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overview.php
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overview.php
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<?php
// This file is part of Moodle - https://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 <https://www.gnu.org/licenses/>.
/**
* Prints an overview of all certificates a student has received.
*
* @package mod_ilddigitalcert
* @copyright 2022, Pascal Hürten <[email protected]>
* @license https://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(__DIR__ . '/../../config.php');
require_once('locallib.php');
$id = optional_param('id', null, PARAM_INT);
$certjson = optional_param('cert_json', null, PARAM_NOTAGS);
$download = optional_param('download', '', PARAM_ALPHA);
$templatedata = array();
if ($id) {
list($course, $cm) = get_course_and_cm_from_cmid($id, 'ilddigitalcert');
require_login($course, true, $cm);
$moduleinstance = $DB->get_record('ilddigitalcert', array('id' => $cm->instance), '*', MUST_EXIST);
$context = context_module::instance($cm->id);
$PAGE->set_title(format_string($moduleinstance->name));
$PAGE->set_heading(format_string($course->fullname));
$PAGE->set_url('/mod/ilddigitalcert/overview.php?id=' . $id);
} else {
require_login();
$context = context_system::instance();
$PAGE->set_context($context);
$PAGE->set_title(format_string(get_string('pluginname', 'mod_ilddigitalcert')));
$PAGE->set_heading(get_string('pluginname', 'mod_ilddigitalcert'));
$PAGE->set_url('/mod/ilddigitalcert/overview.php');
}
if (isguestuser()) {
redirect(new moodle_url('/login/'));
}
$hascapviewall = has_capability('moodle/grade:viewall', $context);
$hascapcertify = get_user_preferences('mod_ilddigitalcert_certifier', false, $USER) ? true : false;
$templatedata['has_cap_viewall'] = $hascapviewall;
$templatedata['has_cap_certify'] = $hascapcertify;
$PAGE->requires->js(new moodle_url('/mod/ilddigitalcert/js/pk_form.js'));
if ($hascapcertify) {
// Reissue selected certificates.
// Instantiate reissue form.
$reissueform = new \mod_ilddigitalcert\output\form\reissue_form(qualified_me());
// Set default data.
if (!$reissueform->get_data()) {
$reissueformdata = (object) [
'selected' => '[]',
];
// Set default data (if any).
$reissueform->set_data($reissueformdata);
} else {
$reissueform->action();
}
// Set template data needed for rendering the $reissue_form.
$templatedata['reissue_form'] = $reissueform->render();
// Sign and register selected certificates in the blockchain.
// Instantiate to_blockchain form.
$tobcform = new \mod_ilddigitalcert\output\form\to_blockchain_form(qualified_me());
// Set default data.
if (!$tobcform->get_data()) {
$tobcformdata = (object) [
'selected' => '[]',
'pk' => '',
];
// Set default data (if any).
$tobcform->set_data($tobcformdata);
} else {
$tobcform->action();
}
// Set template data needed for rendering the $to_bc_form.
$templatedata['to_bc_form'] = $tobcform->render();
// Revoke selected certificates.
// Instantiate revocation form.
$revocationform = new \mod_ilddigitalcert\output\form\revocation_form(qualified_me());
// Set default data.
if (!$revocationform->get_data()) {
$revocationformdata = (object) [
'selected' => '[]',
'pk' => '',
];
// Set default data (if any).
$revocationform->set_data($revocationformdata);
} else {
$revocationform->action();
}
// Set template data needed for rendering the $to_bc_form.
$templatedata['revocation_form'] = $revocationform->render();
}
// Instantiate search form.
$searchform = new \mod_ilddigitalcert\output\form\search_certificates_form(qualified_me());
// Set default data (if any).
if (!$searchform->get_data()) {
$searchformdata = (object) [
'search_query' => '',
'search_filter' => '',
];
if (isset($course)) {
$searchformdata->courseid = $course->id;
}
if (!$hascapviewall) {
$searchformdata->userid = $USER->id;
}
$searchform->set_data($searchformdata);
} else {
// Get search results.
list($conditions, $params) = $searchform->action();
}
// Else get all certificates.
if (!isset($conditions)) {
$conditions = '';
$params = array();
if (isset($course)) {
$conditions = ' AND courseid = :courseid';
$params['courseid'] = $course->id;
}
if (!$hascapviewall) {
$conditions = ' AND userid = :userid';
$params['userid'] = $USER->id;
}
if ($certjson) {
$certids = json_decode($certjson);
if (isset($certids) && !empty($certids)) {
list($insql, $inparams) = $DB->get_in_or_equal($certids, SQL_PARAMS_NAMED);
$conditions .= " AND idci.id $insql";
$params = array_merge($params, $inparams);
}
}
}
// Set template data needed for rendering the $search_form.
$templatedata['search_form'] = $searchform->render();
// Build page.
echo $OUTPUT->header();
if ($id) {
echo $OUTPUT->heading(get_string('overview_certifier', 'mod_ilddigitalcert'));
$templatedata['certificate_name'] = $moduleinstance->name;
$templatedata['preview_url'] = (
new moodle_url(
'/mod/ilddigitalcert/view.php',
array("id" => $id, 'view' => "preview")
)
)->out(false);
$templatedata['course_name'] = $course->fullname;
} else {
if ($hascapviewall) {
echo $OUTPUT->heading(get_string('overview_certifier', 'mod_ilddigitalcert'));
} else {
echo $OUTPUT->heading(get_string('overview', 'mod_ilddigitalcert'));
}
}
echo $OUTPUT->render_from_template('mod_ilddigitalcert/overview', $templatedata);
// Build certificate table that shows search results.
$table = new \mod_ilddigitalcert\output\table\certificate_table(
'cert_table' . '_' . time(),
$hascapcertify,
isset($course) ? $course->id : null,
$hascapviewall ? null : $USER->id
);
// Set table sql.
$select = 'idci.id AS certid, idci.name, idci.cmid, idci.enrolmentid, idci.timecreated as issued_on, idci.certhash as status,
u.*, c.id AS courseid, c.shortname AS courseshortname';
$from = '{ilddigitalcert_issued} idci, {user} u, {course} c';
$where = 'u.id = idci.userid AND c.id = idci.courseid';
$table->set_sql($select, $from, $where . $conditions, $params);
$table->define_baseurl(qualified_me());
$table->out(10, false);
echo $OUTPUT->footer();