Bring spree/api/taxons controller from spree_api as it is needed in OFN admin

app/controllers/spree/api/taxons_controller.rb

@@ -0,0 +1,77 @@
+module Spree
+  module Api
+    class TaxonsController < Spree::Api::BaseController
+      respond_to :json
+
+      def index
+        if taxonomy
+          @taxons = taxonomy.root.children
+        else
+          if params[:ids]
+            @taxons = Taxon.where(:id => params[:ids].split(","))
+          else
+            @taxons = Taxon.ransack(params[:q]).result
+          end
+        end
+        respond_with(@taxons)
+      end
+
+      def show
+        @taxon = taxon
+        respond_with(@taxon)
+      end
+
+      def jstree
+        show
+      end
+
+      def create
+        authorize! :create, Taxon
+        @taxon = Taxon.new(params[:taxon])
+        @taxon.taxonomy_id = params[:taxonomy_id]
+        taxonomy = Taxonomy.find_by_id(params[:taxonomy_id])
+
+        if taxonomy.nil?
+          @taxon.errors[:taxonomy_id] = I18n.t(:invalid_taxonomy_id, :scope => 'spree.api')
+          invalid_resource!(@taxon) and return
+        end
+
+        @taxon.parent_id = taxonomy.root.id unless params[:taxon][:parent_id]
+
+        if @taxon.save
+          respond_with(@taxon, :status => 201, :default_template => :show)
+        else
+          invalid_resource!(@taxon)
+        end
+      end
+
+      def update
+        authorize! :update, Taxon
+        if taxon.update_attributes(params[:taxon])
+          respond_with(taxon, :status => 200, :default_template => :show)
+        else
+          invalid_resource!(taxon)
+        end
+      end
+
+      def destroy
+        authorize! :delete, Taxon
+        taxon.destroy
+        respond_with(taxon, :status => 204)
+      end
+
+      private
+
+      def taxonomy
+        if params[:taxonomy_id].present?
+          @taxonomy ||= Taxonomy.find(params[:taxonomy_id])
+        end
+      end
+
+      def taxon
+        @taxon ||= taxonomy.taxons.find(params[:id])
+      end
+
+    end
+  end
+end