class CleanFiles::Cleaner

Constants

SimpleFile
TIME_INTERVALS
VALID_INTERVALS
VALID_OPTIONS

Attributes

options[R]
paths[R]

Public Class Methods

new(paths, options = {}) click to toggle source
# File lib/clean_files/cleaner.rb, line 15
def initialize(paths, options = {})
  @paths = [paths].flatten
  @options = options.reverse_merge(:threshold => 30.days.ago)
  options.assert_valid_keys(VALID_OPTIONS + VALID_INTERVALS)
  given_intervals = VALID_INTERVALS & options.keys
  if given_intervals.present?
    lowest_selected_position = VALID_INTERVALS.index(given_intervals.first)
    @key_intervals = TIME_INTERVALS[lowest_selected_position..-1]
  end
end

Public Instance Methods

files() click to toggle source
# File lib/clean_files/cleaner.rb, line 32
def files
  if paths.any?{|path| path.include?('*')}
    paths.map!{|path| Dir.glob(path)}
    paths.flatten!
  end
  @_files ||= paths.map do |file_path|
    begin
      SimpleFile.new(file_path, File.stat(file_path))
    rescue Errno::EOPNOTSUPP
      nil
    rescue Errno::ENOENT => e
      puts e.to_s
      exit -2
    end
  end.compact.select do |file|
    file.file? || (options[:recursive] && file.directory?)
  end.sort_by(&:ctime)
end
files_before_threshold() click to toggle source
# File lib/clean_files/cleaner.rb, line 55
def files_before_threshold
  files.select{|file| file.ctime < options[:threshold]}
end
files_to_delete() click to toggle source
# File lib/clean_files/cleaner.rb, line 51
def files_to_delete
  files_before_threshold - files_to_preserve
end
files_to_preserve() click to toggle source
# File lib/clean_files/cleaner.rb, line 59
def files_to_preserve
  return [] if @key_intervals.nil?
  files_before_threshold.group_by do |file|
    cdate = file.ctime.to_datetime
    @key_intervals.map{|interval| cdate.send(interval)}
  end.map do |_, files|
    files.first
  end
end
start() click to toggle source
# File lib/clean_files/cleaner.rb, line 26
def start
  files = files_to_delete.map(&:path)
  puts files.join("\n") if options[:verbose]
  FileUtils.rm_rf(files, :noop => !!options[:pretend])
end