Adding dereferencing to taxons and reducing our data-set

app/assets/javascripts/darkswarm/services/enterprises.js.coffee

@@ -1,15 +1,20 @@
-Darkswarm.factory 'Enterprises', (enterprises, CurrentHub, Dereferencer)->
+Darkswarm.factory 'Enterprises', (enterprises, CurrentHub, Taxons, Dereferencer)->
   new class Enterprises
     enterprises_by_id: {} # id/object pairs for lookup 
     constructor: ->
       @enterprises = enterprises
       for enterprise in enterprises
         @enterprises_by_id[enterprise.id] = enterprise
-      @dereference()
+      @dereferenceEnterprises()
+      @dereferenceTaxons()
     
-    dereference: ->
+    dereferenceEnterprises: ->
       if CurrentHub.hub?.id
         CurrentHub.hub = @enterprises_by_id[CurrentHub.hub.id]
       for enterprise in @enterprises
         Dereferencer.dereference enterprise.hubs, @enterprises_by_id
         Dereferencer.dereference enterprise.producers, @enterprises_by_id
+
+    dereferenceTaxons: ->
+      for enterprise in @enterprises 
+        Dereferencer.dereference enterprise.taxons, Taxons.taxons_by_id

app/assets/javascripts/darkswarm/services/taxons.js.coffee

@@ -0,0 +1,8 @@
+Darkswarm.factory "Taxons", (taxons)->
+  new class Taxons
+    taxons: taxons   
+    taxons_by_id: {}
+    constructor: ->
+      for taxon in @taxons
+        @taxons_by_id[taxon.id] = taxon
+

app/helpers/shared_helper.rb

@@ -3,6 +3,10 @@ module SharedHelper
     inject_json_ams "enterprises", Enterprise.all, Api::EnterpriseSerializer, active_distributors: @active_distributors
   end
 
+  def inject_taxons
+    inject_json_ams "taxons", Spree::Taxon.all, Api::TaxonSerializer
+  end
+
   def inject_json(name, partial, opts = {})
     render partial: "json/injection", locals: {name: name, partial: partial}.merge(opts)
   end

app/serializers/api/enterprise_serializer.rb

@@ -55,7 +55,7 @@ class Api::CachedEnterpriseSerializer < ActiveModel::Serializer
     :pickup, :delivery
 
   has_many :distributed_taxons, key: :taxons, serializer: Api::TaxonSerializer
-  has_many :supplied_taxons, serializer: Api::TaxonSerializer
+  has_many :supplied_taxons, serializer: Api::IdSerializer
   has_many :distributors, key: :hubs, serializer: Api::IdSerializer
   has_many :suppliers, key: :producers, serializer: Api::IdSerializer
 

app/views/layouts/darkswarm.html.haml

@@ -28,6 +28,7 @@
     = inject_json "currentOrder", "current_order"
     = inject_json "user", "current_user"
     = inject_json "railsFlash", "flash"
+    = inject_taxons
 
     .off-canvas-wrap{offcanvas: true}
       .inner-wrap

spec/helpers/shared_helper_spec.rb

@@ -32,9 +32,14 @@ describe SharedHelper do
     end
 
     it "injects enterprises" do
-      Enterprise.stub(:visible).and_return [enterprise]
       helper.inject_enterprises().should match enterprise.name
       helper.inject_enterprises().should match enterprise.facebook
     end
+
+    it "injects taxons" do
+      taxon = create(:taxon)
+      helper.inject_taxons.should match taxon.name
+    end
   end
+
 end

spec/javascripts/unit/darkswarm/services/enterprise_spec.js.coffee

@@ -1,8 +1,11 @@
 describe "Enterprises service", ->
   Enterprises = null
   CurrentHubMock = {} 
+  taxons = [
+    {id: 1, name: "test"}
+  ]
   enterprises = [
-    {id: 1, type: "hub", producers: [{id: 2}]},
+    {id: 1, type: "hub", producers: [{id: 2}], taxons: [{id: 1}]},
     {id: 2, type: "producer", hubs: [{id: 1}]},
     {id: 3, type: "producer", hubs: [{id: 1}]}
   ]
@@ -12,6 +15,7 @@ describe "Enterprises service", ->
       $provide.value "CurrentHub", CurrentHubMock 
       null
     angular.module('Darkswarm').value('enterprises', enterprises) 
+    angular.module('Darkswarm').value('taxons', taxons) 
 
     inject ($injector)->
       Enterprises = $injector.get("Enterprises") 
@@ -29,3 +33,6 @@ describe "Enterprises service", ->
   it "dereferences references to other enterprises", ->
     expect(Enterprises.enterprises_by_id["1"].producers[0]).toBe enterprises[1]
     expect(Enterprises.enterprises_by_id["3"].hubs[0]).toBe enterprises[0]
+
+  it "dereferences taxons", ->
+    expect(Enterprises.enterprises[0].taxons[0]).toBe taxons[0]

spec/javascripts/unit/darkswarm/services/taxon_spec.js.coffee

@@ -0,0 +1,16 @@
+describe "Taxons service", ->
+  Taxons = null
+  taxons = [
+    {id: 1, name: "test"}
+    {id: 2, name: "Roger"}
+  ]
+
+  beforeEach ->
+    module('Darkswarm')
+    angular.module('Darkswarm').value 'taxons', taxons 
+
+    inject ($injector)->
+      Taxons = $injector.get("Taxons") 
+
+  it "caches taxons in an id-referenced hash", ->
+    expect(Taxons.taxons_by_id[1]).toBe taxons[0]