Issue 5329 - Provide a template for social media meta data in website-defaults

includes/meta/social.tmpl

Index: includes/meta/social.tmpl
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new file mode 100644
--- /dev/null
+++ b/includes/meta/social.tmpl
@@ -0,0 +1,53 @@
+{% from "macros/meta-tag" import meta_tag %}
+
+{% set social_media_meta = [
+  ('og:url', 
+    og_url, 
+    get_canonical_url(page)),
+  ('og:type', 
+    og_type, 
+    'website'),
+  ('og:site_name', 
+    og_site_name, 
+    get_string('name', 'site') if has_string('name', 'site') else None),
+  ('og:title', 
+    og_title | translate('og-title', 'Meta data') if og_title, 
+    title | translate('title', 'Meta data') if title else None),
+  ('og:description', 
+    og_description | translate('og-description', 'Meta data') if og_description, 
+    description | translate('page-description', 'Meta data') if description),
+  ('og:image', 
+    og_image, 
+    featured_img_url),
+  ('og:image:alt', 
+    og_image_alt, 
+    featured_img_alt),
+  ('og:locale', 
+    og_locale, 
+    locale | to_og_locale),
+  
+  ('twitter:site', 
+    '@' + twitter_site if twitter_site, 
+    '@' + config.get('social', 'twitter') if config.has_option('social', 'twitter') else '@eyeo'),
+  ('twitter:card', 
+    twitter_card, 
+    'summary_large_image' if og_image or twitter_image or featured_img_url else 'summary'),
+  ('twitter:image', 
+    twitter_image, 
+    featured_img_url),
+  ('twitter:image:alt', 
+    twitter_image_alt, 
+    featured_img_alt),
+
+  ('fb:app_id', 
+    facebook_id, 
+    config.get('social', 'facebook_id') if config.has_option('social', 'facebook_id')),
+
+  ('p:domain_verify', 
+    pinterest_id, 
+    config.has_option('social', 'pinterest_id') if config.has_option('social', 'pinterest_id')),
+] %}
+
+{% for property, content, defaultContent in social_media_meta %}
+  {{ meta_tag(property, content, defaultContent) }}
+{% endfor %}