56 lines
2.0 KiB
Ruby
56 lines
2.0 KiB
Ruby
if defined?(::ActiveRecord)
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module Polyamorous
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if defined?(Arel::InnerJoin)
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InnerJoin = Arel::InnerJoin
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OuterJoin = Arel::OuterJoin
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else
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InnerJoin = Arel::Nodes::InnerJoin
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OuterJoin = Arel::Nodes::OuterJoin
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end
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if defined?(::ActiveRecord::Associations::JoinDependency)
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JoinDependency = ::ActiveRecord::Associations::JoinDependency
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JoinAssociation = ::ActiveRecord::Associations::JoinDependency::JoinAssociation
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JoinBase = ::ActiveRecord::Associations::JoinDependency::JoinBase
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else
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JoinDependency = ::ActiveRecord::Associations::ClassMethods::JoinDependency
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JoinAssociation = ::ActiveRecord::Associations::ClassMethods::JoinDependency::JoinAssociation
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JoinBase = ::ActiveRecord::Associations::ClassMethods::JoinDependency::JoinBase
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end
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end
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require 'polyamorous/tree_node'
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require 'polyamorous/join'
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require 'polyamorous/swapping_reflection_class'
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ar_version = ::ActiveRecord::VERSION::STRING[0,3]
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ar_version = '3_and_4.0' if ar_version < '4.1'
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ar_version = ::ActiveRecord::VERSION::STRING[0,5] if ar_version == '5.2'
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method, ruby_version =
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if RUBY_VERSION >= '2.0' && ar_version >= '4.1'
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# Ruby 2; we can use `prepend` to patch Active Record cleanly.
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[:prepend, '2']
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else
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# Ruby 1.9; we must use `alias_method` to patch Active Record.
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[:include, '1.9']
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end
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%w(join_association join_dependency).each do |file|
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require "polyamorous/activerecord_#{ar_version}_ruby_#{ruby_version}/#{file}"
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end
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Polyamorous::JoinDependency.send(method, Polyamorous::JoinDependencyExtensions)
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if method == :prepend
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Polyamorous::JoinDependency.singleton_class
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.send(:prepend, Polyamorous::JoinDependencyExtensions::ClassMethods)
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end
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Polyamorous::JoinAssociation.send(method, Polyamorous::JoinAssociationExtensions)
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Polyamorous::JoinBase.class_eval do
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if method_defined?(:active_record)
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alias_method :base_klass, :active_record
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end
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end
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end
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