Refactoring Grape API methods into normal controllers & other things

app/controllers/api/salmon_controller.rb

@@ -0,0 +1,14 @@
+class Api::SalmonController < ApplicationController
+  before_action :set_account
+
+  def update
+    ProcessInteractionService.new.(request.body.read, @account)
+    render nothing: true, status: 201
+  end
+
+  private
+
+  def set_account
+    @account = Account.find(params[:id])
+  end
+end