export_to_day_one.rb

#!/usr/bin/env ruby

require 'csv'
require 'active_support/all'
require 'rb-dayone'

class DiaryFromDayOne
  attr_reader :target_date, :title, :content, :created_at

  def initialize(row)
    @target_date = Date.parse(row[0])
    @title       = row[3]
    @content     = row[9].gsub(/<br>/, "\n")
    @entry_text  = entry_text
    @created_at  = Time.parse(row[10])
  end

  def entry_text
    <<-ENTRY.strip_heredoc
#{title_for_entry}#{content}

#{created_at}
    ENTRY
  end

  def title_for_entry
    if title.present?
      "#{title}\n\n"
    end
  end

  def save
    entry = DayOne::Entry.new self.entry_text, creation_date: self.target_date.to_time
    entry.create!
  end
end

file_count = 0
files = Dir.glob(File.join(File.dirname(__FILE__), 'notelog/[0-9]*.txt'))
files.each do |path|
  begin
    File.open(path, encoding: 'cp932:utf-8') do |file|
      while l = file.gets
        row = l.split(',')
        converter = DiaryFromDayOne.new(row)
        converter.save
        file_count += 1
      end
    end
  rescue => e
    puts "Error!"
    puts path
    puts e.inspect
  end
end
puts file_count