From 5507e58fc4c5acf0642fd59cb226d01a4d70b610 Mon Sep 17 00:00:00 2001
From: Michael Palimaka <kensington@gentoo.org>
Date: Wed, 26 Jul 2017 21:10:12 +1000
Subject: Add 404 error handling.

---
 backend/__init__.py         |  6 +++++-
 frontend/templates/404.html | 16 ++++++++++++++++
 2 files changed, 21 insertions(+), 1 deletion(-)
 create mode 100644 frontend/templates/404.html

diff --git a/backend/__init__.py b/backend/__init__.py
index f8bfd6a..f9b859a 100644
--- a/backend/__init__.py
+++ b/backend/__init__.py
@@ -1,4 +1,4 @@
-from flask import Flask
+from flask import render_template, Flask
 from flask_sqlalchemy import SQLAlchemy
 
 app = Flask("frontend") # FIXME: Finish rearranging frontend/backend modules properly instead of pretending to be frontend in backend/__init__ because jinja templates are looked for from <what_is_passed_here>/templates
@@ -13,3 +13,7 @@ GrumpyView.register(app)
 SetupView.register(app)
 
 __all__ = ["app", "db"]
+
+@app.errorhandler(404)
+def not_found(error):
+    return render_template('404.html'), 404
diff --git a/frontend/templates/404.html b/frontend/templates/404.html
new file mode 100644
index 0000000..c945739
--- /dev/null
+++ b/frontend/templates/404.html
@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+{% block content %}
+
+<div class="jumbotron">
+  <i class="fa fa-question-circle" style="color:#ccc;float:right;font-size:100pt;" id="box-icon"></i>
+  <h1 id="box-title">Not Found <small>(404)</small></h1>
+
+  <p><strong>We couldn't find the resource you were trying to request.</strong></p>
+
+  <p>If you've followed a link <strong>on our websites</strong> that led here, please <a href="https://www.gentoo.org/inside-gentoo/contact/">let us know</a> about the broken link.
+  <hr>
+  <p><small>Maybe something is wrong after all, and there's more information available on our <em>Infrastructure Status</em> website:</small></p>
+  <p><a class="btn btn-primary" role="button" href="https://infra-status.gentoo.org/#pk_campaign=err&pk_kwd=404">Visit Infra Status</a></p>
+</div>
+
+{% endblock %}
-- 
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