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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 interface functions and constants for module openstudio
*
* All the core Moodle functions, neeeded to allow the module to work
* integrated in Moodle should be placed here.
*
* All the openstudio specific functions, needed to implement all the module
* logic, should go to locallib.php. This will help to save some memory when
* Moodle is performing actions across all modules.
*
* @package mod_openstudio
* @copyright 2016 The Open University
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
use mod_openstudio\local\api\content;
use mod_openstudio\local\api\filesystem;
use mod_openstudio\local\util;
use mod_openstudio\local\util\feature;
use mod_openstudio\local\util\defaults;
use mod_openstudio\local\api\comments;
use mod_openstudio\local\api\levels;
use mod_openstudio\local\api\search;
use mod_openstudio\local\forms\comment_form;
defined('MOODLE_INTERNAL') || die();
/* Moodle API */
/**
* Returns the information on whether the module supports a feature
*
* See {@link plugin_supports()} for more info.
*
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed true if the feature is supported, null if unknown
*/
function openstudio_supports($feature) {
switch ($feature) {
case FEATURE_GROUPS:
return true;
case FEATURE_IDNUMBER:
return true;
case FEATURE_GROUPINGS:
return true;
case FEATURE_MOD_INTRO:
return true;
case FEATURE_COMPLETION_TRACKS_VIEWS:
return true;
case FEATURE_COMPLETION_HAS_RULES:
return true;
case FEATURE_GRADE_HAS_GRADE:
return false;
case FEATURE_GRADE_OUTCOMES:
return false;
case FEATURE_RATE:
return false;
case FEATURE_BACKUP_MOODLE2:
return true;
case FEATURE_SHOW_DESCRIPTION:
return true;
default:
return null;
}
}
/**
* Saves a new instance of the openstudio into the database
*
* 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.
*
* @param stdClass $openstudio Submitted data from the form in mod_form.php
* @param mod_openstudio_mod_form $mform The form instance itself (if needed)
* @return int The id of the newly inserted openstudio record
*/
function openstudio_add_instance(stdClass $studio, mod_openstudio_mod_form $mform = null) {
global $DB, $USER;
$studio->timemodified = time();
if (isset($studio->enabledvisibility) && is_array($studio->enabledvisibility)) {
$studio->allowedvisibility = implode(",", $studio->enabledvisibility);
}
$studio->defaultvisibility = util::get_visibility($studio, $USER->id);
if (isset($studio->enabledflags) && is_array($studio->enabledflags)) {
$studio->flags = implode(",", $studio->enabledflags);
}
$studio->filetypes = '*';
if (isset($studio->tutorrolesgroup) && is_array($studio->tutorrolesgroup)) {
$tutorroles = array_keys(array_filter($studio->tutorrolesgroup));
$studio->tutorroles = implode(",", $tutorroles);
}
if (isset($studio->enablelocking)) {
$studio->locking = $studio->enablelocking;
}
$studio->themefeatures = openstudio_feature_settings($studio);
return $DB->insert_record('openstudio', $studio);
}
/**
* Updates an instance of the openstudio in the database
*
* 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.
*
* @param stdClass $openstudio An object from the form in mod_form.php
* @param mod_openstudio_mod_form $mform The form instance itself (if needed)
* @return boolean Success/Fail
*/
function openstudio_update_instance(stdClass $studio, mod_openstudio_mod_form $mform = null) {
global $DB, $USER;
$studio->timemodified = time();
$studio->id = $studio->instance;
if (isset($studio->enabledvisibility) && is_array($studio->enabledvisibility)) {
$studio->allowedvisibility = implode(",", $studio->enabledvisibility);
}
$studio->defaultvisibility = util::get_visibility($studio, $USER->id);
if (isset($studio->enabledflags) && is_array($studio->enabledflags)) {
$studio->flags = implode(",", $studio->enabledflags);
}
$studio->filetypes = '*';
if (isset($studio->tutorrolesgroup) && is_array($studio->tutorrolesgroup)) {
$tutorroles = array_keys(array_filter($studio->tutorrolesgroup));
$studio->tutorroles = implode(",", $tutorroles);
}
if (isset($studio->enablelocking)) {
$studio->locking = $studio->enablelocking;
}
$studio->themefeatures = openstudio_feature_settings($studio);
return $DB->update_record('openstudio', $studio);
}
/**
* Removes an instance of the openstudio from the database
*
* Given an ID of an instance of this module,
* this function will permanently delete the instance
* and any data that depends on it.
