lab08.rb

#!/bin/env ruby
# MIT License

# Debug purpose
first = true;

# Some dummy class
class Student
  attr_accessor :id           # Retrieved from myself.txt
  attr_accessor :full_name    # Retrieved from myself.txt
  attr_accessor :user_name    # Retrieved from regex in catat-Lab08.txt
  attr_accessor :chain

  attr_accessor :run_client   # Did he/she run ./client?
  attr_accessor :run_server   # Did he/she run ./server?

  def init
    @chain = []
  end
end

# Initial variable
students = []

puts "--- PHASE 1: Retrieving all initial data ---"

# Iterate within current directory
Dir.foreach '.' do |x|
  # Skip: current directory link,
  # up one level directory link,
  # non-NPM folder
  next unless x.match /^[0-9]/
  next if %{. ..}.include? x
  next unless File.directory? x

  # Debug purpose. Testing for first data
  next if not first

  # Show status to user
  puts "Analyzing #{x}"

  catat_path = File.join('.', x, 'catat-Lab08.txt')
  catat = File.read(catat_path)
  user_name_scan = catat.scan /([.a-zA-z0-9]+)@box:/
  user_name = user_name_scan.first.first

  client_ran =
    catat.scan(/\.\/client/).length > 0
  server_ran =
    catat.scan(/\.\/server/).length > 0


  myself_path = File.join('.', x, 'myself.txt')
  myself = File.read(myself_path)
  myself_datas = myself.split(',')
  full_name = myself_datas[1]
  id = myself_datas[0]

  # Create new student object with their respective id
  student = Student.new
  student.id = id
  student.full_name = full_name
  student.user_name = user_name

  student.run_client = client_ran
  student.run_server = server_ran

  # Add identified student into the list of student
  students << student
end

puts
puts '--- PHASE 2: Analyzing chain'
puts

students.each do |student|
  puts "Chain analysis for: #{student.full_name}"
  catat_path = File.join('.', student.id, 'catat-Lab08.txt')
  catat = File.read(catat_path)
  log_scan = catat.scan /(From .+ to .+)/
  log_text = log_scan.last.last.gsub /(From|: Hello)/, ''
  chain = log_text.split(' to ').map {|x| x.strip}

  student.chain = chain
end

puts 
puts '--- PHASE 3: Saving to file ---'
puts

students.each do |student|
  puts "Writing log for #{student.full_name}"
  log_path = File.join('.', 'log', "#{student.id}.txt")
  File.open(log_path, 'w') do |file|
    file.puts 'Log for:'
    file.puts ''
    file.puts "#{student.full_name}"
    file.puts "#{student.id}"
    file.puts "Identified as: #{student.user_name}"
    file.puts ''
    file.puts 'Client ran? #{student.run_client}'
    file.puts 'Server ran? #{student.run_server}'
    file.puts ''
    file.puts 'Chain:'
    student.chain.each do |u|
      file.puts u
    end
  end
end

puts 
puts 'Done! See ./log folder'