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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 workshop module functions needed by Moodle core and other subsystems
*
* All the functions neeeded by Moodle core, gradebook, file subsystem etc
* are placed here.
*
* @package mod
* @subpackage workshop
* @copyright 2009 David Mudrak <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once($CFG->dirroot . '/calendar/lib.php');
////////////////////////////////////////////////////////////////////////////////
// Moodle core API //
////////////////////////////////////////////////////////////////////////////////
/**
* Returns the information if the module supports a feature
*
* @see plugin_supports() in lib/moodlelib.php
* @param string $feature FEATURE_xx constant for requested feature
* @return mixed true if the feature is supported, null if unknown
*/
function workshop_supports($feature) {
switch($feature) {
case FEATURE_GRADE_HAS_GRADE: return true;
case FEATURE_GROUPS: return true;
case FEATURE_GROUPINGS: return true;
case FEATURE_GROUPMEMBERSONLY: return true;
case FEATURE_MOD_INTRO: return true;
case FEATURE_BACKUP_MOODLE2: return true;
case FEATURE_COMPLETION_TRACKS_VIEWS:
return true;
case FEATURE_SHOW_DESCRIPTION: return true;
case FEATURE_PLAGIARISM: return true;
default: return null;
}
}
/**
* Saves a new instance of the workshop into the database
*
* Given an object containing all the necessary data,
* (defined by the form in mod_form.php) this function
* will save a new instance and return the id number
* of the new instance.
*
* @param stdClass $workshop An object from the form in mod_form.php
* @return int The id of the newly inserted workshop record
*/
function workshop_add_instance(stdclass $workshop) {
global $CFG, $DB;
require_once(dirname(__FILE__) . '/locallib.php');
$workshop->phase = workshop::PHASE_SETUP;
$workshop->timecreated = time();
$workshop->timemodified = $workshop->timecreated;
$workshop->useexamples = (int)!empty($workshop->useexamples);
$workshop->usepeerassessment = (int)!empty($workshop->usepeerassessment);
$workshop->useselfassessment = (int)!empty($workshop->useselfassessment);
$workshop->latesubmissions = (int)!empty($workshop->latesubmissions);
$workshop->phaseswitchassessment = (int)!empty($workshop->phaseswitchassessment);
$workshop->evaluation = 'best';
// insert the new record so we get the id
$workshop->id = $DB->insert_record('workshop', $workshop);
// we need to use context now, so we need to make sure all needed info is already in db
$cmid = $workshop->coursemodule;
$DB->set_field('course_modules', 'instance', $workshop->id, array('id' => $cmid));
$context = context_module::instance($cmid);
// process the custom wysiwyg editors
if ($draftitemid = $workshop->instructauthorseditor['itemid']) {
$workshop->instructauthors = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructauthors',
0, workshop::instruction_editors_options($context), $workshop->instructauthorseditor['text']);
$workshop->instructauthorsformat = $workshop->instructauthorseditor['format'];
}
if ($draftitemid = $workshop->instructreviewerseditor['itemid']) {
$workshop->instructreviewers = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructreviewers',
0, workshop::instruction_editors_options($context), $workshop->instructreviewerseditor['text']);
$workshop->instructreviewersformat = $workshop->instructreviewerseditor['format'];
}
// re-save the record with the replaced URLs in editor fields
$DB->update_record('workshop', $workshop);
// create gradebook items
workshop_grade_item_update($workshop);
workshop_grade_item_category_update($workshop);
// create calendar events
workshop_calendar_update($workshop, $workshop->coursemodule);
return $workshop->id;
}
/**
* 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 $workshop An object from the form in mod_form.php
* @return bool success
*/
function workshop_update_instance(stdclass $workshop) {
global $CFG, $DB;
require_once(dirname(__FILE__) . '/locallib.php');
$workshop->timemodified = time();
$workshop->id = $workshop->instance;
$workshop->useexamples = (int)!empty($workshop->useexamples);
$workshop->usepeerassessment = (int)!empty($workshop->usepeerassessment);
$workshop->useselfassessment = (int)!empty($workshop->useselfassessment);
$workshop->latesubmissions = (int)!empty($workshop->latesubmissions);
$workshop->phaseswitchassessment = (int)!empty($workshop->phaseswitchassessment);
$workshop->evaluation = 'best';
// todo - if the grading strategy is being changed, we must replace all aggregated peer grades with nulls
// todo - if maximum grades are being changed, we should probably recalculate or invalidate them
$DB->update_record('workshop', $workshop);
