Initialize document type file metadata settings

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

mayan/apps/file_metadata/migrations/0001_initial.py

@@ -1,11 +1,30 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.11.20 on 2019-04-24 08:42
 from __future__ import unicode_literals
 
 from django.db import migrations, models
 import django.db.models.deletion
 
 
+def operation_initialize_file_metadata_settings(apps, schema_editor):
+    DocumentType = apps.get_model(
+        app_label='documents', model_name='DocumentType'
+    )
+    DocumentTypeSettings = apps.get_model(
+        app_label='file_metadata', model_name='DocumentTypeSettings'
+    )
+
+    for document_type in DocumentType.objects.using(schema_editor.connection.alias).all():
+        DocumentTypeSettings.objects.using(
+            schema_editor.connection.alias
+        ).create(document_type=document_type)
+
+
+def operation_initialize_file_metadata_settings_reverse(apps, schema_editor):
+    DocumentTypeSettings = apps.get_model(
+        app_label='file_metadata', model_name='DocumentTypeSettings'
+    )
+    DocumentTypeSettings.objects.using(schema_editor.connection.alias).delete()
+
+
 class Migration(migrations.Migration):
 
     initial = True
@@ -75,4 +94,8 @@ class Migration(migrations.Migration):
             name='documentversiondriverentry',
             unique_together=set([('driver', 'document_version')]),
         ),
+        migrations.RunPython(
+            code=operation_initialize_file_metadata_settings,
+            reverse_code=operation_initialize_file_metadata_settings_reverse
+        )
     ]