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Class: ActiveRecord::PredicateBuilder::PolymorphicArrayValue

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

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(associated_table, values) ⇒ PolymorphicArrayValue

[ GitHub ] 

  


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



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


  







Instance Attribute Details



  

    #associated_table   (readonly, private)
  

  [ GitHub ]


  

  


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



attr_reader :associated_table, :values


  








  

    #values   (readonly, private)
  

  [ GitHub ]


  

  


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



attr_reader :associated_table, :values


  







Instance Method Details



  

    #convert_to_id(value)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 44



def convert_to_id(value)
  if value.is_a?(Base)
    primary_key = primary_key(value)
    if primary_key.is_a?(Array)
      primary_key.map { |column| value._read_attribute(column) }
    else
      value._read_attribute(primary_key)
    end
  elsif value.is_a?(Relation)
    value.select(primary_key(value))
  else
    value
  end
end


  








  

    #klass(value)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 36



def klass(value)
  if value.is_a?(Base)
    value.class
  elsif value.is_a?(Relation)
    value.model
  end
end


  








  

    #primary_key(value)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 32



def primary_key(value)
  associated_table.join_primary_key(klass(value))
end


  








  

    #queries  
  

  [ GitHub ]


  

  


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



def queries
  return [ associated_table.join_foreign_key => values ] if values.empty?

  type_to_ids_mapping.map do |type, ids|
    query = {}
    query[associated_table.join_foreign_type] = type if type
    query[associated_table.join_foreign_key] = ids
    query
  end
end


  








  

    #type_to_ids_mapping   (private)
  

  [ GitHub ]


  

  


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



def type_to_ids_mapping
  default_hash = Hash.new { |hsh, key| hsh[key] = [] }
  values.each_with_object(default_hash) do |value, hash|
    hash[klass(value)&.polymorphic_name] << convert_to_id(value)
  end
end