$context = context_module::instance($workshop->coursemodule);
// process the custom wysiwyg editors
if ($draftitemid = $workshop->instructauthorseditor['itemid']) {
$workshop->instructauthors = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructauthors',
0, workshop::instruction_editors_options($context), $workshop->instructauthorseditor['text']);
$workshop->instructauthorsformat = $workshop->instructauthorseditor['format'];
}
if ($draftitemid = $workshop->instructreviewerseditor['itemid']) {
$workshop->instructreviewers = file_save_draft_area_files($draftitemid, $context->id, 'mod_workshop', 'instructreviewers',
0, workshop::instruction_editors_options($context), $workshop->instructreviewerseditor['text']);
$workshop->instructreviewersformat = $workshop->instructreviewerseditor['format'];
}
// re-save the record with the replaced URLs in editor fields
$DB->update_record('workshop', $workshop);
// update gradebook items
workshop_grade_item_update($workshop);
workshop_grade_item_category_update($workshop);
// update calendar events
workshop_calendar_update($workshop, $workshop->coursemodule);
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.
*
* @param int $id Id of the module instance
* @return boolean Success/Failure
*/
function workshop_delete_instance($id) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
if (! $workshop = $DB->get_record('workshop', array('id' => $id))) {
return false;
}
// delete all associated aggregations
$DB->delete_records('workshop_aggregations', array('workshopid' => $workshop->id));
// get the list of ids of all submissions
$submissions = $DB->get_records('workshop_submissions', array('workshopid' => $workshop->id), '', 'id');
// get the list of all allocated assessments
$assessments = $DB->get_records_list('workshop_assessments', 'submissionid', array_keys($submissions), '', 'id');
// delete the associated records from the workshop core tables
$DB->delete_records_list('workshop_grades', 'assessmentid', array_keys($assessments));
$DB->delete_records_list('workshop_assessments', 'id', array_keys($assessments));
$DB->delete_records_list('workshop_submissions', 'id', array_keys($submissions));
// call the static clean-up methods of all available subplugins
$strategies = get_plugin_list('workshopform');
foreach ($strategies as $strategy => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$strategy.'_strategy';
call_user_func($classname.'::delete_instance', $workshop->id);
}
$allocators = get_plugin_list('workshopallocation');
foreach ($allocators as $allocator => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$allocator.'_allocator';
call_user_func($classname.'::delete_instance', $workshop->id);
}
$evaluators = get_plugin_list('workshopeval');
foreach ($evaluators as $evaluator => $path) {
require_once($path.'/lib.php');
$classname = 'workshop_'.$evaluator.'_evaluation';
call_user_func($classname.'::delete_instance', $workshop->id);
}
// delete the calendar events
$events = $DB->get_records('event', array('modulename' => 'workshop', 'instance' => $workshop->id));
foreach ($events as $event) {
$event = calendar_event::load($event);
$event->delete();
}
// finally remove the workshop record itself
$DB->delete_records('workshop', array('id' => $workshop->id));
// gradebook cleanup
grade_update('mod/workshop', $workshop->course, 'mod', 'workshop', $workshop->id, 0, null, array('deleted' => true));
grade_update('mod/workshop', $workshop->course, 'mod', 'workshop', $workshop->id, 1, null, array('deleted' => true));
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
* $return->info = a short text description
*
* @return stdclass|null
*/
function workshop_user_outline($course, $user, $mod, $workshop) {
global $CFG, $DB;
require_once($CFG->libdir.'/gradelib.php');
$grades = grade_get_grades($course->id, 'mod', 'workshop', $workshop->id, $user->id);
$submissiongrade = null;
$assessmentgrade = null;
$info = '';
$time = 0;
if (!empty($grades->items[0]->grades)) {
$submissiongrade = reset($grades->items[0]->grades);
$info .= get_string('submissiongrade', 'workshop') . ': ' . $submissiongrade->str_long_grade . html_writer::empty_tag('br');
$time = max($time, $submissiongrade->dategraded);
}
if (!empty($grades->items[1]->grades)) {
$assessmentgrade = reset($grades->items[1]->grades);
$info .= get_string('gradinggrade', 'workshop') . ': ' . $assessmentgrade->str_long_grade;
$time = max($time, $assessmentgrade->dategraded);
}
if (!empty($info) and !empty($time)) {
$return = new stdclass();
$return->time = $time;
$return->info = $info;
return $return;
}
return null;
}
/**
* Print a detailed representation of what a user has done with
* a given particular instance of this module, for user activity reports.
