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# File 'app/models/state_machines/story.rb', line 2
def self.included(base)
base.extend ClassMethods
base.class_eval do
include Model::MongoDb::StateVersionAttributes
attr_accessor :current_user
const_set 'STATES', [:new, :tasks_defined, :active, :completed, :closed]
const_set 'EVENTS', [:initialization, :setup_tasks, :activate, :complete]
after_initialize :set_initial_state
state_machine :state, initial: :new do
event :initialization do
transition :new => :initialized
end
event :setup_tasks do
transition :initialized => :tasks_defined
end
state :tasks_defined do
validate :presence_of_tasks
end
state :active do
validate :presence_of_tasks
end
event :activate do
transition [:new, :tasks_defined, :completed] => :active
end
event :deactivate do
transition :active => :tasks_defined
end
event :complete do
transition :active => :completed
end
event :close do
transition :completed => :closed
end
before_transition do |object, transition|
object.event = transition.event.to_s
object.state_before = transition.from
end
end
private
def set_initial_state
self.state ||= :new
end
def presence_of_tasks
self.tasks.delete_if do |t|
t.name.blank? && (t.class.name == 'Task' && t.text.blank?)
end
if tasks.select{|t| !t.valid?}.any?
errors[:base] << I18n.t(
'activerecord.errors.models.story.attributes.base.invalid_tasks'
)
end
if tasks.none?
errors[:base] << I18n.t(
'activerecord.errors.models.story.attributes.base.missing_tasks'
)
end
end
end
end
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