df09bb239b
Allow replacing a post with itself. Skip uploading the file and just update the post's source with the given source.
74 lines
2.1 KiB
Ruby
74 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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class UploadService
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class Replacer
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class Error < StandardError; end
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attr_reader :post, :replacement
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def initialize(post:, replacement:)
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@post = post
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@replacement = replacement
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end
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def undo!
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undo_replacement = post.replacements.create(replacement_url: replacement.original_url)
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undoer = Replacer.new(post: post, replacement: undo_replacement)
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undoer.process!
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end
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def replacement_url
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if replacement.replacement_file.present?
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"file://#{replacement.replacement_file.original_filename}"
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else
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Sources::Strategies.find(replacement.replacement_url).canonical_url
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end
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end
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def process!
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media_file = Utils::get_file_for_upload(replacement.replacement_url, nil, replacement.replacement_file&.tempfile)
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if Post.where.not(id: post.id).exists?(md5: media_file.md5)
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raise Error, "Duplicate: post with md5 #{media_file.md5} already exists"
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end
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if media_file.md5 == post.md5
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media_asset = post.media_asset
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else
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media_asset = MediaAsset.upload!(media_file)
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end
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replacement.replacement_url = replacement_url
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replacement.file_ext = media_asset.file_ext
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replacement.file_size = media_asset.file_size
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replacement.image_height = media_asset.image_height
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replacement.image_width = media_asset.image_width
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replacement.md5 = media_asset.md5
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post.md5 = media_asset.md5
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post.file_ext = media_asset.file_ext
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post.image_width = media_asset.image_width
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post.image_height = media_asset.image_height
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post.file_size = media_asset.file_size
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post.source = replacement.final_source.presence || replacement.replacement_url
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post.tag_string = replacement.tags
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rescale_notes(post)
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replacement.save!
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post.save!
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post.update_iqdb
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end
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def rescale_notes(post)
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x_scale = post.image_width.to_f / post.image_width_was.to_f
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y_scale = post.image_height.to_f / post.image_height_was.to_f
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post.notes.each do |note|
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note.rescale!(x_scale, y_scale)
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end
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end
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end
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end
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