add blogposting schema

Author: JakubMastalerz

tbx/project_styleguide/templates/patterns/navigation/components/breadcrumbs-jsonld.html

@@ -1,5 +1,4 @@
 {% load wagtailcore_tags %}
-{% wagtail_site as current_site %}
 {% if page.breadcrumbs %}
     <script type="application/ld+json">
         {
@@ -10,7 +9,7 @@
                     "@type": "ListItem",
                     "position": {{ forloop.counter }},
                     "name": "{% if crumb.depth == 2 %}Home{% else %}{{ crumb.title|escapejs }}{% endif %}",
-                    "item": "{{ current_site.root_url }}{% pageurl crumb %}"
+                    "item": "{% fullpageurl crumb %}"
                 }{% if not forloop.last %},{% endif %}{% endfor %}
             ]
         }

tbx/project_styleguide/templates/patterns/pages/blog/blog-posting-jsonld.html

@@ -0,0 +1,29 @@
+{% load wagtailcore_tags wagtailimages_tags %}
+<script type="application/ld+json">
+    {
+        "@context": "https://schema.org",
+        "@type": "BlogPosting",
+        "mainEntityOfPage": {
+            "@type": "WebPage",
+            "@id": "{% fullpageurl page %}"
+        },
+        "headline": "{{ page.title|escapejs }}",
+        "description": "{% if page.search_description %}{{ page.search_description|escapejs }}{% elif page.listing_summary %}{{ page.listing_summary|escapejs }}{% endif %}"{% if page.feed_image %},
+            "image": "{% image page.feed_image format-webp width-1200 as blog_image %}{{ blog_image.url }}"{% endif %}{% if page.first_author %},
+                "author": {
+                    "@type": "Person",
+                    "name": "{{ page.first_author.name|escapejs }}"{% if page.first_author.person_page %},
+                        "url": "{% fullpageurl page.first_author.person_page %}"{% endif %}
+                }{% endif %},
+        "publisher": {
+            "@type": "Organization",
+            "name": "Torchbox",
+            "logo": {
+                "@type": "ImageObject",
+                "url": "{% wagtail_site as current_site %}{{ current_site.root_url }}/apple-touch-icon.png"
+            }
+        },
+        "datePublished": "{{ page.date|date:'Y-m-d' }}",
+        "dateModified": "{% if page.last_published_at %}{{ page.last_published_at|date:'Y-m-d' }}{% else %}{{ page.date|date:'Y-m-d' }}{% endif %}"
+    }
+</script>

tbx/project_styleguide/templates/patterns/pages/blog/blog_detail.html

@@ -22,6 +22,10 @@
     {{ block.super }}
 {% endblock %}
 
+{% block extra_jsonld %}
+    {% include "patterns/pages/blog/blog-posting-jsonld.html" %}
+{% endblock %}
+
 {% block content %}
     <div class="grid grid--spacer-large streamfield lg:relative">
         <div class="authors">