Show required and optional metadata types on upload wizard

mayan/apps/sources/wizards.py

@@ -22,7 +22,7 @@ class DocumentCreateWizard(MayanPermissionCheckMixin, SessionWizardView):
     def _has_metadata_types(wizard):
         # Skip the 2nd step if document type has no associated metadata
         try:
-            return wizard.get_cleaned_data_for_step('0')['document_type'].metadata.count()
+            return wizard.get_cleaned_data_for_step('0')['document_type'].metadata_type.all().count()
         except TypeError:
             return False
 
@@ -40,11 +40,18 @@ class DocumentCreateWizard(MayanPermissionCheckMixin, SessionWizardView):
         if step == '1':
             initial = []
 
-            for metadata_type in self.get_cleaned_data_for_step('0')['document_type'].metadata.all():
+            for metadata_type in self.get_cleaned_data_for_step('0')['document_type'].metadata_type.filter(required=True):
+                initial.append({
+                    'metadata_type': metadata_type,
+                    'required': True,
+                })
+
+            for metadata_type in self.get_cleaned_data_for_step('0')['document_type'].metadata_type.filter(required=False):
                 initial.append({
                     'metadata_type': metadata_type,
                 })
 
+
             return initial
         return self.initial_dict.get(step, {})