From 14e0e5ddb7255342d1a7360b6e7f7e81aac161b3 Mon Sep 17 00:00:00 2001
From: Angela Baier <angela.baier@univie.ac.at>
Date: Thu, 7 Apr 2022 09:46:55 +0200
Subject: [PATCH] EL-1194/dates

infotext bug fix
---
 classes/dates.php | 71 +++++++++++++++++++++++++++++++++++++++++++++++
 lib.php           | 38 +++++++++++++++++++++++++
 2 files changed, 109 insertions(+)
 create mode 100644 classes/dates.php

diff --git a/classes/dates.php b/classes/dates.php
new file mode 100644
index 00000000..16f46a6e
--- /dev/null
+++ b/classes/dates.php
@@ -0,0 +1,71 @@
+<?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/>.
+
+/**
+ * Contains the class for fetching the important dates in mod_questionnaire for a given module instance and a user.
+ *
+ * @package   mod_questionnaire
+ * @copyright 2022 University of Vienna
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+declare(strict_types=1);
+
+namespace mod_questionnaire;
+
+use core\activity_dates;
+
+/**
+ * Class for fetching the important dates in mod_questionnaire for a given module instance and a user.
+ *
+ * @copyright 2022 University of Vienna
+ * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class dates extends activity_dates {
+    
+    /**
+     * Returns a list of important dates in mod_questionnaire
+     *
+     * @return array
+     */
+    protected function get_dates(): array {
+        global $DB;
+
+        $timeopen = $this->cm->customdata['opendate'] ?? null;
+        $timeclose = $this->cm->customdata['closedate'] ?? null;
+
+        $now = time();
+        $dates = [];
+
+        if ($timeopen) {
+            $openlabelid = $timeopen > $now ? 'activitydate:opens' : 'activitydate:opened';
+            $dates[] = [
+                'label' => get_string($openlabelid, 'core_course'),
+                'timestamp' => (int) $timeopen,
+            ];
+        }
+
+        if ($timeclose) {
+            $closelabelid = $timeclose > $now ? 'activitydate:closes' : 'activitydate:closed';
+            $dates[] = [
+                'label' => get_string($closelabelid, 'core_course'),
+                'timestamp' => (int) $timeclose,
+            ];
+        }
+
+        return $dates;
+    }
+}
diff --git a/lib.php b/lib.php
index 46f15244..fbc519f1 100644
--- a/lib.php
+++ b/lib.php
@@ -1276,3 +1276,41 @@ function mod_questionnaire_coursemodule_edit_post_actions($data, $course) {
 
     return $data;
 }
+
+/**
+ * Add a get_coursemodule_info function in case any questionnaire type wants to add 'extra' information
+ * for the course (see resource).
+ *
+ * Given a course_module object, this function returns any "extra" information that may be needed
+ * when printing this activity in a course listing.  See get_array_of_activities() in course/lib.php.
+ *
+ * @param stdClass $coursemodule The coursemodule object (record).
+ * @return cached_cm_info An object on information that the courses
+ *                        will know about (most noticeably, an icon).
+ */
+function questionnaire_get_coursemodule_info($coursemodule) {
+    global $DB;
+
+    $dbparams = array('id'=>$coursemodule->instance);
+    if (! $questionnaire = $DB->get_record('questionnaire', $dbparams)) {
+        return false;
+    }
+
+    $result = new cached_cm_info();
+    $result->name = $questionnaire->name;
+
+    if ($coursemodule->showdescription) {
+        // Convert intro to html. Do not filter cached version, filters run at display time.
+        $result->content = format_module_intro('questionnaire', $questionnaire, $coursemodule->id, false);
+    }
+
+    // Populate some other values that can be used in calendar or on dashboard.
+    if ($questionnaire->opendate) {
+        $result->customdata['opendate'] = $questionnaire->opendate;
+    }
+    if ($questionnaire->closedate) {
+        $result->customdata['closedate'] = $questionnaire->closedate;
+    }
+
+    return $result;
+}