Module: Polyamorous::JoinAssociationExtensions

Includes:
SwappingReflectionClass
Defined in:
lib/polyamorous/activerecord_5.1_ruby_2/join_association.rb,
lib/polyamorous/activerecord_5.2.0_ruby_2/join_association.rb,
lib/polyamorous/activerecord_5.2.1_ruby_2/join_association.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from SwappingReflectionClass

#swapping_reflection_klass

Class Method Details

.prepended(base) ⇒ Object 



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# File 'lib/polyamorous/activerecord_5.1_ruby_2/join_association.rb', line 6

def self.prepended(base)
  base.class_eval { attr_reader :join_type }
end

Instance Method Details

#build_constraint(klass, table, key, foreign_table, foreign_key) ⇒ Object 



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# File 'lib/polyamorous/activerecord_5.1_ruby_2/join_association.rb', line 23

def build_constraint(klass, table, key, foreign_table, foreign_key)
  if reflection.polymorphic?
    super(klass, table, key, foreign_table, foreign_key)
      .and(foreign_table[reflection.foreign_type].eq(reflection.klass.name))
  else
    super(klass, table, key, foreign_table, foreign_key)
  end
end

#initialize(reflection, children, polymorphic_class = nil, join_type = Arel::Nodes::InnerJoin) ⇒ Object 



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# File 'lib/polyamorous/activerecord_5.1_ruby_2/join_association.rb', line 10

def initialize(reflection, children, polymorphic_class = nil,
               join_type = Arel::Nodes::InnerJoin)
  @join_type = join_type
  if polymorphic_class && ::ActiveRecord::Base > polymorphic_class
    swapping_reflection_klass(reflection, polymorphic_class) do |reflection|
      super(reflection, children)
      self.reflection.options[:polymorphic] = true
    end
  else
    super(reflection, children)
  end
end