Class: Candelabra::Runner

Inherits:
Object
  • Object
show all
Defined in:
lib/candelabra/runner.rb

Overview

This class gives access to candelabra from the command line It has several useful functions like starting, stoping, and firing events to candelabra

Examples:

candelabra start
  # => I will let you guess what this one does

candelabra stop
  # => Yup it does that you are thinking

candelabra restart
  # => see above

candelabra event -e on_error
  # => send an error event to candelabra

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args) ⇒ Runner

Set up the running for Candelabra. Parse out command and get all the data required for any command

Returns…it’s the initializer



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# File 'lib/candelabra/runner.rb', line 25

def initialize(args)
  parse(args)
  @command = args.shift
  @data = args
end

Instance Attribute Details

#command ⇒ Object (readonly)

Returns the value of attribute command.



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# File 'lib/candelabra/runner.rb', line 19

def command
  @command
end

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/candelabra/runner.rb', line 19

def config
  @config
end

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/candelabra/runner.rb', line 19

def data
  @data
end

#options ⇒ Object (readonly)

Returns the value of attribute options.



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# File 'lib/candelabra/runner.rb', line 19

def options
  @options
end

Instance Method Details



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# File 'lib/candelabra/runner.rb', line 31

def banner
  Installer.get_template 'banner'
end

#parse(args) ⇒ Object

Take in the arguments from the command line and parse out any options and set up the options hash

Returns parsed optionr



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# File 'lib/candelabra/runner.rb', line 39

def parse( args )
  @options ={}
  Candelabra::Configuration.go do |config|
    OptionParser.new( args ) do |opts|
      opts.banner = banner 

      opts.on_tail( '-h', '--help', 'Show this message' ) do
        puts opts
        exit
      end

      opts.on_tail( '-v', '--version', 'Show Candelabra Version' ) do
        puts "Candelabra's Version is: #{ Candelabra::VERSION }"
        exit
      end

    end.parse!
  end

  Candelabra::Configuration.instance
end

#run ⇒ Object

Execute the given command. Also fire off any events that occur in the system

Returns nothing special



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# File 'lib/candelabra/runner.rb', line 65

def run
  # here comes brute
  cmds = Remote.commands.keys.map{|x| x.to_s }.abbrev
  case command
  when 'start'
    Candelabra::Pianobar.start
  when 'stop'
    Candelabra::Pianobar.stop_all
  when 'restart'
    Candelabra::Pianobar.restart
  when 'flush' # Force flushing of the fifo files
    Candelabra::Remote.flush_all
  when 'install'
    Candelabra::Installer.run
  when *cmds.keys
    if data.nil? || data.empty?
      puts Remote.send cmds[command].to_sym
    else
      puts Remote.send cmds[command].to_sym, data
    end
  else
    puts "No command given"
  end
end