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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_id_desc }
scope :order_id_desc, -> { reorder(id: :desc) }
scope :order_id_asc, -> { reorder(id: :asc) }
scope :order_created_desc, -> { reorder(created_at: :desc) }
scope :order_created_asc, -> { reorder(created_at: :asc) }
scope :order_updated_desc, -> { reorder(updated_at: :desc) }
scope :order_updated_asc, -> { reorder(updated_at: :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
when 'id_desc' then order_id_desc
when 'id_asc' then order_id_asc
else
all
end
end
private
def highest_label_priority(object_types, condition_field, excluded_labels: [])
query = Label.select(Label.arel_table[:priority].minimum).
joins(:label_links).
where(label_links: { target_type: object_types }).
where("label_links.target_id = #{condition_field}").
reorder(nil)
query.where.not(title: excluded_labels) if excluded_labels.present?
query
end
end
end