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locallib.php
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locallib.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/>.
/**
* Internal library of functions for module geogebra
*
* All the geogebra specific functions, needed to implement the module
* logic, should go here. Never include this file from your lib.php!
*
* @package mod
* @subpackage geogebra
* @copyright 2011 Departament d'Ensenyament de la Generalitat de Catalunya
* @author Sara Arjona Téllez <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once $CFG->libdir . '/filelib.php';
function geogebra_before_add_or_update(&$geogebra, $mform) {
geogebra_update_attributes($geogebra);
if (is_null($mform)) {
$geogebra->url = '';
} else if ($mform->get_data()->filetype === GEOGEBRA_FILE_TYPE_LOCAL) {
$geogebra->url = $mform->get_data()->geogebrafile;
} else {
$geogebra->url = $geogebra->geogebraurl;
}
return true;
}
function geogebra_after_add_or_update($geogebra, $mform) {
global $DB;
if (is_null($mform)) {
$geogebra->url = '';
} else if ($mform->get_data()->filetype === GEOGEBRA_FILE_TYPE_LOCAL) {
$filename = geogebra_set_mainfile($geogebra);
$geogebra->url = $filename;
$result = $DB->update_record('geogebra', $geogebra);
}
if (isset($geogebra->timedue) && $geogebra->timedue) {
$event = new stdClass();
if ($event->id = $DB->get_field('event', 'id', ['modulename' => 'geogebra', 'instance' => $geogebra->id])) {
$event->name = $geogebra->name;
$event->description = format_module_intro('geogebra', $geogebra, $geogebra->coursemodule, false);
$event->timestart = $geogebra->timedue;
$calendarevent = calendar_event::load($event->id);
$calendarevent->update($event);
} else {
$event = new stdClass();
$event->name = $geogebra->name;
$event->description = format_module_intro('geogebra', $geogebra, $geogebra->coursemodule, false);
$event->courseid = $geogebra->course;
$event->groupid = 0;
$event->userid = 0;
$event->modulename = 'geogebra';
$event->instance = $geogebra->id;
$event->eventtype = 'due';
$event->timestart = $geogebra->timedue;
$event->timeduration = 0;
calendar_event::create($event);
}
} else {
$DB->delete_records('event', ['modulename' => 'geogebra', 'instance' => $geogebra->id]);
}
// Get existing grade item.
geogebra_grade_item_update($geogebra);
return true;
}
/**
* Get an array with the file types
*
* @throws coding_exception
* @return array The array with each file type
*/
function geogebra_get_file_types() {
$filetypes = [GEOGEBRA_FILE_TYPE_LOCAL => get_string('filetypelocal', 'geogebra')];
$filetypes[GEOGEBRA_FILE_TYPE_EXTERNAL] = get_string('filetypeexternal', 'geogebra');
return $filetypes;
}
/**
* Display the geogebra intro
*
*/
function geogebra_view_intro($geogebra, $cm) {
global $OUTPUT;
echo $OUTPUT->heading(format_string($geogebra->name, false));
echo $OUTPUT->box_start('generalbox boxaligncenter', 'intro');
echo format_module_intro('geogebra', $geogebra, $cm->id);
echo $OUTPUT->box_end();
}
/**
* Display the GeoGebra dates
*
* Prints the GeoGebra start and end dates in a box.
