Contents

module ActiveRecordSurvey
	class InstanceNode < ::ActiveRecord::Base
		self.table_name = "active_record_survey_instance_nodes"
		belongs_to :instance, :class_name => "ActiveRecordSurvey::Instance", :foreign_key => :active_record_survey_instance_id
		belongs_to :node, :class_name => "ActiveRecordSurvey::Node", :foreign_key => :active_record_survey_node_id

		validates_presence_of :instance

		validate do |instance_node|
			# This instance_node has no valid path to the root node
			if !self.node.instance_node_path_to_root?(self)
				instance_node.errors[:base] << "NO_PATH"
			end

			# Two instance_nodes on the same node for this instance
			if self.instance.instance_nodes.select { |i|
					# Two votes share a parent (this means a question has two answers for this instance)
					(i.node.node_maps.collect { |j|
						j.parent
					} & self.node.node_maps.collect { |j|
						j.parent
					}).length > 0
				}.length > 1
				instance_node.errors[:base] << "DUPLICATE_PATH"
			end

			if !self.node.validate_instance_node(self)
				instance_node.errors[:base] << "INVALID"
			end
		end
	end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
active_record_survey-0.1.6	lib/active_record_survey/instance_node.rb