exposing spell data.

api_v2/models/spell.py

@@ -118,7 +118,6 @@ class Spell(HasName, HasDescription, FromDocument):
         choices = SPELL_EFFECT_SHAPE_CHOICES,
         help_text = 'The shape of the area of effect.')
 
-
     shape_size = distance_field()
     shape_size_unit = distance_unit_field()
 
@@ -129,7 +128,16 @@ class Spell(HasName, HasDescription, FromDocument):
     def casting_options(self):
         """Options for casting the spell."""
         return self.spellcastingoption_set
-
+
+    def get_shape_size_unit(self):
+        if self.shape_size_unit is None:
+            return self.document.distance_unit
+        return self.shape_size_unit
+
+    def get_range_unit(self):
+        if self.range_unit is None:
+            return self.document.distance_unit
+        return self.range_unit
 
 class SpellCastingOption(models.Model):
     """An object representing an alternative way to cast a spell."""

api_v2/serializers/spell.py

@@ -24,6 +24,16 @@ class SpellSerializer(GameContentSerializer):
     casting_options = SpellCastingOptionSerializer(many=True)
     school = SpellSchoolSerializer()
 
+    range_unit = serializers.SerializerMethodField()
+    shape_size_unit = serializers.SerializerMethodField()
+
+    def get_range_unit(self, spell):
+        return spell.get_range_unit()
+
+    def get_shape_size_unit(self, spell):
+        return spell.get_shape_size_unit()
+
+
     class Meta:
         model = models.Spell
         fields = '__all__'