*/
function geogebra_view_dates($geogebra) {
global $OUTPUT;
if (!$geogebra->timeavailable && !$geogebra->timedue) {
return;
}
echo $OUTPUT->box_start('generalbox boxaligncenter geogebradates', 'dates');
if ($geogebra->timeavailable) {
echo '<div class="title-time">' . get_string('availabledate', 'geogebra') . ': </div>';
echo '<div class="data-time">' . userdate($geogebra->timeavailable) . '</div>';
}
if ($geogebra->timedue) {
echo '<div class="title-time">' . get_string('duedate', 'geogebra') . ': </div>';
echo '<div class="data-time">' . userdate($geogebra->timedue) . '</div>';
}
echo $OUTPUT->box_end();
}
/**
* Display the GeoGebra applet
*
* @param object $geogebra
* @param object $cm
* @param object $context
* @param null $attempt
* @param bool $ispreview
* @throws \Random\RandomException
* @throws coding_exception
* @throws dml_exception
* @return string
*/
function geogebra_view_applet($geogebra, $cm, $context, $attempt = null, $ispreview = false) {
global $OUTPUT, $PAGE, $USER;
$timenow = time();
if ($attempt) {
$viewmode = 'view';
$userid = $attempt->userid;
} else {
$userid = $USER->id;
if ($ispreview) {
$viewmode = 'preview';
} else {
$viewmode = 'submit';
}
}
$isopen = (empty($geogebra->timeavailable) || $geogebra->timeavailable < $timenow);
$content = '';
if (!$isopen) {
$content .= $OUTPUT->notification(get_string('notopenyet', 'geogebra', userdate($geogebra->timeavailable)));
if (!$ispreview) {
return $content;
}
}
$isclosed = (!empty($geogebra->timedue) && $geogebra->timedue < $timenow);
if ($isclosed) {
$content .= $OUTPUT->notification(get_string('expired', 'geogebra', userdate($geogebra->timedue)));
if (!$ispreview) {
return $content;
}
}
$attempts = geogebra_count_finished_attempts($geogebra->id, $userid);
if ($ispreview || $geogebra->maxattempts < 0 || $attempts < $geogebra->maxattempts) {
// Show results when viewmode is "view"
if (!empty($attempt)) {
// TODO: Change $USER by selected userid
geogebra_view_userid_results($geogebra, $userid, $cm, $context, $viewmode, $attempt);
} else if (!$ispreview) {
echo $OUTPUT->box_start('generalbox');
if ($geogebra->maxattempts < 0) {
echo get_string('unlimitedattempts', 'geogebra') . '<br/>';
} else if ($attempts === ($geogebra->maxattempts - 1)) {
echo get_string('lastattemptremaining', 'geogebra') . '<br/>';
} else {
echo get_string('attemptsremaining', 'geogebra') . ($geogebra->maxattempts - $attempts) . '<br/>';
}
// If there is some unfinished attempt, show it
$attempt = geogebra_get_unfinished_attempt($geogebra->id, $userid);
if (!empty($attempt)) {
echo '(' . get_string('resumeattempt', 'geogebra') . ')';
}
echo $OUTPUT->box_end();
}
geogebra_print_content($geogebra, $context);
// If not preview mode, load status.
$parsedvars = null;
if ($attempt) {
parse_str($attempt->vars, $parsedvars);
}
if (isset($parsedvars['state'])) {
// Continue previous attempt.
