Module: Unimatrix::Blueprintable

Included in:
Archivist::Artifact
Defined in:
lib/unimatrix/blueprintable.rb

Class Method Summary collapse

Class Method Details

.assign_blueprints(blueprints) ⇒ Object



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# File 'lib/unimatrix/blueprintable.rb', line 64

def self.assign_blueprints( blueprints )
  @module_members.map{ | klass | klass.blueprints = blueprints }
end

.included(klass) ⇒ Object



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# File 'lib/unimatrix/blueprintable.rb', line 7

def self.included( klass )
  @module_members << klass

  class << klass
    cattr_accessor :blueprints

    def find_blueprint( class_type_name )
      self.blueprints.detect do | blueprint |
        blueprint.resource_type_name == class_type_name
      end
    end

    def build( attributes = {}, associations = {} )
      attributes = attributes.transform_keys( &:to_s )
      blueprint = find_blueprint( attributes[ 'type_name' ] ) rescue nil
      klass = build_typed_class( attributes, blueprint )
      klass.new( attributes, associations ) rescue nil
    end

    def build_typed_class( attributes, blueprint )
      
      klass = self 
      
      if !blueprint.nil?
        
        module_name = Unimatrix.const_get( self.name.split( '::' )[1].underscore.camelize )
        entity_class_name = attributes[ 'type_name' ].camelize + attributes[ 'realm_uuid' ]

        unless module_name.const_defined?( entity_class_name )
          
          klass = module_name.const_set( entity_class_name, Class.new( self ) )
          default_attributes = [ "type_name", "relationships", "realm_uuid" ]

          if blueprint.respond_to?( 'blueprint_attributes' )
            permitted_attributes = blueprint.blueprint_attributes.map( &:name ) + default_attributes

            klass.instance_eval do
              
              permitted_attributes.each do | field_name |
                field field_name.to_sym
              end
            
            end
          end

        else
          klass = module_name.const_get( entity_class_name )
        end
      
      end
      
      klass
    
    end
  end
end