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participants.php
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participants.php
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<?php
// This file is part of mod_offlinequiz for 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/>.
/**
* Defines the interface for participant lists
*
* @package mod
* @subpackage offlinequiz
* @author Juergen Zimmer <zimmerj7@univie.ac.at>
* @copyright 2015 Academic Moodle Cooperation {@link http://www.academic-moodle-cooperation.org}
* @since Moodle 2.2+
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(__FILE__) . '/../../config.php');
require_once($CFG->dirroot . '/mod/offlinequiz/locallib.php');
require_once($CFG->dirroot . '/mod/offlinequiz/pdflib.php');
require_once($CFG->dirroot . '/mod/offlinequiz/evallib.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_listform.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_uploadform.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_report.php');
require_once($CFG->dirroot . '/mod/offlinequiz/participants/participants_scanner.php');
define("MAX_USERS_PER_PAGE", 5000);
$id = optional_param('id', 0, PARAM_INT); // Course Module ID.
$q = optional_param('q', 0, PARAM_INT); // Or offlinequiz ID.
$forcenew = optional_param('forcenew', 0, PARAM_INT);
$mode = optional_param('mode', 'editparticipants', PARAM_ALPHA);
$action = optional_param('action', '', PARAM_ALPHA);
$download = optional_param('download', false, PARAM_ALPHA);
$letterstr = 'ABCDEFGHIJKL';
if ($id) {
if (!$cm = get_coursemodule_from_id('offlinequiz', $id)) {
print_error("There is no coursemodule with id $id");
}
if (!$course = $DB->get_record("course", array('id' => $cm->course))) {
print_error("Course is misconfigured");
}
if (!$offlinequiz = $DB->get_record("offlinequiz", array('id' => $cm->instance))) {
print_error("The offlinequiz with id $cm->instance corresponding to this coursemodule $id is missing");
}
} else {
if (!$offlinequiz = $DB->get_record("offlinequiz", array('id' => $q))) {
print_error("There is no offlinequiz with id $q");
}
if (!$course = $DB->get_record("course", array('id' => $offlinequiz->course))) {
print_error("The course with id $offlinequiz->course that the offlinequiz with id $q belongs to is missing");
}
if (!$cm = get_coursemodule_from_instance('offlinequiz', $offlinequiz->id, $course->id)) {
print_error("The course module for the offlinequiz with id $q is missing");
}
}
require_login($course->id, false, $cm);
if (!offlinequiz_partlist_created($offlinequiz) and $mode != 'editlists') {
$mode = 'editparticipants';
}
$context = context_module::instance($cm->id);
$coursecontext = context_course::instance($cm->course);
$systemcontext = context_system::instance();
// We redirect students to info.
if (!has_capability('mod/offlinequiz:createofflinequiz', $context)) {
redirect('view.php?q='.$offlinequiz->id);
}
$strpreview = get_string('participantslist', 'offlinequiz');
$strofflinequizzes = get_string("modulenameplural", "offlinequiz");
$thispageurl = new moodle_url('/mod/offlinequiz/participants.php',
array('id' => $id, 'q' => $q, 'mode' => $mode, 'forcenew' => $forcenew));
$PAGE->set_url($thispageurl);
$PAGE->set_pagelayout('admin');
$node = $PAGE->settingsnav->find('mod_offlinequiz_participants', navigation_node::TYPE_SETTING);
if ($node) {
$node->make_active();
}
$pagetitle = get_string('editparticipants', 'offlinequiz');
$PAGE->set_title($pagetitle);
$PAGE->set_heading($course->fullname);
offlinequiz_load_useridentification();
$offlinequizconfig = get_config('offlinequiz');
switch($mode) {
case 'editlists':
// Only print headers and tabs if not asked to download data.
if (!$download && $action != 'savelist') {
echo $OUTPUT->header();
// Print the tabs.