$eduxtecadapterparameters = http_build_query([
'state' => $parsedvars['state'],
'grade' => $parsedvars['grade'] ?? 0,
'duration' => $parsedvars['duration'],
'attempts' => $parsedvars['attempts'],
], '', '&');
} else {
// New attempt
$attempts = geogebra_count_finished_attempts($geogebra->id, $userid) + 1;
$eduxtecadapterparameters = http_build_query([
'attempts' => $attempts,
], '', '&');
}
$PAGE->requires->js('/mod/geogebra/geogebra_view.js');
echo '<form id="geogebra_form" method="POST" action="attempt.php">';
echo '<input type="hidden" name="appletInformation" />';
echo '<input type="hidden" name="id" value="' . $context->instanceid . '"/>';
echo '<input type="hidden" name="n" value="' . $geogebra->id . '"/>';
echo '<input type="hidden" name="f" value="0"/>';
// Only show submit buttons if not view mode
if (empty($attempt) || !$attempt->finished) {
echo '<input id="geogebra_form_save" type="button" value="' . get_string('savewithoutsubmitting', 'geogebra') . '" />';
echo '<input id="geogebra_form_submit" type="button" value="' . get_string('submitandfinish', 'geogebra') . '" />';
}
echo '<input type="hidden" name="prevAppletInformation" value="' . $eduxtecadapterparameters . '" />';
echo ' </form>';
} else {
echo $OUTPUT->box(get_string('msg_noattempts', 'geogebra'), 'generalbox boxaligncenter');
}
geogebra_view_dates($geogebra);
return '';
}
function geogebra_get_id($url) {
$parts = explode('/', $url);
foreach ($parts as $i => $part) {
if ($part === 'id') {
return $parts[$i + 1];
}
}
return false;
}
function geogebra_get_script_param($name, $attributes) {
return (isset($attributes[$name]) && $attributes[$name]) ? 'true' : 'false';
}
/**
* @throws \Random\RandomException
* @throws dml_exception
* @return void
*/
function geogebra_print_content($geogebra, $context) {
parse_str($geogebra->attributes, $attributes);
$attribnames = ['enableRightClick', 'showAlgebraInput', 'showMenuBar', 'showToolBar',
'showToolBarHelp', 'enableLabelDrags', 'showResetIcon', 'useBrowserForJS'];
// Set safe default values. The value set to zero causes the activity to be inaccesible
// when the GeoGebra keyboard is colapsed.
if ((int)$geogebra->width === 0) {
$geogebra->width = 800;
}
if ((int)$geogebra->height === 0) {
$geogebra->height = 600;
}
$attribs = [
'randomSeed' => $geogebra->seed,
'width' => $geogebra->width,
'height' => $geogebra->height,
'language' => $attributes['language'],
];
// If seed is 0 or not set (default is 0) then all random elements in the
// GGB activity will be randomly assigned for every access to the GGB activity
// set seed to have all instances with the same random values.
if ((int)$geogebra->seed === 0) {
unset($attribs['randomSeed']);
}
if (geogebra_is_valid_external_url($geogebra->url)) {
// Get contents if specified GGB is external
$materialid = geogebra_get_id($geogebra->url);
if (!$materialid) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $geogebra->url);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$content = curl_exec($curl);
curl_close($curl);
}
} else {
$fs = get_file_storage();
$file = $fs->get_file($context->id, 'mod_geogebra', 'content', 0, '/', $geogebra->url);
if ($file) {
$content = $file->get_content();
}
}
if (!empty($content)) {
$attribs['ggbBase64'] = base64_encode($content);
// $attribs['ggbBase64'] = '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';
} else if (!empty($materialid)) {
$attribs['material_id'] = $materialid;
} else {
return ;
}
// Add loading of fflate
echo '<script type="text/javascript" src="' . get_config('geogebra', 'fflate') . '"></script>';
// Check if the activity has a custom URL for deploy ggb
$deployggburl = !empty($geogebra->urlggb) ? $geogebra->urlggb : get_config('geogebra', 'deployggb');
// Check if there is a custom URL for codebase (set in module configuration).
$codebase = get_config('geogebra', 'codebase');
// Add loading of GeoGebra
echo '<script type="text/javascript" src="' . $deployggburl . '"></script>';
echo '<script>window.onload = function() {
var applet = new GGBApplet({';
foreach ($attribnames as $name) {
echo $name . ':' . geogebra_get_script_param($name, $attributes) . ', ';
}
foreach ($attribs as $name => $value) {
echo $name . ':"' . $value . '", ';
}
echo '}, true);';
if (!empty($codebase)) {
echo 'applet.setHTML5Codebase("' . $codebase . '");';
}
echo 'applet.inject("applet_container", "preferHTML5");
}
</script>
<div id="applet_container"></div>';
// Include also javascript code from GGB file.
geogebra_get_js_from_geogebra($context, $geogebra);
}
/**
* Execute Javascript that is embedded in the geogebra file, if it exists
* File must be named geogebra_javascript.js
*
* @param object $context Of the activity to get the files
* @param object $geogebra object with the activity info
* @throws \Random\RandomException
*/
function geogebra_get_js_from_geogebra($context, $geogebra) {
global $CFG;
$content = false;
if (geogebra_is_valid_external_url($geogebra->url)) {
require_once $CFG->libdir . '/filestorage/zip_packer.php';
// Prepare tmp dir (create if not exists, download ggb file...)
