Class: RubyApp::Session

Inherits:
Object
  • Object
show all
Extended by:
Mixins::ConfigurationMixin, Mixins::DelegateMixin, Mixins::TranslateMixin
Defined in:
lib/ruby_app/session.rb

Direct Known Subclasses

_APPLICATION_UPCODE_::Session

Defined Under Namespace

Classes: Identity

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Mixins::ConfigurationMixin

configuration

Methods included from Mixins::DelegateMixin

exists?, method_missing

Methods included from Mixins::TranslateMixin

localize, translate

Constructor Details

#initialize(document = nil) ⇒ Session

Returns a new instance of Session.



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# File 'lib/ruby_app/session.rb', line 35

def initialize(document = nil)
  @session_id = RubyApp::Session.generate_session_id(self)
  @expires = Time.now + RubyApp::Session.configuration.expires

  @documents = []
  @data = {}

  @identity = nil

  @steps = []
  @steps_index = 0

  require 'ruby_app/elements/mobile/default/default_document'
  @documents.push(document || RubyApp::Elements::Mobile::Default::DefaultDocument.new)

end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/ruby_app/session.rb', line 31

def data
  @data
end

#documents ⇒ Object (readonly)

Returns the value of attribute documents.



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# File 'lib/ruby_app/session.rb', line 30

def documents
  @documents
end

#expires ⇒ Object (readonly)

Returns the value of attribute expires.



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# File 'lib/ruby_app/session.rb', line 28

def expires
  @expires
end

#identity ⇒ Object

Returns the value of attribute identity.



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# File 'lib/ruby_app/session.rb', line 33

def identity
  @identity
end

#session_id ⇒ Object (readonly)

Returns the value of attribute session_id.



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# File 'lib/ruby_app/session.rb', line 27

def session_id
  @session_id
end

Class Method Details

.generate_session_id(session) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 139

def self.generate_session_id(session)
  session_id = "id_#{SecureRandom.hex(RubyApp::Session.configuration.length)}"
  RubyApp::Session.lock_sessions do
    while RubyApp::Session.get_session(session_id)
      session_id = "id_#{SecureRandom.hex(RubyApp::Session.configuration.length)}"
    end
    RubyApp::Session.sessions.store(session_id, session)
    return session_id
  end
end

.get ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 150

def self.get
  Thread.current[:_session]
end

.get_scripts(path = String.interpolate { RubyApp::Session.configuration.scripts.path }) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 206

def self.get_scripts(path = String.interpolate { RubyApp::Session.configuration.scripts.path })
  scripts = []
  Dir.new(path).each do |item|
    unless item.start_with?('.')
      _path = File.join(path, item)
      if File.directory?(_path)
        scripts += self.get_scripts(_path)
      elsif _path =~ /\.rb/
        name = _path.gsub(String.interpolate { RubyApp::Session.configuration.scripts.path }, '').gsub(/^\//, '').gsub(/\.rb/, '')
        scripts.push({:name => name,
                    :url  => "/quit?go=#{CGI.escape("/?script=#{name}")}"})
      end
    end
  end
  return scripts.sort { |a, b| a.name <=> b.name }
end

.get_session(session_id) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 124

def self.get_session(session_id)
  session = RubyApp::Session.sessions[session_id]
  if session
    unless session.expired?
      session.reset_expiry!
      return session
    else
      session.quit!
      return nil
    end
  else
    return nil
  end
end

.load!(session_id = nil, script_path = nil) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 154

def self.load!(session_id = nil, script_path = nil)
  session = RubyApp::Session.get_session(session_id)
  unless session
    session = Kernel.eval(RubyApp::Session.configuration._class).new
    session.load_script!(script_path) if script_path
  end
  Thread.current[:_session] = session
end

.lock_sessions ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 118

def self.lock_sessions
  ( @@_lock ||= ::Mutex.new ).synchronize do
    yield
  end
end

.sessions ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 114

def self.sessions
  return @@_sessions ||= {}
end

.start_thread! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 167

def self.start_thread!
  unless @@_thread ||= nil
    @@_thread = Thread.new do
      begin
        while true
          RubyApp::Session.sessions.values.each do |session|
            if session.expired?
              RubyApp::Log.debug("QUIT  #{session.session_id.inspect}")
              session.quit!
            end
          end
          sleep(RubyApp::Session.configuration.interval)
        end
      rescue => exception
        RubyApp::Log.exception(RubyApp::Log::ERROR, exception)
      end
    end

    at_exit do
      begin
        RubyApp::Session.stop_thread!
      rescue => exception
        RubyApp::Log.exception(RubyApp::Log::ERROR, exception)
      end
    end

    RubyApp::Log.debug(RubyApp::Log.prefix(self, __method__))

  end
end

.stop_thread! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 198

def self.stop_thread!
  if @@_thread ||= nil
    RubyApp::Log.debug(RubyApp::Log.prefix(self, __method__))
    @@_thread.exit
    @@_thread = nil
  end
end

.unload! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 163

def self.unload!
  Thread.current[:_session] = nil
end

Instance Method Details

#add_step!(_class, &block) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 75

def add_step!(_class, &block)
  caller = Kernel.caller.first.split(':')
  @steps.push({:_class => _class,
               :file => caller[0].gsub(String.interpolate { RubyApp::Session.configuration.scripts.path }, '').gsub(/^\//, ''),
               :line => caller[1].to_i,
               :block => block})
end

#document ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 52

def document
  return @documents.last
end

#expired? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby_app/session.rb', line 60

def expired?
  return @expires <= Time.now
end

#load_script!(path) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 70

def load_script!(path)
  _path = File.join(String.interpolate { RubyApp::Session.configuration.scripts.path }, "#{path}.rb")
  Kernel.eval(File.read(_path), self.send(:binding), _path)
end

#process_event!(event) ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 83

def process_event!(event)

  event.process!

  if RubyApp::Session.configuration.scripts.enabled
    step = @steps[@steps_index]
    if step
      begin
        if event.is_a?(step._class)
          @steps_index += 1
          RubyApp::Log.duration(RubyApp::Log::INFO, "STEP   #{step.file}:#{step.line}") do
            step.block.call(event)
          end
          if @steps_index == @steps.length
            RubyApp::Log.info("STEP   Completed #{@steps.length} steps")
          end
        end
      rescue => exception
        RubyApp::Log.info("STEP   Exception occurred at #{step.file}:#{step.line}")
        @steps_index = @steps.length
        raise
      end
    end
  end

end

#quit! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 64

def quit!
  RubyApp::Session.lock_sessions do
    RubyApp::Session.sessions.delete(self.session_id)
  end
end

#reset_expiry! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 56

def reset_expiry!
  @expires = Time.now + RubyApp::Session.configuration.expires
end

#reset_script! ⇒ Object 



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# File 'lib/ruby_app/session.rb', line 110

def reset_script!
  @steps_index = 0
end