Contents

#	==	requires
#	*	sample_id
#	*	unit_id
#	*	owner_id
class Aliquot < ActiveRecordShared

	belongs_to :sample
	belongs_to :unit
	belongs_to :aliquot_sample_format
	belongs_to :owner, :class_name => "Organization"
	has_many :transfers

	validates_presence_of :sample
	validates_presence_of :unit
	validates_presence_of :owner
	validates_length_of   :location, :maximum => 250, :allow_blank => true
	validates_length_of   :mass,     :maximum => 250, :allow_blank => true

	#	Create a #Transfer for the given #Aliquot from the 
	#	current owner(#Organization) to the given #Organization.
	def transfer_to(organization)
		org = Organization.find(organization)
		#	I don't think that the transaction is necessary
		#	but I also don't think that it will hurt.
		Aliquot.transaction do
			#	wrap this in a transaction because
			#	we don't want the aliquot.owner being
			#	out of sync with the last transfer.to
			self.transfer.to(org).save!
		end
	end

protected

	#	Begin building the #Transfer from the current
	#	owner(#Organization)
	def transfer
		Transfer.new({
			:aliquot_id => self.id,
			:from_organization_id => self.owner_id
		})
	end

end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
ccls-ccls_engine-3.11.0	app/models/aliquot.rb