Module: DelegateAssociations

Defined in:
lib/delegate_associations.rb,
lib/delegate_associations/version.rb

Constant Summary collapse

VERSION = 
"0.1.5"

Instance Method Summary collapse

Instance Method Details

#delegate_associations(*opts) ⇒ Object 



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# File 'lib/delegate_associations.rb', line 7

def delegate_associations(*opts)
	options = {
		except: [], only: [], allow_nil: false, to: []
	}
	options.update(opts.extract_options!)
	associations = [options.delete(:to)].flatten.compact.map!(&:to_sym)
	valid_associations_to(associations)

	except = [options[:except]].flatten.compact.map!(&:to_sym)
	only  = [options[:only]].flatten.compact.map!(&:to_sym)
	except += delegate_exclude_columns

	associations.each do |association|
		reflect_on_association(association).klass.reflect_on_all_associations.each do |ass|
			next unless ass.name.in?(get_deletage_methods(reflect_on_association(association).klass.reflect_on_all_associations.map(&:name), except, only))
			delegate "#{ass.name}",  to: association, allow_nil: options[:allow_nil]
			delegate "#{ass.name}=", to: association, allow_nil: options[:allow_nil]
			begin 
				delegate "#{ass.name}_attributes=", to: association, allow_nil: options[:allow_nil]
			rescue
				true
			end
			
			unless ass.collection?
				delegate "build_#{ass.name}", to: association
			end
		end
	end
end

#delegate_attributes(*opts) ⇒ Object 



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# File 'lib/delegate_associations.rb', line 37

def delegate_attributes(*opts)
	options = {
		suffix: ["","=","?","_before_type_cast","_change","_changed?","_was","_will_change!"], 
		except: [], only: [], allow_nil: false, to: [], prefix: nil
	}
	options.update(opts.extract_options!)
	associations = [options.delete(:to)].flatten.compact.map!(&:to_sym)

	#Valid if have an option[:to] and if association exists
	valid_associations_to(associations)

	except  = [options[:except]].flatten.compact.map!(&:to_sym)
	only    = [options[:only]].flatten.compact.map!(&:to_sym)
	prefix  = options[:prefix]
	except += delegate_exclude_columns
	
	# I need "begin" because have a problem with Devise when I run migrations
	# Devise call User classs before run all migrations
	begin
		associations.each do |association|
			get_deletage_methods(reflect_on_association(association).klass.column_names, except, only).each do |attribute| 
				options[:suffix].each do |sf|
					delegate "#{attribute}#{sf}", to: association, allow_nil: options[:allow_nil], prefix: prefix
				end
			end
		end
	rescue
		true
	end
end