add Tags, Properties and Categories

backend/toolshed/serializers.py

@@ -1,5 +1,6 @@
 from rest_framework import serializers
 from authentication.models import KnownIdentity
+from toolshed.models import Category, Property
 
 
 class FriendSerializer(serializers.ModelSerializer):
@@ -11,3 +12,20 @@ class FriendSerializer(serializers.ModelSerializer):
 
     def get_username(self, obj):
         return obj.username + '@' + obj.domain
+
+
+class PropertySerializer(serializers.ModelSerializer):
+    category = serializers.SlugRelatedField(queryset=Category.objects.all(), slug_field='name')
+
+    class Meta:
+        model = Property
+        fields = ['name', 'description', 'category', 'unit_symbol', 'unit_name', 'unit_name_plural', 'base2_prefix']
+
+
+class CategorySerializer(serializers.ModelSerializer):
+    class Meta:
+        model = Category
+        fields = ['name']
+
+    def to_representation(self, instance):
+        return str(instance)