Refs #6867; Remove duplicated entries in TZ select

1 files changed, 9 insertions, 3 deletions

diff --git a/app/inputs/full_time_zone_input.rb b/app/inputs/full_time_zone_input.rb
index f5d8a9ba2..b3f43fa19 100644
--- a/app/inputs/full_time_zone_input.rb
+++ b/app/inputs/full_time_zone_input.rb
@@ -1,7 +1,13 @@
 class FullTimeZoneInput < SimpleForm::Inputs::CollectionSelectInput
   def collection
     @collection ||= begin
-      collection = options.delete(:collection) || ActiveSupport::TimeZone::MAPPING
+      collection = options.delete(:collection) || begin
+        coll = ActiveSupport::TimeZone::MAPPING.invert
+        coll.sort_by do |k, v|
+          tz = ActiveSupport::TimeZone[k]
+          "(#{tz.formatted_offset}) #{tz.name}"
+        end
+      end
       collection.respond_to?(:call) ? collection.call : collection.to_a
     end
   end
@@ -10,10 +16,10 @@ class FullTimeZoneInput < SimpleForm::Inputs::CollectionSelectInput
     label, value = options.delete(:label_method), options.delete(:value_method)
 
     label ||= ->(tz) do
-      tz = ActiveSupport::TimeZone[tz.last]
+      tz = ActiveSupport::TimeZone[tz.first]
       "(#{tz.formatted_offset}) #{tz.name}"
     end
-    value ||= :last
+    value ||= :first
 
     [label, value]
   end