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lib.php
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lib.php
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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Library of functions and constants for module glossary
* (replace glossary with the name of your module and delete this line)
*
* @package mod_glossary
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once($CFG->libdir . '/completionlib.php');
define("GLOSSARY_SHOW_ALL_CATEGORIES", 0);
define("GLOSSARY_SHOW_NOT_CATEGORISED", -1);
define("GLOSSARY_NO_VIEW", -1);
define("GLOSSARY_STANDARD_VIEW", 0);
define("GLOSSARY_CATEGORY_VIEW", 1);
define("GLOSSARY_DATE_VIEW", 2);
define("GLOSSARY_AUTHOR_VIEW", 3);
define("GLOSSARY_ADDENTRY_VIEW", 4);
define("GLOSSARY_IMPORT_VIEW", 5);
define("GLOSSARY_EXPORT_VIEW", 6);
define("GLOSSARY_APPROVAL_VIEW", 7);
// Glossary tabs.
define('GLOSSARY_STANDARD', 'standard');
define('GLOSSARY_AUTHOR', 'author');
define('GLOSSARY_CATEGORY', 'category');
define('GLOSSARY_DATE', 'date');
// Glossary displayformats.
define('GLOSSARY_CONTINUOUS', 'continuous');
define('GLOSSARY_DICTIONARY', 'dictionary');
define('GLOSSARY_FULLWITHOUTAUTHOR', 'fullwithoutauthor');
require_once(__DIR__ . '/deprecatedlib.php');
/// STANDARD FUNCTIONS ///////////////////////////////////////////////////////////
/**
* @global object
* @param object $glossary
* @return int
*/
function glossary_add_instance($glossary) {
global $DB;
/// Given an object containing all the necessary data,
/// (defined by the form in mod_form.php) this function
/// will create a new instance and return the id number
/// of the new instance.
if (empty($glossary->ratingtime) or empty($glossary->assessed)) {
$glossary->assesstimestart = 0;
$glossary->assesstimefinish = 0;
}
if (empty($glossary->globalglossary) ) {
$glossary->globalglossary = 0;
}
if (!has_capability('mod/glossary:manageentries', context_system::instance())) {
$glossary->globalglossary = 0;
}
$glossary->timecreated = time();
$glossary->timemodified = $glossary->timecreated;
//Check displayformat is a valid one
$formats = get_list_of_plugins('mod/glossary/formats','TEMPLATE');
if (!in_array($glossary->displayformat, $formats)) {
throw new \moodle_exception('unknowformat', '', '', $glossary->displayformat);
}
$returnid = $DB->insert_record("glossary", $glossary);
$glossary->id = $returnid;
glossary_grade_item_update($glossary);
$completiontimeexpected = !empty($glossary->completionexpected) ? $glossary->completionexpected : null;
\core_completion\api::update_completion_date_event($glossary->coursemodule,
'glossary', $glossary->id, $completiontimeexpected);
return $returnid;
}
/**
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will update an existing instance with new data.
