Add section elements

app/controllers/suppliers/section_elements_controller.rb

@@ -0,0 +1,31 @@
+module Suppliers
+  class SectionElementsController < Suppliers::ApplicationController
+    def index
+      @section_elements = SectionElement.for_supplier(current_supplier)
+      render json: @section_elements, each_serializer: Suppliers::SectionElementSerializer
+    end
+
+    def create
+      @section_element.supplier = current_supplier
+      if @section_element.save
+        render json: @section_element, serializer: Suppliers::SectionElementSerializer
+      else
+        render json: {errors: @section.errors}, status: :unprocessable_entity
+      end
+    end
+
+    def update
+      if @section_element.update_attributes section_element_params
+        render json: @section_element, serializer: Suppliers::SectionElementSerializer
+      else
+        render json: {errors: @section.errors}, status: :unprocessable_entity
+      end
+    end
+
+    private
+
+    def section_element_params
+      params.require(:section_element).permit %i[name svg dpm box_width box_height position_x position_y rotation svg_element_id section_id]
+    end
+  end
+end