Create a sample document index after the initial setup. GitLab issue #275.

mayan/apps/document_indexing/handlers.py

@@ -1,8 +1,38 @@
 from __future__ import unicode_literals
 
+from django.apps import apps
+from django.utils.translation import ugettext_lazy as _
+
 from .tasks import task_delete_empty_index_nodes, task_index_document
 
 
+def create_default_document_index(sender, **kwargs):
+    DocumentType = apps.get_model(
+        app_label='documents', model_name='DocumentType'
+    )
+    Index = apps.get_model(
+        app_label='document_indexing', model_name='Index'
+    )
+
+    if not Index.objects.count():
+        index = Index.objects.create(
+            label=_('Creation date'), slug='creation_date'
+        )
+        for document_type in DocumentType.objects.all():
+            index.document_types.add(document_type)
+
+        root_template_node = index.template_root
+        node = root_template_node.get_children().create(
+            expression='{{ document.date_added|date:"Y" }}', index=index,
+            parent=root_template_node
+        )
+        node.get_children().create(
+            expression='{{ document.date_added|date:"m" }}',
+            index=index, link_documents=True, parent=node
+        )
+
+
+
 def document_created_index_update(sender, **kwargs):
     task_index_document.apply_async(
         kwargs=dict(document_id=kwargs['instance'].pk)