Add tagging support to Event model

- Event: acts_as_taggable_on :tags — uses existing polymorphic
  taggings table, no migration needed
- events/edit and events/new: tag_list field added, tag_list
  permitted in events_controller strong params
- locales: add open_days (Offene Tage / Open days),
  upcoming_events (Weitere Termine / Upcoming events),
  event_schedule_time, event_schedule_unrecognized,
  event_schedule_none keys

1 files changed, 1 insertions, 3 deletions

diff --git a/app/models/event.rb b/app/models/event.rb
index de82674..e2e71c9 100644
--- a/app/models/event.rb
+++ b/app/models/event.rb
@@ -3,11 +3,9 @@ class Event < ApplicationRecord
 
   belongs_to :node, optional: true
   has_many   :occurrences
+  acts_as_taggable_on :tags
 
   validates :title, presence: true, unless: -> { node_id.present? }
-  validates :is_primary, uniqueness: { scope: :node_id,
-    message: "only one primary event per node allowed" },
-    if: -> { is_primary? && node_id.present? }
 
   after_save :generate_occurences