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responses.php
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responses.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/>.
/**
* View responses to a quiz
*
* @copyright Davo Smith <[email protected]>
* @package mod_realtimequiz
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
**/
require_once("../../config.php");
global $CFG, $DB, $OUTPUT, $PAGE;
require_once($CFG->dirroot.'/mod/realtimequiz/lib.php');
define('REALTIMEQUIZ_DEFAULT_PERPAGE', 30);
$id = required_param('id', PARAM_INT); // Course Module ID, or.
$showsession = optional_param('showsession', 0, PARAM_INT);
$questionid = optional_param('questionid', 0, PARAM_INT);
$nextquestion = optional_param('nextquestion', false, PARAM_TEXT);
$prevquestion = optional_param('prevquestion', false, PARAM_TEXT);
$allquestions = optional_param('allquestions', false, PARAM_TEXT);
$showusers = optional_param('showusers', false, PARAM_BOOL);
$page = optional_param('page', 0, PARAM_INT);
$perpage = optional_param('perpage', REALTIMEQUIZ_DEFAULT_PERPAGE, PARAM_INT);
$cm = get_coursemodule_from_id('realtimequiz', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
$realtimequiz = $DB->get_record('realtimequiz', ['id' => $cm->instance], '*', MUST_EXIST);
$url = new moodle_url('/mod/realtimequiz/responses.php', ['id' => $cm->id]);
if ($showsession) {
$url->param('showsession', $showsession);
}
if ($questionid) {
$url->param('questionid', $questionid);
}
if ($showusers) {
$url->param('showusers', $showusers);
}
if ($page) {
$url->param('page', $page);
}
if ($perpage != REALTIMEQUIZ_DEFAULT_PERPAGE) {
$url->param('perpage', $perpage);
}
$PAGE->set_url($url);
require_login($course->id, false, $cm);
$PAGE->set_pagelayout('incourse');
if ($CFG->version < 2011120100) {
$context = get_context_instance(CONTEXT_MODULE, $cm->id);
} else {
$context = context_module::instance($cm->id);
}
require_capability('mod/realtimequiz:seeresponses', $context);
if ($questionid != 0) {
if ($allquestions) {
$questionid = 0;
} else if ($nextquestion) {
$question = $DB->get_record('realtimequiz_question', ['id' => $questionid]);
$newquestion = $DB->get_record('realtimequiz_question', [
'quizid' => $question->quizid, 'questionnum' => ($question->questionnum + 1),
]);
if ($newquestion) {
$questionid = $newquestion->id;
} else {
$questionid = 0;
}
} else if ($prevquestion) {
$question = $DB->get_record('realtimequiz_question', ['id' => $questionid]);
$newquestion = $DB->get_record('realtimequiz_question', [
'quizid' => $question->quizid, 'questionnum' => ($question->questionnum - 1),
]);
if ($newquestion) {
$questionid = $newquestion->id;
} else {
$questionid = 0;
}
}
if ($questionid == 0) {
$redir = new moodle_url('/mod/realtimequiz/responses.php', ['id' => $cm->id, 'showsession' => $showsession]);
if ($showusers) {
$redir->param('showusers', 1);
}
redirect($redir);
}
}
// Log that the responses were viewed.
if ($CFG->version > 2014051200) { // Moodle 2.7+.
$params = [
'context' => $context,
'other' => [
'quizid' => $realtimequiz->id,
],
];
$event = \mod_realtimequiz\event\responses_viewed::create($params);
$event->add_record_snapshot('course', $course);
$event->add_record_snapshot('realtimequiz', $realtimequiz);
$event->trigger();
} else {
add_to_log($course->id, "realtimequiz", "seeresponses", "responses.php?id=$cm->id", "$realtimequiz->id");
}
// Print the page header.
$strrealtimequizzes = get_string("modulenameplural", "realtimequiz");
$strrealtimequiz = get_string("modulename", "realtimequiz");
$PAGE->set_title(strip_tags($course->shortname.': '.$strrealtimequiz.': '.format_string($realtimequiz->name, true)));
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
if ($CFG->branch < 400) {
echo $OUTPUT->heading(format_string($realtimequiz->name));
if (class_exists('\core_completion\activity_custom_completion')) {
// Render the activity information.
