versions: has_files

apps/versions/models.py

@@ -46,6 +46,10 @@ class Version(amo.models.ModelBase):
         """Get a list of supported platform names."""
         return list(set(f.platform.name for f in self.files.all()))
 
+    @amo.cached_property
+    def has_files(self):
+        return bool(self.files.count())
+
 
 class License(amo.models.ModelBase):
     """

apps/versions/tests.py

@@ -47,6 +47,13 @@ class TestVersion(test.TestCase):
         eq_(v.minor2, None)
         eq_(v.minor3, None)
 
+    def test_has_files(self):
+        v = Version.objects.get(pk=24007)
+        assert v.has_files, 'Version with files not recognized.'
+
+        v = Version.objects.get(pk=2)
+        assert not v.has_files, 'Version without files not recognized.'
+
 
 class TestLicense(test.TestCase):
     """Test built-in as well as custom licenses."""