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Versions: 38

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Stored size: 1.58 KB

Contents

module Searchlogic
  module NamedScopes
    # Handles dynamically creating order named scopes for associations:
    #
    #   User.has_many :orders
    #   Order.has_many :line_items
    #   LineItem
    #
    #   User.ascend_by_orders_line_items_id
    #
    # See the README for a more detailed explanation.
    module AssociationOrdering
      def condition?(name) # :nodoc:
        super || association_ordering_condition?(name)
      end
      
      private
        def association_ordering_condition?(name)
          !association_ordering_condition_details(name).nil?
        end
        
        def method_missing(name, *args, &block)
          if details = association_ordering_condition_details(name)
            create_association_ordering_condition(details[:association], details[:order_as], details[:condition], args)
            send(name, *args)
          else
            super
          end
        end
        
        def association_ordering_condition_details(name)
          associations = reflect_on_all_associations
          association_names = associations.collect { |assoc| assoc.name }
          if name.to_s =~ /^(ascend|descend)_by_(#{association_names.join("|")})_(\w+)$/
            {:order_as => $1, :association => associations.find { |a| a.name == $2.to_sym }, :condition => $3}
          end
        end
        
        def create_association_ordering_condition(association, order_as, condition, args)
          named_scope("#{order_as}_by_#{association.name}_#{condition}", association_condition_options(association, "#{order_as}_by_#{condition}", args))
        end
    end
  end
end

Version data entries

38 entries across 38 versions & 8 rubygems

Version Path
searchlogic-2.4.28 lib/searchlogic/named_scopes/association_ordering.rb
nberger-searchlogic-2.4.29 lib/searchlogic/named_scopes/association_ordering.rb
nberger-searchlogic-2.4.28 lib/searchlogic/named_scopes/association_ordering.rb
obitum-searchlogic-2.4.28 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.27 lib/searchlogic/named_scopes/association_ordering.rb
yoomee-searchlogic-2.4.27 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.26 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.25 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.24 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.23 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.22 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-heroku-2.4.19 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.21 lib/searchlogic/named_scopes/association_ordering.rb
gravis-searchlogic-2.4.20 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.19 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.18 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.17 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.16 lib/searchlogic/named_scopes/association_ordering.rb
searchlogic-2.4.15 lib/searchlogic/named_scopes/association_ordering.rb
aq1018-searchlogic-2.4.17 lib/searchlogic/named_scopes/association_ordering.rb