$modinfo = get_fast_modinfo($course);
$cminfo = $modinfo->get_cm($cm->id);
$completiondetails = \core_completion\cm_completion_details::get_instance($cminfo, $USER->id);
$activitydates = \core\activity_dates::get_dates_for_module($cminfo, $USER->id);
echo $OUTPUT->activity_information($cminfo, $completiondetails, $activitydates);
}
realtimequiz_view_tabs('responses', $cm->id, $context);
}
$select = "quizid = ? AND id IN (SELECT sessionid FROM {realtimequiz_submitted})";
$params = [$realtimequiz->id];
$sessions = $DB->get_records_select('realtimequiz_session', $select, $params, 'timestamp');
if (empty($sessions)) {
echo $OUTPUT->box_start('generalbox boxwidthwide boxaligncenter realtimequizbox');
print_string('nosessions', 'realtimequiz');
echo $OUTPUT->box_end();
echo $OUTPUT->footer();
die();
}
$sessions = array_reverse($sessions);
echo '<center><form method="get" action="'.$CFG->wwwroot.'/mod/realtimequiz/responses.php?id='.$cm->id.'">';
echo '<b>'.get_string('choosesession', 'realtimequiz').'</b>';
echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
echo '<input type="hidden" name="questionid" value="'.$questionid.'" />';
if ($showusers) {
echo '<input type="hidden" name="showusers" value="1" />';
}
echo '<select name="showsession" size="1" >';
if ($showsession == 0) {
echo '<option value="0" selected="selected">'.get_string('allsessions', 'realtimequiz').'</option>';
} else {
echo '<option value="0">'.get_string('allsessions', 'realtimequiz').'</option>';
}
foreach ($sessions as $session) {
$sesstext = '';
if ($session->name) {
$sesstext = $session->name.' '; // Session name (if it exits) + date.
}
$sesstext .= date('j/m/Y H:i', $session->timestamp);
if ($showsession == $session->id) {
echo "<option value='$session->id' selected='selected'>$sesstext</option>";
} else {
echo "<option value='$session->id'>$sesstext</option>";
}
}
echo '</select> <input type="submit" value="'.get_string('showsession', 'realtimequiz').'" /></form></center>';
if ($CFG->version < 2013111800) {
$tickimg = '<img src="'.$OUTPUT->pix_url('i/tick_green_big').'" alt="'.get_string('tick', 'realtimequiz').'" />';
$crossimg = '<img src="'.$OUTPUT->pix_url('i/cross_red_big').'" alt="'.get_string('cross', 'realtimequiz').'" />';
} else {
$tickimg = $OUTPUT->pix_icon('i/grade_correct', get_string('tick', 'realtimequiz'));
$crossimg = $OUTPUT->pix_icon('i/grade_incorrect', get_string('cross', 'realtimequiz'));
}
if ($questionid == 0) { // Show all of the questions.
if ($CFG->version < 2013111800) {
$isff = check_browser_version('Gecko');
} else {
$isff = core_useragent::check_browser_version('Gecko');
}
if ($isff) {
$blankcolspan = 'colspan="999" ';
} else {
$blankcolspan = '';
}
$questions = $DB->get_records('realtimequiz_question', ['quizid' => $realtimequiz->id], 'questionnum');
$linkurl = new moodle_url('/mod/realtimequiz/responses.php', ['id' => $cm->id, 'showsession' => $showsession]);
if ($showusers) {
$linkurl->param('showusers', 1);
if ($CFG->version < 2013111800) {
$usernames = 'u.firstname, u.lastname';
} else if (class_exists('\core_user\fields')) {
$namesql = \core_user\fields::for_name()->get_sql('u', true);
} else {
$namesql = (object)[
'selects' => ','.get_all_user_name_fields(true, 'u'),
'joins' => '',
'params' => [],
'mappings' => [],
];
}
$sql = "SELECT DISTINCT u.id {$namesql->selects}
FROM {user} u
JOIN {realtimequiz_submitted} s ON s.userid = u.id
JOIN {realtimequiz_question} q ON s.questionid = q.id
{$namesql->joins}
WHERE q.quizid = :quizid";
$params = array_merge(['quizid' => $realtimequiz->id], $namesql->params);
if ($showsession) {
$sql .= ' AND s.sessionid = :sessionid';
$params['sessionid'] = $showsession;
}
$sql .= ' ORDER BY u.firstname ASC';
$users = $DB->get_records_sql($sql, $params);
if ($page * $perpage > count($users)) {
$page = 0;
}
$url = new moodle_url($PAGE->url);
$url->remove_params(['page']);
