fix review 20200313 1

app/controllers/jobs_controller.rb

 class JobsController < ApplicationController
   def show
-    @job_detail = Job.find(params[:id])
+    #@job_detail = Job.find_by_id(params[:id]) > 0 ? Job.find_by_id(params[:id]) : 1
+    job_id = params[:id].to_i > 0 ? params[:id].to_i : 1
+    @job_detail = Job.find_by_id(job_id)
+
   end
 
   def index
@@ -10,7 +13,7 @@ class JobsController < ApplicationController
   end
 
   def search
-    return redirect_to root_path, alert: "Empty field!" if params[:search].nil?
+    return redirect_to root_path, alert: "Empty field!" if params[:search].blank?
 
     @search_job = Job.where("job_name LIKE ?","%#{params[:search]}%")
     @pagin_job = @search_job.page(params[:page]).per(Settings.page)