$currenttab = 'participants';
include('tabs.php');
echo $OUTPUT->heading(format_string($offlinequiz->name));
}
switch ($action) {
case 'edit':
// Print the heading.
echo $OUTPUT->heading_with_help(get_string('editlists', 'offlinequiz'), 'participants', 'offlinequiz');
$list = $DB->get_record('offlinequiz_p_lists', array('id' => required_param('listid', PARAM_INT)));
$list->listid = $list->id;
$myform = new offlinequiz_participantslistform($offlinequiz->id, get_string('editlist', 'offlinequiz'));
$myform->set_data($list);
break;
case 'delete':
// Print the heading.
echo $OUTPUT->heading_with_help(get_string('editlists', 'offlinequiz'), 'participants', 'offlinequiz');
if (confirm_sesskey()) {
if ($list = $DB->get_record('offlinequiz_p_lists', array('id' => required_param('listid', PARAM_INT)))) {
$DB->delete_records('offlinequiz_participants', array('listid' => $list->id));
$DB->delete_records('offlinequiz_p_lists', array('id' => $list->id));
}
}
$myform = new offlinequiz_participantslistform($offlinequiz->id, get_string('addlist', 'offlinequiz'));
break;
case 'savelist':
$myform = new offlinequiz_participantslistform($offlinequiz->id, get_string('addlist', 'offlinequiz'));
if ($data = $myform->get_data()) {
if (empty($data->listid)) {
$record = new stdClass();
$record->offlinequizid = $offlinequiz->id;
$record->name = $data->name;
$sql = "SELECT max(number) as maxlist
FROM {offlinequiz_p_lists}
WHERE offlinequizid = :offlinequizid";
$last = $DB->get_record_sql($sql, array('offlinequizid' => $offlinequiz->id));
$record->number = $last->maxlist + 1;
$DB->insert_record('offlinequiz_p_lists', $record);
} else {
$DB->set_field('offlinequiz_p_lists', 'name', $data->name, array('id' => $data->listid));
}
}
redirect('participants.php?mode=editlists&q='.$offlinequiz->id, get_string('changessaved'));
break;
default:
// Print the heading.
echo $OUTPUT->heading_with_help(get_string('editlists', 'offlinequiz'), 'participants', 'offlinequiz');
$myform = new offlinequiz_participantslistform($offlinequiz->id, get_string('addlist', 'offlinequiz'));
break;
}
echo $OUTPUT->box_start('boxaligncenter generalbox boxwidthnormal');
$lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id));
echo '<ul>';
foreach ($lists as $list) {
$sql = "SELECT COUNT(*)
FROM {offlinequiz_participants} p, {offlinequiz_p_lists} pl
WHERE p.listid = pl.id
AND pl.offlinequizid = :offlinequizid
AND p.listid = :listid";
$params = array('offlinequizid' => $offlinequiz->id, 'listid' => $list->id);
$numusers = $DB->count_records_sql($sql, $params);
echo '<li>';
echo '<b>'.$list->name." ($numusers)".'</b>';
$streditlist = get_string('editthislist', 'offlinequiz');
$strdeletelist = get_string('deletethislist', 'offlinequiz');
if (count($lists) > 1) {
echo ' <a href="participants.php?mode=editlists&action=delete&q=' . $offlinequiz->id .
'&listid=' . $list->id . '&sesskey=' . sesskey() . '" title="' . $strdeletelist .
'" onClick="return confirm(\''.addslashes(get_string('deletelistcheck', 'offlinequiz')).'\');">
<img src="' . $CFG->wwwroot .'/pix/t/delete.gif" alt="'.$strdeletelist.'"></a>';
}
echo ' <a href="participants.php?mode=editlists&action=edit&q=' . $offlinequiz->id .
'&listid=' . $list->id . '" title="' . $streditlist . '"><img src="' . $CFG->wwwroot .
