Sha256: 45f9f8adbffa58c5dd6cecb8c599729ebe24121d835c0ef65e40d7d5673e7eed
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Size: 1.7 KB
Versions: 30
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Stored size: 1.7 KB
Contents
module Extface
class Device < ActiveRecord::Base
attr_writer :driver_class
belongs_to :extfaceable, polymorphic: true
belongs_to :driver, inverse_of: :device
has_many :jobs, inverse_of: :device
accepts_nested_attributes_for :driver
delegate :print?, :fiscal?, :raw?, :report?, to: :driver, allow_nil: true
validates_uniqueness_of :name, :uuid, scope: [:extfaceable_id, :extfaceable_type]
before_create do
self.uuid = SecureRandom.hex
self.name = uuid unless name.present?
end
before_save do
if @driver_class.present? and @driver_class != driver_class.try(:to_s)
driver.try(:destroy)
self.driver = @driver_class.constantize.create if @driver_class.present?
end
end
def driver_class
driver.try(:class)
end
def driver_name
driver_class::NAME if driver_class
end
def session(description = nil)
job = jobs.create!(description: description)
job.thread = Thread.new do
Thread.current[:extface_job] = job.id
ActiveRecord::Base.establish_connection unless ActiveRecord::Base.connection.active?
begin
raise 'No driver configured' unless driver.present?
if driver.set_job(job)
yield driver
job.complete!
else
raise driver.errors.full_messages.join(', ')
end
rescue => e
STDERR.puts e.message
e.backtrace.each do |line|
p line
end
job.failed! e.message
ensure
ActiveRecord::Base.connection.close unless Thread.list.select{ |t| t[:extface_job].present? }.many?
end
end
job
end
end
end
Version data entries
30 entries across 30 versions & 1 rubygems