*
* @global object
* @global object
* @param object $glossary
* @return bool
*/
function glossary_update_instance($glossary) {
global $CFG, $DB;
if (empty($glossary->globalglossary)) {
$glossary->globalglossary = 0;
}
if (!has_capability('mod/glossary:manageentries', context_system::instance())) {
// keep previous
unset($glossary->globalglossary);
}
$glossary->timemodified = time();
$glossary->id = $glossary->instance;
if (empty($glossary->ratingtime) or empty($glossary->assessed)) {
$glossary->assesstimestart = 0;
$glossary->assesstimefinish = 0;
}
//Check displayformat is a valid one
$formats = get_list_of_plugins('mod/glossary/formats','TEMPLATE');
if (!in_array($glossary->displayformat, $formats)) {
throw new \moodle_exception('unknowformat', '', '', $glossary->displayformat);
}
$DB->update_record("glossary", $glossary);
if ($glossary->defaultapproval) {
$DB->execute("UPDATE {glossary_entries} SET approved = 1 where approved <> 1 and glossaryid = ?", array($glossary->id));
}
glossary_grade_item_update($glossary);
$completiontimeexpected = !empty($glossary->completionexpected) ? $glossary->completionexpected : null;
\core_completion\api::update_completion_date_event($glossary->coursemodule,
'glossary', $glossary->id, $completiontimeexpected);
return true;
}
/**
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @global object
* @param int $id glossary id
* @return bool success
*/
function glossary_delete_instance($id) {
global $DB, $CFG;
if (!$glossary = $DB->get_record('glossary', array('id'=>$id))) {
return false;
}
if (!$cm = get_coursemodule_from_instance('glossary', $id)) {
return false;
}
if (!$context = context_module::instance($cm->id, IGNORE_MISSING)) {
return false;
}
$fs = get_file_storage();
if ($glossary->mainglossary) {
// unexport entries
$sql = "SELECT ge.id, ge.sourceglossaryid, cm.id AS sourcecmid
FROM {glossary_entries} ge
JOIN {modules} m ON m.name = 'glossary'
JOIN {course_modules} cm ON (cm.module = m.id AND cm.instance = ge.sourceglossaryid)
WHERE ge.glossaryid = ? AND ge.sourceglossaryid > 0";
if ($exported = $DB->get_records_sql($sql, array($id))) {
foreach ($exported as $entry) {
$entry->glossaryid = $entry->sourceglossaryid;
$entry->sourceglossaryid = 0;
$newcontext = context_module::instance($entry->sourcecmid);
if ($oldfiles = $fs->get_area_files($context->id, 'mod_glossary', 'attachment', $entry->id)) {
foreach ($oldfiles as $oldfile) {
$file_record = new stdClass();
$file_record->contextid = $newcontext->id;
$fs->create_file_from_storedfile($file_record, $oldfile);
}
$fs->delete_area_files($context->id, 'mod_glossary', 'attachment', $entry->id);
$entry->attachment = '1';
} else {
$entry->attachment = '0';
}
$DB->update_record('glossary_entries', $entry);
}
}
} else {
// move exported entries to main glossary
$sql = "UPDATE {glossary_entries}
SET sourceglossaryid = 0
WHERE sourceglossaryid = ?";
$DB->execute($sql, array($id));
}
// Delete any dependent records
$entry_select = "SELECT id FROM {glossary_entries} WHERE glossaryid = ?";
$DB->delete_records_select('comments', "contextid=? AND commentarea=? AND itemid IN ($entry_select)", array($id, 'glossary_entry', $context->id));
$DB->delete_records_select('glossary_alias', "entryid IN ($entry_select)", array($id));
$category_select = "SELECT id FROM {glossary_categories} WHERE glossaryid = ?";
$DB->delete_records_select('glossary_entries_categories', "categoryid IN ($category_select)", array($id));
$DB->delete_records('glossary_categories', array('glossaryid'=>$id));
$DB->delete_records('glossary_entries', array('glossaryid'=>$id));
// delete all files
$fs->delete_area_files($context->id);
glossary_grade_item_delete($glossary);
\core_completion\api::update_completion_date_event($cm->id, 'glossary', $glossary->id, null);
$DB->delete_records('glossary', array('id'=>$id));
// Reset caches.
\mod_glossary\local\concept_cache::reset_glossary($glossary);
return true;
}
/**
* Return a small object with summary information about what a
* user has done with a given particular instance of this module
* Used for user activity reports.
