Converts the ISCED code list to a service; converts the widget and formatter to use the service

Author: tiagosimoes-euf

isced_code.module

@@ -22,31 +22,3 @@ function isced_code_help($route_name, RouteMatchInterface $route_match) {
     default:
   }
 }
-
-/**
- * Get ISCED codes.
- *
- * Get associative array of ISCED codes from a source file.
- *
- * @return array $options
- */
-function isced_code_get_values() {
-  $source_file = 'isced_codes.inc';
-  include $source_file;
-
-  $options = [];
-  foreach ($isced_codes as $broad => $narrow_array) {
-    $group = [];
-    foreach ($narrow_array as $narrow => $detailed_array) {
-      // Don't print the narrow field at all...
-      //$narrow_key = substr($narrow, 0, 3);
-      //$group[$narrow_key] = $narrow;
-      foreach ($detailed_array as $key => $value) {
-        $group[$key] = $value;
-      }
-    }
-    $options[$broad] = $group;
-  }
-
-  return $options;
-}

isced_code.services.yml

@@ -0,0 +1,4 @@
+services:
+  isced_code.isced_code:
+    class: Drupal\isced_code\IscedCodeManager
+    arguments: []