Set up producer filters on group producers page

app/assets/javascripts/darkswarm/controllers/group_enterprises_controller.js.coffee

@@ -8,3 +8,6 @@ Darkswarm.controller "GroupEnterprisesCtrl", ($scope, Search, FilterSelectorsSer
 
   $scope.$watch "query", (query)->
     Search.search query
+
+  $scope.$watch "filtersActive", (value) ->
+    $scope.$broadcast 'filtersToggled'

app/views/groups/show.html.haml

@@ -67,7 +67,7 @@
                   .small-12.columns
                     .active_table
                       %producer.active_table_node.row.animate-repeat{id: "{{producer.path}}",
-                      "ng-repeat" => "producer in filteredEnterprises = (group_producers | searchEnterprises:query | taxons:activeTaxons)",
+                      "ng-repeat" => "producer in filteredEnterprises = (group_producers | searchEnterprises:query | taxons:activeTaxons | properties:activeProperties)",
                       "ng-controller" => "GroupEnterpriseNodeCtrl",
                       "ng-class" => "{'closed' : !open(), 'open' : open(), 'inactive' : !producer.active}",
                       id: "{{producer.hash}}"}

spec/features/consumer/groups_spec.rb

@@ -9,11 +9,49 @@ feature 'Groups', js: true do
 
   it "renders groups" do
     visit groups_path
-    page.should have_content group.name
+    expect(page).to have_content group.name
   end
 
   it "searches by URL" do
     visit groups_path(anchor:  "/?query=xyzzy")
     expect(page).to have_content "No groups found"
   end
+
+  describe "producers" do
+    describe "filtering by product property" do
+      let!(:producer1) { create(:supplier_enterprise) }
+      let!(:producer2) { create(:supplier_enterprise) }
+
+      let!(:product1) { create(:simple_product, supplier: producer1) }
+      let!(:product2) { create(:simple_product, supplier: producer2) }
+
+      before do
+        product1.set_property 'Organic', 'NASAA 12345'
+        product2.set_property 'Biodynamic', 'ABC123'
+
+        producer1.set_producer_property 'Local', 'Victoria'
+        producer2.set_producer_property 'Fair Trade', 'FT123'
+
+        group.enterprises << producer1
+        group.enterprises << producer2
+
+        visit group_path(group, anchor: "/producers")
+      end
+
+      it "filters" do
+        toggle_filters
+
+        toggle_filter 'Organic'
+
+        expect(page).to     have_content producer1.name
+        expect(page).not_to have_content producer2.name
+
+        toggle_filter 'Organic'
+        toggle_filter 'Fair Trade'
+
+        expect(page).not_to have_content producer1.name
+        expect(page).to     have_content producer2.name
+      end
+    end
+  end
 end