Class: SpreeCmCommissioner::SeatLayouts::SanitizeSvg

Inherits:
Object
  • Object
show all
Includes:
Spree::ServiceModule::Base
Defined in:
app/services/spree_cm_commissioner/seat_layouts/sanitize_svg.rb

Overview

Sanitizes an admin-uploaded background SVG once, before it's saved to the DB — so every downstream consumer (the dashboard builder and the app) can later extract paths from it or render it directly, without each having to sanitize or normalize it again itself.

Strips 



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# File 'app/services/spree_cm_commissioner/seat_layouts/sanitize_svg.rb', line 23

def call(svg:)
  document = Nokogiri::XML(svg.to_s) { |config| config.strict.noblanks }
  root = document.root

  return failure(nil, 'Not a valid SVG document') if root.nil? || root.name != 'svg'

  strip_disallowed_elements(document)
  strip_event_handlers(document)
  strip_external_references(document)

  width, height, view_box = extract_dimensions(root)
  full_bleed_shape_ids = detect_full_bleed_rects(document, width, height)
  normalize_shapes_to_paths(document)

  success(
    svg: document.to_xml,
    width: width,
    height: height,
    view_box: view_box,
    full_bleed_shape_ids: full_bleed_shape_ids
  )
rescue Nokogiri::XML::SyntaxError => e
  failure(nil, "Invalid SVG: #{e.message}")
end