Add support for basic threading.

It works the same as the Mastodon web UI for now - active toot is highlighted,
ancestors displayed in order above, descendants in order below. I hope to
add actual full threading one day.

brutaldon/static/css/brutaldon.css

@@ -8,3 +8,7 @@ img.fav-avatar {
     display: inline;
 
 }
+
+.box.active_context {
+    background-color: #FFF8DC;
+}

brutaldon/static/css/fullbrutalism.css

@@ -192,3 +192,6 @@ img {
     height: 64px;
 }
 
+.box.active_context {
+    background-color: #DDD;
+}

brutaldon/templates/main/thread.html

@@ -0,0 +1,34 @@
+{% extends "base.html" %}
+{% load humanize %}
+
+{% block title %}
+Brutaldon - thread 
+{% endblock %}
+
+{% comment %}
+mastodon.status_context(<numerical id>)
+    # Returns the following dictionary:
+    {
+    'ancestors': # A list of toot dicts
+    'descendants': # A list of toot dicts
+    }
+{% endcomment %}
+
+{% block content %}
+    <h1 class="title">Thread</h1>
+    {% for ancestor in context.ancestors %}
+        <div class="box">
+            {% include "main/toot_partial.html" with toot=ancestor %}
+        </div>
+    {% endfor %}
+    <div class="box active_context">
+        {% include "main/toot_partial.html" with toot=toot %}
+    </div>
+    {% for descendant in context.descendants %}
+        <div class="box">
+            {% include "main/toot_partial.html" with toot=descendant %}
+        </div>
+    {% endfor %}
+
+
+{% endblock %}

brutaldon/templates/main/toot_partial.html

@@ -81,7 +81,7 @@
                 <span class="level-item">
                     {{ toot.visibility }}
                 </span>
-                <a class="level-item" >
+                <a class="level-item" href="{% url "thread" toot.id %}">
                     thread
                 </a>
             </div>

brutaldon/urls.py

@@ -27,5 +27,6 @@ urlpatterns = [
     path('local', views.local, name='local'),
     path('fed', views.fed, name='fed'),
     path('settings', views.settings, name='settings'),
+    path('thread/<int:id>', views.thread, name='thread'),
     path('', views.home),
 ]

brutaldon/views.py

@@ -120,6 +120,14 @@ def note(request):
                   {'notes': notes,'timeline': 'Notifications',
                    'fullbrutalism': fullbrutalism_p(request)})
 
+def thread(request, id):
+    mastodon = get_mastodon(request)
+    context = mastodon.status_context(id)
+    toot = mastodon.status(id)
+    return render(request, 'main/thread.html',
+                  {'context': context, 'toot': toot,
+                   'fullbrutalism': fullbrutalism_p(request)})
+
 
 def settings(request):
     if request.method == 'POST':