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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/>.
/**
* For a given question type, list the number of
*
* @package report
* @subpackage questioninstances
* @copyright 2008 Tim Hunt
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require(__DIR__.'/../../config.php');
require_once($CFG->libdir.'/adminlib.php');
require_once($CFG->libdir.'/questionlib.php');
// Get URL parameters.
$requestedqtype = optional_param('qtype', '', PARAM_SAFEDIR);
// Print the header & check permissions.
admin_externalpage_setup('reportquestioninstances', '', null, '', array('pagelayout'=>'report'));
echo $OUTPUT->header();
// Log.
\report_questioninstances\event\report_viewed::create(array('other' => array('requestedqtype' => $requestedqtype)))->trigger();
// Prepare the list of capabilities to choose from
$qtypes = question_bank::get_all_qtypes();
$qtypechoices = array();
foreach ($qtypes as $qtype) {
$qtypechoices[$qtype->name()] = $qtype->local_name();
}
// Print the settings form.
echo $OUTPUT->box_start('generalbox boxwidthwide boxaligncenter centerpara');
echo '<form method="get" action="." id="settingsform"><div>';
echo $OUTPUT->heading(get_string('reportsettings', 'report_questioninstances'));
echo '<p id="intro">', get_string('intro', 'report_questioninstances') , '</p>';
echo '<p><label for="menuqtype"> ' . get_string('questiontype', 'admin') . '</label> ';
echo html_writer::select($qtypechoices, 'qtype', $requestedqtype, array('_all_'=>get_string('all')));
echo '</p>';
echo '<p><input type="submit" class="btn btn-secondary" id="settingssubmit" value="' .
get_string('getreport', 'report_questioninstances') . '" /></p>';
echo '</div></form>';
echo $OUTPUT->box_end();
// If we have a qtype to report on, generate the report.
if ($requestedqtype) {
// Work out the bits needed for the SQL WHERE clauses.
if ($requestedqtype == 'missingtype') {
$title = get_string('reportformissingqtypes', 'report_questioninstances');
$othertypes = array_keys($qtypes);
$key = array_search('missingtype', $othertypes);
unset($othertypes[$key]);
list($sqlqtypetest, $params) = $DB->get_in_or_equal($othertypes, SQL_PARAMS_QM, '', false);
$sqlqtypetest = 'WHERE qtype ' . $sqlqtypetest;
} else if ($requestedqtype == '_all_') {
$title = get_string('reportforallqtypes', 'report_questioninstances');
$sqlqtypetest = '';
$params = array();
} else {
$title = get_string('reportforqtype', 'report_questioninstances',
question_bank::get_qtype($requestedqtype)->local_name());
$sqlqtypetest = 'WHERE qtype = ?';
$params = array($requestedqtype);
}
// Get the question counts, and all the context information, for each
// context. That is, rows of these results can be used as $context objects.
$ctxpreload = context_helper::get_preload_record_columns_sql('con');
$ctxgroupby = implode(',', array_keys(context_helper::get_preload_record_columns('con')));
$counts = $DB->get_records_sql("
SELECT qc.contextid, count(1) as numquestions, sum(hidden) as numhidden, $ctxpreload
FROM {question} q
JOIN {question_categories} qc ON q.category = qc.id
JOIN {context} con ON con.id = qc.contextid
$sqlqtypetest
AND (q.parent = 0 OR q.parent = q.id)
GROUP BY qc.contextid, $ctxgroupby
ORDER BY numquestions DESC, numhidden ASC, con.contextlevel ASC, con.id ASC", $params);
// Print the report heading.
echo $OUTPUT->heading($title);
// Initialise the table.
$table = new html_table();
$table->head = array(
get_string('context', 'role'),
get_string('totalquestions', 'report_questioninstances'),
get_string('visiblequestions', 'report_questioninstances'),
get_string('hiddenquestions', 'report_questioninstances'));
$table->data = array();
$table->class = '';
$table->id = '';
// Add the data for each row.
$totalquestions = 0;
$totalvisible = 0;
$totalhidden = 0;
foreach ($counts as $count) {
// Work out a link for editing questions in this context.
context_helper::preload_from_record($count);
$context = context::instance_by_id($count->contextid);
$contextname = $context->get_context_name();
$url = question_edit_url($context);
if ($url) {
$contextname = '<a href="' . $url . '" title="' .
get_string('editquestionshere', 'report_questioninstances') .
'">' . $contextname . '</a>';
}
// Put the scores in the table.
$numvisible = $count->numquestions - $count->numhidden;
$table->data[] = array(
$contextname,
$count->numquestions,
$numvisible,
$count->numhidden);
// Update the totals.
$totalquestions += $count->numquestions;
$totalvisible += $numvisible;
$totalhidden += $count->numhidden;
}
// Add a totals row.
$table->data[] = array(
'<b>' . get_string('total') . '</b>',
$totalquestions,
$totalvisible,
$totalhidden);
// Print it.
echo html_writer::table($table);
}
// Footer.
echo $OUTPUT->footer();