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-rw-r--r--app/models/concerns/sortable.rb35
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diff --git a/app/models/concerns/sortable.rb b/app/models/concerns/sortable.rb
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+++ b/app/models/concerns/sortable.rb
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+# == Sortable concern
+#
+# Set default scope for ordering objects
+#
+module Sortable
+ extend ActiveSupport::Concern
+
+ included do
+ # By default all models should be ordered
+ # by created_at field starting from newest
+ default_scope { order(created_at: :desc, id: :desc) }
+
+ scope :order_created_desc, -> { reorder(created_at: :desc, id: :desc) }
+ scope :order_created_asc, -> { reorder(created_at: :asc, id: :asc) }
+ scope :order_updated_desc, -> { reorder(updated_at: :desc, id: :desc) }
+ scope :order_updated_asc, -> { reorder(updated_at: :asc, id: :asc) }
+ scope :order_name_asc, -> { reorder(name: :asc) }
+ scope :order_name_desc, -> { reorder(name: :desc) }
+ end
+
+ module ClassMethods
+ def order_by(method)
+ case method.to_s
+ when 'name_asc' then order_name_asc
+ when 'name_desc' then order_name_desc
+ when 'updated_asc' then order_updated_asc
+ when 'updated_desc' then order_updated_desc
+ when 'created_asc' then order_created_asc
+ when 'created_desc' then order_created_desc
+ else
+ all
+ end
+ end
+ end
+end