Class: FileReplicator::Joiner

Inherits:
Object
  • Object
show all
Includes:
ReplicatorHelper
Defined in:
lib/file_replicator/joiner.rb

Constant Summary

Constants included from ReplicatorHelper

ReplicatorHelper::READ_BUFFER

Instance Attribute Summary

Attributes included from ReplicatorHelper

#checksum, #colour, #options

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Joiner

Returns a new instance of Joiner.



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# File 'lib/file_replicator/joiner.rb', line 11

def initialize
  @options = JoinerCmdParse.new.get_options
  @colour  = Pastel.new enabled: !@options[:no_colour]
end

Instance Method Details

#join ⇒ Object 



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# File 'lib/file_replicator/joiner.rb', line 16

def join
  files = Dir.glob(
      File.join(
          File.dirname(@options[:first]),
          '*'
      )
  ).sort

  prepare @options[:output_path]
  output_file = File.open @options[:output_path], 'ab'

  first_index = files.index File.expand_path(@options[:first])
  last_index  = files.index File.expand_path(@options[:last])

  if progress?
    file_pb = ProgressBar.create(
        total: (first_index..last_index).size,
        title: colour.bright_blue("#{File.basename output_file}")
    )
  end
  files[first_index..last_index].each do |file|
    File.open file, 'rb' do |f|
      while (data = f.read(READ_BUFFER))
        output_file.write data
      end
    end
    file_pb.increment if progress?
  end

  file_pb.finish if progress?
rescue StandardError => e
  puts @colour.bright_red e.message unless quiet?
  file_pb.stop if progress?

  exit 1
ensure
  output_file.close unless output_file.nil?
end