forked from fedi/mastodon
59 lines
1.3 KiB
Ruby
59 lines
1.3 KiB
Ruby
# frozen_string_literal: true
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class ActivityPub::Parser::MediaAttachmentParser
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include JsonLdHelper
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def initialize(json)
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@json = json
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end
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# @param [MediaAttachment] previous_record
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def significantly_changes?(previous_record)
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remote_url != previous_record.remote_url ||
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thumbnail_remote_url != previous_record.thumbnail_remote_url ||
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description != previous_record.description
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end
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def remote_url
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Addressable::URI.parse(@json['url'])&.normalize&.to_s
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rescue Addressable::URI::InvalidURIError
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nil
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end
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def thumbnail_remote_url
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Addressable::URI.parse(@json['icon'].is_a?(Hash) ? @json['icon']['url'] : @json['icon'])&.normalize&.to_s
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rescue Addressable::URI::InvalidURIError
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nil
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end
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def description
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str = @json['summary'].presence || @json['name'].presence
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str = str.strip[0...MediaAttachment::MAX_DESCRIPTION_LENGTH] if str.present?
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str
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end
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def focus
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@json['focalPoint']
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end
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def blurhash
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supported_blurhash? ? @json['blurhash'] : nil
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end
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def file_content_type
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@json['mediaType']
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end
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private
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def supported_blurhash?
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components = begin
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blurhash = @json['blurhash']
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Blurhash.components(blurhash) if blurhash.present? && /^[\w#$%*+,-.:;=?@\[\]^{|}~]+$/.match?(blurhash)
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end
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components.present? && components.none? { |comp| comp > 5 }
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end
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end
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