Class: Archiver::Cli

Inherits:
Object
  • Object
show all
Defined in:
lib/archiver/cli.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv, stdout, stderr) ⇒ Cli

Returns a new instance of Cli.



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# File 'lib/archiver/cli.rb', line 16

def initialize(argv, stdout, stderr)
  @stdout = stdout
  @stderr = stderr

  @config = {
    :verbose => false,
    :from => false,
    :into => false
  }

  @parser = OptionParser.new do |opt|
    opt.banner = "Usage: archiver [options]"

    opt.separator ""
    opt.separator "Mandatory options:"

    opt.on("-f", "--from DIR", "From directory name") do |dir|
      @config[:from] = dir
    end

    opt.on("-i", "--into DIR", "Into directory name") do |dir|
      @config[:into] = dir
    end

    opt.separator ""
    opt.separator "Optional options:"

    opt.on("-V", "--verbose", "Verbose output format") do
      @config[:verbose] = true
    end

    opt.on("-h", "--help", "Show this help message") do
      stdout.puts @parser
      exit 0
    end

    opt.on("-v", "--version", "Show current version") do
      stdout.puts "archiver v#{Version::STRING}"
      exit 0
    end
  end

  @parser.parse!

  unless @config[:from] or @config[:into]
    puts @parser
    exit 1
  end

  checks
  process
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/archiver/cli.rb', line 13

def config
  @config
end

#parser ⇒ Object

Returns the value of attribute parser.



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# File 'lib/archiver/cli.rb', line 14

def parser
  @parser
end

#stderr ⇒ Object

Returns the value of attribute stderr.



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# File 'lib/archiver/cli.rb', line 12

def stderr
  @stderr
end

#stdout ⇒ Object

Returns the value of attribute stdout.



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# File 'lib/archiver/cli.rb', line 11

def stdout
  @stdout
end

Instance Method Details

#checks ⇒ Object 



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# File 'lib/archiver/cli.rb', line 69

def checks
  unless File.directory? config[:from]
    error "Fromdir #{config[:from]} does not exist"
  end

  unless File.directory? config[:into]
    error "Intodir #{config[:into]} does not exist"
  end

  config[:fromdir] = File.realpath config[:from]
  config[:intodir] = File.realpath config[:into]
end

#error(message) ⇒ Object 



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# File 'lib/archiver/cli.rb', line 124

def error(message)
  stderr.puts "Error: #{message}"
  stderr.puts @parser
  exit 1
end

#process ⇒ Object 



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# File 'lib/archiver/cli.rb', line 82

def process
  unless config[:verbose]
    progress = ProgressBar.new("Archiver", records.count, stdout)
  end

  records.each do |record|
    next unless record.process?

    if config[:verbose]
      from = record.path.gsub(/^#{config[:fromdir]}\//, "")
      into = File.join(record.segment, record.filename)

      stdout.puts "#{from} -> #{into}"
    else
      progress.inc
    end

    record.move config[:intodir]
  end

  if config[:verbose]
    stdout.puts "Processed #{records.count} records!"
  else
    progress.finish
  end
rescue SystemExit, Interrupt
  progress.finish if progress
  exit 1
end

#records ⇒ Object 



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# File 'lib/archiver/cli.rb', line 112

def records
  @records ||= begin
    rows = []
    Dir.glob(File.join(config[:fromdir], "**", "*")).each do |row|
      next if File.directory? row
      rows << Record.new(row)
    end

    rows
  end
end