Ruby script to change modified date of iCloud Photos downloaded from icloud.com so that it's easier to be sorted.

icloud_photos_modified_date_script.rb

# frozen_string_literal: true

require 'csv'
require 'time'
require 'fileutils'

# find all folders starting with "iCloud Photos"
folders = Dir.foreach('.').select do |e|
  /^iCloud Photos/.match(e)
end

# create Folders
FileUtils.mkdir_p 'Photos'
FileUtils.mkdir_p 'Favorites'
FileUtils.mkdir_p 'Deleted'
FileUtils.mkdir_p 'Albums'
FileUtils.mkdir_p 'Memories'

def iterate_folder(folder_name)
  # find all csv files inside "Photos" folder
  csv_file_names = Dir.new("#{folder_name}/Photos").entries.select do |e|
    /^Photo Details(?:-[0-9])?\.csv$/.match(e)
  end
  csv_file_names.each do |csv_file_name|
    iterate_photos_csv(folder_name, csv_file_name)
  end

  move_other_csv(folder_name)
end

def iterate_photos_csv(folder_name, csv_file_name)
  csv = CSV.parse(File.read("#{folder_name}/Photos/#{csv_file_name}"), headers: true)
  csv.each do |row|
    image_name = row['imgName']
    original_creation_date = row['originalCreationDate']
    favorite = row['favorite']
    deleted = row['deleted']

    media_file_path = if deleted == 'yes'
                        "#{folder_name}/Recently Deleted/#{image_name}"
                      else
                        "#{folder_name}/Photos/#{image_name}"
                      end
    unless File.exist?(media_file_path)
      File.write('skipped_not_exist.txt', "#{media_file_path}\n", mode: 'a+')
      puts "skipped, not exist : #{image_name}"
      next
    end

    # change creation and modified time
    new_date = Time.strptime(original_creation_date, '%A %B %e,%Y %l:%M %p %z')
    File.utime(new_date, new_date, media_file_path)

    # organize files into its own folder
    if favorite == 'yes'
      FileUtils.mv(media_file_path, "Favorites/#{image_name}")
    elsif deleted == 'yes'
      FileUtils.mv(media_file_path, "Deleted/#{image_name}")
    else
      FileUtils.mv(media_file_path, "Photos/#{image_name}")
    end
  end
end

def move_other_csv(folder_name)
  if File.exist?("#{folder_name}/Albums")
    albums_csv = Dir.new("#{folder_name}/Albums").entries.select do |e|
      /^.*\.csv$/.match(e)
    end
    albums_csv.each do |csv|
      FileUtils.mv("#{folder_name}/Albums/#{csv}", "Albums/#{csv}")
    end
  end

  if File.exist?("#{folder_name}/Memories")
    albums_csv = Dir.new("#{folder_name}/Memories").entries.select do |e|
      /^.*\.csv$/.match(e)
    end
    albums_csv.each do |csv|
      FileUtils.mv("#{folder_name}/Memories/#{csv}", "Memories/#{csv}")
    end
  end
end

folders.each do |folder_name|
  iterate_folder(folder_name)
end