Added a data migration to fix up incorrect submission doc events.

 - Legacy-Id: 12073

Author: levkowetz

ietf/submit/migrations/0015_fix_bad_submission_docevents.py

@@ -0,0 +1,58 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+import debug                            # pyflakes:ignore
+
+verbose = False
+def note(s):
+    if verbose:
+        print(s)
+
+class Migration(migrations.Migration):
+    
+    def clean_up_bad_docevent_dates(apps, schema_editor):
+        DocEvent = apps.get_model('doc', 'DocEvent')
+        events = DocEvent.objects.filter(time__gt='2016-09-10', doc__type='draft').order_by('id')
+        docs = set()
+        for e in events:
+            docs.add(e.doc)
+        for doc in docs:
+            docevents = events.filter(doc=doc)
+            prev = docevents.first()
+            doc_shown = False
+            prev_shown = False
+            new_rev_msgs = []
+            for e in docevents:
+                if e.type == 'new_revision':
+                    new_rev_msgs.append(e.desc)
+                if e.time < prev.time:
+                    if not doc_shown:
+                        note("\n%s:" % doc.name)
+                        doc_shown = True
+                    if not prev_shown:
+                        note("\n   ---- %s: %-14s %s" % (prev.time, prev.type, prev.desc))
+                        prev_shown = True
+                    note((u"   bad: %s: %-14s %s" % (e.time, e.type, e.desc)).encode('utf8'))
+                    if e.type == 'new_revision' and e.desc in new_rev_msgs:
+                        note(" * deleting duplicate new_revision event")
+                        e.newrevisiondocevent.delete()
+                    else:
+                        note((u" * fixing time of event %s %s" % (e.time, e.desc)).encode('utf8'))
+                        e.time = prev.time
+                        e.save()
+                else:
+                    prev = e
+                    prev_shown = False
+
+    def noop(apps, schema_editor):
+        pass
+
+    dependencies = [
+        ('submit', '0014_auto_20160627_1945'),
+    ]
+
+    operations = [
+        migrations.RunPython(clean_up_bad_docevent_dates, noop)
+    ]