Fix global settings

db/upgrade.php

@@ -88,5 +88,23 @@ function xmldb_plagiarism_pchkorg_upgrade($oldversion) {
         upgrade_plugin_savepoint(true, 2024072918, 'plagiarism', 'pchkorg');
     }
 
+    if ($oldversion < 2024102818) {
+        $configs = get_config('plagiarism');
+
+        foreach ($configs as $field => $value) {
+            if (strpos($field, 'pchkorg') === 0) {
+                if ($field === 'pchkorg_use') {
+                    $DB->delete_records('config_plugins', ['name' => $field, 'plugin' => 'plagiarism']);
+
+                    $field = 'enabled';
+                }
+
+                set_config($field, $value, 'plagiarism_pchkorg');
+            }
+        }
+
+        upgrade_plugin_savepoint(true, 2024102818, 'plagiarism', 'pchkorg');
+    }
+
     return true;
 }

lib.php

@@ -237,6 +237,9 @@ function plagiarism_pchkorg_coursemodule_edit_post_actions($data, $course)
         foreach ($records as $record) {
             if ($record->name === $field) {
                 $isfounded = true;
+                if (!isset($data->{$record->name}) || $data->{$record->name} === null) {
+                    $data->{$record->name} = 0;
+                }
                 if ($field === 'pchkorg_min_percent' && !$canchangeminpercent) {
                     $DB->delete_records('plagiarism_pchkorg_config', array('id' => $record->id));
                     break;

settings.php

@@ -57,8 +57,9 @@ if (($data = $mform->get_data()) && confirm_sesskey()) {
         if (strpos($field, 'pchkorg') === 0) {
             if ('pchkorg_use' === $field) {
                 set_config('enabled', $value, 'plagiarism_pchkorg');
+            } else {
+                set_config($field, $value, 'plagiarism_pchkorg');
             }
-            set_config($field, $value, 'plagiarism_pchkorg');
             $pchkorgconfigmodel->set_system_config($field, $value);
         }
     }

version.php

@@ -26,9 +26,9 @@ defined('MOODLE_INTERNAL') || die();
 if (!isset($plugin)) {
     $plugin = new stdClass();
 }
-$plugin->version = 2024100814;
+$plugin->version = 2024102819;
 $plugin->requires = 2020061501; // Requires Moodle 3.9 .
-$plugin->release = 'v3.15.3';
+$plugin->release = 'v3.15.6';
 $plugin->component = 'plagiarism_pchkorg';
 $plugin->maturity = MATURITY_STABLE;
 $plugin->dependencies = array(