*
* @return string HTML
*/
function workshop_user_complete($course, $user, $mod, $workshop) {
global $CFG, $DB, $OUTPUT;
require_once(dirname(__FILE__).'/locallib.php');
require_once($CFG->libdir.'/gradelib.php');
$workshop = new workshop($workshop, $mod, $course);
$grades = grade_get_grades($course->id, 'mod', 'workshop', $workshop->id, $user->id);
if (!empty($grades->items[0]->grades)) {
$submissiongrade = reset($grades->items[0]->grades);
$info = get_string('submissiongrade', 'workshop') . ': ' . $submissiongrade->str_long_grade;
echo html_writer::tag('li', $info, array('class'=>'submissiongrade'));
}
if (!empty($grades->items[1]->grades)) {
$assessmentgrade = reset($grades->items[1]->grades);
$info = get_string('gradinggrade', 'workshop') . ': ' . $assessmentgrade->str_long_grade;
echo html_writer::tag('li', $info, array('class'=>'gradinggrade'));
}
if (has_capability('mod/workshop:viewallsubmissions', $workshop->context)) {
$canviewsubmission = true;
if (groups_get_activity_groupmode($workshop->cm) == SEPARATEGROUPS) {
// user must have accessallgroups or share at least one group with the submission author
if (!has_capability('moodle/site:accessallgroups', $workshop->context)) {
$usersgroups = groups_get_activity_allowed_groups($workshop->cm);
$authorsgroups = groups_get_all_groups($workshop->course->id, $user->id, $workshop->cm->groupingid, 'g.id');
$sharedgroups = array_intersect_key($usersgroups, $authorsgroups);
if (empty($sharedgroups)) {
$canviewsubmission = false;
}
}
}
if ($canviewsubmission and $submission = $workshop->get_submission_by_author($user->id)) {
$title = format_string($submission->title);
$url = $workshop->submission_url($submission->id);
$link = html_writer::link($url, $title);
$info = get_string('submission', 'workshop').': '.$link;
echo html_writer::tag('li', $info, array('class'=>'submission'));
}
}
if (has_capability('mod/workshop:viewallassessments', $workshop->context)) {
if ($assessments = $workshop->get_assessments_by_reviewer($user->id)) {
foreach ($assessments as $assessment) {
$a = new stdclass();
$a->submissionurl = $workshop->submission_url($assessment->submissionid)->out();
$a->assessmenturl = $workshop->assess_url($assessment->id)->out();
$a->submissiontitle = s($assessment->submissiontitle);
echo html_writer::tag('li', get_string('assessmentofsubmission', 'workshop', $a));
}
}
}
}
/**
* Given a course and a time, this module should find recent activity
* that has occurred in workshop activities and print it out.
* Return true if there was output, or false is there was none.