$dirname = 'mod_geogebra_' . time() . random_int(0, 9999);
$tmpdir = make_temp_directory($dirname);
if (!$tmpdir) {
debugging("Cannot create temp directory $dirname");
return;
}
$materialid = geogebra_get_id($geogebra->url);
if ($materialid) {
$ggbfile = "https://tube.geogebra.org/material/download/format/file/id/$materialid";
} else {
$ggbfile = $geogebra->url;
}
$filename = pathinfo($ggbfile, PATHINFO_FILENAME);
$tmpggbfile = tempnam($tmpdir, $filename . '_');
// Download external GGB and extract javascript file
if (!download_file_content($ggbfile, null, null, false, 300, 20, false, $tmpggbfile)) {
debugging("Error copying from $ggbfile");
return;
}
// Extract geogebra js from GGB file
$zip = new zip_packer();
$extract = $zip->extract_to_pathname($tmpggbfile, $tmpdir, ['geogebra_javascript.js']);
if ($extract && $extract['geogebra_javascript.js']) {
unlink($tmpggbfile);
} else {
@unlink($tmpggbfile);
@rmdir($tmpdir);
debugging("Cannot open zipfile $tmpggbfile");
return;
}
$content = file_get_contents($tmpdir . '/geogebra_javascript.js');
// Delete temporary files
unlink($tmpdir . '/geogebra_javascript.js');
rmdir($tmpdir);
} else {
$fs = get_file_storage();
$file = $fs->get_file($context->id, 'mod_geogebra', 'extracted_files', 0, '/', 'geogebra_javascript.js');
if ($file) {
$content = $file->get_content();
}
}
if (empty($content)) {
//debugging("Empty content");
return;
}
// Modified: 20/10/2021
// Global variable `ggbApplet` not yet used
echo '<script type="text/javascript">
if (typeof ggbApplet == \'undefined\') {
ggbApplet = document.ggbApplet;
}
' . $content . '</script>';
}
/**
* Returns a link with info about the state of the geogebra attempts
* This is used by view_header to put this link at the top right of the page.
* For teachers, it gives the number of attempted geogebras with a link
* For students it gives the time of their last attempt.
*
* @param bool $allgroups
* @return string
*/
function geogebra_submittedlink($allgroups = false) {
return '';
}
/**
* Get moodle server
*
* @return string myserver.com:port
*/
function geogebra_get_server() {
global $CFG, $OUTPUT;
if (!empty($CFG->wwwroot)) {
$url = parse_url($CFG->wwwroot);
}
if (!empty($url['host'])) {
$hostname = $url['host'];
} else if (!empty($_SERVER['SERVER_NAME'])) {
$hostname = $_SERVER['SERVER_NAME'];
} else if (!empty($_ENV['SERVER_NAME'])) {
$hostname = $_ENV['SERVER_NAME'];
} else if (!empty($_SERVER['HTTP_HOST'])) {
$hostname = $_SERVER['HTTP_HOST'];
} else if (!empty($_ENV['HTTP_HOST'])) {
$hostname = $_ENV['HTTP_HOST'];
} else {
$OUTPUT->notification('Warning: could not find the name of this server!');
return false;
}
if (!empty($url['port'])) {
$hostname .= ':' . $url['port'];
} else if (!empty($_SERVER['SERVER_PORT']) && $_SERVER['SERVER_PORT'] !== 80 && $_SERVER['SERVER_PORT'] !== 443) {
$hostname .= ':' . $_SERVER['SERVER_PORT'];
}
return $hostname;
}
/**
* Get moodle path
*
* @return string /path_to_moodle
*/
function geogebra_get_path() {
global $CFG;
$path = '/';
if (!empty($CFG->wwwroot)) {
$url = parse_url($CFG->wwwroot);
if (array_key_exists('path', $url)) {
$path = $url['path'];
}
}
return $path;
}
function geogebra_get_filemanager_options() {
