check if the I18NString is an object or just a string (happens when only one...

check if the I18NString is an object or just a string (happens when only one content language is defined), re #154

lib/classes/coursewizardsteps/AdvancedBasicDataWizardStep.php

@@ -132,9 +132,9 @@ class AdvancedBasicDataWizardStep extends BasicDataWizardStep
 
         $values[__CLASS__] = array_merge($values[__CLASS__], [
             'subtitle' => $course->untertitel,
-            'subtitle_i18n' => $course->untertitel->toArray(),
+            'subtitle_i18n' => is_object($course->untertitel) ? $course->untertitel->toArray() : $course->untertitel,
             'kind' => $course->art,
-            'kind_i18n' => $course->art->toArray(),
+            'kind_i18n' => is_object($course->art) ? $course->art->toArray() : $course->art,
             'ects' => $course->ects,
             'maxmembers' => $course->admission_turnout,
         ]);

lib/classes/coursewizardsteps/BasicDataWizardStep.php

@@ -491,11 +491,12 @@ class BasicDataWizardStep implements CourseWizardStep
             'coursetype' => $course->status,
             'start_time' => $course->start_time,
             'name' => $course->name,
-            'name_i18n' => $course->name->toArray(),
+            'name_i18n' => is_object($course->name) ? $course->name->toArray() : $course->name,
             'number' => $course->veranstaltungsnummer,
             'institute' => $course->institut_id,
             'description' => $course->beschreibung,
-            'description_i18n' => $course->beschreibung->toArray()
+            'description_i18n' => is_object($course->beschreibung) ?
+                $course->beschreibung->toArray() : $course->beschreibung
         ];
         $lecturers = $course->members->findBy('status', 'dozent')->pluck('user_id');
         $data['lecturers'] = array_flip($lecturers);
@@ -584,6 +585,9 @@ class BasicDataWizardStep implements CourseWizardStep
      */
     protected function makeI18N($values, $indices)
     {
+        // We only need to do something if there are several content languages.
+        if (count($GLOBALS['CONTENT_LANGUAGES']) > 1) {
+
             /**
              * Create array for configured content languages
              */
@@ -606,6 +610,8 @@ class BasicDataWizardStep implements CourseWizardStep
                 }
             }
 
+        }
+
         return $values;
     }