update tiers (bug 863491)

migrations/566-add-tiers.py

@@ -0,0 +1,34 @@
+from decimal import Decimal
+
+from market.models import Price
+
+
+def run():
+    print 'Adding in new tiers'
+    for tier in ['0.10', '0.25', '0.50', '12.49']:
+        exists = Price.objects.filter(price=Decimal(tier)).exists()
+        if exists:
+            print 'Tier already exists, skipping: %s' % tier
+            continue
+
+        print 'Created tier: %s' % tier
+        Price.objects.create(name='Tier 0', price=Decimal(tier),
+                             active=True)
+
+    print 'Removing old tiers'
+    for tier in ['5.99', '7.99', '8.99', '10.99', '11.99', '12.99', '13.99',
+                 '15.99', '16.99', '17.99', '18.99', '20.99', '21.99', '22.99',
+                 '23.99', '34.99', '44.99']:
+        try:
+            Price.objects.get(price=Decimal(tier)).update(active=False)
+            print 'Deactivating tier: %s' % tier
+        except Price.DoesNotExist:
+            print 'Tier does not exist, skipping: %s' % tier
+
+    print 'Renaming tiers'
+    for k, tier in enumerate(Price.objects.filter(active=True)
+                                  .order_by('price')):
+        new = 'Tier %s' % k
+        print 'Renaming %s to %s' % (tier.name, new)
+        tier.name = new
+        tier.save()