echo $OUTPUT->paging_bar(count($users), $page, $perpage, $url, 'page');
$users = array_slice($users, $page * $perpage, $perpage, true);
foreach ($users as $user) {
$user->fullname = fullname($user);
$user->score = 0;
}
$strtotals = get_string('totals', 'realtimequiz');
[$usql, $uparams] = $DB->get_in_or_equal(array_keys($users), SQL_PARAMS_NAMED);
$nousersurl = new moodle_url($PAGE->url);
$nousersurl->remove_params(['showusers']);
$userlink = html_writer::link($nousersurl, get_string('hideusers', 'realtimequiz'));
} else {
$usersurl = new moodle_url($PAGE->url);
$usersurl->param('showusers', 1);
$userlink = html_writer::link($usersurl, get_string('showusers', 'realtimequiz'));
}
echo html_writer::tag('p', $userlink);
echo '<br /><table border="1" style="border-style: none;">';
if (!empty($questions)) {
foreach ($questions as $question) {
echo '<tr class="realtimequiz_report_question"><td width="30%">'.$question->questionnum.'</td>';
$answers = $DB->get_records('realtimequiz_answer', ['questionid' => $question->id], 'id');
if (!empty($answers)) {
$iscorrectanswer = false;
foreach ($answers as $answer) {
if ($answer->correct == 1) {
echo '<td width="10%" class="realtimequiz_report_question_correct"><b>'.s($answer->answertext).'</b></td>';
$iscorrectanswer = true;
} else {
echo '<td width="10%">'.s($answer->answertext).'</td>';
}
}
echo '<td width="10%">';
if ($showusers) {
echo $strtotals;
} else {
echo ' ';
}
echo '</td>';
$questiontext = format_string($question->questiontext);
if (empty($questiontext)) {
$questiontext = get_string('question', 'mod_realtimequiz').$question->questionnum;
}
echo '</tr><tr class="realtimequiz_report_answer"><td><a href="'.
$linkurl->out(true, ['questionid' => $question->id]).'">'.format_string($questiontext).'</a></td>';
$total = 0;
$gotanswerright = 0;
foreach ($answers as $answer) {
if ($showsession == 0) {
$count = $DB->count_records('realtimequiz_submitted', ['answerid' => $answer->id]);
} else {
$count = $DB->count_records('realtimequiz_submitted', [
'answerid' => $answer->id, 'sessionid' => $showsession,
]);
}
$total += $count;
if ($iscorrectanswer) {
if ($answer->correct == 1) {
echo '<td align="center" class="realtimequiz_report_answer_correct" ><b>'.$count.'</b> ';
if (!$showusers) {
echo $tickimg;
}
echo '</td>';
$gotanswerright = $count;
} else {
echo '<td align="center">'.$count.' ';
if (!$showusers) {
echo $crossimg;
}
echo '</td>';
}
} else {
echo '<td align="center">'.$count.'</td>';
}
}
}
echo '<td width="10%"><center>';
if ($total != 0) {
echo @round($gotanswerright / ($total / 100), 2).'%';
} else {
echo '0%';
}
echo '</td></center>';
echo '</tr>';
if ($showusers) {
$select = "questionid = :questionid AND userid $usql";
$params = ['questionid' => $question->id];
$params = array_merge($params, $uparams);
if ($showsession) {
$select .= ' AND sessionid = :sessionid';
$params['sessionid'] = $showsession;
}
$submitted = $DB->get_records_select('realtimequiz_submitted', $select, $params, 'userid');
if (!$submitted) {
echo '<tr><td colspan="99">'.get_string('noanswers', 'realtimequiz').'</td></tr>';
} else {
$sub = 0;
foreach ($submitted as $submission) {
// List each student name for each question.
$userid = $submission->userid;
$fullname = $users[$userid]->fullname;
echo '<tr><td>'.$fullname.'</td>';
foreach ($answers as $answer) {
echo '<td align="center">';
if ($answer->id == $submission->answerid) {
if ($answer->correct == 1) {
echo $tickimg;
$users[$userid]->score += 1;
} else {
echo $crossimg;
}
} else {
echo ' ';
}
echo '</td>';
}
// This section shows the running score of each student.
echo '<td width="10%"><center>';
echo $users[$userid]->score;
echo '</center></td>';
echo '</tr>';
}
}
}
echo '</tr>';
// Draw blank line between questions results.
echo '<tr style="border-style: none;"><td style="border-style: none;" '.$blankcolspan.' > </td></tr>';
}
}
echo '</table>'; // End of view responses table.
