From c10706286bdf138f20274da5fdf8b111829728e5 Mon Sep 17 00:00:00 2001
From: Henrik Levkowetz <henrik@levkowetz.com>
Date: Wed, 11 Mar 2020 22:02:30 +0000
Subject: [PATCH] Added a management command to check draft event revision
 numbers.  To be extended for other checks.  - Legacy-Id: 17423

---
 .../check_draft_event_revision_integrity.py   | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 ietf/utils/management/commands/check_draft_event_revision_integrity.py

diff --git a/ietf/utils/management/commands/check_draft_event_revision_integrity.py b/ietf/utils/management/commands/check_draft_event_revision_integrity.py
new file mode 100644
index 000000000..a066fcdaa
--- /dev/null
+++ b/ietf/utils/management/commands/check_draft_event_revision_integrity.py
@@ -0,0 +1,60 @@
+# Copyright The IETF Trust 2015-2020, All Rights Reserved
+# -*- coding: utf-8 -*-
+
+
+from __future__ import absolute_import, print_function, unicode_literals
+
+
+import collections
+import datetime
+
+import django
+django.setup()
+
+from django.core.management.base import BaseCommand #, CommandError
+
+import debug                            # pyflakes:ignore
+
+from ietf.doc.models import NewRevisionDocEvent
+
+RevInfo = collections.namedtuple('RevInfo', ['doc', 'event', 'rev'])
+
+class Command(BaseCommand):
+    help = """
+    Check that new revision events for drafts have monotonically increasing
+    revision numbers and that the latest event revision number matches the
+    document revision number.
+    """
+
+    def add_arguments(self, parser):
+        default_start = datetime.datetime.now() - datetime.timedelta(days=60)
+        parser.add_argument(
+            '-d', '--from', type=str, default=default_start.strftime('%Y-%m-%d'),
+            help='Limit the list to messages saved after the given date (default %(default)s).',
+        )
+        parser.add_argument('documents', nargs='*',
+            help="One or more files to process")
+
+    def handle(self, *args, **options):
+        #verbosity = options.get("verbosity", 1)
+
+        self.stdout.write("Checking submissions from %s" % options['from'])
+
+        doc_rev = {}
+        events = NewRevisionDocEvent.objects.filter(time__gte=options['from'], doc__type_id='draft').order_by('time')
+        if options['documents']:
+            events = events.filter(doc__name__in=options['documents'])
+        for event in events:
+            if not event.rev:
+                self.stdout.write("Bad revision number: %s %-52s: '%s'" % (event.time, event.doc.name, event.rev))
+                continue
+            rev = int(event.rev.lstrip('0') or '0')
+            doc = event.doc
+            #self.stdout.write("%s %-52s %02s" % (event.time, event.doc.name, event.rev))
+            if doc.name in doc_rev:
+                if rev <= doc_rev[doc.name].rev:
+                    self.stderr.write("%s %-50s %02d -> %02d" % (event.time, event.doc.name, doc_rev[doc.name].rev, rev))
+            doc_rev[doc.name] = RevInfo(doc, event, rev)
+        for doc, event, rev in doc_rev.values():
+            if not doc.rev == event.rev:
+                self.stderr.write("%-50s: doc.rev: %s != event.rev: %s" % (doc.name, doc.rev, event.rev))