* $return->time = the time they did it
* $return->info = a short text description
*
* @param object $course
* @param object $user
* @param object $mod
* @param object $glossary
* @return object|null
*/
function glossary_user_outline($course, $user, $mod, $glossary) {
global $CFG;
require_once("$CFG->libdir/gradelib.php");
$grades = grade_get_grades($course->id, 'mod', 'glossary', $glossary->id, $user->id);
if (empty($grades->items[0]->grades)) {
$grade = false;
} else {
$grade = reset($grades->items[0]->grades);
}
if ($entries = glossary_get_user_entries($glossary->id, $user->id)) {
$result = new stdClass();
$result->info = count($entries) . ' ' . get_string("entries", "glossary");
$lastentry = array_pop($entries);
$result->time = $lastentry->timemodified;
if ($grade) {
if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
$result->info .= ', ' . get_string('gradenoun') . ': ' . $grade->str_long_grade;
} else {
$result->info = get_string('gradenoun') . ': ' . get_string('hidden', 'grades');
}
}
return $result;
} else if ($grade) {
$result = (object) [
'time' => grade_get_date_for_user_grade($grade, $user),
];
if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
$result->info = get_string('gradenoun') . ': ' . $grade->str_long_grade;
} else {
$result->info = get_string('gradenoun') . ': ' . get_string('hidden', 'grades');
}
return $result;
}
return NULL;
}
/**
* @global object
* @param int $glossaryid
* @param int $userid
* @return array
*/
function glossary_get_user_entries($glossaryid, $userid) {
/// Get all the entries for a user in a glossary
global $DB;
return $DB->get_records_sql("SELECT e.*, u.firstname, u.lastname, u.email, u.picture
FROM {glossary} g, {glossary_entries} e, {user} u
WHERE g.id = ?
AND e.glossaryid = g.id
AND e.userid = ?
AND e.userid = u.id
ORDER BY e.timemodified ASC", array($glossaryid, $userid));
}
/**
* Print a detailed representation of what a user has done with
* a given particular instance of this module, for user activity reports.
*
* @global object
* @param object $course
* @param object $user
* @param object $mod
* @param object $glossary
*/
function glossary_user_complete($course, $user, $mod, $glossary) {
global $CFG, $OUTPUT;
require_once("$CFG->libdir/gradelib.php");
$grades = grade_get_grades($course->id, 'mod', 'glossary', $glossary->id, $user->id);
if (!empty($grades->items[0]->grades)) {
$grade = reset($grades->items[0]->grades);
if (!$grade->hidden || has_capability('moodle/grade:viewhidden', context_course::instance($course->id))) {
echo $OUTPUT->container(get_string('gradenoun') . ': ' . $grade->str_long_grade);
if ($grade->str_feedback) {
echo $OUTPUT->container(get_string('feedback').': '.$grade->str_feedback);
}
} else {
echo $OUTPUT->container(get_string('gradenoun') . ': ' . get_string('hidden', 'grades'));
}
}
if ($entries = glossary_get_user_entries($glossary->id, $user->id)) {
echo '<table width="95%" border="0"><tr><td>';
foreach ($entries as $entry) {
$cm = get_coursemodule_from_instance("glossary", $glossary->id, $course->id);
glossary_print_entry($course, $cm, $glossary, $entry,"","",0);
echo '<p>';
}
echo '</td></tr></table>';
}
}
/**
* Returns all glossary entries since a given time for specified glossary
*
* @param array $activities sequentially indexed array of objects
* @param int $index
* @param int $timestart
* @param int $courseid
* @param int $cmid
* @param int $userid defaults to 0
* @param int $groupid defaults to 0
* @return void adds items into $activities and increases $index
*/
function glossary_get_recent_mod_activity(&$activities, &$index, $timestart, $courseid, $cmid, $userid = 0, $groupid = 0) {
global $COURSE, $USER, $DB;
if ($COURSE->id == $courseid) {
$course = $COURSE;
} else {
$course = $DB->get_record('course', array('id' => $courseid));
}
$modinfo = get_fast_modinfo($course);
$cm = $modinfo->cms[$cmid];
$context = context_module::instance($cm->id);
if (!$cm->uservisible) {
return;
}
$viewfullnames = has_capability('moodle/site:viewfullnames', $context);
// Groups are not yet supported for glossary. See MDL-10728 .