$options = [];
$options['return_types'] = 3; // 3 == FILE_EXTERNAL & FILE_INTERNAL. These two constant names are defined in repository/lib.php
$options['accepted_types'] = '*'; // array('.ggb');
$options['maxbytes'] = 0;
$options['subdirs'] = 0;
$options['maxfiles'] = 1;
return $options;
}
function geogebra_set_mainfile($data) {
$cmid = $data->coursemodule;
$draftitemid = $data->url;
$context = context_module::instance($cmid);
if ($draftitemid) {
file_save_draft_area_files($draftitemid, $context->id, 'mod_geogebra', 'content', 0, geogebra_get_filemanager_options());
}
return geogebra_extract_package($cmid);
}
/**
* Extracts GGB package, sets up all variables.
*
* @param int $cmid
* @throws coding_exception
* @return filename
*/
function geogebra_extract_package($cmid) {
$fs = get_file_storage();
$context = context_module::instance($cmid);
$files = $fs->get_area_files($context->id, 'mod_geogebra', 'content', 0, 'sortorder', false);
if (count($files) === 1) {
// only one file attached, set it as main file automatically
$package = reset($files);
file_set_sortorder($context->id, 'mod_geogebra', 'content', 0, $package->get_filepath(), $package->get_filename(), 1);
$filename = $package->get_filename();
// Extract files.
$fs->delete_area_files($context->id, 'mod_geogebra', 'extracted_files');
$packer = get_file_packer('application/zip');
$package->extract_to_storage($packer, $context->id, 'mod_geogebra', 'extracted_files', 0, '/');
}
return $filename;
}
function geogebra_is_valid_external_url($url) {
// URL of form geogebra.org/m/<id> is invalid.
if (preg_match('/^(http:\/\/|https:\/\/)([www\.]*)(geogebra\.org\/m\/)[a-z\d;:@&%=+\/\$_.-]*$/i', $url) === 1) {
\core\notification::warning(get_string('invalidurl', 'geogebra'));
$result = 0;
} else {
// Other resources
$result = preg_match('/(http:\/\/|https:\/\/|www).*\/*(\?[a-z+&\$_.-][a-z\d;:@&%=+\/\$_.-]*)?$/i', $url);
}
return $result;
}
function geogebra_is_valid_file($filename) {
return preg_match('/.ggb$/i', $filename);
}
// Attempts.
/**
* Convert specified time (in milliseconds) to XX' YY'' format
*
* @param int $time time (in milliseconds) to format
*/
function geogebra_format_time($time) {
return floor($time / 60000) . "' " . round(fmod($time, 60000) / 1000, 0) . "''";
}
/**
* Format time from milliseconds to string
*
* @return string Formated string [x' y''], where x are the minutes and y are the seconds.
* @param int $time The time (in ms)
*/
function geogebra_time2str($time) {
return floor($time / 60) . "' " . round(fmod($time, 60), 0) . "''";
}
function geogebra_view_results($geogebra, $context, $cm, $course, $action) {
global $CFG, $DB, $OUTPUT;
// Show students list with their results
require_once $CFG->libdir . '/gradelib.php';
$perpage = optional_param('perpage', 10, PARAM_INT);
$perpage = ($perpage <= 0) ? 10 : $perpage;
$page = optional_param('page', 0, PARAM_INT);
// Find out current groups mode
$groupmode = groups_get_activity_groupmode($cm);
$currentgroup = groups_get_activity_group($cm, true);
// Get all ppl that are allowed to submit geogebra
[$esql, $params] = get_enrolled_sql($context, 'mod/geogebra:submit', $currentgroup);
$sql = "SELECT u.id FROM {user} u " .
