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Class: ActiveRecord::PredicateBuilder::AssociationQueryValue

Do not use. This class is for internal use only.

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(associated_table, value) ⇒ AssociationQueryValue

[ GitHub ] 

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 6



def initialize(associated_table, value)
  @associated_table = associated_table
  @value = value
end


  







Instance Attribute Details



  

    #associated_table   (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 23



attr_reader :associated_table, :value


  








  

    #polymorphic_clause?  ⇒ Boolean  (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 55



def polymorphic_clause?
  primary_type && !value.where_values_hash.has_key?(primary_type)
end


  








  

    #select_clause?  ⇒ Boolean  (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 51



def select_clause?
  value.select_values.empty?
end


  








  

    #value   (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 23



attr_reader :associated_table, :value


  







Instance Method Details



  

    #convert_to_id(value)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 59



def convert_to_id(value)
  return primary_key.map { |pk| value.public_send(pk) } if primary_key.is_a?(Array)

  if value.respond_to?(primary_key)
    value.public_send(primary_key)
  else
    value
  end
end


  








  

    #ids   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 25



def ids
  case value
  when Relation
    relation = value
    relation = relation.select(primary_key) if select_clause?
    relation = relation.where(primary_type => polymorphic_name) if polymorphic_clause?
    relation
  when Array
    value.map { |v| convert_to_id(v) }
  else
    [convert_to_id(value)]
  end
end


  








  

    #polymorphic_name   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 47



def polymorphic_name
  associated_table.polymorphic_name_association
end


  








  

    #primary_key   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 39



def primary_key
  associated_table.join_primary_key
end


  








  

    #primary_type   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 43



def primary_type
  associated_table.join_primary_type
end


  








  

    #queries  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/association_query_value.rb', line 11



def queries
  if associated_table.join_foreign_key.is_a?(Array)
    id_list = ids
    id_list = id_list.pluck(primary_key) if id_list.is_a?(Relation)

    id_list.map { |ids_set| associated_table.join_foreign_key.zip(ids_set).to_h }
  else
    [ associated_table.join_foreign_key => ids ]
  end
end