Class: NaranyaEcm::Rest::Associations::BelongsTo

Inherits:
SingularAssociation show all
Defined in:
lib/naranya_ecm/rest/associations.rb

Instance Attribute Summary

Attributes inherited from Association

#associated_class, #klass, #name, #options

Instance Method Summary collapse

Methods inherited from Association

#resolve_class_name

Constructor Details

#initialize(klass, name, options = {}) ⇒ BelongsTo

Returns a new instance of BelongsTo.



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# File 'lib/naranya_ecm/rest/associations.rb', line 91

def initialize(klass, name, options = {})
  super

  # Define the foreign key:
  klass.send :field, foreign_key, foreign_key: true

  # Define the setter
  klass.send :define_method, "#{name}=".to_sym do |new_value|
    reflection = self.class.reflect_on_association(name)
    foreign_key_name = reflection.foreign_key
    
    new_value = reflection.associated_class.new new_value if new_value.is_a? Hash
    raise "Type Mismatch on #{self.class.name} ##{name}= #{new_value.inspect}" unless new_value.nil? || new_value.class == reflection.associated_class

    self.send "#{foreign_key_name}=".to_sym, new_value.nil? ? nil : new_value.id
    instance_variable_set "@#{name}".to_sym, new_value
  end
end

Instance Method Details

#foreign_key ⇒ Object 



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# File 'lib/naranya_ecm/rest/associations.rb', line 110

def foreign_key
  @foreign_key ||= options[:foreign_key] || "#{name}_id".to_sym
end

#macro ⇒ Object 



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# File 'lib/naranya_ecm/rest/associations.rb', line 109

def macro; :belongs_to; end