Add support for reindexing document on content parsing changes.

Signed-off-by: Roberto Rosario <roberto.rosario.gonzalez@gmail.com>

mayan/apps/document_parsing/handlers.py

@@ -4,11 +4,19 @@ import logging
 
 from django.apps import apps
 
+from document_indexing.tasks import task_index_document
+
 from .settings import setting_auto_parsing
 
 logger = logging.getLogger(__name__)
 
 
+def handler_index_document(sender, **kwargs):
+    task_index_document.apply_async(
+        kwargs=dict(document_id=kwargs['instance'].document.pk)
+    )
+
+
 def handler_initialize_new_parsing_settings(sender, instance, **kwargs):
     DocumentTypeSettings = apps.get_model(
         app_label='document_parsing', model_name='DocumentTypeSettings'