Method: Zold::Copies#add

Defined in:
lib/zold/copies.rb

#add(content, host, port, score, time = Time.now) ⇒ Object

Returns the name of the copy



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# File 'lib/zold/copies.rb', line 92

def add(content, host, port, score, time = Time.now)
  raise "Content can't be empty" if content.empty?
  raise 'TCP port must be of type Integer' unless port.is_a?(Integer)
  raise "TCP port can't be negative: #{port}" if port.negative?
  raise 'Time must be of type Time' unless time.is_a?(Time)
  raise "Time must be in the past: #{time}" if time > Time.now
  raise 'Score must be Integer' unless score.is_a?(Integer)
  raise "Score can't be negative: #{score}" if score.negative?
  Futex.new(file, log: @log).open do
    FileUtils.mkdir_p(@dir)
    list = load
    target = list.find do |s|
      f = File.join(@dir, "#{s[:name]}#{Copies::EXT}")
      File.exist?(f) && IO.read(f) == content
    end
    if target.nil?
      max = DirItems.new(@dir).fetch
        .select { |f| File.basename(f, Copies::EXT) =~ /^[0-9]+$/ }
        .map(&:to_i)
        .max
      max = 0 if max.nil?
      name = (max + 1).to_s
      IO.write(File.join(@dir, "#{name}#{Copies::EXT}"), content)
    else
      name = target[:name]
    end
    list.reject! { |s| s[:host] == host && s[:port] == port }
    list << {
      name: name,
      host: host,
      port: port,
      score: score,
      time: time
    }
    save(list)
    name
  end
end