Report false for can_rate for non-purchased paid apps. (bug 882774)

mkt/ratings/resources.py

@@ -204,7 +204,11 @@ def alter_list_data_to_serialize(self, request, data):
             if not request.user.is_anonymous():
                 filters['user'] = request.user
                 existing_review = Review.objects.valid().filter(**filters)
-                data['user'] = {'can_rate': not addon.has_author(request.user),
+                if addon.is_premium():
+                    can_rate = addon.has_purchased(request.amo_user)
+                else:
+                    can_rate = not addon.has_author(request.user)
+                data['user'] = {'can_rate': can_rate,
                                 'has_rated': existing_review.exists()}
             else:
                 data['user'] = None

mkt/ratings/tests/test_resources.py

@@ -6,6 +6,7 @@
 import amo
 from addons.models import AddonUser
 from amo.tests import AMOPaths
+from market.models import AddonPurchase
 from reviews.models import Review, ReviewFlag
 from users.models import UserProfile
 
@@ -156,6 +157,17 @@ def test_already_rated(self):
         assert data['user']['can_rate']
         assert data['user']['has_rated']
 
+    def test_can_rate_unpurchased(self):
+        self.app.update(premium_type=amo.ADDON_PREMIUM)
+        res = self.client.get(self._collection_url())
+        assert not res.json['user']['can_rate']
+
+    def test_can_rate_purchased(self):
+        self.app.update(premium_type=amo.ADDON_PREMIUM)
+        AddonPurchase.objects.create(addon=self.app, user=self.user)
+        res = self.client.get(self._collection_url())
+        assert res.json['user']['can_rate']
+
     def _create(self, data=None, anonymous=False):
         default_data = {
             'app': self.app.id,
@@ -215,6 +227,12 @@ def test_rate_unpurchased_premium(self):
         res, data = self._create()
         eq_(403, res.status_code)
 
+    def test_rate_purchased_premium(self):
+        self.app.update(premium_type=amo.ADDON_PREMIUM)
+        AddonPurchase.objects.create(addon=self.app, user=self.user)
+        res, data = self._create()
+        eq_(201, res.status_code)
+
     def _update(self, updated_data):
         # Create the original review
         default_data = {