*
* @param stdClass $course
* @param bool $viewfullnames
* @param int $timestart
* @return boolean
*/
function workshop_print_recent_activity($course, $viewfullnames, $timestart) {
global $CFG, $USER, $DB, $OUTPUT;
$sql = "SELECT s.id AS submissionid, s.title AS submissiontitle, s.timemodified AS submissionmodified,
author.id AS authorid, author.lastname AS authorlastname, author.firstname AS authorfirstname,
a.id AS assessmentid, a.timemodified AS assessmentmodified,
reviewer.id AS reviewerid, reviewer.lastname AS reviewerlastname, reviewer.firstname AS reviewerfirstname,
cm.id AS cmid
FROM {workshop} w
INNER JOIN {course_modules} cm ON cm.instance = w.id
INNER JOIN {modules} md ON md.id = cm.module
INNER JOIN {workshop_submissions} s ON s.workshopid = w.id
INNER JOIN {user} author ON s.authorid = author.id
LEFT JOIN {workshop_assessments} a ON a.submissionid = s.id
LEFT JOIN {user} reviewer ON a.reviewerid = reviewer.id
WHERE cm.course = ?
AND md.name = 'workshop'
AND s.example = 0
AND (s.timemodified > ? OR a.timemodified > ?)";
$rs = $DB->get_recordset_sql($sql, array($course->id, $timestart, $timestart));
$modinfo = get_fast_modinfo($course); // reference needed because we might load the groups
$submissions = array(); // recent submissions indexed by submission id
$assessments = array(); // recent assessments indexed by assessment id
$users = array();
foreach ($rs as $activity) {
if (!array_key_exists($activity->cmid, $modinfo->cms)) {
// this should not happen but just in case
continue;
}
$cm = $modinfo->cms[$activity->cmid];
if (!$cm->uservisible) {
continue;
}
if ($viewfullnames) {
// remember all user names we can use later
if (empty($users[$activity->authorid])) {
$u = new stdclass();
$u->lastname = $activity->authorlastname;
$u->firstname = $activity->authorfirstname;
$users[$activity->authorid] = $u;
}
if ($activity->reviewerid and empty($users[$activity->reviewerid])) {
$u = new stdclass();
$u->lastname = $activity->reviewerlastname;
$u->firstname = $activity->reviewerfirstname;
$users[$activity->reviewerid] = $u;
}
}
$context = context_module::instance($cm->id);
$groupmode = groups_get_activity_groupmode($cm, $course);
if ($activity->submissionmodified > $timestart and empty($submissions[$activity->submissionid])) {
$s = new stdclass();
$s->title = $activity->submissiontitle;
$s->authorid = $activity->authorid;
$s->timemodified = $activity->submissionmodified;
$s->cmid = $activity->cmid;
if (has_capability('mod/workshop:viewauthornames', $context)) {
$s->authornamevisible = true;
} else {
$s->authornamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($s->authorid === $USER->id) {
// own submissions always visible
$submissions[$activity->submissionid] = $s;
break;
}
if (has_capability('mod/workshop:viewallsubmissions', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
if (is_array($authorsgroups)) {
$authorsgroups = array_keys($authorsgroups);
$intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all submissions and shares a group with the author
$submissions[$activity->submissionid] = $s;
break;
}
}
} else {
// can see all submissions from all groups
$submissions[$activity->submissionid] = $s;
}
}
} while (0);
}
if ($activity->assessmentmodified > $timestart and empty($assessments[$activity->assessmentid])) {
$a = new stdclass();
$a->submissionid = $activity->submissionid;
$a->submissiontitle = $activity->submissiontitle;
$a->reviewerid = $activity->reviewerid;
$a->timemodified = $activity->assessmentmodified;
$a->cmid = $activity->cmid;
if (has_capability('mod/workshop:viewreviewernames', $context)) {
$a->reviewernamevisible = true;
} else {
$a->reviewernamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($a->reviewerid === $USER->id) {
// own assessments always visible
$assessments[$activity->assessmentid] = $a;
break;
}
if (has_capability('mod/workshop:viewallassessments', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
if (is_array($reviewersgroups)) {
