Inject only relative enterprises into shopfront

Other shops displayed in producer modals are lazy loaded when opening
their modal.

app/assets/javascripts/darkswarm/directives/enterprise_modal.js.coffee

@@ -1,9 +1,15 @@
-Darkswarm.directive "enterpriseModal", ($modal)->
+Darkswarm.directive "enterpriseModal", ($modal, Enterprises, EnterpriseResource) ->
   restrict: 'E'
   replace: true
   template: "<a ng-transclude></a>"
   transclude: true
-  link: (scope, elem, attrs, ctrl)->
-    elem.on "click", (ev)=>
+  link: (scope, elem, attrs, ctrl) ->
+    elem.on "click", (ev) =>
       ev.stopPropagation()
+      params =
+        id: scope.enterprise.id
+      EnterpriseResource.relatives params, (data) =>
+        Enterprises.addEnterprises data
+        scope.enterprise = Enterprises.enterprises_by_id[scope.enterprise.id]
+        Enterprises.dereferenceEnterprise scope.enterprise
       scope.modalInstance = $modal.open(controller: ctrl, templateUrl: 'enterprise_modal.html', scope: scope)

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

@@ -1,6 +1,8 @@
 Darkswarm.factory 'Dereferencer', ->
   new class Dereferencer
-    dereference: (array, data)->
+    dereference: (array, data) ->
       if array
         for object, i in array
-          array[i] = data[object.id]
+          key = undefined
+          key = object.id if object
+          array[i] = data[key]

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

@@ -0,0 +1,8 @@
+Darkswarm.factory 'EnterpriseResource', ($resource) ->
+  $resource('/enterprise/:id.json', {}, {
+    'relatives':
+      method: 'GET'
+      url: '/enterprises/:id/relatives.json'
+      isArray: true
+      cache: true
+  })

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

@@ -1,4 +1,4 @@
-Darkswarm.factory 'Enterprises', (enterprises, CurrentHub, Taxons, Dereferencer, visibleFilter, Matcher, Geo, $rootScope)->
+Darkswarm.factory 'Enterprises', (enterprises, CurrentHub, Taxons, Dereferencer, visibleFilter, Matcher, Geo, $rootScope) ->
   new class Enterprises
     enterprises_by_id: {}
     constructor: ->
@@ -20,14 +20,32 @@ Darkswarm.factory 'Enterprises', (enterprises, CurrentHub, Taxons, Dereferencer,
       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
+        @dereferenceEnterprise enterprise
+
+    dereferenceEnterprise: (enterprise) ->
+      # keep a backup of enterprise ids
+      # in case we dereference again after adding more enterprises
+      if enterprise.hub_references
+        enterprise.hubs = enterprise.hub_references.slice()
+      else
+        enterprise.hub_references = enterprise.hubs.slice()
+      if enterprise.producer_references
+        enterprise.producers = enterprise.producer_references.slice()
+      else
+        enterprise.producer_references = enterprise.producers.slice()
+      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
         Dereferencer.dereference enterprise.supplied_taxons, Taxons.taxons_by_id
 
+    addEnterprises: (new_enterprises) ->
+      return unless new_enterprises && new_enterprises.length
+      for enterprise in new_enterprises
+        @enterprises_by_id[enterprise.id] = enterprise
+
     flagMatching: (query) ->
       for enterprise in @enterprises
         enterprise.matches_name_query = if query? && query.length > 0