"LEFT JOIN ($esql) eu ON eu.id=u.id " .
"WHERE u.deleted = 0 AND eu.id=u.id ";
$users = $DB->get_records_sql($sql, $params);
if (!empty($users)) {
$users = array_keys($users);
}
// If groupmembersonly used, remove users who are not in any group
if (($users && !empty($CFG->enablegroupmembersonly) && $cm->groupmembersonly) && $groupingusers = groups_get_grouping_members
($cm->groupingid, 'u.id', 'u.id')) {
$users = array_intersect($users, array_keys($groupingusers));
}
// TODO: Review to show all users information
if (!empty($users)) {
// Create results table
$extrafields = \core_user\fields::for_identity($context, false)->get_required_fields();
$tablecolumns = array_merge(
['picture', 'fullname'],
$extrafields,
['attempts', 'duration', 'grade', 'comment', 'datestudent', 'dateteacher', 'status']
);
$extrafieldnames = [];
foreach ($extrafields as $field) {
$extrafieldnames[] = \core_user\fields::get_display_name($field);
}
$tableheaders = array_merge(
['', get_string('fullnameuser')],
$extrafieldnames,
[
get_string('attempts', 'geogebra'),
get_string('duration', 'geogebra'),
get_string('gradenoun'),
get_string('comment', 'geogebra'),
get_string('lastmodifiedsubmission', 'geogebra'),
get_string('lastmodifiedgrade', 'geogebra'),
get_string('status', 'geogebra'),
]);
require_once $CFG->libdir . '/tablelib.php';
$table = new flexible_table('mod-geogebra-results');
$table->define_columns($tablecolumns);
$table->define_headers($tableheaders);
$table->define_baseurl($CFG->wwwroot . '/mod/geogebra/report.php?id=' . $cm->id . '&currentgroup=' . $currentgroup);
$table->sortable(true, 'lastname'); // Sorted by lastname by default
$table->collapsible(true);
$table->initialbars(true);
$table->column_suppress('picture');
$table->column_suppress('fullname');
$table->column_class('picture', 'picture');
$table->column_class('fullname', 'fullname');
foreach ($extrafields as $field) {
$table->column_class($field, $field);
}
$table->set_attribute('cellspacing', '0');
$table->set_attribute('id', 'attempts');
$table->set_attribute('class', 'results generaltable generalbox');
$table->set_attribute('width', '100%');
$table->no_sorting('attempts');
$table->no_sorting('duration');
$table->no_sorting('grade');
$table->no_sorting('comment');
$table->no_sorting('datestudent');
$table->no_sorting('dateteacher');
$table->no_sorting('status');
// Start working -- this is necessary as soon as the niceties are over
$table->setup();
// Construct the SQL
[$where, $params] = $table->get_sql_where();
if ($where) {
$where .= ' AND ';
}
[$whereusers, $paramsusers] = $DB->get_in_or_equal($users, SQL_PARAMS_NAMED, 'uid');
$where .= 'u.id ' . $whereusers;
if ($sort = $table->get_sql_sort()) {
$sort = ' ORDER BY ' . $sort;
}
$userpicfields = \core_user\fields::for_userpic();
$userpicfields->including(...$extrafields);
$ufieldsql = $userpicfields->get_sql('', false, '', '', false);
$params = array_merge($params, $ufieldsql->params, $paramsusers);
$query = 'SELECT ' . $ufieldsql->selects . ' FROM {user} u';
if ($ufieldsql->joins) {
$query .= ' JOIN ' . $ufieldsql->joins;
}
$query .= ' WHERE ' . $where . $sort;
$ausers = $DB->get_records_sql($query, $params, $table->get_page_start(), $table->get_page_size());
$table->pagesize($perpage, count($users));
if ($ausers !== false) {
foreach ($ausers as $auser) {
$picture = $OUTPUT->user_picture($auser);
$userlink = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $auser->id . '&course=' . $course->id . '">' .
fullname($auser, has_capability('moodle/site:viewfullnames', $context)) . '</a>';
$row = [$picture, $userlink];
// Attempts summary.