'/pix/t/edit.gif" alt="' . $streditlist . '"></a>';
echo '</li>';
}
echo '</ul>';
echo $OUTPUT->box_end();
echo $OUTPUT->box_start('boxaligncenter generalbox boxwidthnormal');
$myform->display();
echo $OUTPUT->box_end();
break;
case 'editparticipants':
// Print the heading.
$strsearch = get_string('search');
$strshowall = get_string('showall');
$searchtext = optional_param('searchtext', '', PARAM_RAW);
$listid = optional_param('listid', 0, PARAM_INT);
$group = optional_param('group', 0, PARAM_INT);
$addselect = optional_param_array('addselect', array(), PARAM_INT);
$removeselect = optional_param('removeselect', '', PARAM_RAW);
if (!$list = $DB->get_record('offlinequiz_p_lists', array('id' => $listid))) {
if (!$lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id), ' number ASC ')) {
$url = new moodle_url($CFG->wwwroot . '/mod/offlinequiz/participants.php',
array('q' => $offlinequiz->id, 'mode' => 'editlists'));
redirect($url);
} else {
$list = array_pop($lists);
}
}
// Only print headers and tabs if not asked to download data.
if (!$download) {
echo $OUTPUT->header();
// Print the tabs.
$currenttab = 'participants';
include('tabs.php');
echo $OUTPUT->heading(format_string($offlinequiz->name));
}
echo $OUTPUT->heading_with_help(get_string('participantsinlists', 'offlinequiz'), 'participants', 'offlinequiz');
if (!empty($addselect) && confirm_sesskey()) {
$record = new stdClass();
$record->listid = $list->id;
$record->checked = 0;
foreach ($addselect as $userid) {
$record->userid = $userid;
if (!$DB->get_record('offlinequiz_participants',
array('listid' => $record->listid, 'userid' => $record->userid))) {
$DB->insert_record('offlinequiz_participants', $record);
}
}
}
if (!empty($removeselect) && confirm_sesskey()) {
list($dsql, $dparams) = $DB->get_in_or_equal($removeselect, SQL_PARAMS_NAMED, 'remove');
$sql = "SELECT p.*
FROM {offlinequiz_participants} p,
{offlinequiz_p_lists} pl
WHERE p.listid = pl.id
AND p.userid $dsql
AND pl.offlinequizid = :offlinequizid
AND p.listid = :listid";
$dparams['offlinequizid'] = $offlinequiz->id;
$dparams['listid'] = $list->id;
$todelete = $DB->get_records_sql($sql, $dparams);
foreach ($todelete as $deleteuser) {
$DB->delete_records('offlinequiz_participants',
array('listid' => $list->id,
'userid' => $deleteuser->userid));
}
}
$groups = groups_get_all_groups($course->id);
$groupoptions = '';
if (!empty($groups)) {
foreach ($groups as $item) {
$groupoptions .= '<option value="' . $item->id . '"';
if ($group == $item->id) {
$groupoptions .= ' selected="selected"';
}
$groupoptions .= '>'.$item->name.'</option>';
}
}
$listoptions = '';
if ($lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id), 'name ASC')) {
foreach ($lists as $item) {
$listoptions .= '<option value="' . $item->id . '"';
if ($list->id == $item->id) {
$listoptions .= ' selected="selected"';
}
$listoptions .= '>'.$item->name.'</option>';
}
}
// First get roleids for students from leagcy.
