Improve pagination data in bulk products

app/assets/javascripts/admin/services/bulk_products.js.coffee

@@ -1,15 +1,13 @@
-angular.module("ofn.admin").factory "BulkProducts", (PagedFetcher, dataFetcher, $http) ->
+angular.module("ofn.admin").factory "BulkProducts", (ProductResource, dataFetcher, $http) ->
   new class BulkProducts
     products: []
+    pagination: {}
 
-    fetch: (filters, onComplete) ->
-      queryString = filters.reduce (qs,f) ->
-        return qs + "q[#{f.property.db_column}_#{f.predicate.predicate}]=#{f.value};"
-      , ""
-
-      url = "/api/products/bulk_products?page=::page::;per_page=20;#{queryString}"
-      processData = (data) => @addProducts data.products
-      PagedFetcher.fetch url, processData, onComplete
+    fetch: (params) ->
+      ProductResource.index params, (data) =>
+        @products.length = 0
+        @addProducts data.products
+        angular.extend(@pagination, data.pagination)
 
     cloneProduct: (product) ->
       $http.post("/api/products/" + product.id + "/clone").success (data) =>

app/controllers/api/products_controller.rb

@@ -118,7 +118,15 @@ module Api
         each_serializer: Api::Admin::ProductSerializer
       )
 
-      render text: { products: serializer, pages: products.num_pages }.to_json
+      render text: {
+        products: serializer,
+        pagination: {
+          results: products.total_count,
+          pages: products.num_pages,
+          page: params[:page].to_i,
+          per_page: params[:per_page].to_i
+        }
+      }.to_json
     end
   end
 end