki_versions
$table = new XMLDBTable('ouwiki_versions');
$field = new XMLDBField('deletedat');
$field->setAttributes(XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null, 'changeprevsize');
/// Launch add field deletedat (provided field does not already exist)
if (!field_exists($table, $field)) {
$result = $result && add_field($table, $field);
}
}
if ($result && $oldversion < 2010022300) {
// Add ouwiki delete page capability to admin role if it exists
// Check whether necessary
$name = 'Administrator';
$shortname = 'admin';
if (($role = get_record('role', 'name', $name)) || ($role = get_record('role', 'shortname', $shortname))) {
if ($sitecontext = get_context_instance(CONTEXT_SYSTEM, SITEID)) {
// Check role has delete page capability (assign if not)
$cap = 'mod/ouwiki:deletepage';
if (!($rcap = get_record('role_capabilities', 'roleid', $role->id, 'capability', $cap, 'contextid', $sitecontext->id))) {
assign_capability($cap, CAP_ALLOW, $role->id, $sitecontext->id);
}
}
}
}
if ($result && $oldversion < 2009120801) {
$tw = new transaction_wrapper();
/// Define table ouwiki_annotations to be created
$table = new XMLDBTable('ouwiki_annotations');
/// Adding fields to table ouwiki_annotations
$table->addFieldInfo('id', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, XMLDB_SEQUENCE, null, null, null);
$table->addFieldInfo('pageid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('userid', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, null, null, null, null, null);
$table->addFieldInfo('timemodified', XMLDB_TYPE_INTEGER, '10', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, null);
$table->addFieldInfo('content', XMLDB_TYPE_TEXT, 'medium', null, XMLDB_NOTNULL, null, null, null, null);
/// Adding keys to table ouwiki_annotations
$table->addKeyInfo('primary', XMLDB_KEY_PRIMARY, array('id'));
/// Launch create table for ouwiki_annotations - if it does not already exist (extra precaution)
if (!table_exists($table)) {
$result = $result && create_table($table);
}
/// Define field locked to be added to ouwiki_pages
$table = new XMLDBTable('ouwiki_pages');
$field = new XMLDBField('locked');
$field->setAttributes(XMLDB_TYPE_INTEGER, '1', null, XMLDB_NOTNULL, null, null, null, '0', 'currentversionid');
/// Launch add field locked - if it does not already exist (extra precaution)
if (!field_exists($table, $field)) {
$result = $result && add_field($table, $field);
}
if ($result) {
$tw->commit();
} else {
$tw->rollback();
}
}
if ($result && $oldversion < 2010022300) {
/// Define field commenting to be added to ouwiki
$table = new XMLDBTable('ouwiki');
$field = new XMLDBField('commenting');
$field->setAttributes(XMLDB_TYPE_CHAR, '20', null, null, null, null, null, 'default', 'completionedits');
/// Launch add field commenting - if it does not already exist (extra precaution)
if (!field_exists($table, $field)) {
$result = $result && add_field($table, $field);
}
}
if ($result && $oldversion < 2010042201) {
/// Define key subwikiid (foreign) to be added to ouwiki_pages
$table = new XMLDBTable('ouwiki_pages');
$key = new XMLDBKey('subwikiid');
$key->setAttributes(XMLDB_KEY_FOREIGN, array('subwikiid'), 'ouwiki_subwikis', array('id'));
/// Launch add key subwikiid
if (!index_exists($table, $key)) {
$result = $result && add_key($table, $key);
}
}
return $result;
}