Make events optional per-session.

add_form.php

@@ -125,6 +125,11 @@ class mod_attendance_add_form extends moodleform {
                             array('maxfiles' => EDITOR_UNLIMITED_FILES, 'noclean' => true, 'context' => $modcontext));
         $mform->setType('sdescription', PARAM_RAW);
 
+        $mform->addElement('checkbox', 'calendarevent', '', get_string('calendarevent', 'attendance'));
+        $mform->addHelpButton('calendarevent', 'calendarevent', 'attendance');
+        // XXX - this should be modified to use a different config setting if we keep enablecalendar's current meaning
+        $mform->setDefault('calendarevent', get_config('attendance', 'enablecalendar'));
+
         // If warnings allow selector for reporting.
         if (!empty(get_config('attendance', 'enablewarnings'))) {
             $mform->addElement('checkbox', 'absenteereport', '', get_string('includeabsentee', 'attendance'));

classes/calendar_helpers.php

@@ -38,8 +38,8 @@ function attendance_create_calendar_event(&$session) {
     if ($session->caleventid) {
         return $session->caleventid;
     }
-    if (empty(get_config('attendance', 'enablecalendar'))) {
-        // Calendar events are not used.
+    if (empty(get_config('attendance', 'enablecalendar')) || $session->calendarevent === 0) {
+        // Calendar events are not used, or event not required for this session.
         return true;
     }
 
@@ -98,18 +98,42 @@ function attendance_create_calendar_events($sessionsids) {
 /**
  * Update calendar event duration and date
  *
- * @param int $caleventid calendar event id
- * @param int $timeduration duration of the event
- * @param int $timestart start time of the event
+ * @param stdClass $session Session data
  * @return bool result of updating
  */
-function attendance_update_calendar_event($caleventid, $timeduration, $timestart) {
+function attendance_update_calendar_event($session) {
+    global $DB;
+
+    $caleventid = $session->caleventid;
+    $timeduration = $session->duration;
+    $timestart = $session->sessdate;
 
     if (empty(get_config('attendance', 'enablecalendar'))) {
         // Calendar events are not used.
         return true;
     }
 
+    // Should there even be an event?
+    if ($session->calendarevent == 0) {
+        if ($session->caleventid != 0) {
+            // There is an existing event we should delete
+            // (calendarevent option just got turned off)
+            $DB->delete_records_list('event', 'id', array($caleventid));
+            $session->caleventid = 0;
+            $DB->update_record('attendance_sessions', $session);
+            return true;
+        } else {
+            // This should be the common case when session does not want event
+            return true;
+        }
+    }
+
+    // Do we need new event (calendarevent option has just been turned on)?
+    if ($session->caleventid == 0) {
+        return attendance_create_calendar_event($session);
+    }
+
+    // Boring update
     $caleventdata = new stdClass();
     $caleventdata->timeduration   = $timeduration;
     $caleventdata->timestart      = $timestart;

classes/import/sessions.php

@@ -109,7 +109,8 @@ class sessions {
             get_string('autoassignstatus', 'attendance'),
             get_string('absenteereport', 'attendance'),
             get_string('preventsharedip', 'attendance'),
-            get_string('preventsharediptime', 'attendance')
+            get_string('preventsharediptime', 'attendance'),
+            get_string('calendarevent', 'attendance')
         );
     }
 
@@ -148,6 +149,7 @@ class sessions {
                 'absenteereport' => $data->header15,
                 'preventsharedip' => $data->header16,
                 'preventsharediptime' => $data->header17,
+                'calendarevent' => $data->header18
             );
         } else {
             return array(
@@ -168,7 +170,8 @@ class sessions {
                 'autoassignstatus' => 14,
                 'absenteereport' => 15,
                 'preventsharedip' => 16,
-                'preventsharediptime' => 17
+                'preventsharediptime' => 17,
+                'calendarevent' => 18
             );
         }
     }

classes/structure.php

@@ -534,6 +534,7 @@ class mod_attendance_structure {
             array('subdirs' => false, 'maxfiles' => -1, 'maxbytes' => 0), $formdata->sdescription['text']);
         $sess->description = $description;
         $sess->descriptionformat = $formdata->sdescription['format'];
+        $sess->calendarevent = empty($formdata->calendarevent) ? 0 : $formdata->calendarevent;
 
