discourse/script/downsize_uploads.rb

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2018-02-27 16:23:01 -05:00
require File.expand_path("../../config/environment", __FILE__)
# no less than 1 megapixel
max_image_pixels = [ARGV[0].to_i, 1_000_000].max
puts '', "Downsizing uploads size to no more than #{max_image_pixels} pixels"
Upload.where("lower(extension) in (?)", ['jpg', 'jpeg', 'gif', 'png', 'bmp', 'tif', 'tiff']).find_each do |upload|
2018-02-27 16:23:01 -05:00
absolute_path = Discourse.store.path_for(upload)
if absolute_path && FileHelper.is_image?(upload.original_filename)
file = File.new(absolute_path) rescue nil
next unless file
image_info = FastImage.new(file) rescue nil
pixels = image_info.size&.reduce(:*).to_i
if pixels > max_image_pixels
OptimizedImage.downsize(file.path, file.path, "#{max_image_pixels}@", filename: upload.original_filename)
upload.filesize = File.size(file)
upload.width, upload.height = ImageSizer.resize(*FastImage.new(file).size)
upload.save!
upload.posts.each do |post|
Jobs.enqueue(:process_post, post_id: post.id, bypass_bump: true, cook: true)
end
end
end
end
puts '', 'Done', ''