todo.csv

todo.rb

require 'csv'
class List
  attr_reader :tasks
  def initialize
  @tasks = []
  end

  def add(task)
    @tasks << task
  end

  def delete(id_integer)
    @tasks.each do |x|
     if id_integer == x.id
       @tasks.slice!(id_integer.to_i - 1)
     end
    end
    @tasks.each_with_index {|x, i| x.id = i + 1 }
  end

  def complete(id_integer)
    tasks.each do |x|
     if id_integer == x.id
       x.completeness = "Completed!"
     end
    end
  end

end


class Task
  attr_accessor :id, :completeness
  attr_reader :task
  def initialize(hash)
    @id = hash[:id]
    @task = hash[:task_text]
    @completeness = hash[:completeness]
    
  end
end

class TaskMaster
  attr_reader :command_line_input, :command, :task, :my_list
  def initialize(file)
    @file = File.new(file)
    @parsed_file = CSV.parse(@file, :headers => true)
    @my_list = List.new
    read_file
    @command_line_input = ARGV
    @command = ARGV[0]
    @command_line_task = ARGV[1..-1].join(" ") unless ARGV[1] == nil
    parse_command
    p @my_list
  end
  

  def parse_command
    if @command == "add"
      @my_list.add(Task.new(task_text: @command_line_task, id:(@parsed_file.length+1), completeness: "Incomplete"))
      write_file
    elsif @command == "delete"
      @my_list.delete(@command_line_task)
      write_file
    elsif @command == "complete"
      @my_list.complete(@command_line_task)
      write_file
    elsif @command == 'list'
      list
    end
  end

  def list
    @my_list.tasks.each do |each_task| 
      puts "#{each_task.id} - #{each_task.task} - #{each_task.completeness}"
    end
  end

  def write_file
    new_csv = CSV.open('to_do_list.csv', "w")
    new_csv <<['id', 'task_text', 'completeness']
    @my_list.tasks.each {|task_object| new_csv << [task_object.id,task_object.task, task_object.completeness]}
  end

  def read_file
    @parsed_file.each {|task_array| @my_list.add(Task.new(id: task_array['id'], task_text: task_array['task_text'], completeness: task_array['completeness']))}
  end
end

tasks = TaskMaster.new('to_do_list.csv')