$attempts = geogebra_get_user_attempts($geogebra->id, $auser->id);
$attemptssummary = geogebra_get_user_grades($geogebra, $auser->id);
if ($attemptssummary) {
$row[] = $attemptssummary->attempts;
$row[] = geogebra_time2str($attemptssummary->duration);
$row[] = $attemptssummary->grade;
$rowclass = ($attemptssummary->attempts > 0) ? 'summary-row' : '';
} else {
$row[] = '';
$row[] = '';
$row[] = '';
$rowclass = '';
}
$row[] = '';
$row[] = '';
$row[] = '';
$row[] = '';
$table->add_data($row, $rowclass);
// Show attempts information
foreach ($attempts as $attempt) {
$row = [];
// In the attempts row, show only the summary of the attempt (it's not necessary to repeat user information)
for ($i = 0; $i < 2; $i++) {
$row[] = '';
}
// Attempt information
$row = geogebra_get_attempt_row($geogebra, $attempt, $auser, $cm, $context, $row);
$table->add_data($row);
}
}
}
$table->finish_html(); // Print the whole table
} else {
echo $OUTPUT->notification(get_string('msg_nosessions', 'geogebra'), 'notifymessage');
}
}
function geogebra_get_results_table_columns($cm = null) {
// $tablecolumns = array('picture', 'fullname', 'attempts', 'duration', 'grade', 'comment', 'datestudent', 'dateteacher', 'status');
// $tablecolumns = array('attempts', 'duration', 'grade', 'comment', 'datestudent', 'dateteacher', 'status');
$tablecolumns = ['attempts', 'duration', 'grade'];
if (!empty($cm)) {
$tablecolumns[] = 'comment';
}
$tablecolumns[] = 'datestudent';
$tablecolumns[] = 'dateteacher';
if (!empty($cm)) {
$tablecolumns[] = 'status';
}
$tableheaders = [];
foreach ($tablecolumns as $tablecolumn) {
$tableheaders[] = get_string($tablecolumn, 'geogebra');
}
return ['tablecolumns' => $tablecolumns, 'tableheaders' => $tableheaders];
}
function geogebra_view_userid_results($geogebra, $userid, $cm, $context, $viewmode, $attempt = null) {
global $CFG, $DB, $OUTPUT, $USER;
require_once $CFG->libdir . '/tablelib.php';
$table = new flexible_table('mod-geogebra-results');
$user = $DB->get_record('user', ['id' => $userid]);
$tablecolumns = geogebra_get_results_table_columns($viewmode === 'view' ? null : $cm);
$table->define_columns($tablecolumns['tablecolumns']);
$table->define_headers($tablecolumns['tableheaders']);
$table->define_baseurl($CFG->wwwroot . '/mod/geogebra/view.php?id=' . $cm->id);
$table->set_attribute('cellspacing', '0');
$table->set_attribute('id', 'attempts');
$table->set_attribute('class', 'results generaltable generalbox');
$table->set_attribute('width', '100%');
// Start working -- this is necessary as soon as the niceties are over
$table->setup();
// Construct the SQL
[$where, $params] = $table->get_sql_where();
if ($where) {
$where .= ' AND ';
}
// Show results only for specified user
if (!empty($attempt)) {
// Show only results of specified attempt
$table = new html_table();
$table->size = ['10%', '90%'];
parse_str($attempt->vars, $parsedvars);
$numattempt = $parsedvars['attempts'];
if (!$attempt->finished) {
$numattempt .= ' (' . get_string('unfinished', 'geogebra') . ')';
}
$duration = geogebra_time2str($parsedvars['duration']);
$grade = $parsedvars['grade'] ?? 0;
if ($grade < 0) {
$grade = '';
}
if (is_siteadmin() || has_capability('moodle/grade:viewall', $context, $USER->id, false)) {
// Show form to grade and comment this attempt.
