First stab at oneboxing of meta.discourse.org

lib/oneboxer/discourse_local_onebox.rb

@@ -0,0 +1,88 @@
+require_dependency 'oneboxer/oembed_onebox'
+require_dependency 'freedom_patches/rails4'
+
+module Oneboxer
+  class DiscourseLocalOnebox < BaseOnebox
+    include ActionView::Helpers::DateHelper
+
+    matcher do
+      Regexp.new "^#{Discourse.base_url.gsub(".","\\.")}.*$", true
+    end
+
+    def onebox
+      uri = URI::parse(@url)
+      route = Rails.application.routes.recognize_path(uri.path)
+
+      args = {original_url: @url}
+
+      # Figure out what kind of onebox to show based on the URL
+      case route[:controller]
+      when 'users'
+        user = User.where(username_lower: route[:username].downcase).first
+        Guardian.new.ensure_can_see!(user)
+
+        args.merge! avatar: PrettyText.avatar_img(user.username, 'tiny'), username: user.username
+        args[:bio] = user.bio_cooked if user.bio_cooked.present?
+
+        @template = 'user'
+      when 'topics'
+        if route[:post_number].present? && route[:post_number].to_i > 1
+          # Post Link
+          post = Post.where(topic_id: route[:topic_id], post_number: route[:post_number].to_i).first
+          Guardian.new.ensure_can_see!(post)
+
+          topic = post.topic
+          slug = Slug.for(topic.title)
+
+          excerpt = post.excerpt(SiteSetting.post_onebox_maxlength)
+          excerpt.gsub!("\n"," ")
+          # hack to make it render for now
+          excerpt.gsub!("[/quote]", "[quote]")
+          quote = "[quote=\"#{post.user.username}, topic:#{topic.id}, slug:#{slug}, post:#{post.post_number}\"]#{excerpt}[/quote]"
+
+          cooked = PrettyText.cook(quote)
+          return cooked
+
+        else
+          # Topic Link
+          topic = Topic.where(id: route[:topic_id].to_i).includes(:user).first
+          post = topic.posts.first
+          Guardian.new(nil).ensure_can_see!(topic)
+
+          posters = topic.posters_summary.map do |p|
+            {username: p[:user][:username],
+             avatar: PrettyText.avatar_img(p[:user][:username], 'tiny'),
+             description: p[:description],
+             extras: p[:extras]}
+          end
+
+          category = topic.category
+          if category
+            category = "<a href=\"/category/#{category.name}\" class=\"badge badge-category\" style=\"background-color: ##{category.color}\">#{category.name}</a>"
+          end
+
+          quote = post.excerpt(SiteSetting.post_onebox_maxlength)
+          args.merge! title: topic.title,
+                      avatar: PrettyText.avatar_img(topic.user.username, 'tiny'),
+                      posts_count: topic.posts_count,
+                      last_post: FreedomPatches::Rails4.time_ago_in_words(topic.last_posted_at, false, scope: :'datetime.distance_in_words_verbose'),
+                      age: FreedomPatches::Rails4.time_ago_in_words(topic.created_at, false, scope: :'datetime.distance_in_words_verbose'),
+                      views: topic.views,
+                      posters: posters,
+                      quote: quote,
+                      category: category,
+                      topic: topic.id
+
+          @template = 'topic'
+        end
+
+      end
+
+      return nil unless @template
+      Mustache.render(File.read("#{Rails.root}/lib/oneboxer/templates/discourse_#{@template}_onebox.hbrs"), args)
+    rescue ActionController::RoutingError
+      nil
+    end
+
+  end
+end