if ($showusers) {
$questioncount = count($questions);
$usercount = count($users);
$classtotal = 0;
foreach ($users as $user) {
$user->average = @round($user->score * 100.0 / $questioncount, 2);
$classtotal += $user->score;
}
$classaverage = @round($classtotal * 100.0 / ($usercount * $questioncount), 2);
echo '<p><center><table border="1">';
echo '<tr><td class="realtimequiz_report_question_correct"><center>';
echo '<h2>'.get_string('scorestable', 'realtimequiz').'</h2>';
echo '</center></td></tr>';
$x = 1;
foreach ($users as $user) {
echo '<tr><td>';
echo '<pre><span class="inner-pre" style="font-size: 15px">';
if ($user->score >= $classaverage) {
echo sprintf('<font color="green">%3u. <b>%24s</b> scored %2u/%2u = <b>%.2u%%</b></font>',
$x, $user->fullname, $user->score, $questioncount, $user->average);
} else {
echo sprintf('%3u. %24s scored %2u/%2u = %.2u%%',
$x, $user->fullname, $user->score, $questioncount, $user->average);
echo '</span></pre>';
echo '<br>';
echo '</td></tr>';
}
$x++;
}
echo '</table></center>';
echo '<br><p><p>';
echo '<h2><center><b>Average class score is '.$classaverage.'%</b></center></h2>';
}
} else { // Show a single question.
echo $OUTPUT->box_start('generalbox boxwidthwide boxaligncenter realtimequizplainbox');
$question = $DB->get_record('realtimequiz_question', ['id' => $questionid]);
echo '<h2>'.get_string('question', 'realtimequiz').$question->questionnum.'</h2>';
$questiontext = file_rewrite_pluginfile_urls($question->questiontext, 'pluginfile.php', $context->id,
'mod_realtimequiz', 'question', $question->id);
$questiontext = format_text($questiontext, $question->questiontextformat);
echo '<p>'.$questiontext.'</p><br />';
echo '<table border="1" class="realtimequiz_report_answer"><tr class="realtimequiz_report_question">'.
'<td width="30%"> </td>';
$answers = $DB->get_records('realtimequiz_answer', ['questionid' => $questionid], 'id');
if (!empty($answers)) {
foreach ($answers as $answer) {
if ($answer->correct == 1) {
echo '<td width="10%"><b>'.s($answer->answertext).'</b></td>';
} else {
echo '<td width="10%">'.s($answer->answertext).'</td>';
}
}
}
echo '</tr>';
if ($showsession == 0) {
$submitted = $DB->get_records('realtimequiz_submitted', ['questionid' => $questionid], 'userid');
} else {
$submitted = $DB->get_records('realtimequiz_submitted', [
'questionid' => $questionid, 'sessionid' => $showsession,
], 'userid');
}
if (empty($submitted)) {
echo '<tr><td colspan="99">'.get_string('noanswers', 'realtimequiz').'</td></tr>';
} else {
foreach ($submitted as $submission) {
$user = $DB->get_record('user', ['id' => $submission->userid]);
$fullname = fullname($user, has_capability('moodle/site:viewfullnames', $context));
echo '<tr><td>'.$fullname.'</td>';
$iscorrectanswer = false;
foreach ($answers as $answer) {
if ($answer->correct == 1) {
$iscorrectanswer = true;
break;
}
}
foreach ($answers as $answer) {
echo '<td align="center">';
if ($answer->id == $submission->answerid) {
if (!$iscorrectanswer || $answer->correct == 1) {
echo $tickimg;
} else {
echo $crossimg;
}
} else {
echo ' ';
}
echo '</td>';
}
echo '</tr>';
}
}
echo '</table>';
$thisurl = new moodle_url('/mod/realtimequiz/responses.php');
echo '<br /><form action="'.$thisurl.'" method="get">';
echo '<input type="hidden" name="id" value="'.$cm->id.'" />';
echo '<input type="hidden" name="showsession" value="'.$showsession.'" />';
echo '<input type="hidden" name="questionid" value="'.$questionid.'" />';
if ($showusers) {
echo '<input type="hidden" name="showusers" value="1" />';
}
echo '<input type="submit" name="prevquestion" value="'.get_string('prevquestion', 'realtimequiz').'" /> ';
echo '<input type="submit" name="allquestions" value="'.get_string('allquestions', 'realtimequiz').'" /> ';
echo '<input type="submit" name="nextquestion" value="'.get_string('nextquestion', 'realtimequiz').'" />';
echo '</form>';
echo $OUTPUT->box_end();
}
echo $OUTPUT->footer();