$reviewersgroups = array_keys($reviewersgroups);
$intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all assessments and shares a group with the reviewer
$assessments[$activity->assessmentid] = $a;
break;
}
}
} else {
// can see all assessments from all groups
$assessments[$activity->assessmentid] = $a;
}
}
} while (0);
}
}
$rs->close();
$shown = false;
if (!empty($submissions)) {
$shown = true;
echo $OUTPUT->heading(get_string('recentsubmissions', 'workshop'), 3);
foreach ($submissions as $id => $submission) {
$link = new moodle_url('/mod/workshop/submission.php', array('id'=>$id, 'cmid'=>$submission->cmid));
if ($viewfullnames and $submission->authornamevisible) {
$author = $users[$submission->authorid];
} else {
$author = null;
}
print_recent_activity_note($submission->timemodified, $author, $submission->title, $link->out(), false, $viewfullnames);
}
}
if (!empty($assessments)) {
$shown = true;
echo $OUTPUT->heading(get_string('recentassessments', 'workshop'), 3);
foreach ($assessments as $id => $assessment) {
$link = new moodle_url('/mod/workshop/assessment.php', array('asid' => $id));
if ($viewfullnames and $assessment->reviewernamevisible) {
$reviewer = $users[$assessment->reviewerid];
} else {
$reviewer = null;
}
print_recent_activity_note($assessment->timemodified, $reviewer, $assessment->submissiontitle, $link->out(), false, $viewfullnames);
}
}
if ($shown) {
return true;
}
return false;
}
/**
* Returns all activity in course workshops since a given time
*
* @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 $index
*/
function workshop_get_recent_mod_activity(&$activities, &$index, $timestart, $courseid, $cmid, $userid=0, $groupid=0) {
global $CFG, $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];
$params = array();
if ($userid) {
$userselect = "AND (author.id = :authorid OR reviewer.id = :reviewerid)";
$params['authorid'] = $userid;
$params['reviewerid'] = $userid;
} else {
$userselect = "";
}
if ($groupid) {
$groupselect = "AND (authorgroupmembership.groupid = :authorgroupid OR reviewergroupmembership.groupid = :reviewergroupid)";
$groupjoin = "LEFT JOIN {groups_members} authorgroupmembership ON authorgroupmembership.userid = author.id
LEFT JOIN {groups_members} reviewergroupmembership ON reviewergroupmembership.userid = reviewer.id";
$params['authorgroupid'] = $groupid;
$params['reviewergroupid'] = $groupid;
} else {
$groupselect = "";
$groupjoin = "";
}
$params['cminstance'] = $cm->instance;
$params['submissionmodified'] = $timestart;
$params['assessmentmodified'] = $timestart;
$sql = "SELECT s.id AS submissionid, s.title AS submissiontitle, s.timemodified AS submissionmodified,
author.id AS authorid, author.lastname AS authorlastname, author.firstname AS authorfirstname,
author.picture AS authorpicture, author.imagealt AS authorimagealt, author.email AS authoremail,
a.id AS assessmentid, a.timemodified AS assessmentmodified,
reviewer.id AS reviewerid, reviewer.lastname AS reviewerlastname, reviewer.firstname AS reviewerfirstname,
reviewer.picture AS reviewerpicture, reviewer.imagealt AS reviewerimagealt, reviewer.email AS revieweremail
FROM {workshop_submissions} s
INNER JOIN {workshop} w ON s.workshopid = w.id
INNER JOIN {user} author ON s.authorid = author.id
LEFT JOIN {workshop_assessments} a ON a.submissionid = s.id
LEFT JOIN {user} reviewer ON a.reviewerid = reviewer.id
$groupjoin
WHERE w.id = :cminstance
AND s.example = 0
$userselect $groupselect
AND (s.timemodified > :submissionmodified OR a.timemodified > :assessmentmodified)
ORDER BY s.timemodified ASC, a.timemodified ASC";
$rs = $DB->get_recordset_sql($sql, $params);
$groupmode = groups_get_activity_groupmode($cm, $course);
$context = context_module::instance($cm->id);
$grader = has_capability('moodle/grade:viewall', $context);
$accessallgroups = has_capability('moodle/site:accessallgroups', $context);
$viewfullnames = has_capability('moodle/site:viewfullnames', $context);
