Class: Extface::Device

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/extface/device.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#driver_class ⇒ Object 



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# File 'app/models/extface/device.rb', line 26

def driver_class
  driver.try(:class)
end

Instance Method Details

#driver_name ⇒ Object 



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# File 'app/models/extface/device.rb', line 30

def driver_name
  driver_class::NAME if driver_class
end

#session(description = nil) ⇒ Object 



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# File 'app/models/extface/device.rb', line 34

def session(description = nil)
  job = jobs.create!(description: description, started_at: Time.now)
  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