if (!$roles = get_roles_with_capability('mod/offlinequiz:attempt', CAP_ALLOW, $systemcontext)) {
print_error("No roles with capability 'mod/offlinequiz:attempt' defined in system context");
}
$roleids = array();
foreach ($roles as $role) {
$roleids[] = $role->id;
}
$rolelist = implode(',', $roleids);
list($csql, $cparams) = $DB->get_in_or_equal($coursecontext->get_parent_context_ids(true), SQL_PARAMS_NAMED, 'ctx');
$membersoptions = '';
list($rsql, $rparams) = $DB->get_in_or_equal($roleids, SQL_PARAMS_NAMED, 'role');
$params = array_merge($cparams, $rparams);
$sql = "SELECT DISTINCT u.id, u." . $offlinequizconfig->ID_field . ", u.firstname, u.lastname,
u.alternatename, u.middlename, u.firstnamephonetic, u.lastnamephonetic
FROM {user} u, {offlinequiz_participants} p, {role_assignments} ra, {offlinequiz_p_lists} pl
WHERE ra.userid = u.id
AND p.listid = :listid
AND p.listid = pl.id
AND pl.offlinequizid = :offlinequizid
AND p.userid = u.id
AND ra.roleid $rsql AND ra.contextid $csql
ORDER BY u.lastname, u.firstname";
$params['offlinequizid'] = $offlinequiz->id;
$params['listid'] = $list->id;
$memberids = array();
if ($members = $DB->get_records_sql($sql, $params)) {
$memberscount = count($members);
foreach ($members as $member) {
$membersoptions .= '<option value="' . $member->id.'">' . fullname($member) .
' (' . $member->{$offlinequizconfig->ID_field} . ')</option>';
$memberids[] = $member->id;
}
} else {
$memberscount = 0;
}
$potentialmembersoptions = '';
$memberlist = implode(',', $memberids);
$sql = "SELECT u.id, u." . $offlinequizconfig->ID_field . ", u.firstname, u.lastname,
u.alternatename, u.middlename, u.firstnamephonetic, u.lastnamephonetic
FROM {user} u, {role_assignments} ra
WHERE ra.roleid $rsql
AND ra.userid = u.id
AND ra.contextid $csql";
if (!empty($memberlist)) {
$sql .= " AND u.id NOT IN ($memberlist)";
}
if (!empty($searchtext)) {
$searchtext = $DB->sql_like_escape(trim($searchtext));
$likelastname = $DB->sql_like('u.lastname', ':searchtext1');
$likefirstname = $DB->sql_like('u.firstname', ':searchtext2');
$likeuserkey = $DB->sql_like('u.' . $offlinequizconfig->ID_field, ':searchtext3');
$sql .= " AND (" .
$likelastname . ' OR ' .
$likefirstname . ' OR ' .
$likeuserkey .
")";
$rparams['searchtext1'] = '%' . $searchtext . '%';
$rparams['searchtext2'] = '%' . $searchtext . '%';
$rparams['searchtext3'] = '%' . $searchtext . '%';
}
$sql .= " ORDER BY u.lastname, u.firstname";
if (!empty($group)) {
$groupmembers = groups_get_members($group);
}
$potentialmemberscount = 0;
$params = array_merge($rparams, $cparams);
if ($potentialmembers = $DB->get_records_sql($sql, $params)) {
foreach ($potentialmembers as $member) {
if (empty($members[$member->id]) and (empty($group) or !empty($groupmembers[$member->id]))) {
$potentialmembersoptions .= '<option value="' . $member->id . '">' . fullname($member) .
' (' . $member->{$offlinequizconfig->ID_field} . ')</option>';
$potentialmemberscount++;
}
}
}
include('participants/members.html');
break;
case 'attendances':
// Only print headers and tabs if not asked to download data.
if (!$download) {
echo $OUTPUT->header();
// Print the tabs.
$currenttab = 'participants';
include('tabs.php');
echo $OUTPUT->heading(format_string($offlinequiz->name));
echo $OUTPUT->heading_with_help(get_string('attendances', 'offlinequiz'), 'participants', 'offlinequiz');
if (!$lists = $DB->get_records('offlinequiz_p_lists', array('offlinequizid' => $offlinequiz->id), 'name ASC')) {
error('No list created for offlinequiz');
}
$options = array('0' => get_string('alllists', 'offlinequiz'));
foreach ($lists as $option) {
$options[$option->id] = $option->name;
}
$listid = optional_param('listid', 0, PARAM_INT);
echo '<div align="center">' . get_string('participantslist', 'offlinequiz') . ': ';
$url = new moodle_url($CFG->wwwroot . '/mod/offlinequiz/participants.php',
array('q' => $offlinequiz->id, 'mode' => 'attendances'));
echo $OUTPUT->single_select($url, 'listid', $options, $listid);
echo '<br /> <br /></div>';
}
if ($action == 'uncheck' and $participantids = optional_param_array('participantid', array(), PARAM_INT)) {
foreach ($participantids as $participantid) {
if ($participantid) {
$DB->set_field('offlinequiz_participants', 'checked', 0, array('id' => $participantid));
}
// Log this event.
