Add redirects

common/app/routes/Jobs/components/Show.jsx

@@ -1,5 +1,10 @@
+import React, { createClass } from 'react';
+import { History } from 'react-router';
 import { contain } from 'thundercats-react';
+
 import ShowJob from './ShowJob.jsx';
+import JobNotFound from './JobNotFound.jsx';
+import { isJobValid } from '../utils';
 
 export default contain(
   {
@@ -20,5 +25,26 @@ export default contain(
       return job.id !== id;
     }
   },
-  ShowJob
+  createClass({
+    displayName: 'Show',
+
+    mixins: [History],
+
+    componentDidMount() {
+      const { job } = this.props;
+      // redirect user in client
+      if (!isJobValid(job)) {
+        this.history.pushState(null, '/jobs');
+      }
+    },
+
+    render() {
+      const { job } = this.props;
+
+      if (!isJobValid(job)) {
+        return <JobNotFound />;
+      }
+      return <ShowJob { ...this.props }/>;
+    }
+  })
 );