*
* @param int $id Id of the module instance
* @return boolean Success/Failure
*/
function openstudio_delete_instance($id) {
global $CFG, $DB;
if (! $studio = $DB->get_record('openstudio', array('id' => $id))) {
return false;
}
$result = true;
$cm = get_coursemodule_from_id('openstudio', $id);
if ($cm) {
// Delete content files from moodle file system.
$modulecontext = context_module::instance($cm->id);
if ($modulecontext) {
filesystem::remove_content_files($modulecontext->id, $studio->id);
}
}
$sql = <<<EOF
DELETE FROM {openstudio_level3} l3
WHERE l3.level2id IN (SELECT l2.id
FROM {openstudio_level2} l2
JOIN {openstudio_level1} l1 ON l1.id = l2.level1id AND l1.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_level2} l2
WHERE l2.level1id IN (SELECT l1.id
FROM {openstudio_level1} l1
WHERE l1.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
if (! $DB->delete_records('openstudio_level1', array('openstudioid' => $studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_comments} sc
WHERE sc.contentid IN (SELECT s.id
FROM {openstudio_contents} s
WHERE s.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_flags} sf
WHERE sf.contentid IN (SELECT s.id
FROM {openstudio_contents} s
WHERE s.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
if (! $DB->delete_records('openstudio_honesty_checks', array('openstudioid' => $studio->id))) {
return false;
}
if (! $DB->delete_records('openstudio_subscriptions', array('openstudioid' => $studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_tracking} st
WHERE st.contentid IN (SELECT s.id
FROM {openstudio_contents} s
WHERE s.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_content_files} sf
WHERE sf.id IN (SELECT s.fileid
FROM {openstudio_contents} s
WHERE s.openstudioid = ?)
OR sf.id IN (SELECT sv.fileid
FROM {openstudio_content_versions} sv
JOIN {openstudio_contents} s ON s.id = sv.contentid AND s.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id, $studio->id))) {
return false;
}
$sql = <<<EOF
DELETE FROM {openstudio_content_versions} sv
WHERE sv.contentid IN (SELECT s.id
FROM {openstudio_contents} s
WHERE s.openstudioid = ?)
EOF;
if (! $DB->execute($sql, array($studio->id))) {
return false;
}
if (! $DB->delete_records('openstudio_contents', array('openstudioid' => $studio->id))) {
return false;
}
if (! $DB->delete_records('openstudio', array('id' => $studio->id))) {
return false;
}
return true;
}
/**
* Returns 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 stdClass $course The course record
* @param stdClass $user The user record
* @param cm_info|stdClass $mod The course module info object or record
* @param stdClass $openstudio The openstudio instance record
* @return stdClass|null
*/
function openstudio_user_outline($course, $user, $mod, $openstudio) {
$return = new stdClass();
$return->time = 0;
$return->info = '';
return $return;
}
/* File API */
/**
* Serves the files from the openstudio file areas
*
* @package mod_openstudio
* @category files
*
* @param stdClass $course the course object
* @param stdClass $cm the course module object
* @param stdClass $context the openstudio's context
* @param string $filearea the name of the file area
* @param array $args extra arguments (itemid, path)
* @param bool $forcedownload whether or not force download
* @param array $options additional options affecting the file serving
* @return false on failure
*/
function openstudio_pluginfile($course, $cm, $context, $filearea, array $args, $forcedownload, array $options=array()) {
global $USER, $DB;
$extractfile = null;
if ($context->contextlevel != CONTEXT_MODULE) {
return false;
}
if (! in_array($filearea,
array('content', 'contentthumbnail', 'contentversion', 'contentthumbnailversion',
'contentcomment', comments::COMMENT_TEXT_AREA,
'notebook', 'notebookversion', 'description', 'descriptionversion'))) {
return false;
}
require_login($course, false, $cm);
$itemid = (int) array_shift($args);
if (in_array($filearea, ['content', 'contentthumbnail', 'notebook', 'description'])) {
$record = $contentdata = $DB->get_record('openstudio_contents', array('id' => $itemid), '*', MUST_EXIST);
} else if ($filearea === 'contentcomment' || $filearea === comments::COMMENT_TEXT_AREA) {
$sql = <<<EOF
SELECT s.*
FROM {openstudio_contents} s
JOIN {openstudio_comments} sc ON sc.contentid = s.id
WHERE sc.id = ?
