Class: ActiveRecord::Bixformer::Attribute::FormattedForeignKey

Inherits:
Base
  • Object
show all
Defined in:
lib/activerecord-bixformer/attribute/formatted_foreign_key.rb

Instance Attribute Summary

Attributes inherited from Base

#model, #name, #options

Instance Method Summary collapse

Constructor Details

#initialize(model, attribute_name, options) ⇒ FormattedForeignKey

Returns a new instance of FormattedForeignKey.



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# File 'lib/activerecord-bixformer/attribute/formatted_foreign_key.rb', line 5

def initialize(model, attribute_name, options)
  super

  unless @options[:formatter]
    raise ArgumentError.new 'Not configured required options : formatter'
  end

  @options[:parser] ||= if @options[:formatter].is_a?(::String) || @options[:formatter].is_a?(::Symbol)
                          -> (v) { { @options[:formatter] => v } }
                        end

  unless @options[:parser]
    raise ArgumentError.new 'Not configured required options : parser'
  end
end

Instance Method Details

#export(record) ⇒ Object 



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# File 'lib/activerecord-bixformer/attribute/formatted_foreign_key.rb', line 21

def export(record)
  association_name = @model.activerecord_constant
                     .reflections.values.find { |r| r.foreign_key == @name }
                     .name

  foreign_record = record.__send__(association_name)

  return nil unless foreign_record

  formatter = @options[:formatter]

  if formatter.is_a?(::Proc)
    formatter.call(foreign_record)
  else
    foreign_record.__send__(formatter)
  end
end

#import(value) ⇒ Object 



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# File 'lib/activerecord-bixformer/attribute/formatted_foreign_key.rb', line 39

def import(value)
  return nil unless value.present?

  parser  = @options[:parser]
  find_by = @options[:find_by]
  scope   = @options[:scope] || :all
  creator = @options[:creator] || :save

  condition = if parser.is_a?(::Proc)
                parser.call(value)
              else
                foreign_constant.__send__(parser, value)
              end

  return nil unless condition

  scoped_relation = if scope.is_a?(::Proc)
                      scope.call
                    else
                      foreign_constant.__send__(scope)
                    end

  foreign_record = if find_by.is_a?(::Proc)
                     find_by.call(scoped_relation, condition)
                   elsif find_by
                     scoped_relation.__send__(find_by, condition)
                   elsif scoped_relation.respond_to?(:find_by)
                     scoped_relation.find_by(condition)
                   else
                     scoped_relation.find do |r|
                       condition.all? { |k, v| r.__send__(k) == v rescue false }
                     end
                   end

  if ! foreign_record && @options[:create]
    foreign_record = scoped_relation.build(condition)

    if creator.is_a?(::Proc)
      creator.call(foreign_record)
    else
      foreign_record.__send__(creator)
    end
  end

  foreign_record&.__send__(foreign_constant.primary_key)
end

#should_be_included ⇒ Object 



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# File 'lib/activerecord-bixformer/attribute/formatted_foreign_key.rb', line 86

def should_be_included
  @model.activerecord_constant.reflections.find do |k, r|
    r.foreign_key == @name && r.class_name.constantize.respond_to?(:table_name)
  end&.first
end