From 2157cc74a49bd3f1ec33db2d675edf5fe8782e5a Mon Sep 17 00:00:00 2001
From: Kevin Pham <keevan.pham@gmail.com>
Date: Tue, 22 Jun 2021 14:18:28 +1000
Subject: [PATCH] MDL-49795 logstore_standard: add foreign keys for userids &
 courseid

Fields affected: userid, realuserid, courseid & relateduserid
---
 admin/tool/log/store/standard/db/install.xml |  6 +++-
 admin/tool/log/store/standard/db/upgrade.php | 29 +++++++++++++++++++-
 admin/tool/log/store/standard/version.php    |  2 +-
 3 files changed, 34 insertions(+), 3 deletions(-)

diff --git a/admin/tool/log/store/standard/db/install.xml b/admin/tool/log/store/standard/db/install.xml
index e3b8c40b7e2..67b9abae7bf 100644
--- a/admin/tool/log/store/standard/db/install.xml
+++ b/admin/tool/log/store/standard/db/install.xml
@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="UTF-8" ?>
-<XMLDB PATH="admin/tool/log/store/standard/db" VERSION="20140415" COMMENT="XMLDB file for Moodle admin/tool/log/store/standard"
+<XMLDB PATH="admin/tool/log/store/standard/db" VERSION="20220616" COMMENT="XMLDB file for Moodle admin/tool/log/store/standard"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:noNamespaceSchemaLocation="../../../../../../lib/xmldb/xmldb.xsd"
 >
@@ -31,6 +31,10 @@
       <KEYS>
         <KEY NAME="primary" TYPE="primary" FIELDS="id"/>
         <KEY NAME="contextid" TYPE="foreign" FIELDS="contextid" REFTABLE="context" REFFIELDS="id"/>
+        <KEY NAME="userid" TYPE="foreign" FIELDS="userid" REFTABLE="user" REFFIELDS="id"/>
+        <KEY NAME="courseid" TYPE="foreign" FIELDS="courseid" REFTABLE="course" REFFIELDS="id"/>
+        <KEY NAME="realuserid" TYPE="foreign" FIELDS="realuserid" REFTABLE="user" REFFIELDS="id"/>
+        <KEY NAME="relateduserid" TYPE="foreign" FIELDS="relateduserid" REFTABLE="user" REFFIELDS="id"/>
       </KEYS>
       <INDEXES>
         <INDEX NAME="timecreated" UNIQUE="false" FIELDS="timecreated"/>
diff --git a/admin/tool/log/store/standard/db/upgrade.php b/admin/tool/log/store/standard/db/upgrade.php
index 6496e66b446..4d35052f39c 100644
--- a/admin/tool/log/store/standard/db/upgrade.php
+++ b/admin/tool/log/store/standard/db/upgrade.php
@@ -25,13 +25,40 @@
 defined('MOODLE_INTERNAL') || die();
 
 function xmldb_logstore_standard_upgrade($oldversion) {
-    global $CFG;
+    global $CFG, $DB;
+
+    require_once($CFG->libdir.'/db/upgradelib.php'); // Core Upgrade-related functions.
+
+    $dbman = $DB->get_manager(); // Loads ddl manager and xmldb classes.
 
     // Automatically generated Moodle v3.9.0 release upgrade line.
     // Put any upgrade step following this.
 
     // Automatically generated Moodle v4.0.0 release upgrade line.
     // Put any upgrade step following this.
+    if ($oldversion < 2022053000) {
+        // Define index relateduserid (not unique) to be added to logstore_standard_log.
+        $table = new xmldb_table('logstore_standard_log');
+
+        // Launch add key userid.
+        $key = new xmldb_key('userid', XMLDB_KEY_FOREIGN, ['userid'], 'user', ['id']);
+        $dbman->add_key($table, $key);
+
+        // Launch add key courseid.
+        $key = new xmldb_key('courseid', XMLDB_KEY_FOREIGN, ['courseid'], 'course', ['id']);
+        $dbman->add_key($table, $key);
+
+        // Launch add key realuserid.
+        $key = new xmldb_key('realuserid', XMLDB_KEY_FOREIGN, ['realuserid'], 'user', ['id']);
+        $dbman->add_key($table, $key);
+
+        // Launch add key relateduserid.
+        $key = new xmldb_key('relateduserid', XMLDB_KEY_FOREIGN, ['relateduserid'], 'user', ['id']);
+        $dbman->add_key($table, $key);
+
+        // Standard savepoint reached.
+        upgrade_plugin_savepoint(true, 2022053000, 'logstore', 'standard');
+    }
 
     return true;
 }
diff --git a/admin/tool/log/store/standard/version.php b/admin/tool/log/store/standard/version.php
index eb1e891e4c3..a4e9d286927 100644
--- a/admin/tool/log/store/standard/version.php
+++ b/admin/tool/log/store/standard/version.php
@@ -24,6 +24,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$plugin->version = 2022041900; // The current plugin version (Date: YYYYMMDDXX).
+$plugin->version = 2022053000; // The current plugin version (Date: YYYYMMDDXX).
 $plugin->requires = 2022041200; // Requires this Moodle version.
 $plugin->component = 'logstore_standard'; // Full name of the plugin (used for diagnostics).