add embed info

app/item/views.py

@@ -59,6 +59,7 @@ def item(request, id):
     ):
         raise Http404
     context['item'] = item
+    context['url'] = request.build_absolute_uri(item.get_absolute_url())
     qs = item.comments.order_by('created')
     if not request.user.is_staff:
         q = ~Q(published=None)

app/templates/item.html

@@ -1,6 +1,18 @@
 {% extends "base.html" %}
 {% load static sass_tags compress %}
 {% block head %}
+    <title>{{ item.title }} - {{ settings.SITENAME }}</title>
+    <meta name="title" content="{{ item.title }}"/>
+    <meta property="og:title" content="{{ item.title }}"/>
+    {% if item.data.thumbnail %}
+    <meta content="{{ item.data.thumbnail }}" name="thumbnail"/>
+    <meta content="{{ item.data.thumbnail }}" name="image_src"/>
+    <meta property="og:image" content="{{ item.data.thumbnail }}"/>
+    {% endif %}
+    {% if url %}
+    <meta property="og:url" content="{{ url }}"/>
+    {% endif %}
+    <meta property="og:site_name" content="{{ settings.SITENAME }}"/>
 {% endblock %}
 {% block main %}
     <div class="content">