script & launchd config for importing photos from a folder into the Photos app on Mac

net.brokensandals.photos.sync.applefromgoogle.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
  <dict>
    <key>Label</key>
    <string>net.brokensandals.photos.sync.applefromgoogle</string>
    <key>Program</key>
    <string>/Users/jacob/dotfiles/bin/sync-apple-photos-from-google-photos.rb</string>
    <key>StartCalendarInterval</key>
    <array>
      <dict>
        <key>Hour</key>
        <integer>0</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>3</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>6</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>9</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>12</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>15</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>18</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
      <dict>
        <key>Hour</key>
        <integer>21</integer>
        <key>Minute</key>
        <integer>0</integer>
      </dict>
    </array>
    <key>StandardOutPath</key>
    <string>/Users/jacob/log/sync-apple-photos-from-google-photos-stdout.log</string>
    <key>StandardErrorPath</key>
    <string>/Users/jacob/log/sync-apple-photos-from-google-photos-stderr.log</string>
  </dict>
</plist>

sync-apple-photos-from-google-photos.rb

#!/usr/bin/env ruby

require 'digest'
require 'open3'

google_photos_dir = '/Users/jacob/Google Drive/Google Photos'
apple_photos_dir = '/Users/jacob/Pictures/Photos Library.photoslibrary/Masters'

def get_photo_paths(dir)
  Dir.glob(File.join(dir, '**', '*.*'))
end

def get_photo_paths_by_digest(dir)
  get_photo_paths(dir).group_by { |path| Digest::MD5.file(path).hexdigest }
end

google_photos = get_photo_paths_by_digest(google_photos_dir)
puts "Google Photos Count: #{google_photos.count}"

apple_photos = get_photo_paths_by_digest(apple_photos_dir)
puts "Apple Photos Count: #{apple_photos.count}"

missing_from_apple = google_photos.keys - apple_photos.keys
unless missing_from_apple.count > 0
  puts "No photos missing from Apple Photos."
  exit 0
end

puts "Apple Photos is missing #{missing_from_apple.count} photos:"
missing_from_apple.each { |digest| puts google_photos[digest].first }

if missing_from_apple.count > 100 && ARGV[0] != '--force'
  STDERR.puts "There are a large number of photos to import. If you are sure this is correct, rerun with --force"
  system 'osascript', '-e', "display notification \"Skipped sync for #{missing_from_apple.count} photos; script must be run with --force to import this many\" with title \"Google->Apple Photos Sync\""
  exit 1
end

add_file_script_lines = missing_from_apple.map do |digest|
  "set end of filesToImport to POSIX file \"#{google_photos[digest].first}\""
end

script = <<-APPLESCRIPT
set filesToImport to {}
#{add_file_script_lines.join("\n")}

with timeout of 30 * 60 seconds
  tell application "Photos"
    import filesToImport
  end tell
end timeout
APPLESCRIPT

puts "Running applescript to import photos..."
script_stdout, script_stderr, script_status = Open3.capture3('osascript', stdin_data: script)
puts script_stdout unless script_stdout.empty?
STDERR.puts script_stderr unless script_stderr.empty?
puts "Finished with exit code #{script_status}"
unless script_status == 0
  system 'osascript', '-e', "display notification \"Failed sync for up to #{missing_from_apple.count} photos\" with title \"Google->Apple Photos Sync\""
  exit 1
end