$viewauthors = has_capability('mod/workshop:viewauthornames', $context);
$viewreviewers = has_capability('mod/workshop:viewreviewernames', $context);
if (is_null($modinfo->groups)) {
$modinfo->groups = groups_get_user_groups($course->id); // load all my groups and cache it in modinfo
}
$submissions = array(); // recent submissions indexed by submission id
$assessments = array(); // recent assessments indexed by assessment id
$users = array();
foreach ($rs as $activity) {
if ($viewfullnames) {
// remember all user names we can use later
if (empty($users[$activity->authorid])) {
$u = new stdclass();
$u->id = $activity->authorid;
$u->lastname = $activity->authorlastname;
$u->firstname = $activity->authorfirstname;
$u->picture = $activity->authorpicture;
$u->imagealt = $activity->authorimagealt;
$u->email = $activity->authoremail;
$users[$activity->authorid] = $u;
}
if ($activity->reviewerid and empty($users[$activity->reviewerid])) {
$u = new stdclass();
$u->id = $activity->reviewerid;
$u->lastname = $activity->reviewerlastname;
$u->firstname = $activity->reviewerfirstname;
$u->picture = $activity->reviewerpicture;
$u->imagealt = $activity->reviewerimagealt;
$u->email = $activity->revieweremail;
$users[$activity->reviewerid] = $u;
}
}
if ($activity->submissionmodified > $timestart and empty($submissions[$activity->submissionid])) {
$s = new stdclass();
$s->id = $activity->submissionid;
$s->title = $activity->submissiontitle;
$s->authorid = $activity->authorid;
$s->timemodified = $activity->submissionmodified;
if (has_capability('mod/workshop:viewauthornames', $context)) {
$s->authornamevisible = true;
} else {
$s->authornamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($s->authorid === $USER->id) {
// own submissions always visible
$submissions[$activity->submissionid] = $s;
break;
}
if (has_capability('mod/workshop:viewallsubmissions', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$authorsgroups = groups_get_all_groups($course->id, $s->authorid, $cm->groupingid);
if (is_array($authorsgroups)) {
$authorsgroups = array_keys($authorsgroups);
$intersect = array_intersect($authorsgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all submissions and shares a group with the author
$submissions[$activity->submissionid] = $s;
break;
}
}
} else {
// can see all submissions from all groups
$submissions[$activity->submissionid] = $s;
}
}
} while (0);
}
if ($activity->assessmentmodified > $timestart and empty($assessments[$activity->assessmentid])) {
$a = new stdclass();
$a->id = $activity->assessmentid;
$a->submissionid = $activity->submissionid;
$a->submissiontitle = $activity->submissiontitle;
$a->reviewerid = $activity->reviewerid;
$a->timemodified = $activity->assessmentmodified;
if (has_capability('mod/workshop:viewreviewernames', $context)) {
$a->reviewernamevisible = true;
} else {
$a->reviewernamevisible = false;
}
// the following do-while wrapper allows to break from deeply nested if-statements
do {
if ($a->reviewerid === $USER->id) {
// own assessments always visible
$assessments[$activity->assessmentid] = $a;
break;
}
if (has_capability('mod/workshop:viewallassessments', $context)) {
if ($groupmode == SEPARATEGROUPS and !has_capability('moodle/site:accessallgroups', $context)) {
if (isguestuser()) {
// shortcut - guest user does not belong into any group
break;
}
// this might be slow - show only submissions by users who share group with me in this cm
if (empty($modinfo->groups[$cm->id])) {
break;
}
$reviewersgroups = groups_get_all_groups($course->id, $a->reviewerid, $cm->groupingid);
if (is_array($reviewersgroups)) {
$reviewersgroups = array_keys($reviewersgroups);
$intersect = array_intersect($reviewersgroups, $modinfo->groups[$cm->id]);
if (empty($intersect)) {
break;
} else {
// can see all assessments and shares a group with the reviewer
$assessments[$activity->assessmentid] = $a;
break;
}
}
} else {
// can see all assessments from all groups
$assessments[$activity->assessmentid] = $a;
}
}