EOF;
$record = $contentdata = $DB->get_record_sql($sql, array($itemid));
} else {
$record = $DB->get_record('openstudio_content_versions', array('id' => $itemid), '*', MUST_EXIST);
$contentdata = $DB->get_record('openstudio_contents', array('id' => $record->contentid), '*', MUST_EXIST);
if ($filearea == 'contentversion') {
$filearea = 'content';
}
if ($filearea == 'contentthumbnailversion') {
$filearea = 'contentthumbnail';
}
if ($filearea == 'notebookversion') {
$filearea = 'notebook';
}
}
$visibility = $contentdata->visibility;
if (count($args) > 1) {
// $Args contains 1 item is filename or 2 items are folder id and file name if content is inside foler.
// E.g: [15, small.mp3].
// or ["small.mp3"].
// The filename must end by file name because we must follow media url pattern.
$folderid = (int)(array_slice($args, -2, 1)[0]);
} else {
$folderid = 0;
}
if (is_numeric($folderid)) {
if ($DB->record_exists('openstudio_folder_contents', array('folderid' => $folderid, 'contentid' => $contentdata->id))) {
if ($folder = $DB->get_record('openstudio_contents', array('id' => $folderid))) {
$visibility = $folder->visibility;
}
}
}
// Permission check.
$modulecontext = context_module::instance($cm->id);
if (!has_capability('mod/openstudio:managecontent', $modulecontext)) {
if ($contentdata->userid == $USER->id) {
if (!has_capability('mod/openstudio:view', $modulecontext)) {
return false;
}
} else {
if (!has_capability('mod/openstudio:viewothers', $modulecontext)) {
return false;
}
// If the content is folder to private, then user cant see it.
if ($visibility == content::VISIBILITY_PRIVATE &&
!has_capability('mod/openstudio:viewprivate', $modulecontext)) {
return false;
}
// If the content is shared with the course users, then proceed.
if ($visibility == content::VISIBILITY_MODULE) {
if (!util::is_ignore_enrol($modulecontext)) {
$sql = <<<EOF
SELECT ue1.id
FROM {user_enrolments} ue1
JOIN {enrol} e1 ON e1.id = ue1.enrolid
WHERE ue1.userid = ?
AND e1.courseid IN (SELECT e2.courseid
FROM {enrol} e2
JOIN {user_enrolments} ue2 ON ue2.enrolid = e2.id AND ue2.userid = ?
WHERE e2.courseid = ?)
EOF;
if (!$DB->record_exists_sql($sql, array($USER->id, $contentdata->userid, $course->id))) {
return false;
}
}
}
if (($visibility == content::VISIBILITY_GROUP) || ($visibility < 0)) {
$coursecontext = context_course::instance($course->id);
$canaccessallgroups = has_capability('moodle/site:accessallgroups', $coursecontext);
if (!$canaccessallgroups) {
if (($cm->groupmode == 2) || $visibility == content::VISIBILITY_GROUP) {
// If the content is shared with the user's course group,
// then check group membership to decide whether to proceed.