$userid = $DB->get_field('offlinequiz_participants', 'userid', array('id' => $participantid));
$params = array (
'objectid' => $userid,
'context' => context_module::instance( $cm->id ),
'other' => array (
'mode' => 'attendances',
'offlinequizid' => $offlinequiz->id,
'type' => 'absent from'
)
);
$event = \mod_offlinequiz\event\participant_manually_marked::create($params);
$event->trigger();
}
}
if ($action == 'check' and $participantids = optional_param_array('participantid', array(), PARAM_INT)) {
foreach ($participantids as $participantid) {
if ($participantid) {
$DB->set_field('offlinequiz_participants', 'checked', 1, array('id' => $participantid));
}
// Log this event.
$userid = $DB->get_field('offlinequiz_participants', 'userid', array('id' => $participantid));
$params = array (
'objectid' => $userid,
'context' => context_module::instance( $cm->id ),
'other' => array (
'mode' => 'attendances',
'offlinequizid' => $offlinequiz->id,
'type' => 'present at'
)
);
$event = \mod_offlinequiz\event\participant_manually_marked::create($params);
$event->trigger();
}
}
// We redirect if no list has been created.
if (!offlinequiz_partlist_created($offlinequiz)) {
redirect('participants.php?q='.$offlinequiz->id, get_string('createlistfirst', 'offlinequiz'));
} else {
if ($download) {
offlinequiz_download_partlist($offlinequiz, $download, $coursecontext, $systemcontext);
} else {
offlinequiz_print_partlist($offlinequiz, $coursecontext, $systemcontext);
}
}
break;
case 'createpdfs':
// We redirect if no list has been created.
if (!offlinequiz_partlist_created($offlinequiz)) {
redirect('participants.php?q='.$offlinequiz->id, get_string('createlistfirst', 'offlinequiz'));
}
// Only print headers and tabs if not asked to download data.
if (!$download) {
echo $OUTPUT->header();
// Print the tabs.
$currenttab = 'participants';
include('tabs.php');
echo $OUTPUT->heading(format_string($offlinequiz->name));
echo $OUTPUT->heading_with_help(get_string('createpdfsparticipants', 'offlinequiz'), 'participants', 'offlinequiz');
}
// Show update button.
?>
<div class="singlebutton" align="center">
<form action="<?php echo "$CFG->wwwroot/mod/offlinequiz/participants.php" ?>" method="post">
<div>
<input type="hidden" name="q" value="<?php echo $offlinequiz->id ?>" />
<input type="hidden" name="forcenew" value="1" />
<input type="hidden" name="mode" value="createpdfs" />
<input type="submit" value="<?php echo get_string('deleteupdatepdf', 'offlinequiz') ?>"
onClick='return confirm("<?php echo get_string('realydeleteupdatepdf', 'offlinequiz') ?>")' />
</div>
</form>
<br> <br>
</div>
<?php
echo $OUTPUT->box_start('boxaligncenter generalbox boxwidthnormal');
$sql = "SELECT id, name, number
FROM {offlinequiz_p_lists}
WHERE offlinequizid = :offlinequizid
ORDER BY name ASC";
$lists = $DB->get_records_sql($sql, array('offlinequizid' => $offlinequiz->id));
foreach ($lists as $list) {
$fs = get_file_storage();
// Delete existing pdf if forcenew.