} while (0);
}
}
$rs->close();
$workshopname = format_string($cm->name, true);
if ($grader) {
require_once($CFG->libdir.'/gradelib.php');
$grades = grade_get_grades($courseid, 'mod', 'workshop', $cm->instance, array_keys($users));
}
foreach ($submissions as $submission) {
$tmpactivity = new stdclass();
$tmpactivity->type = 'workshop';
$tmpactivity->cmid = $cm->id;
$tmpactivity->name = $workshopname;
$tmpactivity->sectionnum = $cm->sectionnum;
$tmpactivity->timestamp = $submission->timemodified;
$tmpactivity->subtype = 'submission';
$tmpactivity->content = $submission;
if ($grader) {
$tmpactivity->grade = $grades->items[0]->grades[$submission->authorid]->str_long_grade;
}
if ($submission->authornamevisible and !empty($users[$submission->authorid])) {
$tmpactivity->user = $users[$submission->authorid];
}
$activities[$index++] = $tmpactivity;
}
foreach ($assessments as $assessment) {
$tmpactivity = new stdclass();
$tmpactivity->type = 'workshop';
$tmpactivity->cmid = $cm->id;
$tmpactivity->name = $workshopname;
$tmpactivity->sectionnum = $cm->sectionnum;
$tmpactivity->timestamp = $assessment->timemodified;
$tmpactivity->subtype = 'assessment';
$tmpactivity->content = $assessment;
if ($grader) {
$tmpactivity->grade = $grades->items[1]->grades[$assessment->reviewerid]->str_long_grade;
}
if ($assessment->reviewernamevisible and !empty($users[$assessment->reviewerid])) {
$tmpactivity->user = $users[$assessment->reviewerid];
}
$activities[$index++] = $tmpactivity;
}
}
/**
* Print single activity item prepared by {@see workshop_get_recent_mod_activity()}
*/
function workshop_print_recent_mod_activity($activity, $courseid, $detail, $modnames, $viewfullnames) {
global $CFG, $OUTPUT;
if (!empty($activity->user)) {
echo html_writer::tag('div', $OUTPUT->user_picture($activity->user, array('courseid'=>$courseid)),
array('style' => 'float: left; padding: 7px;'));
}
if ($activity->subtype == 'submission') {
echo html_writer::start_tag('div', array('class'=>'submission', 'style'=>'padding: 7px; float:left;'));
if ($detail) {
echo html_writer::start_tag('h4', array('class'=>'workshop'));
$url = new moodle_url('/mod/workshop/view.php', array('id'=>$activity->cmid));
$name = s($activity->name);
echo html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('icon', $activity->type), 'class'=>'icon', 'alt'=>$name));
echo ' ' . $modnames[$activity->type];
echo html_writer::link($url, $name, array('class'=>'name', 'style'=>'margin-left: 5px'));
echo html_writer::end_tag('h4');
}
echo html_writer::start_tag('div', array('class'=>'title'));
$url = new moodle_url('/mod/workshop/submission.php', array('cmid'=>$activity->cmid, 'id'=>$activity->content->id));
$name = s($activity->content->title);
echo html_writer::tag('strong', html_writer::link($url, $name));
echo html_writer::end_tag('div');
if (!empty($activity->user)) {
echo html_writer::start_tag('div', array('class'=>'user'));
$url = new moodle_url('/user/view.php', array('id'=>$activity->user->id, 'course'=>$courseid));
$name = fullname($activity->user);
$link = html_writer::link($url, $name);
echo get_string('submissionby', 'workshop', $link);
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
} else {
echo html_writer::start_tag('div', array('class'=>'anonymous'));
echo get_string('submission', 'workshop');
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
}
echo html_writer::end_tag('div');
}
if ($activity->subtype == 'assessment') {
echo html_writer::start_tag('div', array('class'=>'assessment', 'style'=>'padding: 7px; float:left;'));
if ($detail) {
echo html_writer::start_tag('h4', array('class'=>'workshop'));
$url = new moodle_url('/mod/workshop/view.php', array('id'=>$activity->cmid));
$name = s($activity->name);
echo html_writer::empty_tag('img', array('src'=>$OUTPUT->pix_url('icon', $activity->type), 'class'=>'icon', 'alt'=>$name));
echo ' ' . $modnames[$activity->type];
echo html_writer::link($url, $name, array('class'=>'name', 'style'=>'margin-left: 5px'));
