feat: OG Image in Chatwoot Help Center (#11826)

_Note: This is only available for Cloud version of Chatwoot._



![image](https://github.com/user-attachments/assets/b7d61035-8682-4dbd-9460-4f8546ca6a98)

app/controllers/public/api/v1/portals/articles_controller.rb

@@ -17,7 +17,9 @@ class Public::Api::V1::Portals::ArticlesController < Public::Api::V1::Portals::B
     limit_results
   end
 
-  def show; end
+  def show
+    @og_image_url = helpers.set_og_image_url(@portal.name, @article.title)
+  end
 
   def tracking_pixel
     @article = @portal.articles.find_by(slug: permitted_params[:article_slug])

app/controllers/public/api/v1/portals/categories_controller.rb

@@ -8,7 +8,9 @@ class Public::Api::V1::Portals::CategoriesController < Public::Api::V1::Portals:
     @categories = @portal.categories.order(position: :asc)
   end
 
-  def show; end
+  def show
+    @og_image_url = helpers.set_og_image_url(@portal.name, @category.name)
+  end
 
   private
 

app/controllers/public/api/v1/portals_controller.rb

@@ -4,7 +4,9 @@ class Public::Api::V1::PortalsController < Public::Api::V1::Portals::BaseControl
   before_action :redirect_to_portal_with_locale, only: [:show]
   layout 'portal'
 
-  def show; end
+  def show
+    @og_image_url = helpers.set_og_image_url('', @portal.header_text)
+  end
 
   def sitemap
     @help_center_url = @portal.custom_domain || ChatwootApp.help_center_root