if ($forcenew && property_exists($list, 'filename') && $list->filename
&& $file = $fs->get_file($context->id, 'mod_offlinequiz', 'pdfs', 0, '/', $list->filename)) {
$file->delete();
$list->filename = null;
}
$pdffile = null;
// Create PDF file if necessary.
if (!property_exists($list, 'filename') || !$list->filename ||
!$pdffile = $fs->get_file($context->id, 'mod_offlinequiz', 'pdfs', 0, '/', $list->filename)) {
$pdffile = offlinequiz_create_pdf_participants($offlinequiz, $course->id, $list, $context);
if (!empty($pdffile)) {
$list->filename = $pdffile->get_filename();
}
$DB->update_record('offlinequiz_p_lists', $list);
}
// Show downloadlink.
if ($pdffile) {
$url = "$CFG->wwwroot/pluginfile.php/" . $pdffile->get_contextid() . '/' . $pdffile->get_component() . '/' .
$pdffile->get_filearea() . '/' . $pdffile->get_itemid() . '/' . $pdffile->get_filename() .
'?forcedownload=1';
echo $OUTPUT->action_link($url, trim(format_text(get_string('downloadpartpdf', 'offlinequiz', $list->name))));
$list->filename = $pdffile->get_filename();
$DB->update_record('offlinequiz_p_lists', $list);
} else {
echo $OUTPUT->notification(format_text(get_string('createpartpdferror', 'offlinequiz', $list->name)));
}
echo '<br /> <br />';
}
echo $OUTPUT->box_end();
break;
case 'upload':
// We redirect if no list created.
if (!offlinequiz_partlist_created($offlinequiz)) {
redirect('participants.php?q='.$offlinequiz->id, get_string('createlistfirst', 'offlinequiz'));
}
$lists = $DB->get_records_sql("
SELECT *
FROM {offlinequiz_p_lists}
WHERE offlinequizid = :offlinequizid
ORDER BY name ASC",
array('offlinequizid' => $offlinequiz->id));
$fs = get_file_storage();
// We redirect if all pdf files are missing.
$redirect = true;
foreach ($lists as $list) {
if ($list->filename && $file = $fs->get_file($context->id, 'mod_offlinequiz', 'pdfs', 0, '/', $list->filename)) {
$redirect = false;
}
}
if ($redirect) {
redirect('participants.php?mode=createpdfs&q=' . $offlinequiz->id, get_string('createpdffirst', 'offlinequiz'));
}
// Only print headers and tabs if not asked to download data.
if (!$download) {
echo $OUTPUT->header();
// Print the tabs.
$currenttab = 'participants';
include('tabs.php');
echo $OUTPUT->heading(format_string($offlinequiz->name));
echo $OUTPUT->heading_with_help(get_string('uploadpart', 'offlinequiz'), 'partimportnew', 'offlinequiz');
}
$report = new participants_report();
$importform = new offlinequiz_participants_upload_form($thispageurl);
$first = optional_param('first', 0, PARAM_INT); // Index of the last imported student.
$numimports = optional_param('numimports', 0, PARAM_INT);
$tempdir = optional_param('tempdir', 0, PARAM_PATH);
if ($newfile = optional_param('newfile', '', PARAM_INT)) {
if ($fromform = $importform->get_data()) {
@raise_memory_limit('128M');
$offlinequizconfig->papergray = $offlinequiz->papergray;
$fileisgood = false;
// Work out if this is an uploaded file
// or one from the filesarea.