/*
$accessallgroups = has_capability('moodle/site:accessallgroups', $context);
$groupmode = groups_get_activity_groupmode($cm, $course);
*/
$params['timestart'] = $timestart;
if ($userid) {
$userselect = "AND u.id = :userid";
$params['userid'] = $userid;
} else {
$userselect = '';
}
if ($groupid) {
$groupselect = 'AND gm.groupid = :groupid';
$groupjoin = 'JOIN {groups_members} gm ON gm.userid=u.id';
$params['groupid'] = $groupid;
} else {
$groupselect = '';
$groupjoin = '';
}
$approvedselect = "";
if (!has_capability('mod/glossary:approve', $context)) {
$approvedselect = " AND ge.approved = 1 ";
}
$params['timestart'] = $timestart;
$params['glossaryid'] = $cm->instance;
$userfieldsapi = \core_user\fields::for_userpic();
$ufields = $userfieldsapi->get_sql('u', false, '', 'userid', false)->selects;
$entries = $DB->get_records_sql("
SELECT ge.id AS entryid, ge.glossaryid, ge.concept, ge.definition, ge.approved,
ge.timemodified, $ufields
FROM {glossary_entries} ge
JOIN {user} u ON u.id = ge.userid
$groupjoin
WHERE ge.timemodified > :timestart
AND ge.glossaryid = :glossaryid
$approvedselect
$userselect
$groupselect
ORDER BY ge.timemodified ASC", $params);
if (!$entries) {
return;
}
foreach ($entries as $entry) {
// Groups are not yet supported for glossary. See MDL-10728 .
/*
$usersgroups = null;
if ($entry->userid != $USER->id) {
if ($groupmode == SEPARATEGROUPS and !$accessallgroups) {
if (is_null($usersgroups)) {
$usersgroups = groups_get_all_groups($course->id, $entry->userid, $cm->groupingid);
if (is_array($usersgroups)) {
$usersgroups = array_keys($usersgroups);
} else {
$usersgroups = array();
}
}
if (!array_intersect($usersgroups, $modinfo->get_groups($cm->groupingid))) {
continue;
}
}
}
*/
$tmpactivity = new stdClass();
$tmpactivity->user = user_picture::unalias($entry, null, 'userid');
$tmpactivity->user->fullname = fullname($tmpactivity->user, $viewfullnames);
$tmpactivity->type = 'glossary';
$tmpactivity->cmid = $cm->id;
$tmpactivity->glossaryid = $entry->glossaryid;
$tmpactivity->name = format_string($cm->name, true);
$tmpactivity->sectionnum = $cm->sectionnum;
$tmpactivity->timestamp = $entry->timemodified;
$tmpactivity->content = new stdClass();
$tmpactivity->content->entryid = $entry->entryid;
$tmpactivity->content->concept = $entry->concept;
$tmpactivity->content->definition = $entry->definition;
$tmpactivity->content->approved = $entry->approved;
$activities[$index++] = $tmpactivity;
}
return true;
}
/**
* Outputs the glossary entry indicated by $activity
*
* @param object $activity the activity object the glossary resides in
* @param int $courseid the id of the course the glossary resides in
* @param bool $detail not used, but required for compatibilty with other modules
* @param int $modnames not used, but required for compatibilty with other modules
* @param bool $viewfullnames not used, but required for compatibilty with other modules
* @return void
*/
function glossary_print_recent_mod_activity($activity, $courseid, $detail, $modnames, $viewfullnames) {
global $OUTPUT;
echo html_writer::start_tag('div', array('class'=>'glossary-activity clearfix'));
if (!empty($activity->user)) {
echo html_writer::tag('div', $OUTPUT->user_picture($activity->user, array('courseid'=>$courseid)),
array('class' => 'glossary-activity-picture'));
}
echo html_writer::start_tag('div', array('class'=>'glossary-activity-content'));
echo html_writer::start_tag('div', array('class'=>'glossary-activity-entry'));
if (isset($activity->content->approved) && !$activity->content->approved) {
$urlparams = array('g' => $activity->glossaryid, 'mode' => 'approval', 'hook' => $activity->content->concept);
$class = array('class' => 'dimmed_text');
} else {
$urlparams = array('g' => $activity->glossaryid, 'mode' => 'entry', 'hook' => $activity->content->entryid);
$class = array();
}
echo html_writer::link(new moodle_url('/mod/glossary/view.php', $urlparams),
strip_tags($activity->content->concept), $class);
echo html_writer::end_tag('div');
$url = new moodle_url('/user/view.php', array('course'=>$courseid, 'id'=>$activity->user->id));
$name = $activity->user->fullname;
$link = html_writer::link($url, $name, $class);
echo html_writer::start_tag('div', array('class'=>'user'));
echo $link .' - '. userdate($activity->timestamp);
echo html_writer::end_tag('div');
echo html_writer::end_tag('div');
echo html_writer::end_tag('div');
return;
}
/**
* Given a course and a time, this module should find recent activity
* that has occurred in glossary activities and print it out.
