WIP: Notebook engine

lib/onebox/engine.rb

@@ -201,3 +201,4 @@ def always_https?
 require_relative "engine/reddit_media_onebox"
 require_relative "engine/google_drive_onebox"
 require_relative "engine/facebook_media_onebox"
+require_relative "engine/notebook_page_onebox"

lib/onebox/engine/notebook_page_onebox.rb

@@ -0,0 +1,73 @@
+# frozen_string_literal: true
+
+module Onebox
+  module Engine
+    class NotebookPageOnebox
+      include Engine
+      include StandardEmbed
+      include LayoutSupport
+
+      matches_regexp(/^https?:\/\/(?:www\.)?(?:(?:\w)+\.)?notebook\.ai\/plan\/*([^\/]+)\/(\d+)/)
+      always_https
+
+      private
+
+      def data
+        og = get_opengraph
+
+        max_length = 250
+
+        display_path = extract_path(og.url, max_length)
+        display_description = clean_description(og.description, og.title, max_length)
+
+        title = og.title
+
+        fragment = Addressable::URI.parse(url).fragment
+        if fragment
+          fragment = Addressable::URI.unencode(fragment)
+
+          if html_doc.css('.Box.md')
+            # For links to markdown docs
+            node = html_doc.css('a.anchor').find { |n| n['href'] == "##{fragment}" }
+            subtitle = node&.parent&.text
+          elsif html_doc.css('.Box.rdoc')
+            # For links to rdoc docs
+            node = html_doc.css('h3').find { |n| n['id'] == "user-content-#{fragment.downcase}" }
+            subtitle = node&.css('text()')&.first&.text
+          end
+
+          title = "#{title} - #{subtitle}" if subtitle
+        end
+
+        {
+          link: url,
+          image: og.image,
+          title: Onebox::Helpers.truncate(title, 250),
+          path: og.url,
+          description: display_description,
+          favicon: get_favicon
+        }
+      end
+
+      def extract_path(root, max_length)
+        path = url.split('#')[0].split('?')[0]
+        path = path["#{root}/tree/".length..-1]
+
+        return unless path
+
+        path.length > max_length ? path[-max_length..-1] : path
+      end
+
+      def clean_description(description, title, max_length)
+        return unless description
+
+        desc_end = " - #{title}"
+        if description[-desc_end.length..-1] == desc_end
+          description = description[0...-desc_end.length]
+        end
+
+        Onebox::Helpers.truncate(description, max_length)
+      end
+    end
+  end
+end

templates/notebookpage.mustache

@@ -0,0 +1,25 @@
+{{#image}}
+  <a href="{{link}}" target="_blank" rel="noopener">
+    <img src="{{image}}" class="thumbnail"/>
+  </a>
+{{/image}}
+
+<h3>
+  <a href="{{link}}" target="_blank" rel="noopener">{{title}}</a>
+</h3>
+
+{{#description}}
+  <p>
+    <span class="label1">
+      {{description}}
+    </span>
+  </p>
+{{/description}}
+
+{{#path}}
+  <p>
+    <sub>
+      <a href="{{link}}" target="_blank" rel="noopener">{{path}}</a>
+    </sub>
+  </p>
+{{/path}}