Class: Stack::Watcher

Inherits:
Object
  • Object
show all
Defined in:
lib/stack/watcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(generator) ⇒ Watcher

Returns a new instance of Watcher.



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# File 'lib/stack/watcher.rb', line 9

def initialize(generator)
  self.generator = generator
  self.source = self.generator.source
  self.target = self.generator.target
  
  self.keep_alive = true
  
  require 'directory_watcher'
end

Instance Attribute Details

#directory_watcher ⇒ Object

Returns the value of attribute directory_watcher.



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# File 'lib/stack/watcher.rb', line 5

def directory_watcher
  @directory_watcher
end

#generator ⇒ Object

Returns the value of attribute generator.



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# File 'lib/stack/watcher.rb', line 4

def generator
  @generator
end

#is_first_observe ⇒ Object

Returns the value of attribute is_first_observe.



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# File 'lib/stack/watcher.rb', line 6

def is_first_observe
  @is_first_observe
end

#keep_alive ⇒ Object

Returns the value of attribute keep_alive.



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# File 'lib/stack/watcher.rb', line 6

def keep_alive
  @keep_alive
end

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/stack/watcher.rb', line 3

def source
  @source
end

#target ⇒ Object

Returns the value of attribute target.



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# File 'lib/stack/watcher.rb', line 3

def target
  @target
end

#thread ⇒ Object

Returns the value of attribute thread.



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# File 'lib/stack/watcher.rb', line 7

def thread
  @thread
end

Instance Method Details

#observe ⇒ Object 



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# File 'lib/stack/watcher.rb', line 19

def observe
  dirs = ""
  
  Dir.chdir(self.source) do
    dirs = Dir['*'].select { |x| File.directory?(x) }
    dirs -= ['_stack']
    dirs = dirs.map { |x| "#{x}/**/*" }
    dirs += ['*']
  end
  
  self.directory_watcher = DirectoryWatcher.new(self.source)
  self.directory_watcher.interval = 1
  self.directory_watcher.glob = dirs
  
  self.directory_watcher.add_observer do |*args|
    if self.is_first_observe
      self.is_first_observe = false
    else
      time = Time.now.strftime("%Y-%m-%d %H:%M:%S")
      puts "[#{time}] #{args.size} files changed."
      self.generator.process!
    
      self.generator.transform!
    
      time = Time.now.strftime("%Y-%m-%d %H:%M:%S")
      puts "[#{time}] #{args.size} files processed."
    end
  end
  
  #self.directory_watcher.start
  
  self.thread = Thread.new {
    self.directory_watcher.start
  }
  
  trap("INT") { self.directory_watcher.stop }
  
  self.thread.join()
  
  #if self.keep_alive
  #  loop { sleep 1000 }
  #end
end