Files
danbooru/app/logical/upload_service/utils.rb
2021-01-04 18:35:50 -06:00

97 lines
3.4 KiB
Ruby

class UploadService
module Utils
module_function
def distribute_files(file, record, type, original_post_id: nil)
# need to do this for hybrid storage manager
post = Post.new
post.id = original_post_id if original_post_id.present?
post.md5 = record.md5
post.file_ext = record.file_ext
[Danbooru.config.storage_manager, Danbooru.config.backup_storage_manager].each do |sm|
sm.store_file(file, post, type)
end
end
def is_downloadable?(source)
source =~ /^https?:\/\//
end
def generate_resizes(media_file)
preview_file = media_file.preview(Danbooru.config.small_image_width, Danbooru.config.small_image_width)
crop_file = media_file.crop(Danbooru.config.small_image_width, Danbooru.config.small_image_width)
if media_file.is_ugoira?
sample_file = media_file.convert
elsif media_file.is_image? && media_file.width > Danbooru.config.large_image_width
sample_file = media_file.preview(Danbooru.config.large_image_width, media_file.height)
else
sample_file = nil
end
[preview_file, crop_file, sample_file]
end
def process_resizes(upload, file, original_post_id, media_file: nil)
media_file ||= upload.media_file
preview_file, crop_file, sample_file = Utils.generate_resizes(media_file)
begin
Utils.distribute_files(file, upload, :original, original_post_id: original_post_id) if file.present?
Utils.distribute_files(sample_file, upload, :large, original_post_id: original_post_id) if sample_file.present?
Utils.distribute_files(preview_file, upload, :preview, original_post_id: original_post_id) if preview_file.present?
Utils.distribute_files(crop_file, upload, :crop, original_post_id: original_post_id) if crop_file.present?
ensure
preview_file.try(:close!)
crop_file.try(:close!)
sample_file.try(:close!)
end
end
def process_file(upload, file, original_post_id: nil)
upload.file = file
media_file = upload.media_file
upload.file_ext = media_file.file_ext.to_s
upload.file_size = media_file.file_size
upload.md5 = media_file.md5
upload.image_width = media_file.width
upload.image_height = media_file.height
upload.validate!(:file)
upload.tag_string = "#{upload.tag_string} #{Utils.automatic_tags(media_file)}"
process_resizes(upload, file, original_post_id)
end
def automatic_tags(media_file)
tags = []
tags << "video_with_sound" if media_file.has_audio?
tags << "animated_gif" if media_file.file_ext == :gif && media_file.is_animated?
tags << "animated_png" if media_file.file_ext == :png && media_file.is_animated?
tags.join(" ")
end
def get_file_for_upload(upload, file: nil)
return file if file.present?
raise "No file or source URL provided" if upload.source_url.blank?
strategy = Sources::Strategies.find(upload.source_url, upload.referer_url)
raise NotImplementedError, "No login credentials configured for #{strategy.site_name}." unless strategy.class.enabled?
file = strategy.download_file!
if strategy.data[:ugoira_frame_data].present?
upload.context = {
"ugoira" => {
"frame_data" => strategy.data[:ugoira_frame_data],
"content_type" => "image/jpeg"
}
}
end
file
end
end
end