* Return true if there was output, or false is there was none.
*
* @global object
* @global object
* @global object
* @param object $course
* @param object $viewfullnames
* @param int $timestart
* @return bool
*/
function glossary_print_recent_activity($course, $viewfullnames, $timestart) {
global $CFG, $USER, $DB, $OUTPUT, $PAGE;
//TODO: use timestamp in approved field instead of changing timemodified when approving in 2.0
if (!defined('GLOSSARY_RECENT_ACTIVITY_LIMIT')) {
define('GLOSSARY_RECENT_ACTIVITY_LIMIT', 50);
}
$modinfo = get_fast_modinfo($course);
$ids = array();
foreach ($modinfo->cms as $cm) {
if ($cm->modname != 'glossary') {
continue;
}
if (!$cm->uservisible) {
continue;
}
$ids[$cm->instance] = $cm->id;
}
if (!$ids) {
return false;
}
// generate list of approval capabilities for all glossaries in the course.
$approvals = array();
foreach ($ids as $glinstanceid => $glcmid) {
$context = context_module::instance($glcmid);
if (has_capability('mod/glossary:view', $context)) {
// get records glossary entries that are approved if user has no capability to approve entries.
if (has_capability('mod/glossary:approve', $context)) {
$approvals[] = ' ge.glossaryid = :glsid'.$glinstanceid.' ';
} else {
$approvals[] = ' (ge.approved = 1 AND ge.glossaryid = :glsid'.$glinstanceid.') ';
}
$params['glsid'.$glinstanceid] = $glinstanceid;
}
}
if (count($approvals) == 0) {
return false;
}
$userfieldsapi = \core_user\fields::for_userpic();
$userfields = $userfieldsapi->get_sql('u', false, '', 'userid', false)->selects;
$selectsql = 'SELECT ge.id, ge.concept, ge.approved, ge.timemodified, ge.glossaryid,
' . $userfields;
$countsql = 'SELECT COUNT(*)';
$joins = array(' FROM {glossary_entries} ge ');
$joins[] = 'JOIN {user} u ON u.id = ge.userid ';
$fromsql = implode("\n", $joins);
$params['timestart'] = $timestart;
$clausesql = ' WHERE ge.timemodified > :timestart ';
if (count($approvals) > 0) {
$approvalsql = 'AND ('. implode(' OR ', $approvals) .') ';
} else {
$approvalsql = '';
}
$ordersql = 'ORDER BY ge.timemodified ASC';
$entries = $DB->get_records_sql($selectsql.$fromsql.$clausesql.$approvalsql.$ordersql, $params, 0, (GLOSSARY_RECENT_ACTIVITY_LIMIT+1));
if (empty($entries)) {
return false;
}
echo $OUTPUT->heading(get_string('newentries', 'glossary') . ':', 6);
$strftimerecent = get_string('strftimerecent');
$entrycount = 0;
foreach ($entries as $entry) {
if ($entrycount < GLOSSARY_RECENT_ACTIVITY_LIMIT) {
if ($entry->approved) {
$dimmed = '';
$urlparams = array('g' => $entry->glossaryid, 'mode' => 'entry', 'hook' => $entry->id);
} else {
$dimmed = ' dimmed_text';
$urlparams = array('id' => $ids[$entry->glossaryid], 'mode' => 'approval', 'hook' => format_text($entry->concept, true));
}
$link = new moodle_url($CFG->wwwroot.'/mod/glossary/view.php' , $urlparams);
echo '<div class="head'.$dimmed.'">';
echo '<div class="date">'.userdate($entry->timemodified, $strftimerecent).'</div>';
echo '<div class="name">'.fullname($entry, $viewfullnames).'</div>';
echo '</div>';
echo '<div class="info"><a href="'.$link.'">'.format_string($entry->concept, true).'</a></div>';
$entrycount += 1;
} else {
$numnewentries = $DB->count_records_sql($countsql.$joins[0].$clausesql.$approvalsql, $params);
echo '<div class="head"><div class="activityhead">'.get_string('andmorenewentries', 'glossary', $numnewentries - GLOSSARY_RECENT_ACTIVITY_LIMIT).'</div></div>';
break;
}
}
return true;
}
/**
* @global object
* @param object $log
*/
function glossary_log_info($log) {
global $DB;
return $DB->get_record_sql("SELECT e.*, u.firstname, u.lastname
FROM {glossary_entries} e, {user} u
WHERE e.id = ? AND u.id = ?", array($log->info, $log->userid));
}
/**
* Function to be run periodically according to the moodle cron
* This function searches for things that need to be done, such
* as sending out mail, toggling flags etc ...
