Contents

module ActiveRecord
  module Associations
    class HasManyAssociation
      include CompositePrimaryKeys::Predicates

      def delete_records(records, method)
        if method == :destroy
          records.each(&:destroy!)
          update_counter(-records.length) unless reflection.inverse_updates_counter_cache?
          return
        # Zerista
        elsif self.reflection.klass.composite?
          predicate = cpk_in_predicate(self.scope.table, self.reflection.klass.primary_keys, records.map(&:id))
          scope = self.scope.where(predicate)
        else
          scope = self.scope.where(reflection.klass.primary_key => records)
        end
        update_counter(-delete_count(method, scope))
      end

        def delete_count(method, scope)
          if method == :delete_all
            scope.delete_all
          else
            # CPK
            # scope.update_all(reflection.foreign_key => nil)
            conds = Array(reflection.foreign_key).inject(Hash.new) do |mem, key|
              mem[key] = nil
              mem
            end
            scope.update_all(conds)
          end
        end

        def foreign_key_present?
          if reflection.klass.primary_key
            # CPK
            # owner.attribute_present?(reflection.association_primary_key)
            Array(reflection.klass.primary_key).all? {|key| owner.attribute_present?(key)}
          else
            false
          end
        end
      end
    end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
composite_primary_keys-9.0.6	lib/composite_primary_keys/associations/has_many_association.rb
composite_primary_keys-9.0.5	lib/composite_primary_keys/associations/has_many_association.rb
composite_primary_keys-9.0.4	lib/composite_primary_keys/associations/has_many_association.rb
composite_primary_keys-9.0.2	lib/composite_primary_keys/associations/has_many_association.rb
composite_primary_keys-9.0.1	lib/composite_primary_keys/associations/has_many_association.rb