         $sess->studentscanmark = 0;
         $sess->autoassignstatus = 0;
@@ -579,7 +580,7 @@ class mod_attendance_structure {
              // This shouldn't really happen, but just in case to prevent fatal error.
             attendance_create_calendar_event($sess);
         } else {
-            attendance_update_calendar_event($sess->caleventid, $sess->duration, $sess->sessdate);
+            attendance_update_calendar_event($sess);
         }
 
         $info = construct_session_full_date_time($sess->sessdate, $sess->duration);
@@ -1200,7 +1201,7 @@ class mod_attendance_structure {
             $sess->timemodified = $now;
             $DB->update_record('attendance_sessions', $sess);
             if ($sess->caleventid) {
-                attendance_update_calendar_event($sess->caleventid, $duration, $sess->sessdate);
+                attendance_update_calendar_event($sess);
             }
             $event = \mod_attendance\event\session_duration_updated::create(array(
                 'objectid' => $this->id,

db/install.xml

@@ -48,6 +48,7 @@
         <FIELD NAME="preventsharedip" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
         <FIELD NAME="preventsharediptime" TYPE="int" LENGTH="10" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="caleventid" TYPE="int" LENGTH="10" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
+        <FIELD NAME="calendarevent" TYPE="int" LENGTH="1" NOTNULL="true" DEFAULT="1" SEQUENCE="false"/>
       </FIELDS>
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id" COMMENT="Primary key for attendance_sessions"/>

db/upgrade.php

@@ -511,5 +511,15 @@ function xmldb_attendance_upgrade($oldversion=0) {
         upgrade_mod_savepoint(true, 2018050100, 'attendance');
     }
 
+    if ($oldversion < 2018051402) {
+        $table = new xmldb_table('attendance_sessions');
+        $field = new xmldb_field('calendarevent', XMLDB_TYPE_INTEGER, '1', XMLDB_UNSIGNED,
+            XMLDB_NOTNULL, null, '1', 'caleventid');
+        if (!$dbman->field_exists($table, $field)) {
+            $dbman->add_field($table, $field);
+        }
+        upgrade_mod_savepoint(true, 2018051402, 'attendance');
+    }
+
     return $result;
 }

lang/en/attendance.php

@@ -78,6 +78,9 @@ $string['autorecorded'] = 'system auto recorded';
 $string['averageattendance'] = 'Average attendance';
 $string['averageattendancegraded'] = 'Average attendance';
 $string['calclose'] = 'Close';
+$string['calendarevent'] = 'Create calendar event for session';
+$string['calendarevent_help'] = 'If enabled, a calendar event will be created for this session.
+If disabled, any existing calendar event for this session will be deleted.';
 $string['caleventcreated'] = 'Calendar event for session successfully created';
 $string['caleventdeleted'] = 'Calendar event for session successfully deleted';
 $string['calmonths'] = 'January,February,March,April,May,June,July,August,September,October,November,December';

locallib.php

@@ -575,6 +575,11 @@ function attendance_construct_sessions_data_for_add($formdata, mod_attendance_st
         $formdata->studentscanmark = 0;
     }
 
+    $calendarevent = 0;
+    if (isset($formdata->calendarevent)) { // Calendar event should be created
+        $calendarevent = 1;
+    }
+
     $sessions = array();
     if (isset($formdata->addmultiply)) {
         $startdate = $sessiondate;
@@ -607,6 +612,7 @@ function attendance_construct_sessions_data_for_add($formdata, mod_attendance_st
                     $sess->descriptionitemid = $formdata->sdescription['itemid'];
                     $sess->description = $formdata->sdescription['text'];
                     $sess->descriptionformat = $formdata->sdescription['format'];
+                    $sess->calendarevent = $calendarevent;
                     $sess->timemodified = $now;
                     $sess->absenteereport = $absenteereport;
                     $sess->studentpassword = '';
@@ -657,6 +663,7 @@ function attendance_construct_sessions_data_for_add($formdata, mod_attendance_st
         $sess->descriptionitemid = $formdata->sdescription['itemid'];
         $sess->description = $formdata->sdescription['text'];
         $sess->descriptionformat = $formdata->sdescription['format'];
+        $sess->calendarevent = $calendarevent;
         $sess->timemodified = $now;
         $sess->studentscanmark = 0;
         $sess->autoassignstatus = 0;