//
// If groupmode is all visible groups, then the check is as long as they
// are within the same group grouping id as the content owner.
$sql = <<<EOF
SELECT DISTINCT gm1.groupid
FROM {groups_members} gm1
JOIN {groupings_groups} gg ON gg.groupid = gm1.groupid
JOIN {course_modules} cm ON cm.groupingid = gg.groupingid
JOIN {openstudio_contents} s ON s.openstudioid = cm.instance
WHERE gm1.userid = ?
AND s.id = ?
EOF;
if (!$DB->record_exists_sql($sql, array($USER->id, $contentdata->id))) {
return false;
}
} else if ($visibility < 0) {
// If the content is shared with a specific group,
// then check group membership to decide whether to proceed.
$groupid = 0 - $visibility;
$sql = <<<EOF
SELECT DISTINCT gm1.groupid
FROM {groups_members} gm1
JOIN {groups_members} gm2 ON gm2.groupid = gm1.groupid AND gm2.userid = ?
WHERE gm1.groupid = ?
AND gm1.userid = ?
EOF;
if (!$DB->record_exists_sql($sql, array($USER->id, $groupid, $contentdata->userid))) {
return false;
}
}
}
}
}
} else if ($visibility == content::VISIBILITY_PRIVATE &&
!($contentdata->userid == $USER->id || has_capability('mod/openstudio:viewprivate', $modulecontext))) {
return false;
}
if (in_array($filearea, ['contentcomment', comments::COMMENT_TEXT_AREA, 'description', 'descriptionversion'])) {
$relativepath = array_pop($args);
$fullpath = "/{$context->id}/mod_openstudio/$filearea/{$itemid}/$relativepath";
} else {
switch ($record->contenttype) {
case content::TYPE_IMAGE:
$sizecheck = optional_param('sizecheck', 0, PARAM_INT);
if ($sizecheck == 1) {
/*
* Request has been made to check the image file size
* and if it is greater than defaults::CONTENTVIEWIMAGESIZELIMIT
* then we force the use of thumbnail size image.
*
*/
$filerecord = $DB->get_record('files',
array('component' => 'mod_openstudio',
'filearea' => 'content',
'itemid' => $record->fileid,
'filename' => $record->content),
'filesize', MUST_EXIST);
if ($filerecord->filesize > defaults::CONTENTVIEWIMAGESIZELIMIT) {
$filearea = 'contentthumbnail';
}
}
break;
case content::TYPE_VIDEO:
case content::TYPE_AUDIO:
case content::TYPE_DOCUMENT:
if ($filearea == 'notebook') {
$filename = 'openstudio_' . $record->id . '_notebook.' . pathinfo(implode('/', $args), PATHINFO_EXTENSION);
$options['filename'] = $filename;
}
case content::TYPE_PRESENTATION:
case content::TYPE_SPREADSHEET:
case content::TYPE_ZIP:
break;
default:
return false;
}
$relativepath = array_pop($args);
$fullpath = "/{$context->id}/mod_openstudio/$filearea/{$record->fileid}/$relativepath";
}
$fs = get_file_storage();
if (!$file = $fs->get_file_by_hash(sha1($fullpath)) or $file->is_directory()) {
return false;
}
send_stored_file($file, 0, 0, (bool) $forcedownload, $options);
}
/**
* This is a helper function to call studio_ousearch_filter_permission() exlictly
* requesting slots in sets to be included in search result.
*
* @param object $result Search result to check whether it should be filtered out.
* @return bool Returns true (acccept) or false (reject).
*/
function openstudio_ousearch_filter_permission_include_setslots($result) {
return openstudio_ousearch_filter_permission($result, true);
}
/**
* Sets a filter function which can run on results (after they have been
* obtained) to exclude unwanted ones or make other changes.
*
* The filter below does a permission tocheck to make sure the logged in user
* does have permission to view a given slot.
