neocities/workers/thumbnail_worker.rb
2014-04-21 18:30:25 -07:00

27 lines
No EOL
872 B
Ruby

require 'RMagick'
class ThumbnailWorker
THUMBNAILS_PATH = File.join DIR_ROOT, 'public', 'site_thumbnails'
include Sidekiq::Worker
sidekiq_options queue: :thumbnails, retry: 3, backtrace: true
def perform(username, filename)
img_list = Magick::ImageList.new
img_list.from_blob File.read(File.join(Site::SITE_FILES_ROOT, username, filename))
img = img_list.first
user_thumbnails_path = File.join THUMBNAILS_PATH, username
FileUtils.mkdir_p user_thumbnails_path
Site::THUMBNAIL_RESOLUTIONS.each do |res|
resimg = img.resize_to_fit(*res.split('x').collect {|r| r.to_i})
format = File.extname(filename).gsub('.', '')
save_ext = format.match(Site::LOSSY_IMAGE_REGEX) ? 'jpg' : 'png'
resimg.write(File.join(user_thumbnails_path, "#{filename}.#{res}.#{save_ext}")) {
self.quality = 90
}
end
end
end