Added OpenGraph data for blog posts

4 files changed, 20 insertions, 0 deletions

@@ -82,3 +82,4 @@ gem 'rouge'
 gem 'akismet'
 gem 'active_storage_validations'
 gem "image_processing", ">= 1.2"
+gem "meta-tags"
@@ -198,6 +198,8 @@ GEM
       net-pop
       net-smtp
     marcel (1.0.2)
+    meta-tags (2.19.0)
+      actionpack (>= 3.2.0, < 7.2)
     method_source (1.0.0)
     mime-types (3.5.1)
       mime-types-data (~> 3.2015)
@@ -373,6 +375,7 @@ DEPENDENCIES
   js-routes
   lingo!
   listen (>= 3.0.5, < 3.2)
+  meta-tags
   mini_racer
   mysql2
   normalize-rails
@@ -1,3 +1,5 @@
+require 'redcarpet/render_strip'
+
 class BlogsController < ApplicationController
 
   def summary
@@ -21,6 +23,19 @@ class BlogsController < ApplicationController
 
     raise ActiveRecord::RecordNotFound unless @blog
     raise ActiveRecord::RecordNotFound unless @blog.published
+
+    body = Redcarpet::Markdown.new(Redcarpet::Render::StripDown).render(@blog.body)
+
+    set_meta_tags(og: {
+      title: @blog.title,
+      type: "article",
+      description: (body.length <= 300 ? body : body[0..299]),
+      url: blog_url(@blog, host: "www.fourisland.com"),
+      article: {
+        published_time: @blog.published_at.iso8601,
+        modified_time: @blog.updated_at.iso8601
+      }
+    })
   end
 
 end
@@ -5,6 +5,7 @@
     = csrf_meta_tags
     = stylesheet_link_tag    'main', media: 'all', 'data-turbolinks-track': 'reload'
     = javascript_include_tag 'application', 'data-turbolinks-track': 'reload'
+    = display_meta_tags og: { site_name: "Four Island" }
   %body#main-body
     - if flash[:alert]
       %div#flash.flash-alert= flash[:alert]