Added delete_files argument to the workflow_processor reset method.

Added code to delete the files when delete_files is True.

crc/services/workflow_processor.py

@@ -174,7 +174,7 @@ class WorkflowProcessor(object):
             self.is_latest_spec = False
 
     @staticmethod
-    def reset(workflow_model, clear_data=False):
+    def reset(workflow_model, clear_data=False, delete_files=False):
         print('WorkflowProcessor: reset: ')
 
         # Try to execute a cancel notify
@@ -194,6 +194,10 @@ class WorkflowProcessor(object):
             for task_event in task_events:
                 task_event.form_data = {}
                 session.add(task_event)
+        if delete_files:
+            files = FileModel.query.filter(FileModel.workflow_id == workflow_model.id).all()
+            for file in files:
+                FileService.delete_file(file.id)
         session.commit()
         return WorkflowProcessor(workflow_model)