eminuxandCursor
c4e5f289cf
Include autenticazione, progetti isolati, mail marketing HTML con SMTP, test A/B e editor WYSIWYG. Co-authored-by: Cursor <cursoragent@cursor.com>
49 lines
1.2 KiB
Ruby
49 lines
1.2 KiB
Ruby
class Mailings::InlineImages
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BLOB_PATH = %r{/rails/active_storage/blobs/(?:redirect/|proxy/)?([^/?#]+)}
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def self.call(mailer, html)
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new(mailer).call(html)
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end
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def initialize(mailer)
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@mailer = mailer
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end
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def call(html)
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fragment = Nokogiri::HTML::DocumentFragment.parse(html.to_s)
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fragment.css("img").each_with_index do |img, index|
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blob = blob_from(img["src"])
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next unless blob
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name = "inline-#{index}-#{blob.filename}"
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@mailer.attachments.inline[name] = {
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mime_type: blob.content_type,
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content: blob.download
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}
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img["src"] = @mailer.attachments[name].url
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width = img["width"].presence
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styles = ["max-width: 100%", "height: auto"]
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styles << "width: #{width}px" if width.present?
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img["style"] = [img["style"], *styles].compact.join("; ")
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end
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fragment.css("figure").each do |figure|
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image = figure.at_css("img")
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image ? figure.replace(image) : figure.remove
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end
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fragment.to_html
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end
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private
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def blob_from(src)
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signed_id = src.to_s[BLOB_PATH, 1]
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return if signed_id.blank?
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ActiveStorage::Blob.find_signed(signed_id)
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rescue ActiveSupport::MessageVerifier::InvalidSignature, ActiveRecord::RecordNotFound
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nil
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end
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end
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