$realfilename = $importform->get_new_filename('newfile');
// Create a unique temp dir.
srand(microtime() * 1000000);
$unique = str_replace('.', '', microtime(true) . rand(0, 100000));
$tempdir = "{$CFG->tempdir}/offlinequiz/import/$unique";
check_dir_exists($tempdir, true, true);
$importfile = $tempdir . '/' . $realfilename;
if (!$result = $importform->save_file('newfile', $importfile, true)) {
throw new moodle_exception('uploadproblem');
}
$files = array();
$mimetype = mimeinfo('type', $importfile);
if ($mimetype == 'application/zip') {
if (unzip_file($importfile)) {
unlink($importfile);
} else {
echo $OUTPUT->notification(get_string('couldnotunzip', 'offlinequiz_rimport', $realfilename),
'notifyproblem');
}
} else if (preg_match('/^image/' , $mimetype)) {
$files[] = $realfilename;
}
}
if (empty($files)) {
$files = get_directory_list($tempdir);
}
$numpages = count($files);
$last = $first + OFFLINEQUIZ_IMPORT_NUMUSERS - 1;
if ($last > $numpages - 1) {
$last = $numpages - 1;
}
$a = new stdClass();
$a->from = $first + 1;
$a->to = $last + 1;
$a->total = $numpages;
echo $OUTPUT->box_start();
print_string('importfromto', 'offlinequiz', $a);
echo "<br />";
echo $OUTPUT->box_end();
echo $OUTPUT->box_start();
$offlinequizconfig->papergray = $offlinequiz->papergray;
for ($j = $first; $j <= $last; $j++) {
$file = $files[$j];
$filename = $tempdir . '/' . $file;
set_time_limit(120);
$scanner = new offlinequiz_participants_scanner($offlinequiz, $context->id, 0, 0);
if ($scannedpage = $scanner->load_image($filename)) {
if ($scannedpage->status == 'ok') {
list($scanner, $scannedpage) =
offlinequiz_check_scanned_participants_page($offlinequiz, $scanner, $scannedpage,
$USER->id, $coursecontext, true);
}
if ($scannedpage->status == 'ok') {
$scannedpage =
offlinequiz_process_scanned_participants_page($offlinequiz, $scanner, $scannedpage,
$USER->id, $coursecontext);
}
if ($scannedpage->status == 'ok') {
$choicesdata = $DB->get_records('offlinequiz_p_choices', array('scannedppageid' => $scannedpage->id));
$scannedpage = $scannedpage =
offlinequiz_submit_scanned_participants_page($offlinequiz, $scannedpage, $choicesdata);
if ($scannedpage->status == 'submitted') {
echo get_string('pagenumberimported', 'offlinequiz', $j)."<br /><br />";
}
}
} else {
if ($scanner->ontop) {
$scannedpage->status = 'error';
$scannedpage->error = 'upsidedown';
}
}
}
echo $OUTPUT->box_end();
if ($last == $numpages - 1 or $numpages == 0) {
if ($numimports) {
$OUTPUT->notification(get_string('numpages', 'offlinequiz', $numimports), 'notifysuccess');
} else {
$OUTPUT->notification(get_string('nopages', 'offlinequiz'));
}
remove_dir($tempdir);
echo $OUTPUT->continue_button("$CFG->wwwroot/mod/offlinequiz/participants.php?q=$offlinequiz->id&mode=upload");
$OUTPUT->footer();
die;
} else {
$first = $last + 1;
redirect("$CFG->wwwroot/mod/offlinequiz/participants.php?q=$offlinequiz->id&mode=upload&" .
"action=upload&tempdir=$tempdir&first=$first&numimports=$numimports&sesskey=".sesskey());
}
$importform->display();
} else if ($action == 'delete') {
// Some pages need to be deleted.
$pageids = optional_param_array('pageid', array(), PARAM_INT);
foreach ($pageids as $pageid) {
if ($pageid && $todelete = $DB->get_record('offlinequiz_scanned_p_pages', array('id' => $pageid))) {
$DB->delete_records('offlinequiz_scanned_p_pages', array('id' => $pageid));
$DB->delete_records('offlinequiz_p_choices', array('scannedppageid' => $pageid));
}
}
$report->error_report($offlinequiz, $course->id);
$importform->display();
} else {
$report->error_report($offlinequiz, $course->id);
$importform->display();
}
break;
}
// Finish the page.
if (!$download) {
echo $OUTPUT->footer();
}