* @return bool
*/
function glossary_cron () {
return true;
}
/**
* Return grade for given user or all users.
*
* @param stdClass $glossary A glossary instance
* @param int $userid Optional user id, 0 means all users
* @return array An array of grades, false if none
*/
function glossary_get_user_grades($glossary, $userid=0) {
global $CFG;
require_once($CFG->dirroot.'/rating/lib.php');
$ratingoptions = new stdClass;
//need these to work backwards to get a context id. Is there a better way to get contextid from a module instance?
$ratingoptions->modulename = 'glossary';
$ratingoptions->moduleid = $glossary->id;
$ratingoptions->component = 'mod_glossary';
$ratingoptions->ratingarea = 'entry';
$ratingoptions->userid = $userid;
$ratingoptions->aggregationmethod = $glossary->assessed;
$ratingoptions->scaleid = $glossary->scale;
$ratingoptions->itemtable = 'glossary_entries';
$ratingoptions->itemtableusercolumn = 'userid';
$rm = new rating_manager();
return $rm->get_user_grades($ratingoptions);
}
/**
* Return rating related permissions
*
* @param int $contextid the context id
* @param string $component The component we want to get permissions for
* @param string $ratingarea The ratingarea that we want to get permissions for
* @return array an associative array of the user's rating permissions
*/
function glossary_rating_permissions($contextid, $component, $ratingarea) {
if ($component != 'mod_glossary' || $ratingarea != 'entry') {
// We don't know about this component/ratingarea so just return null to get the
// default restrictive permissions.
return null;
}
$context = context::instance_by_id($contextid);
return array(
'view' => has_capability('mod/glossary:viewrating', $context),
'viewany' => has_capability('mod/glossary:viewanyrating', $context),
'viewall' => has_capability('mod/glossary:viewallratings', $context),
'rate' => has_capability('mod/glossary:rate', $context)
);
}
/**
* Validates a submitted rating
* @param array $params submitted data
* context => object the context in which the rated items exists [required]
* component => The component for this module - should always be mod_forum [required]
* ratingarea => object the context in which the rated items exists [required]
* itemid => int the ID of the object being rated [required]
* scaleid => int the scale from which the user can select a rating. Used for bounds checking. [required]
* rating => int the submitted rating
* rateduserid => int the id of the user whose items have been rated. NOT the user who submitted the ratings. 0 to update all. [required]
* aggregation => int the aggregation method to apply when calculating grades ie RATING_AGGREGATE_AVERAGE [optional]
* @return boolean true if the rating is valid. Will throw rating_exception if not
*/
function glossary_rating_validate($params) {
global $DB, $USER;
// Check the component is mod_forum
if ($params['component'] != 'mod_glossary') {
throw new rating_exception('invalidcomponent');
}
// Check the ratingarea is post (the only rating area in forum)
if ($params['ratingarea'] != 'entry') {
throw new rating_exception('invalidratingarea');
}
// Check the rateduserid is not the current user .. you can't rate your own posts
if ($params['rateduserid'] == $USER->id) {
throw new rating_exception('nopermissiontorate');
}
$glossarysql = "SELECT g.id as glossaryid, g.scale, g.course, e.userid as userid, e.approved, e.timecreated, g.assesstimestart, g.assesstimefinish
FROM {glossary_entries} e
JOIN {glossary} g ON e.glossaryid = g.id
WHERE e.id = :itemid";
$glossaryparams = array('itemid' => $params['itemid']);
$info = $DB->get_record_sql($glossarysql, $glossaryparams);
if (!$info) {
//item doesn't exist
throw new rating_exception('invaliditemid');
}
if ($info->scale != $params['scaleid']) {
