Fixing missing/clobbered EXIF data on a portion of my photos library

exif_fix_first_pass.rb

# frozen_string_literal: true

require 'exif'
require 'fileutils'
require 'shellwords'

formats = ['.jpg', '.png', '.jpeg', '.mov', '.mp4', '.m4v']

def update_exif(year, month, day, f)
  f = f.strip
  filedir_exif_date = "#{year}:#{month}:#{day}"
  fork do
    system("exiftool '-AllDates=#{filedir_exif_date} 00:00:00' -overwrite_original #{Shellwords.escape(f)}")
  end
end

Dir['./**/*'].each do |f|
  next unless formats.include? File.extname(f.downcase)

  match = %r{([0-9]{4})/([0-9]{2})/([0-9]{0,2})}.match(f)

  unless match.nil?
    file_year = match.captures[0]
    file_month = match.captures[1]
    file_day = match.captures[2]
  end

  begin
    data = Exif::Data.new(File.open(f))

    match = /([0-9]{4}):([0-9]{2}):([0-9]{0,2})/.match(data.date_time)

    unless match.nil?
      exif_year = match.captures[0]
      exif_month = match.captures[1]
      exif_day = match.captures[2]
    end

    unless exif_year === file_year && exif_month === file_month && exif_day === file_day
      puts "Fixing date mismatch: #{f} (#{data.date_time} -> #{file_year}:#{file_month}:#{file_day})"
      open('updated_files.log', 'a') do |log|
        log.puts f
      end

      update_exif(file_year, file_month, file_day, f)
    end
  rescue Exif::NotReadable
    puts "Couldn't read: #{f}"
    open('unreadable.log', 'a') do |log|
      log.puts f
    end
  rescue Exif::IFDNotFound
    puts "IDF Not Found: #{f}"
    open('idf_error.log', 'a') do |log|
      log.puts f
    end
  rescue Exif::UnknownDataType
    puts "Unknown Data Type #{f}!"
  end
end

exif_fix_second_pass.rb

# frozen_string_literal: true

require 'shellwords'

def update_exif(year, month, day, f)
  f = f.strip
  filedir_exif_date = "#{year}:#{month}:#{day}"
  puts "exiftool '-AllDates=#{filedir_exif_date} 00:00:00' -overwrite_original #{Shellwords.escape(f)}"
  fork do
    system("exiftool '-AllDates=#{filedir_exif_date} 00:00:00' -overwrite_original #{Shellwords.escape(f)}")
  end
end

File.readlines('unreadable.log').each do |f|
  f = f.strip

  match = %r{([0-9]{4})/([0-9]{2})/([0-9]{0,2})}.match(f)

  unless match.nil?
    file_year = match.captures[0]
    file_month = match.captures[1]
    file_day = match.captures[2]
  end

  exiftool_out = `exiftool #{Shellwords.escape(f)}`

  has_date_tag = exiftool_out.include? 'Date/Time Original'
  has_create_date = exiftool_out.include? 'Create Date'
  nulled_date = exiftool_out.include? 'Date/Time Original              : 0000:00:00 00:00:00'
  nulled_create_date = exiftool_out.include? 'Create Date                     : 0000:00:00 00:00:00'

  # No date tags
  unless has_date_tag || has_create_date
    open('secondpass_updated.log', 'a') do |log|
      log.puts f
    end
    update_exif(file_year, file_month, file_day, f)
  end

  # Nulled-out date/time tags
  next unless nulled_date || nulled_create_date

  open('secondpass_updated.log', 'a') do |log|
    log.puts f
  end
  update_exif(file_year, file_month, file_day, f)
end

original_sort.sh

echo "Removing duplicate files..."

fdupes -r -d -N  .

echo "Sorting..."

# Use -r for recursive sorting
exiftool -preserve -d '%Y/%m/%d/' "-directory<filemodifydate" "-directory<createdate" "-directory<datetimeoriginal" ./*.*

echo "Cleaning empty directories..."

find . -empty -type f -delete && find . -empty -type d -delete