Module: Cylons::Associations::ClassMethods

Defined in:
lib/cylons/associations.rb

Instance Method Summary collapse

Instance Method Details

#build_remote_belongs_to_association(association_hash) ⇒ Object

To make service load order a non issue, we need to be trixy hobbitses Here we catch uninitialized constant error and reload remotes if constant hasnt been defined yet i.e. if a Product service loads after category service, when Product calls the Category.search method it will throw constant error, we catch that, reload remotes and try one mo time



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# File 'lib/cylons/associations.rb', line 9

def build_remote_belongs_to_association(association_hash)
  define_method(association_hash[:name]) do
    begin
      foreign_key = association_hash[:options].fetch(:foreign_key, association_hash[:name].to_s.underscore.to_sym)
      association_hash[:name].to_s.classify.constantize.scope_by(:id => self[foreign_key]).first
    rescue => e
      if e.message == "uninitialized constant #{association_hash[:name].classify.to_s}"
        ::Cylons::RemoteDiscovery.load_remotes
        association_hash[:name].to_s.classify.constantize.scope_by(:id => self["#{association_hash[:name].to_s}_id".to_sym]).first
      end
    end
  end
end

#build_remote_has_many_association(association_hash) ⇒ Object 



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# File 'lib/cylons/associations.rb', line 23

def build_remote_has_many_association(association_hash)
  define_method(association_hash[:name]) do
    begin
      klass_name = association_hash[:options].fetch(:class_name, association_hash[:name].to_s.singularize.classify)
      foreign_key = association_hash[:options].fetch(:foreign_key, "#{self.class.name.singularize}_id".downcase.to_sym)
      klass = klass_name.constantize
      klass.scope_by(foreign_key => self[:id])
    rescue => e
      if e.message == "uninitialized constant #{klass_name}"
        ::Cylons::RemoteDiscovery.load_remotes
        klass.scope_by(:id => self["#{association_hash[:name].to_s.singularize}_id"].to_sym)
      end
    end
  end
end