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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(reflection, values, origin_model) ⇒ PolymorphicArrayValue

[ GitHub ] 

  


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



def initialize(reflection, values, origin_model)
  @reflection = reflection
  @values = values
  @origin_model = origin_model
end


  







Instance Attribute Details



  

    #reflection   (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 21



attr_reader :reflection, :values


  








  

    #values   (readonly, private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 21



attr_reader :reflection, :values


  







Instance Method Details



  

    #convert_to_id(value, route)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 57



def convert_to_id(value, route)
  if value.is_a?(Base)
    route.destination_key.value_of(value)
  elsif value.is_a?(Relation)
    if route.destination_key.composite?
      value.pluck(route.destination_key.name)
    else
      value.select(route.destination_key.name)
    end
  else
    value
  end
end


  








  

    #queries  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 12



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

  route_groups.filter_map do |_key, (fixed_values, origin_key, ids)|
    fixed_values.merge(origin_key => ids) unless ids.empty?
  end
end


  








  

    #reference_key_name   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 46



def reference_key_name
  @reference_key_name ||= reflection.association_route(origin_class: @origin_model).reference_origin_key.name
end


  








  

    #route_for(value)   (private)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/relation/predicate_builder/polymorphic_array_value.rb', line 50



def route_for(value)
  if value.is_a?(Base) || value.is_a?(Relation)
    destination_class = value.is_a?(Relation) ? value.model : value.class
    reflection.association_route(origin_class: @origin_model, destination_class: destination_class)
  end
end


  








  

    #route_groups   (private)
  

  [ GitHub ]


  

  


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



def route_groups
  values.each_with_object({}) do |value, groups|
    if route = route_for(value)
      fixed_values = route.origin_fixed_values
      origin_key = route.origin_key.name
    else
      # Bare ids carry no target class, so match them directly against the foreign
      # key, without a fixed value for the polymorphic type.
      fixed_values = {}
      origin_key = reference_key_name
    end

    key = [fixed_values, origin_key]
    group = groups[key] ||= [fixed_values, origin_key, []]
    ids = convert_to_id(value, route)
    if value.is_a?(Relation) && route.destination_key.composite?
      group.last.concat(ids)
    else
      group.last << ids
    end
  end
end