Class: PivotalToTrello::Runner

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

Overview

Utility class to handle the different commands that the ‘pivotal-to-trello’ command offers.

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.execute ⇒ Object

Start running a pivotal-to-trello command from the passed-in arguments.



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# File 'lib/pivotal_to_trello/runner.rb', line 9

def self.execute
  runner  = new
  options = runner.parse_options(ARGV)
  runner.execute!(options)
end

Instance Method Details

#execute!(options) ⇒ Object

Dispatch central.



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# File 'lib/pivotal_to_trello/runner.rb', line 16

def execute!(options)
  case options.action
  when :import then import(options)
  end
end

#import(options) ⇒ Object

Generates a film clip for the given input file, and saves it to the given output path.



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# File 'lib/pivotal_to_trello/runner.rb', line 99

def import(options)
  PivotalToTrello::Core.new(options).import!
end

#parse_options(args) ⇒ Object

Parses the options, and displays help messages if the options given are incorrect.



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# File 'lib/pivotal_to_trello/runner.rb', line 24

def parse_options(args)
  options = OpenStruct.new

  commands = {
    'import' => OptionParser.new do |opts|
      opts.banner = 'Usage: pivotal-to-trello import [options]'
      opts.separator ''
      opts.separator 'All arguments except for -v and -h are required.'
      opts.separator ''
      opts.separator 'Options:'

      opts.on('-k', '--trello-key KEY', 'Trello application key') do |trello_key|
        options.trello_key = trello_key
      end
      opts.on('-t', '--trello-token TOKEN', 'Trello member token') do |trello_token|
        options.trello_token = trello_token
      end
      opts.on('-p', '--pivotal-token TOKEN', 'Pivotal Tracker API token') do |pivotal_token|
        options.pivotal_token = pivotal_token
      end

      # Miscellaneous.
      opts.on_tail('-v', '--version', 'Show version information') { show_version }
      opts.on_tail('-h', '--help', 'Show this message') do
        STDOUT.write opts
        exit
      end

      opts.on do
        if options.trello_key && \
           options.trello_token && \
           options.pivotal_token
          options.action = :import
        else
          # Output a help message unless the required options have been specified.
          options.action = :error
          STDOUT.write commands['import']
        end
      end
    end,
  }

  global = OptionParser.new do |opts|
    opts.banner = "Usage: pivotal-to-trello [#{commands.keys.join(', ')}] [options]"

    opts.separator ''
    opts.separator 'pivotal-to-trello is a library for importing stories from Pivotal Tracker into Trello.'
    opts.separator ''
    opts.separator "Use pivotal-to-trello [#{commands.keys.join(', ')}] -h to find out more about a specific command"
    opts.separator ''
    opts.separator 'Other options:'

    opts.on_tail('-v', '--version', 'Show version information') do
      show_version
      exit
    end

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

  global.order!
  command = args.shift
  commands[command].order! if commands[command]

  # Output a help message unless a command has been specified.
  STDOUT.write global unless options.action

  options
end

#show_version ⇒ Object

Display the current version of Ruby-Processing.



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# File 'lib/pivotal_to_trello/runner.rb', line 104

def show_version
  STDOUT.write "pivotal-to-trello version #{PivotalToTrello.version}"
end