Placeholder for events without description

Rules

@@ -3,6 +3,7 @@
 preprocess do
   expand_event_list("/_data/chaosevents/")
   expand_event_list("/_data/stammtisch/", "CCCS Stammtisch")
+  expand_event_list("/_data/platzhalter/", nil, true)
   calculate_to_dates
   fix_timezones
   merge_location_data

content/_data/platzhalter.yaml

@@ -0,0 +1,37 @@
+---
+events:
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-01-08T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-02-12T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-02-12T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-03-12T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-04-09T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-05-14T19:30:00Z
+  duration: 2h
+  location:
+    location: bib
+- title: CCCS Vortragsabend (Thema noch offen)
+  startdate: 2015-06-11T19:30:00Z
+  duration: 2h
+  location:
+    location: bib

lib/eventlists.rb

@@ -1,12 +1,14 @@
-def expand_event_list(itemId, defaultTitle = nil)
+def expand_event_list(itemId, defaultTitle = nil, skipIfDatePresent = false)
   @items[itemId][:events].each_with_index do |event,n|
-    metadata = {
-      :title => defaultTitle,
-      :public => true
-    }
-    metadata.merge!(event)
-    metadata[:kind]='event'
-    @items << Nanoc::Item.new("<%= render 'event_body' %>", metadata, "#{itemId}#{n}/")
+    if (!skipIfDatePresent || !@items.any?{ |i| i[:startdate]==event[:startdate] })
+      metadata = {
+        :title => defaultTitle,
+        :public => true
+      }
+      metadata.merge!(event)
+      metadata[:kind]='event'
+      @items << Nanoc::Item.new("<%= render 'event_body' %>", metadata, "#{itemId}#{n}/")
+    end
   end
 end