3d660953d4
Add a model for storing image and video metadata for uploaded files. Metadata is extracted using ExifTool. You will need to install ExifTool after this commit. ExifTool 12.22 is the minimum required version because we use the `--binary` option, which was added in this release. The MediaMetadata model is separate from the MediaAsset model because some files contain tons of metadata, and most of it is non-essential. The MediaAsset model represents an uploaded file and contains essential metadata, like the file's size and type, while the MediaMetadata model represents all the other non-essential metadata associated with a file. Metadata is stored as a JSON column in the database. ExifTool returns all the file's metadata, not just the EXIF metadata. EXIF is one of several types of image metadata, hence why we call it MediaMetadata instead of EXIFMetadata.
114 lines
2.9 KiB
Ruby
114 lines
2.9 KiB
Ruby
# A service object for uploading an image.
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class UploadService
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attr_reader :params, :post, :upload
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def initialize(params)
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@params = params
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end
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def delayed_start(uploader)
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CurrentUser.scoped(uploader) do
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start!
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end
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rescue ActiveRecord::RecordNotUnique
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end
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def start!
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preprocessor = Preprocessor.new(params)
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if preprocessor.in_progress?
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UploadServiceDelayedStartJob.set(wait: 5.seconds).perform_later(params, CurrentUser.user)
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return preprocessor.predecessor
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end
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if preprocessor.completed?
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@upload = preprocessor.finish!
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begin
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create_post_from_upload(@upload)
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rescue Exception => e
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@upload.update(status: "error: #{e.class} - #{e.message}", backtrace: e.backtrace.join("\n"))
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end
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return @upload
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end
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params[:rating] ||= "q"
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params[:tag_string] ||= "tagme"
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@upload = Upload.create!(params)
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begin
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if @upload.invalid?
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return @upload
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end
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@upload.update(status: "processing")
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@upload.file = Utils.get_file_for_upload(@upload, file: @upload.file&.tempfile)
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Utils.process_file(upload, @upload.file)
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@upload.save!
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@post = create_post_from_upload(@upload)
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@upload
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rescue Exception => e
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@upload.update(status: "error: #{e.class} - #{e.message}", backtrace: e.backtrace.join("\n"))
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@upload
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end
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end
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def warnings
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return [] if @post.nil?
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@post.warnings.full_messages
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end
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def create_post_from_upload(upload)
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@post = convert_to_post(upload)
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@post.save!
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if upload.context && upload.context["ugoira"]
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PixivUgoiraFrameData.create(
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post_id: @post.id,
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data: upload.context["ugoira"]["frame_data"],
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content_type: upload.context["ugoira"]["content_type"]
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)
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end
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if upload.has_commentary?
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@post.create_artist_commentary(
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:original_title => upload.artist_commentary_title,
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:original_description => upload.artist_commentary_desc,
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:translated_title => upload.translated_commentary_title,
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:translated_description => upload.translated_commentary_desc
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)
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end
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@post.update_iqdb
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upload.update(status: "completed", post_id: @post.id)
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@post
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end
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def convert_to_post(upload)
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Post.new.tap do |p|
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p.has_cropped = true
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p.tag_string = upload.tag_string
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p.md5 = upload.md5
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p.file_ext = upload.file_ext
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p.image_width = upload.image_width
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p.image_height = upload.image_height
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p.rating = upload.rating
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if upload.source.present?
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p.source = Sources::Strategies.find(upload.source, upload.referer_url).canonical_url || upload.source
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end
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p.file_size = upload.file_size
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p.uploader_id = upload.uploader_id
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p.uploader_ip_addr = upload.uploader_ip_addr
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p.parent_id = upload.parent_id
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if !upload.uploader.can_upload_free? || upload.upload_as_pending?
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p.is_pending = true
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end
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end
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end
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end
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