From 1862595581efaeea2d531ae388fe5f4ddaba1afb Mon Sep 17 00:00:00 2001
From: John Lane <46030891+JohnOLane@users.noreply.github.com>
Date: Thu, 11 Jul 2024 09:47:36 -0600
Subject: [PATCH] Making mdl_scheduler_appointment.studentattend nullable.

---
 db/install.xml |  6 +++---
 db/upgrade.php | 13 +++++++++++++
 version.php    |  2 +-
 3 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/db/install.xml b/db/install.xml
index fbc59aa5..1a8e00dc 100644
--- a/db/install.xml
+++ b/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="mod/scheduler/db" VERSION="20170205" COMMENT="XMLDB file for scheduler module"
+<XMLDB PATH="mod/scheduler/db" VERSION="20240711" COMMENT="XMLDB file for scheduler module"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../lib/xmldb/xmldb.xsd"
 >
@@ -65,7 +65,7 @@
         <FIELD NAME="slotid" TYPE="int" LENGTH="11" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="studentid" TYPE="int" LENGTH="11" NOTNULL="true" SEQUENCE="false"/>
         <FIELD NAME="attended" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false"/>
-        <FIELD NAME="studentattend" TYPE="int" LENGTH="4" NOTNULL="true" SEQUENCE="false"/>
+        <FIELD NAME="studentattend" TYPE="int" LENGTH="4" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="grade" TYPE="int" LENGTH="4" NOTNULL="false" SEQUENCE="false"/>
         <FIELD NAME="appointmentnote" TYPE="text" NOTNULL="false" SEQUENCE="false" COMMENT="Notes visible to teacher and student"/>
         <FIELD NAME="appointmentnoteformat" TYPE="int" LENGTH="4" NOTNULL="true" DEFAULT="0" SEQUENCE="false"/>
@@ -85,4 +85,4 @@
       </INDEXES>
     </TABLE>
   </TABLES>
-</XMLDB>
\ No newline at end of file
+</XMLDB>
diff --git a/db/upgrade.php b/db/upgrade.php
index e3dfc6c5..5c4d62e7 100644
--- a/db/upgrade.php
+++ b/db/upgrade.php
@@ -401,5 +401,18 @@ function xmldb_scheduler_upgrade($oldversion=0) {
         upgrade_mod_savepoint(true, 2022120200, 'scheduler');
     }
 
+    if ($oldversion < 2023052401) {
+
+        // Changing nullability of field studentattend on table scheduler_appointment to null.
+        $table = new xmldb_table('scheduler_appointment');
+        $field = new xmldb_field('studentattend', XMLDB_TYPE_INTEGER, '4', null, false, null, null, 'attended');
+
+        // Launch change of nullability for field studentattend.
+        $dbman->change_field_notnull($table, $field);
+
+        // Scheduler savepoint reached.
+        upgrade_mod_savepoint(true, 2023052401, 'scheduler');
+    }
+
     return true;
 }
diff --git a/version.php b/version.php
index d1b81a41..f4723913 100644
--- a/version.php
+++ b/version.php
@@ -29,7 +29,7 @@
  */
 
 $plugin->component = 'mod_scheduler'; // Full name of the plugin (used for diagnostics).
-$plugin->version   = 2023052400;      // The current module version (Date: YYYYMMDDXX).
+$plugin->version   = 2023052401;      // The current module version (Date: YYYYMMDDXX).
 $plugin->release   = '4.x dev';       // Human-friendly version name.
 $plugin->requires  = 2022041900;      // Requires Moodle 4.0.
 $plugin->maturity  = MATURITY_ALPHA;  // Development release - not for production use.