Add control codes app proof of concept

Signed-off-by: Roberto Rosario <roberto.rosario@mayan-edms.com>

mayan/apps/control_codes/methods.py

@@ -0,0 +1,20 @@
+from __future__ import unicode_literals
+
+from django.utils.translation import ugettext_lazy as _
+
+from .tasks import task_process_document_version
+
+
+def method_document_submit(self):
+    latest_version = self.latest_version
+    # Don't error out if document has no version
+    if latest_version:
+        latest_version.submit_for_control_codes_processing()
+
+
+def method_document_version_submit(self):
+    task_process_document_version.apply_async(
+        kwargs={
+            'document_version_id': self.pk,
+        }
+    )