Finish the document parsing app.

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

mayan/apps/document_parsing/tasks.py

@@ -0,0 +1,29 @@
+from __future__ import unicode_literals
+
+import logging
+
+from django.apps import apps
+
+from mayan.celery import app
+
+logger = logging.getLogger(__name__)
+
+
+@app.task(ignore_result=True)
+def task_parse_document_version(document_version_pk):
+    DocumentVersion = apps.get_model(
+        app_label='documents', model_name='DocumentVersion'
+    )
+    DocumentPageContent = apps.get_model(
+        app_label='document_parsing', model_name='DocumentPageContent'
+    )
+
+    document_version = DocumentVersion.objects.get(
+        pk=document_version_pk
+    )
+    logger.info(
+        'Starting parsing for document version: %s', document_version
+    )
+    DocumentPageContent.objects.process_document_version(
+        document_version=document_version
+    )