resetcalendar.php

@@ -47,9 +47,9 @@ $tabmenu = attendance_print_settings_tabs('resetcalendar');
 echo $tabmenu;
 
 if (get_config('attendance', 'enablecalendar')) {
-    // Check to see if all sessions have calendar events.
+    // Check to see if all sessions that need them have calendar events.
     if ($action == 'create' && confirm_sesskey()) {
-        $sessions = $DB->get_recordset('attendance_sessions',  array('caleventid' => 0));
+        $sessions = $DB->get_recordset('attendance_sessions',  array('caleventid' => 0, 'calendarevent' => 1));
         foreach ($sessions as $session) {
             attendance_create_calendar_event($session);
             if ($session->caleventid) {
@@ -59,7 +59,7 @@ if (get_config('attendance', 'enablecalendar')) {
         $sessions->close();
         echo $OUTPUT->notification(get_string('eventscreated', 'mod_attendance'), 'notifysuccess');
     } else {
-        if ($DB->record_exists('attendance_sessions', array('caleventid' => 0))) {
+        if ($DB->record_exists('attendance_sessions', array('caleventid' => 0, 'calendarevent' => 1))) {
             $createurl = new moodle_url('/mod/attendance/resetcalendar.php', array('action' => 'create'));
             $returnurl = new moodle_url('/admin/settings.php', array('section' => 'modsettingattendance'));
 

tests/attendance_webservices_test.php

@@ -86,6 +86,7 @@ class attendance_webservices_tests extends advanced_testcase {
         $session->statusset = 0;
         $session->groupid = 0;
         $session->absenteereport = 1;
+        $session->calendarevent = 0;
 
         // Creating two sessions.
         $this->sessions[] = $session;

update_form.php

@@ -62,10 +62,12 @@ class mod_attendance_update_form extends moodleform {
         $endhour = floor($endtime / HOURSECS);
         $endminute = floor(($endtime - $endhour * HOURSECS) / MINSECS);
 
-        $data = array('sessiondate' => $sess->sessdate,
+        $data = array(
+            'sessiondate' => $sess->sessdate,
             'sestime' => array('starthour' => $starthour, 'startminute' => $startminute,
             'endhour' => $endhour, 'endminute' => $endminute),
             'sdescription' => $sess->description_editor,
+            'calendarevent' => $sess->calendarevent,
             'studentscanmark' => $sess->studentscanmark,
             'studentpassword' => $sess->studentpassword,
             'autoassignstatus' => $sess->autoassignstatus,
@@ -74,7 +76,8 @@ class mod_attendance_update_form extends moodleform {
             'absenteereport' => $sess->absenteereport,
             'automarkcompleted' => 0,
             'preventsharedip' => $sess->preventsharedip,
-                'preventsharediptime' => $sess->preventsharediptime);
+            'preventsharediptime' => $sess->preventsharediptime
+        );
         if ($sess->subnet == $attendancesubnet) {
             $data['usedefaultsubnet'] = 1;
         } else {
@@ -110,6 +113,11 @@ class mod_attendance_update_form extends moodleform {
                            array('rows' => 1, 'columns' => 80), $defopts);
         $mform->setType('sdescription', PARAM_RAW);
 
+        $mform->addElement('checkbox', 'calendarevent', '', get_string('calendarevent', 'attendance'));
+        $mform->addHelpButton('calendarevent', 'calendarevent', 'attendance');
+        // XXX - this should be modified to use a different config setting if we keep enablecalendar's current meaning
+        // $mform->setDefault('calendarevent', get_config('attendance', 'enablecalendar'));
+
         // If warnings allow selector for reporting.
         if (!empty(get_config('attendance', 'enablewarnings'))) {
             $mform->addElement('checkbox', 'absenteereport', '', get_string('includeabsentee', 'attendance'));
@@ -185,7 +193,6 @@ class mod_attendance_update_form extends moodleform {
         }
 
         $mform->setDefaults($data);
-
         $this->add_action_buttons(true);
     }
 

version.php

@@ -23,7 +23,7 @@
  */
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version  = 2018051401;
+$plugin->version  = 2018051402;
 $plugin->requires = 2018050800; // Requires 3.5.
 $plugin->release = '3.5.1';
 $plugin->maturity  = MATURITY_STABLE;