+# This file is part of FNP-Redakcja, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
+#
+import sys
+from django.contrib.auth.models import User
+from django.core.management.base import BaseCommand
+from documents.models import Book
+
+
+class XmlUpdaterCommand(BaseCommand):
+ """Base class for creating massive XML-updating commands.
+
+ In a subclass, provide an XmlUpdater class in the `updater' attribute.
+ """
+ args = "[slug]..."
+
+ def add_arguments(self, parser):
+ parser.add_argument(
+ '-q', '--quiet', action='store_false', dest='verbose',
+ default=True, help='Less output')
+ parser.add_argument(
+ '-d', '--dry-run', action='store_true', dest='dry_run',
+ default=False, help="Don't actually touch anything")
+ parser.add_argument(
+ '-u', '--username', dest='username', metavar='USER',
+ help='Assign commits to this user (required, preferably yourself).')
+
+ def handle(self, *args, **options):
+ verbose = options.get('verbose')
+ dry_run = options.get('dry_run')
+ username = options.get('username')
+
+ if username:
+ user = User.objects.get(username=username)
+ else:
+ print('Please provide a username.')
+ sys.exit(1)
+
+ books = Book.objects.filter(slug__in=args) if args else None
+
+ updater = self.updater()
+ updater.run(user, verbose=verbose, dry_run=dry_run, books=books)
+ updater.print_results()