adds referral rule and fixes segment testing

src/personalisation/middleware.py

@@ -1,4 +1,4 @@
-from personalisation.models import Segment, AbstractBaseRule, TimeRule
+from personalisation.models import Segment, AbstractBaseRule
 
 class SegmentMiddleware(object):
     """Middleware for testing and putting a user in a segment"""
@@ -12,10 +12,9 @@ class SegmentMiddleware(object):
         chosen_segments = []
 
         for segment in segments:
-            result = False
             rules = AbstractBaseRule.objects.filter(segment=segment).select_subclasses()
-            for rule in rules:
-                result = rule.test_user()
+            result = self.test_rules(rules)
+
             if result:
                 chosen_segments.append(segment.encoded_name())
 
@@ -25,3 +24,13 @@ class SegmentMiddleware(object):
         print(request.session['segments'])
 
         return response
+
+
+    def test_rules(self, rules):
+        for rule in rules:
+            result = rule.test_user()
+
+            if result is False:
+                return False
+
+        return True

src/personalisation/migrations/0005_referralrule.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.3 on 2016-11-08 07:47
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('personalisation', '0004_segment_status'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ReferralRule',
+            fields=[
+                ('abstractbaserule_ptr', models.OneToOneField(auto_created=True, on_delete=django.db.models.deletion.CASCADE, parent_link=True, primary_key=True, serialize=False, to='personalisation.AbstractBaseRule')),
+                ('regex_string', models.TextField()),
+            ],
+            bases=('personalisation.abstractbaserule',),
+        ),
+    ]

src/personalisation/models.py

@@ -1,9 +1,8 @@
 from __future__ import absolute_import, unicode_literals
 
-from datetime import datetime, time
+from datetime import datetime
 import re
 
-from django.conf import settings
 from django.db import models
 from django.utils.encoding import python_2_unicode_compatible
 from django.utils.translation import ugettext_lazy as _
@@ -37,7 +36,6 @@ class Segment(ClusterableModel):
         return "".join(self.name.lower().split())
 
 
-
 """
 Base for creating rules to segment users with
 """
@@ -58,7 +56,7 @@ class AbstractBaseRule(models.Model):
 
 
 """
-Time rule to segment users based on the
+Time rule to segment users based on a start and end time
 """
 @python_2_unicode_compatible
 class TimeRule(AbstractBaseRule):