Add #flipper_enabled? to ActiveRecord models

lib/flipper/model/active_record.rb

@@ -7,6 +7,25 @@ module ActiveRecord
       def flipper_properties
         {"type" => self.class.name}.merge(attributes)
       end
+
+      # Check if a feature is enabled for this record or any associated actors
+      # returned by `#flipper_actors`
+      def flipper_enabled?(feature_name)
+        Flipper.enabled?(feature_name, *flipper_actors)
+      end
+
+      # Returns the set of actors associated with this record. Override to
+      # return any other records that should be considered actors.
+      #
+      #   class User < ApplicationRecord
+      #     # …
+      #     def flipper_actors
+      #       [self, company]
+      #     end
+      #   end
+      def flipper_actors
+        [self]
+      end
     end
   end
 end

spec/flipper/model/active_record_spec.rb

@@ -45,4 +45,33 @@ class User < ActiveRecord::Base
       })
     end
   end
+
+  describe "flipper_enabled?" do
+    subject { User.create!(name: "Test") }
+
+    it "delegates to Flipper.enabled?" do
+      expect(subject.flipper_enabled?(:stats)).to be(false)
+      Flipper.enable :stats, subject
+      expect(subject.flipper_enabled?(:stats)).to be(true)
+    end
+
+    it "returns true if feature is enabled for associated actor" do
+      friend = User.create!(name: "Friend")
+
+      # Add a flipper_actors method to this instanc
+      subject.extend Module.new {
+        attr_accessor :friends
+
+        def flipper_actors
+          [self] + Array(friends)
+        end
+      }
+
+      subject.friends = [friend]
+
+      expect(subject.flipper_enabled?(:stats)).to be(false)
+      Flipper.enable :stats, friend
+      expect(subject.flipper_enabled?(:stats)).to be(true)
+    end
+  end
 end