require_once 'gradeform.php';
$data = new stdClass();
$data->id = $cm->id;
$data->student = $user->id;
$data->attemptid = $attempt->id;
$data->attempt = $numattempt;
$data->duration = $duration;
$data->grade = $grade;
$data->comment_editor['text'] = $attempt->gradecomment;
$data->comment_editor['format'] = FORMAT_HTML;
// Create form
$mform = new mod_geogebra_grade_form(null, [$geogebra, $data, null], 'post', '', ['class' => 'gradeform']);
$action = optional_param('action', false, PARAM_TEXT);
if ($action === 'submitgrade') {
// Upgrade submitted grade
$grade = optional_param('grade', 0, PARAM_LOCALISEDFLOAT);
$gradecomment = optional_param_array('comment_editor', '', PARAM_RAW);
$attemptid = optional_param('attemptid', '', PARAM_INT);
$attempt = geogebra_get_attempt($attemptid);
parse_str($attempt->vars, $parsedvars);
$parsedvars['grade'] = $grade;
$attempt->vars = http_build_query($parsedvars, '', '&');
if ($formdata = $mform->get_data()) {
// TODO: Use $formdata insteadof optional_param
geogebra_update_attempt($attemptid, $attempt->vars, GEOGEBRA_UPDATE_TEACHER, $gradecomment['text']);
}
}
} else {
if ($geogebra->grade < 0) {
// Get scale name
$grademenu = make_grades_menu($geogebra->grade);
if (!empty($grade)) {
$grade = $grademenu[$grade];
}
}
// Show attempt
geogebra_add_table_row_tuple($table, get_string('attempt', 'geogebra'), $numattempt);
geogebra_add_table_row_tuple($table, get_string('duration', 'geogebra'), $duration);
geogebra_add_table_row_tuple($table, get_string('gradenoun'), $grade);
geogebra_add_table_row_tuple($table, get_string('comment', 'geogebra'), $attempt->gradecomment);
}
// Print attempt information with grade and comment form if user can grade
if (!empty($mform)) {
// Print user information
$picture = $OUTPUT->user_picture($user);
$userlink = '<a href="' . $CFG->wwwroot . '/user/view.php?id=' . $user->id . '&course=' . $geogebra->course . '">'
. fullname($user, has_capability('moodle/site:viewfullnames', $context)) . '</a>';
//echo $picture.' '.$userlink.' ('.$user->email.')';
echo $picture . ' ' . $userlink;
// Print form
$mform->display();
} else {
echo html_writer::table($table);
}
} else {
// Show all attempts information
$attempts = geogebra_get_user_attempts($geogebra->id, $user->id);
foreach ($attempts as $attempt) {
$row = geogebra_get_attempt_row($geogebra, $attempt, $user, $cm, $context);
$rowclass = '';
$table->add_data($row, $rowclass);
}
$table->finish_html(); // Print the whole table.
}
}
/**
*
* @param stdClass $attempt
* @param stdClass $user
* @param stdClass $cm
* @param array $row
* @global stdClass $CFG
* @throws coding_exception
* @return array
*/
function geogebra_get_attempt_row($geogebra, $attempt, $user, $cm = null, $context = null, $row = null) {
global $CFG, $USER;
if (empty($row)) {
$row = [];
}
parse_str($attempt->vars, $parsedvars);
$numattempt = $parsedvars['attempts'];
if (!$attempt->finished) {
$numattempt .= ' (' . get_string('unfinished', 'geogebra') . ')';
}
$row[] = $numattempt;
$duration = geogebra_time2str($parsedvars['duration']);