Add QR Code link to My Stuff

Clicking the link will show a page with a QR Code linking to the previous page

changelog.d/+qr-code-my-stuff.added.md

@@ -0,0 +1 @@
+Add link to My Stuff that leads to a generated QR Code linking to the page it is called from

python/nav/web/templates/base.html

@@ -100,6 +100,7 @@ <h1>
  <li><a href="{{ link.uri }}">{{ link.name }}</a></li>
  {% endfor %}
  <li class="divider"><a href="{% url 'webfront-preferences' %}">My account <i class="fa fa-gear"></i></a></li>
+ <li class="divider"><a href="{% url 'webfront-qr-code' %}">QR Code <i class="fa fa-qrcode"></i></a></li>
  </ul>
  </li>
  {% endif %}

python/nav/web/templates/webfront/qr_code.html

@@ -0,0 +1,14 @@
+{% extends "base.html" %}
+
+{% load crispy_forms_tags %}
+
+{% block base_header_additional_head %}
+<link rel="stylesheet" href="{{ STATIC_URL }}css/nav.css" />
+<script>require(['src/navigation_preferences']);</script>
+{% endblock %}
+
+{% block base_content %}
+
+ <img src="data:image/png;base64,{{qr_code}}" alt="QR Code linking to previous side">
+
+{% endblock %}

python/nav/web/webfront/urls.py

@@ -97,4 +97,5 @@
  views.set_account_preference,
  name='set-account-preference',
  ),
+ re_path(r'^qr-code/$', views.qr_code, name='webfront-qr-code'),
 ]

python/nav/web/webfront/views.py

@@ -21,6 +21,7 @@
 import json
 import logging
 from operator import attrgetter
+import re
 from urllib.parse import quote as urlquote
 
 from django.http import (
@@ -41,6 +42,7 @@
 from nav.web import auth
 from nav.web.auth import ldap
 from nav.web.auth.utils import set_account
+from nav.web.seeddb.utils.generate_qr_code import generate_qr_code
 from nav.web.utils import require_param
 from nav.web.webfront.utils import quick_read, tool_list
 from nav.web.webfront.forms import (
@@ -325,6 +327,23 @@ def preferences(request):
  return render(request, 'webfront/preferences.html', context)
 
 
+def qr_code(request):
+ """Show qr code linking to previous page"""
+ url = request.headers["referer"]
+ stripped_url = re.sub("https?://", "", url)
+
+ context = {
+ 'navpath': [('Home', '/'), ('QR Code', None)],
+ 'title': 'QR Code',
+ 'qr_code': generate_qr_code(
+ url=url,
+ name=stripped_url,
+ ),
+ }
+
+ return render(request, 'webfront/qr_code.html', context)
+
+
 @sensitive_post_parameters('old_password', 'new_password1', 'new_password2')
 def change_password(request):
  """Handles POST requests to change a users password"""