echo html_writer::end_tag('h4');
}
echo html_writer::start_tag('div', array('class'=>'title'));
$url = new moodle_url('/mod/workshop/assessment.php', array('asid'=>$activity->content->id));
$name = s($activity->content->submissiontitle);
echo html_writer::tag('em', html_writer::link($url, $name));
echo html_writer::end_tag('div');
if (!empty($activity->user)) {
echo html_writer::start_tag('div', array('class'=>'user'));
$url = new moodle_url('/user/view.php', array('id'=>$activity->user->id, 'course'=>$courseid));
$name = fullname($activity->user);
$link = html_writer::link($url, $name);
echo get_string('assessmentbyfullname', 'workshop', $link);
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
} else {
echo html_writer::start_tag('div', array('class'=>'anonymous'));
echo get_string('assessment', 'workshop');
echo ' - '.userdate($activity->timestamp);
echo html_writer::end_tag('div');
}
echo html_writer::end_tag('div');
}
echo html_writer::empty_tag('br', array('style'=>'clear:both'));
}
/**
* Regular jobs to execute via cron
*
* @return boolean true on success, false otherwise
*/
function workshop_cron() {
global $CFG, $DB;
$now = time();
mtrace(' processing workshop subplugins ...');
cron_execute_plugin_type('workshopallocation', 'workshop allocation methods');
// now when the scheduled allocator had a chance to do its job, check if there
// are some workshops to switch into the assessment phase
$workshops = $DB->get_records_select("workshop",
"phase = 20 AND phaseswitchassessment = 1 AND submissionend > 0 AND submissionend < ?", array($now));
if (!empty($workshops)) {
mtrace('Processing automatic assessment phase switch in '.count($workshops).' workshop(s) ... ', '');
require_once($CFG->dirroot.'/mod/workshop/locallib.php');
foreach ($workshops as $workshop) {
$cm = get_coursemodule_from_instance('workshop', $workshop->id, $workshop->course, false, MUST_EXIST);
$course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
$workshop = new workshop($workshop, $cm, $course);
$workshop->switch_phase(workshop::PHASE_ASSESSMENT);
$workshop->log('update switch phase', $workshop->view_url(), $workshop->phase);
// disable the automatic switching now so that it is not executed again by accident
// if the teacher changes the phase back to the submission one
$DB->set_field('workshop', 'phaseswitchassessment', 0, array('id' => $workshop->id));
// todo inform the teachers
}
mtrace('done');
}
return true;
}
/**
* Is a given scale used by the instance of workshop?
*
* The function asks all installed grading strategy subplugins. The workshop
* core itself does not use scales. Both grade for submission and grade for
* assessments do not use scales.
*
* @param int $workshopid id of workshop instance
* @param int $scaleid id of the scale to check
* @return bool
*/
function workshop_scale_used($workshopid, $scaleid) {
global $CFG; // other files included from here
$strategies = get_plugin_list('workshopform');
foreach ($strategies as $strategy => $strategypath) {
$strategylib = $strategypath . '/lib.php';
if (is_readable($strategylib)) {
require_once($strategylib);
} else {
throw new coding_exception('the grading forms subplugin must contain library ' . $strategylib);
}
$classname = 'workshop_' . $strategy . '_strategy';
if (method_exists($classname, 'scale_used')) {
if (call_user_func_array(array($classname, 'scale_used'), array($scaleid, $workshopid))) {
// no need to include any other files - scale is used
return true;
}
}
}
return false;
}
/**
* Is a given scale used by any instance of workshop?
*
* The function asks all installed grading strategy subplugins. The workshop
* core itself does not use scales. Both grade for submission and grade for
* assessments do not use scales.
*
* @param int $scaleid id of the scale to check
* @return bool
*/
function workshop_scale_used_anywhere($scaleid) {
global $CFG; // other files included from here
$strategies = get_plugin_list('workshopform');