*
* @param object $result Search result to check whether it should be filtered out.
* @param bool $includeinsetslots Set to true to include slots in set in the search result.
* @return bool Returns true (acccept) or false (reject).
*/
function openstudio_ousearch_filter_permission($result, $includeinsetslots = false) {
global $USER, $COURSE, $DB;
// Check view context to filter by.
$vid = content::VISIBILITY_MODULE;
if (util::cache_check('search_view_context')) {
$vid = util::cache_get('search_view_context');
}
// Check groupmode to filter by.
$groupmode = 0;
if (util::cache_check('search_view_groupmode')) {
$groupmode = util::cache_get('search_view_groupmode');
}
// Check capability to see I can view other people's slots.
if (util::cache_check('search_viewothers_capability')) {
if (!util::cache_get('search_viewothers_capability')) {
return false;
}
}
if ($vid == content::VISIBILITY_PRIVATE_PINBOARD) {
$sql = <<<EOF
SELECT DISTINCT s.id
FROM {openstudio_contents} s
WHERE s.id = ?
AND s.userid = ?
AND s.levelid = 0
AND s.levelcontainer = 0
EOF;
if ($includeinsetslots) {
return $DB->record_exists_sql($sql, array($result->intref1, $USER->id));
} else {
$sql .= ' AND s.visibility != ?';
return $DB->record_exists_sql($sql, array($result->intref1, $USER->id, content::VISIBILITY_INFOLDERONLY));
}
}
if ($vid == content::VISIBILITY_PRIVATE) {
$sql = <<<EOF
SELECT DISTINCT s.id
FROM {openstudio_contents} s
WHERE s.id = ?
AND s.userid = ?
AND s.levelid > 0
AND s.levelcontainer > 0
EOF;
if ($includeinsetslots) {
return $DB->record_exists_sql($sql, array($result->intref1, $USER->id));
} else {
$sql .= ' AND s.visibility != ?';
return $DB->record_exists_sql($sql, array($result->intref1, $USER->id, content::VISIBILITY_INFOLDERONLY));
}
}
// If the slot is shared with the user's course group,
// then check group membership to decide whether to show search result.
if (($result->intref2 == content::VISIBILITY_GROUP) || ($result->intref2 < 0)) {
$coursecontext = context_course::instance($COURSE->id);
$canaccessallgroups = has_capability('moodle/site:accessallgroups', $coursecontext);
if ($canaccessallgroups) {
return true;
}
if (($groupmode == 2) || ($result->intref2 == content::VISIBILITY_GROUP)) {
$sql = <<<EOF
SELECT DISTINCT gm1.groupid
FROM {groups_members} gm1
JOIN {groups_members} gm2 ON gm2.groupid = gm1.groupid AND gm2.userid = ?
JOIN {groupings_groups} gg ON gg.groupid = gm2.groupid
JOIN {course_modules} cm ON cm.groupingid = gg.groupingid
JOIN {openstudio_contents} s ON s.studioid = cm.instance
WHERE gm1.userid = ?
AND s.id = ?
EOF;
if ($includeinsetslots) {
return $DB->record_exists_sql($sql, array($result->userid, $USER->id, $result->intref1));
} else {
$sql .= ' AND s.visibility != ?';
return $DB->record_exists_sql($sql, array(
$result->userid, $USER->id, $result->intref1, content::VISIBILITY_INFOLDERONLY));
}
} else {
if (!$includeinsetslots) {
$slotdata = content::get($result->intref1);
if ($slotdata->visibility == content::VISIBILITY_INFOLDERONLY) {
return false;
}
}
$groupid = 0 - $result->intref2;
$sql = <<<EOF
SELECT DISTINCT gm1.groupid
FROM {groups_members} gm1
JOIN {groups_members} gm2 ON gm2.groupid = gm1.groupid AND gm2.userid = ?
WHERE gm1.groupid = ?
AND gm1.userid = ?