//the scale being submitted doesnt match the one in the database
throw new rating_exception('invalidscaleid');
}
//check that the submitted rating is valid for the scale
// lower limit
if ($params['rating'] < 0 && $params['rating'] != RATING_UNSET_RATING) {
throw new rating_exception('invalidnum');
}
// upper limit
if ($info->scale < 0) {
//its a custom scale
$scalerecord = $DB->get_record('scale', array('id' => -$info->scale));
if ($scalerecord) {
$scalearray = explode(',', $scalerecord->scale);
if ($params['rating'] > count($scalearray)) {
throw new rating_exception('invalidnum');
}
} else {
throw new rating_exception('invalidscaleid');
}
} else if ($params['rating'] > $info->scale) {
//if its numeric and submitted rating is above maximum
throw new rating_exception('invalidnum');
}
//check the item we're rating was created in the assessable time window
if (!empty($info->assesstimestart) && !empty($info->assesstimefinish)) {
if ($info->timecreated < $info->assesstimestart || $info->timecreated > $info->assesstimefinish) {
throw new rating_exception('notavailable');
}
}
$cm = get_coursemodule_from_instance('glossary', $info->glossaryid, $info->course, false, MUST_EXIST);
$context = context_module::instance($cm->id, MUST_EXIST);
// if the supplied context doesnt match the item's context
if ($context->id != $params['context']->id) {
throw new rating_exception('invalidcontext');
}
return true;
}
/**
* Update activity grades
*
* @category grade
* @param stdClass $glossary Null means all glossaries (with extra cmidnumber property)
* @param int $userid specific user only, 0 means all
* @param bool $nullifnone If true and the user has no grade then a grade item with rawgrade == null will be inserted
*/
function glossary_update_grades($glossary=null, $userid=0, $nullifnone=true) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
if (!$glossary->assessed) {
glossary_grade_item_update($glossary);
} else if ($grades = glossary_get_user_grades($glossary, $userid)) {
glossary_grade_item_update($glossary, $grades);
} else if ($userid and $nullifnone) {
$grade = new stdClass();
$grade->userid = $userid;
$grade->rawgrade = NULL;
glossary_grade_item_update($glossary, $grade);
} else {
glossary_grade_item_update($glossary);
}
}
/**
* Create/update grade item for given glossary
*
* @category grade
* @param stdClass $glossary object with extra cmidnumber
* @param mixed $grades Optional array/object of grade(s); 'reset' means reset grades in gradebook
* @return int, 0 if ok, error code otherwise
*/
function glossary_grade_item_update($glossary, $grades=NULL) {
global $CFG;
require_once($CFG->libdir.'/gradelib.php');
$params = array('itemname'=>$glossary->name, 'idnumber'=>$glossary->cmidnumber);
if (!$glossary->assessed or $glossary->scale == 0) {
$params['gradetype'] = GRADE_TYPE_NONE;
} else if ($glossary->scale > 0) {
$params['gradetype'] = GRADE_TYPE_VALUE;
$params['grademax'] = $glossary->scale;
$params['grademin'] = 0;
} else if ($glossary->scale < 0) {
$params['gradetype'] = GRADE_TYPE_SCALE;
$params['scaleid'] = -$glossary->scale;
}
if ($grades === 'reset') {
$params['reset'] = true;
$grades = NULL;
}
return grade_update('mod/glossary', $glossary->course, 'mod', 'glossary', $glossary->id, 0, $grades, $params);
}
/**
* Delete grade item for given glossary
*
* @category grade
* @param object $glossary object
*/
function glossary_grade_item_delete($glossary) {
global $CFG;
require_once($CFG->libdir.'/gradelib.php');
return grade_update('mod/glossary', $glossary->course, 'mod', 'glossary', $glossary->id, 0, NULL, array('deleted'=>1));
}
/**
* @deprecated since Moodle 3.8
*/
function glossary_scale_used() {
throw new coding_exception('glossary_scale_used() can not be used anymore. Plugins can implement ' .
