MDL-85541 gradereport_history: show user country value correctly.

grade/report/history/classes/output/tablelog.php

@@ -213,6 +213,17 @@ class tablelog extends \table_sql implements \renderable {
         $this->define_headers(array_values($cols));
     }
 
+    /**
+     * Display name of country
+     *
+     * @param \stdClass $history
+     * @return string
+     */
+    public function col_country(\stdClass $history): string {
+        $countries = get_string_manager()->get_list_of_countries();
+        return $countries[$history->country] ?? $history->country;
+    }
+
     /**
      * Method to display the final grade.
      *

grade/report/history/users_ajax.php

@@ -64,7 +64,12 @@ foreach ($users as $user) {
     $fieldvalues = [];
     foreach ($extrafields as $field) {
         if ($user->{$field}) {
-            $fieldvalues[] = $user->{$field};
+            $fieldcontent = $user->{$field};
+            if ($field === 'country') {
+                $countries = get_string_manager()->get_list_of_countries();
+                $fieldcontent = $countries[$fieldcontent] ?? $fieldcontent;
+            }
+            $fieldvalues[] = $fieldcontent;
         }
     }
     $newuser->extrafields = implode(', ', $fieldvalues);