EOF;
return $DB->record_exists_sql($sql, array($USER->id, $groupid, $result->userid));
}
}
if (!$includeinsetslots) {
$slotdata = content::get($result->intref1);
if ($slotdata->visibility == content::VISIBILITY_INFOLDERONLY) {
return false;
}
}
// If the slot belongs to me, then show search result.
if ($result->userid == $USER->id) {
return true;
}
// If the slot is shared with the course users, then show search result.
// Note: assumption is that the search results are already retricted by
// course module.
if ($result->intref2 == content::VISIBILITY_MODULE) {
$cm = get_coursemodule_from_id('openstudio', $result->coursemoduleid);
$modulecontext = \context_module::instance($cm->id);
if (util::is_ignore_enrol($modulecontext)) {
return true;
}
$sql = <<<EOF
SELECT ue1.id
FROM {user_enrolments} ue1
JOIN {enrol} e1 ON e1.id = ue1.enrolid
WHERE ue1.userid = ?
AND e1.courseid IN (SELECT e2.courseid
FROM {enrol} e2
JOIN {user_enrolments} ue2 ON ue2.enrolid = e2.id AND ue2.userid = ?
WHERE e2.courseid = ?)
EOF;
if ($vid == content::VISIBILITY_GROUP) {
$sql .= <<<EOF
AND EXISTS (SELECT DISTINCT gm1.groupid
FROM {groups_members} gm1
JOIN {groups_members} gm2 ON gm2.groupid = gm1.groupid AND gm2.userid = ?
JOIN {groupings_groups} gg ON gg.groupid = gm2.groupid
JOIN {course_modules} cm ON cm.groupingid = gg.groupingid
JOIN {openstudio_contents} s ON s.studioid = cm.instance
WHERE gm1.userid = ?
AND s.id = ?)
EOF;
return $DB->record_exists_sql($sql,
array($USER->id, $result->userid, $COURSE->id, $result->userid, $USER->id, $result->intref1));
} else {
return $DB->record_exists_sql($sql, array($USER->id, $result->userid, $COURSE->id));
}
}
if ($result->intref2 == content::VISIBILITY_TUTOR) {
$cm = get_coursemodule_from_id('openstudio', $result->coursemoduleid);
$cminstance = $DB->get_record('openstudio', array('id' => $cm->instance), '*', MUST_EXIST);
$tutorroles = array_filter(explode(',', $cminstance->tutorroles));
return content::user_is_tutor($result->intref1, $USER->id, $tutorroles);
}
return false;
}
function openstudio_ousearch_filter_browseslots(&$result) {
if (openstudio_ousearch_filter_permission($result, true)) {
$result = content::get($result->intref1);
if ($result->contenttype == content::TYPE_FOLDER) {
return false;
}
return true;
} else {
return false;
}
}
function openstudio_ousearch_filter_browseslots_useronly(&$result) {
global $USER;
if ($result->userid == $USER->id) {
return openstudio_ousearch_filter_browseslots($result);
} else {
return false;
}
}
/**
* OU Alerts plugin callback to add additional email recipients when alerts are
* reported. The additional email recipients will be sent an email.
*
* @param string $itemtype The item type being reported.
* @param int $itemid The item id being reported.
* @return array Return list of people that should be sent email for the alert.
*/
function openstudio_oualerts_additional_recipients($itemtype, $itemid) {
global $CFG, $USER, $DB;
$additionalemails = [];
switch ($itemtype) {
case 'content':
$contentdata = content::get_record($USER->id, $itemid);
break;
case 'contentcomment':
case comments::COMMENT_TEXT_AREA:
$contentid = $DB->get_field('openstudio_comments', 'contentid', ['id' => $itemid]);
if ($contentid != false) {
$contentdata = content::get_record($USER->id, $contentid);
}
break;
default:
$contentdata = false;
break;
}
if ($contentdata != false) {
$reportingemail = $DB->get_field('openstudio', 'reportingemail', ['id' => $contentdata->openstudioid]);
if ($reportingemail != false) {
$reportingemailarray = explode(',', $reportingemail);
foreach ($reportingemailarray as $reportingemailarrayitem) {
$reportingemailarrayitem = trim($reportingemailarrayitem);
if (filter_var($reportingemailarrayitem, FILTER_VALIDATE_EMAIL) !== false) {
$additionalemails[] = $reportingemailarrayitem;
}
}
$additionalemails = array_unique($additionalemails);
}
}
return $additionalemails;
}
/**
* OU Alerts plugin callback to provide additional information to the OU Alert plugin.
