Create and track a mapping between bug ids and messageids

Not used yet (though a prototype redirect view is present) since we need
to populate it with data from the past, but with this we start
collecting the mapping for future bugs.

pgweb/misc/migrations/0001_bugidmap.py

@@ -0,0 +1,23 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.10 on 2019-01-17 08:41
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='BugIdMap',
+            fields=[
+                ('id', models.IntegerField(primary_key=True, serialize=False)),
+                ('messageid', models.CharField(max_length=500)),
+            ],
+        ),
+    ]

pgweb/misc/models.py

@@ -1,3 +1,7 @@
-#from django.db import models
+from django.db import models
 
-# Create your models here.
+class BugIdMap(models.Model):
+	# Explicit id field because we don't want a SERIAL here, since we generate
+	# the actual bug IDs externally.
+	id = models.IntegerField(null=False, blank=False, primary_key=True)
+	messageid = models.CharField(max_length=500, null=False, blank=False)

pgweb/misc/views.py

@@ -1,6 +1,7 @@
 from pgweb.util.decorators import login_required
-from django.http import HttpResponse
-from django.db import connection
+from django.http import HttpResponse, HttpResponseRedirect
+from django.db import connection, transaction
+from django.shortcuts import get_object_or_404
 from django.conf import settings
 
 import os
@@ -12,6 +13,7 @@ from pgweb.util.helpers import template_to_string
 from pgweb.util.misc import send_template_mail
 
 from pgweb.core.models import Version
+from pgweb.misc.models import BugIdMap
 
 from forms import SubmitBugForm
 
@@ -26,10 +28,15 @@ def submitbug(request):
 	if request.method == 'POST':
 		form = SubmitBugForm(request.POST)
 		if form.is_valid():
+			with transaction.atomic():
 				c = connection.cursor()
 				c.execute("SELECT nextval('bug_id_seq')")
 				bugid = c.fetchall()[0][0]
 
+				messageid = _make_bugs_messageid(bugid)
+
+				BugIdMap(id=bugid, messageid=messageid.strip('<>')).save()
+
 				send_template_mail(
 					settings.BUGREPORT_NOREPLY_EMAIL,
 					settings.BUGREPORT_EMAIL,
@@ -43,7 +50,7 @@ def submitbug(request):
 					cc=form.cleaned_data['email'],
 					replyto='%s, %s' % (form.cleaned_data['email'], settings.BUGREPORT_EMAIL),
 					sendername="PG Bug reporting form",
-				messageid=_make_bugs_messageid(bugid),
+					messageid=messageid,
 				)
 
 				return render_pgweb(request, 'support', 'misc/bug_completed.html', {
@@ -69,6 +76,11 @@ def submitbug(request):
 	})
 
 
+def bugs_redir(request, bugid):
+	r = get_object_or_404(BugIdMap, id=bugid)
+
+	return HttpResponseRedirect("{0}/message-id/{1}".format(settings.SITE_ROOT, r.messageid))
+
 # A crash testing URL. If the file /tmp/crashtest exists, raise a http 500
 # error. Otherwise, just return a fixed text response
 def crashtest(request):

pgweb/urls.py

@@ -83,6 +83,7 @@ urlpatterns = [
 	url(r'^account/submitbug/$', pgweb.misc.views.submitbug),
 	url(r'^support/submitbug/$', RedirectView.as_view(url='/account/submitbug/', permanent=True)),
 	url(r'^support/versioning/$', pgweb.core.views.versions),
+	url(r'^bugs_redir/(\d+)/$', pgweb.misc.views.bugs_redir),
 
 	url(r'^about/sponsors/$', pgweb.sponsors.views.sponsors),
 	url(r'^about/servers/$', pgweb.sponsors.views.servers),