From a986b1f2b5676624f02373cb54eb3b81b18f3f79 Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Thu, 20 Aug 2026 19:39:39 +0200
Subject: Add banner render logic

---
 app/controllers/content_controller.rb  |  1 +
 app/models/node.rb                     | 11 +++++++++++
 app/models/page.rb                     | 17 ++++++++---------
 app/views/layouts/application.html.erb |  3 +++
 public/stylesheets/ccc.css             |  6 ++++++
 5 files changed, 29 insertions(+), 9 deletions(-)

diff --git a/app/controllers/content_controller.rb b/app/controllers/content_controller.rb
index debb69b9..8a25f8f7 100644
--- a/app/controllers/content_controller.rb
+++ b/app/controllers/content_controller.rb
@@ -19,6 +19,7 @@ class ContentController < ApplicationController
                            :status => @page.redirect_status)
       end
 
+      @banners = Node.current_banners.to_a
       render(
         :template => @page.valid_template,
         :layout => true
diff --git a/app/models/node.rb b/app/models/node.rb
index ef981a97..8f59de43 100644
--- a/app/models/node.rb
+++ b/app/models/node.rb
@@ -632,6 +632,17 @@ class Node < ApplicationRecord
       .distinct
   end
 
+  def self.current_banners
+    parent = Node.find_by(:unique_name => CccConventions::BANNER_PARENT_NAME)
+    return Node.none unless parent
+
+    parent.children
+          .joins(:head)
+          .where("pages.published_at IS NULL OR pages.published_at <= ?", Time.now)
+          .order("pages.published_at DESC")
+          .includes(:head => { :related_assets => :asset })
+  end
+
   # This one is for admin-only views, where finding a draft is the point.
   # Substring match on whichever of head/draft is present.
   def self.editor_search(term)
diff --git a/app/models/page.rb b/app/models/page.rb
index 91b7e975..679a4aff 100644
--- a/app/models/page.rb
+++ b/app/models/page.rb
@@ -327,17 +327,16 @@ class Page < ApplicationRecord
     end
   end
 
-  def redirect_target
-    return nil if redirect.blank?
-
-    if redirect_node_id.present?
-      return nil unless redirect_node&.head
-      return RedirectTarget.new(redirect_node, nil)
+  def link_target
+    if redirect_node_id.present? && redirect_node&.head
+      RedirectTarget.new(redirect_node, nil)
+    elsif external_url.present?
+      RedirectTarget.new(nil, external_url)
     end
+  end
 
-    return RedirectTarget.new(nil, external_url) if external_url.present?
-
-    nil
+  def redirect_target
+    redirect.present? ? link_target : nil
   end
 
   def redirect_status
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 756b4bdd..55cb4e34 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -64,6 +64,9 @@
   	<%= calendar %>
       </div>
       <div id="center_column">
+        <% if @banners&.any? %>
+          <%= render "content/banner", :banner => @banners.first %>
+        <% end %>
         <%= yield :layout %>
         <div id="footer">
           <p style="text-align: center">
diff --git a/public/stylesheets/ccc.css b/public/stylesheets/ccc.css
index 2cf57a65..52994fde 100644
--- a/public/stylesheets/ccc.css
+++ b/public/stylesheets/ccc.css
@@ -102,6 +102,12 @@ dd {
   margin-bottom: .5rem;
 }
 
+.banner img {
+  display: block;
+  max-height: 8rem;
+  width: auto;
+}
+
 /* Single caller: _headline_image.html.erb's image-count caption
    ("N Bilder"), shown only when a gallery has more than one image. */
 .right {
-- 
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