*
* @param string $itemtype The item type being reported.
* @param int $itemid The item id being reported.
* @return string Return item displayable name.
*/
function openstudio_oualerts_custom_info($itemtype, $itemid) {
global $USER, $DB;
$itemtitle = '';
switch ($itemtype) {
case 'content':
$contentdata = content::get_record($USER->id, $itemid);
break;
case 'contentcomment':
case comments::COMMENT_TEXT_AREA:
$contentid = $DB->get_field('openstudio_comments', 'contentid', ['id' => $itemid]);
if ($contentid != false) {
$contentdata = content::get_record($USER->id, $contentid);
}
break;
default:
$contentdata = false;
break;
}
if ($contentdata != false) {
$itemtitle = util::get_content_name($contentdata);
}
return $itemtitle;
}
/**
* Returns the features enabled for the Studio instance. Given this value changes and may not
* be refelected in the database, the optional fflag $updatedb exists to save the calculated
* feature to database.
*
* @param mixed $studioorid The studio object or id that needs to be checked for features.
* @param bool $updatedb Set to true if the feature calculation should be stored in the database.
* @return int Return a bitmask value of what features are enabled.
*/
function openstudio_feature_settings($studioorid, $updatedb = false) {
global $CFG, $DB;
if (is_object($studioorid)) {
$studio = $studioorid;
} else {
$studio = $DB->get_record('openstudio', array('id' => $studioorid));
$module = $DB->get_record('modules', array('name' => 'openstudio'));
$studiomodule = $DB->get_record('course_modules',
array('course' => $studio->course, 'module' => $module->id, 'instance' => $studioorid));
$studio->enablemodule = $studio->themefeatures & feature::MODULE;
$studio->groupmode = $studiomodule->groupmode;
$studio->groupingid = $studiomodule->groupingid;
$studio->pinboard = $studio->themefeatures & feature::PINBOARD;
$studio->enablecontenthtml = 1;
$studio->enablecontentcommenthtml = 1;
$studio->enablecontentcommentaudio = $studio->themefeatures & feature::CONTENTCOMMENTUSESAUDIO;
$studio->enablecontentusesfileupload = $studio->themefeatures & feature::CONTENTUSESFILEUPLOAD;
if ($studio->themefeatures & feature::ENABLEFOLDERS) {
$studio->enablefolders = 1;
} else {
$studio->enablefolders = 0;
}
$studio->enablefoldersanycontent = $studio->themefeatures & feature::ENABLEFOLDERSANYCONTENT;
$studio->enablerss = $studio->themefeatures & feature::ENABLERSS;
$studio->enablesubscription = $studio->themefeatures & feature::ENABLESUBSCRIPTION;
$studio->enableexportimport = $studio->themefeatures & feature::ENABLEEXPORTIMPORT;
$studio->enablecontentusesweblink = $studio->themefeatures & feature::CONTENTUSESWEBLINK;
$studio->enablecontentusesembedcode = $studio->themefeatures & feature::CONTENTUSESEMBEDCODE;
$studio->enablecontentallownotebooks = $studio->themefeatures & feature::CONTENTALLOWNOTEBOOKS;
$studio->enablecontentreciprocalaccess = util::has_feature(
$studio, feature::CONTENTRECIPROCALACCESS
);
$studio->enableparticipationsmiley = $studio->themefeatures & feature::PARTICIPATIONSMILEY;
$studio->enablelocking = $studio->themefeatures & feature::ENABLELOCK;
