Making TagRule autocomplete available to models other than Customer

Incorporate ng admin.tags module and rails TagController into existing admin.tagRules module + TagRuleController

app/assets/javascripts/admin/customers/controllers/customers_controller.js.coffee

@@ -1,4 +1,4 @@
-angular.module("admin.customers").controller "customersCtrl", ($scope, CustomerResource, TagsResource, $q, Columns, pendingChanges, shops) ->
+angular.module("admin.customers").controller "customersCtrl", ($scope, CustomerResource, TagRuleResource, $q, Columns, pendingChanges, shops) ->
   $scope.shop = {}
   $scope.shops = shops
   $scope.submitAll = pendingChanges.submitAll
@@ -16,7 +16,7 @@ angular.module("admin.customers").controller "customersCtrl", ($scope, CustomerR
     defer = $q.defer()
     params =
       enterprise_id: $scope.shop.id
-    TagsResource.index params, (data) =>
+    TagRuleResource.mapByTag params, (data) =>
       filtered = data.filter (tag) ->
         tag.text.toLowerCase().indexOf(query.toLowerCase()) != -1
       defer.resolve filtered

app/assets/javascripts/admin/customers/customers.js.coffee

@@ -1 +1 @@
-angular.module("admin.customers", ['ngResource', 'ngTagsInput', 'admin.indexUtils', 'admin.utils', 'admin.dropdown'])
+angular.module("admin.customers", ['ngResource', 'admin.tagRules', 'admin.indexUtils', 'admin.utils', 'admin.dropdown'])

app/assets/javascripts/admin/customers/services/tags_resource.js.coffee

@@ -1,9 +0,0 @@
-angular.module("admin.customers").factory 'TagsResource', ($resource) ->
-  $resource('/admin/tags.json', {}, {
-    'index':
-      method: 'GET'
-      isArray: true
-      cache: true
-      params:
-        enterprise_id: '@enterprise_id'
-  })

app/assets/javascripts/admin/shipping_methods/controllers/shipping_method_controller.js.coffee

@@ -1,2 +1,10 @@
-angular.module("admin.shippingMethods").controller "shippingMethodCtrl", ($scope, shippingMethod) ->
+angular.module("admin.shippingMethods").controller "shippingMethodCtrl", ($scope, shippingMethod, TagRuleResource, $q) ->
   $scope.shippingMethod = shippingMethod
+
+  $scope.findTags = (query) ->
+    defer = $q.defer()
+    TagRuleResource.mapByTag (data) =>
+      filtered = data.filter (tag) ->
+        tag.text.toLowerCase().indexOf(query.toLowerCase()) != -1
+      defer.resolve filtered
+    defer.promise

app/assets/javascripts/admin/shipping_methods/shipping_methods.js.coffee

@@ -1 +1 @@
-angular.module("admin.shippingMethods", ["ngTagsInput", 'admin.utils', 'templates'])
+angular.module("admin.shippingMethods", ["ngTagsInput", 'admin.utils', 'admin.tagRules', 'templates'])

app/assets/javascripts/admin/tag_rules/services/tag_rule_resource.js.coffee

@@ -0,0 +1,10 @@
+angular.module("admin.tagRules").factory 'TagRuleResource', ($resource) ->
+  $resource('/admin/tag_rules/:action.json', {}, {
+    'mapByTag':
+      method: 'GET'
+      isArray: true
+      cache: true
+      params:
+        action: 'map_by_tag'
+        enterprise_id: '@enterprise_id'
+  })

app/assets/javascripts/admin/tag_rules/tag_rules.js.coffee

@@ -1 +1 @@
-angular.module("admin.tagRules", ['ngTagsInput'])
+angular.module("admin.tagRules", ['ngResource', 'ngTagsInput'])