'<modname>_scale_used_anywhere, all implementations of <modname>_scale_used are now ignored');
}
/**
* Checks if scale is being used by any instance of glossary
*
* This is used to find out if scale used anywhere
*
* @global object
* @param int $scaleid
* @return boolean True if the scale is used by any glossary
*/
function glossary_scale_used_anywhere($scaleid) {
global $DB;
if ($scaleid and $DB->record_exists_select('glossary', "scale = ? and assessed > 0", [-$scaleid])) {
return true;
} else {
return false;
}
}
//////////////////////////////////////////////////////////////////////////////////////
/// Any other glossary functions go here. Each of them must have a name that
/// starts with glossary_
/**
* This function return an array of valid glossary_formats records
* Everytime it's called, every existing format is checked, new formats
* are included if detected and old formats are deleted and any glossary
* using an invalid format is updated to the default (dictionary).
*
* @global object
* @global object
* @return array
*/
function glossary_get_available_formats() {
global $CFG, $DB;
// Get available formats (plugin) and insert them (if necessary) into glossary_formats.
$formats = get_list_of_plugins('mod/glossary/formats', 'TEMPLATE');
$pluginformats = array();
$formatrecords = $DB->get_records("glossary_formats");
foreach ($formats as $format) {
// If the format file exists.
if (file_exists($CFG->dirroot.'/mod/glossary/formats/'.$format.'/'.$format.'_format.php')) {
include_once($CFG->dirroot.'/mod/glossary/formats/'.$format.'/'.$format.'_format.php');
//If the function exists
if (function_exists('glossary_show_entry_'.$format)) {
// Acummulate it as a valid format.
$pluginformats[] = $format;
// Check if the format exists in the table.
$rec = null;
foreach ($formatrecords as $record) {
if ($record->name == $format) {
$rec = $record;
break;
}
}
if (!$rec) {
// Insert the record in glossary_formats.
$gf = new stdClass();
$gf->name = $format;
$gf->popupformatname = $format;
$gf->visible = 1;
$id = $DB->insert_record('glossary_formats', $gf);
$rec = $DB->get_record('glossary_formats', array('id' => $id));
array_push($formatrecords, $rec);
}
if (empty($rec->showtabs)) {
glossary_set_default_visible_tabs($rec);
}
}
}
}
// Delete non_existent formats from glossary_formats table.
foreach ($formatrecords as $record) {
$todelete = false;
// If the format in DB isn't a valid previously detected format then delete the record.
if (!in_array($record->name, $pluginformats)) {
$todelete = true;
}
if ($todelete) {
// Delete the format.
$DB->delete_records('glossary_formats', array('id' => $record->id));
unset($formatrecords[$record->id]);
// Reassign existing glossaries to default (dictionary) format.
if ($glossaries = $DB->get_records('glossary', array('displayformat' => $record->name))) {
foreach($glossaries as $glossary) {
$DB->set_field('glossary', 'displayformat', 'dictionary', array('id' => $glossary->id));
}
}
}
}
return $formatrecords;
}
/**
* @param bool $debug
* @param string $text
* @param int $br
*/
function glossary_debug($debug,$text,$br=1) {
if ( $debug ) {
echo '<font color="red">' . $text . '</font>';
if ( $br ) {
echo '<br />';
}
}
}
/**
*
* @global object
* @param int $glossaryid
* @param string $entrylist
* @param string $pivot
* @return array
*/
function glossary_get_entries($glossaryid, $entrylist, $pivot = "") {
global $DB;
if ($pivot) {
$pivot .= ",";