$studio->allowlatesubmissions = $studio->themefeatures & feature::LATESUBMISSIONS;
}
$featuremodule = ($studio->enablemodule > 0) ? feature::MODULE : 0;
$featuregroup = 0;
if ($studio->groupmode && $studio->groupingid) {
$featuregroup = feature::GROUP;
}
$featurestudio = 0;
if (isset($studio->id) && levels::defined_for_studio($studio->id)) {
$featurestudio = feature::STUDIO;
}
$featurepinboard = 0;
if ($studio->pinboard) {
$featurepinboard = feature::PINBOARD;
}
$featurecontenttextuseshtml = feature::CONTENTTEXTUSESHTML;
$featurecontentcommentuseshtml = feature::CONTENCOMMENTUSESHTML;
$featurecontentcommentusesaudio = 0;
if ($studio->enablecontentcommentaudio) {
$featurecontentcommentusesaudio = feature::CONTENTCOMMENTUSESAUDIO;
}
$featurecontentusesfileupload = 0;
if ($studio->enablecontentusesfileupload) {
$featurecontentusesfileupload = feature::CONTENTUSESFILEUPLOAD;
}
$featureenablefolders = 0;
$featureenablefoldersanycontent = 0;
if ($studio->enablefolders == 1) {
$featureenablefolders = feature::ENABLEFOLDERS;
if ($studio->enablefoldersanycontent) {
$featureenablefoldersanycontent = feature::ENABLEFOLDERSANYCONTENT;
}
}
$featurecontentallownotebooks = 0;
if ($studio->enablecontentallownotebooks) {
$featurecontentallownotebooks = feature::CONTENTALLOWNOTEBOOKS;
}
$featurecontentreciprocalaccess = 0;
if ($studio->enablecontentreciprocalaccess) {
$featurecontentreciprocalaccess = feature::CONTENTRECIPROCALACCESS;
}
$featureparticipationsmiley = 0;
if ($studio->enableparticipationsmiley) {
$featureparticipationsmiley = feature::PARTICIPATIONSMILEY;
}
$featurelatesubmissions = 0;
if ($studio->allowlatesubmissions) {
$featurelatesubmissions = feature::LATESUBMISSIONS;
}
$themefeatures = $featuremodule + $featuregroup + $featurestudio + $featurepinboard;
$themefeatures += $featurecontenttextuseshtml + $featurecontentcommentuseshtml;
$themefeatures += $featurecontentcommentusesaudio + $featurecontentusesfileupload + $featureenablefolders;
$themefeatures += $featurecontentallownotebooks;
$themefeatures += $featurecontentreciprocalaccess + $featureenablefoldersanycontent;
$themefeatures += $featureparticipationsmiley;
$themefeatures += $featurelatesubmissions;
if (isset($studio->id) && $updatedb) {
$DB->set_field('openstudio', 'themefeatures', $themefeatures, array('id' => $studio->id));
}
return $themefeatures;
}
/**
* Return studio on course that have last modified date for current user
*
* @param stdClass $course
* @return array
*/
function openstudio_get_ourecent_activity($course) {
$modinfo = get_fast_modinfo($course);
$return = array();
foreach ($modinfo->get_instances_of('openstudio') as $studio) {
if ($studio->uservisible) {
$lastpostdate = util::get_last_modified($studio, $studio->get_course());
if (!empty($lastpostdate)) {
$data = new stdClass();
$data->cm = $studio;
$data->text = get_string('lastmodified', 'openstudio',
userdate($lastpostdate, get_string('strftimerecent', 'openstudio')));
$data->date = $lastpostdate;
$return[$data->cm->id] = $data;
}
}
}
return $return;
}
/**
* Show last updated date + time.
*
* @param cm_info $cm
*/
function openstudio_cm_info_view(cm_info $cm) {
if (!$cm->uservisible) {
return;
}