Add edit button on page website view

aircox/templates/aircox/base.html

@@ -56,6 +56,10 @@ Usefull context:
                             {% endfor %}
                             {% endblock %}
                         </div>
+                        <div class="navbar-end">
+                            {% block top-nav-tools %}
+                            {% endblock %}
+                        </div>
                     </div>
                 </div>
             </nav>

aircox/templates/aircox/page_detail.html

@@ -1,5 +1,5 @@
 {% extends "aircox/basepage_detail.html" %}
-{% load static i18n humanize honeypot %}
+{% load static i18n humanize honeypot aircox %}
 {% comment %}
 Base template used to display a Page
 
@@ -14,6 +14,18 @@ Context:
 {% endif %}
 {% endblock %}
 
+{% block top-nav-tools %}
+{% has_perm page "change" as can_edit %}
+{% if can_edit %}
+<a class="navbar-item" href="{{ page|admin_url:'change' }}">
+    <span class="icon is-small">
+        <i class="fa fa-pen"></i>
+    </span>&nbsp;
+    <span>{% trans "Edit" %}</span>
+</a>
+{% endif %}
+{% endblock %}
+
 {% block main %}
 {{ block.super }}
 

aircox/templatetags/aircox.py

@@ -2,6 +2,8 @@ import random
 import json
 
 from django import template
+from django.contrib.admin.templatetags.admin_urls import admin_urlname
+from django.urls import reverse
 from django.utils.safestring import mark_safe
 
 from aircox.models import Page, Diffusion, Log
@@ -10,6 +12,12 @@ random.seed()
 register = template.Library()
 
 
+@register.filter(name='admin_url')
+def do_admin_url(obj, arg, pass_id=True):
+    """ Reverse admin url for object """
+    name = admin_urlname(obj._meta, arg)
+    return reverse(name, args=(obj.id,)) if pass_id else reverse(name)
+    
 @register.filter(name='get_tracks')
 def do_get_tracks(obj):
     """ Get a list of track for the provided log, diffusion, or episode """
@@ -20,6 +28,14 @@ def do_get_tracks(obj):
         obj = obj.episode
     return obj.track_set.all()
 
+@register.simple_tag(name='has_perm', takes_context=True)
+def do_has_perm(context, obj, perm, user=None):
+    """ Return True if ``user.has_perm('[APP].[perm]_[MODEL]')`` """
+    if user is None:
+        user = context['request'].user
+    return user.has_perm('{}.{}_{}'.format(
+        obj._meta.app_label, perm, obj._meta.model_name))
+
 @register.filter(name='is_diffusion')
 def do_is_diffusion(obj):
     """ Return True if object is a Diffusion. """