From 175b408948e601d3db568768a309eed8f2edb307 Mon Sep 17 00:00:00 2001
From: erdgeist <erdgeist@erdgeist.org>
Date: Thu, 2 Jul 2026 15:13:52 +0200
Subject: Add 'open today' sidebar widget and open days in chapter lists

- open_erfas_today helper: samples 3 random open-day-tagged occurrences
  of the current day; widget hidden entirely on days without open
  chapters; heading shows current weekday
- content/_open_erfas_today partial rendered in right column above
  tags and featured articles
- _chapter partial: open-day schedules (event_schedule_text) shown
  inline in aggregated chapter lists with 'Offene Tage' label
- ccc.css: open_erfas_today added to existing right-column widget
  selector groups (headings, lists, links)
---
 app/helpers/content_helper.rb                | 16 ++++++++++++++++
 app/views/content/_open_erfas_today.html.erb | 11 +++++++++++
 app/views/custom/partials/_chapter.html.erb  |  9 +++++++++
 app/views/layouts/application.html.erb       |  1 +
 4 files changed, 37 insertions(+)
 create mode 100644 app/views/content/_open_erfas_today.html.erb

(limited to 'app')

diff --git a/app/helpers/content_helper.rb b/app/helpers/content_helper.rb
index 53bf5b2..bf7287f 100644
--- a/app/helpers/content_helper.rb
+++ b/app/helpers/content_helper.rb
@@ -23,6 +23,22 @@ module ContentHelper
     )
   end
 
+  def open_erfas_today
+    occurrences = Occurrence
+      .find_in_range(Time.now.beginning_of_day, Time.now.end_of_day)
+      .joins(event: :tags)
+      .where(tags: { name: 'open-day' })
+      .reject { |o| o.node.nil? || o.node.head.nil? }
+      .sample(3)
+
+    return if occurrences.empty?
+
+    render(
+      :partial => 'content/open_erfas_today',
+      :locals  => { :occurrences => occurrences }
+    )
+  end
+
   def tags
     render :partial => 'content/tags'
   end
diff --git a/app/views/content/_open_erfas_today.html.erb b/app/views/content/_open_erfas_today.html.erb
new file mode 100644
index 0000000..3448af3
--- /dev/null
+++ b/app/views/content/_open_erfas_today.html.erb
@@ -0,0 +1,11 @@
+<div id="open_erfas_today">
+  <h2><%= t(:open_today) %></h2>
+  <ul class="teasertext">
+    <% occurrences.each do |occurrence| %>
+      <li>
+        <%= link_to_path occurrence.node.head.title, occurrence.node.unique_name %>
+        <span class="event_time"><%= occurrence.start_time.strftime("%H:%M") %></span>
+      </li>
+    <% end %>
+  </ul>
+</div>
diff --git a/app/views/custom/partials/_chapter.html.erb b/app/views/custom/partials/_chapter.html.erb
index a5b8662..805559b 100644
--- a/app/views/custom/partials/_chapter.html.erb
+++ b/app/views/custom/partials/_chapter.html.erb
@@ -6,5 +6,14 @@
   <% if page.node.external_url.present? %>
     <div class="chapter_url"><%= link_to page.node.external_url, page.node.external_url, target: '_blank', rel: 'noopener' %></div>
   <% end %>
+  <% open_days = page.node.events.tagged_with('open-day').order(:start_time) %>
+  <% if open_days.any? %>
+    <div class="chapter_open_days">
+      <span class="open_days_label"><%= t(:open_days_label) %>: </span>
+      <% open_days.each do |event| %>
+        <span class="event_schedule"><%= event_schedule_text(event) %></span>
+      <% end %>
+    </div>
+  <% end %>
   <p class="excerpt"><%= sanitize page.body %></p>
 </div>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index edab5fc..57d12e6 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -72,6 +72,7 @@
         </div>
       </div>
       <div id="right_column">
+        <%= open_erfas_today %>
         <%= tags %>
         <%= featured_articles %>
       </div>
-- 
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