343 lines
7.0 KiB
Ruby
343 lines
7.0 KiB
Ruby
# frozen_string_literal: true
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require_dependency 'distributed_cache'
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module SvgSprite
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SVG_ICONS ||= Set.new([
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"adjust",
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"anchor",
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"angle-double-down",
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"angle-double-up",
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"angle-down",
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"angle-right",
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"angle-up",
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"archive",
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"arrows-alt-h",
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"arrow-down",
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"arrow-up",
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"arrow-left",
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"at",
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"backward",
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"ban",
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"bars",
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"bed",
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"bell-slash",
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"bold",
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"book",
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"bookmark",
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"briefcase",
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"calendar-alt",
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"caret-down",
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"caret-left",
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"caret-right",
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"caret-up",
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"certificate",
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"chart-bar",
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"chart-pie",
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"check",
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"check-circle",
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"check-square",
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"chevron-down",
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"chevron-right",
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"chevron-up",
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"circle",
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"code",
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"cog",
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"columns",
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"comment",
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"compress",
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"copy",
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"crosshairs",
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"cube",
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"desktop",
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"download",
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"ellipsis-h",
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"ellipsis-v",
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"envelope",
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"envelope-square",
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"exchange-alt",
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"exclamation-circle",
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"exclamation-triangle",
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"external-link-alt",
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"expand",
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"fab-apple",
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"fab-discourse",
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"fab-facebook-f",
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"fab-facebook-square",
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"fab-github",
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"fab-google-plus-square",
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"fab-instagram",
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"fab-twitter",
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"fab-linux",
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"fab-twitter-square",
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"fab-windows",
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"fab-yahoo",
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"far-bell",
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"far-bell-slash",
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"far-calendar-plus",
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"far-chart-bar",
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"far-check-square",
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"far-circle",
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"far-clipboard",
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"far-clock",
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"far-comment",
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"far-dot-circle",
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"far-edit",
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"far-envelope",
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"far-eye",
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"far-eye-slash",
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"far-file-alt",
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"far-frown",
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"far-heart",
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"far-image",
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"far-list-alt",
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"far-moon",
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"far-smile",
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"far-square",
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"far-sun",
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"far-thumbs-down",
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"far-thumbs-up",
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"far-trash-alt",
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"fast-backward",
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"fast-forward",
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"file",
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"file-alt",
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"filter",
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"flag",
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"folder",
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"folder-open",
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"forward",
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"gavel",
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"globe",
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"globe-americas",
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"hand-point-right",
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"heading",
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"heart",
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"home",
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"info-circle",
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"italic",
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"key",
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"link",
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"list",
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"list-ol",
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"list-ul",
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"lock",
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"map-marker-alt",
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"magic",
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"microphone-slash",
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"minus",
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"minus-circle",
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"mobile-alt",
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"paint-brush",
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"paper-plane",
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"pencil-alt",
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"plug",
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"plus",
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"plus-circle",
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"plus-square",
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"power-off",
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"question",
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"question-circle",
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"quote-left",
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"quote-right",
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"random",
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"redo",
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"reply",
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"rocket",
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"search",
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"share",
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"shield-alt",
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"shower",
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"signal",
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"sign-out-alt",
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"step-backward",
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"step-forward",
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"sync",
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"table",
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"tag",
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"tasks",
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"tv",
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"thermometer-three-quarters",
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"thumbs-down",
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"thumbs-up",
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"thumbtack",
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"times",
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"times-circle",
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"trash-alt",
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"undo",
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"unlink",
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"unlock",
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"unlock-alt",
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"upload",
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"user",
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"user-plus",
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"user-secret",
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"user-times",
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"users",
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"wrench"
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])
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FA_ICON_MAP = { 'far fa-' => 'far-', 'fab fa-' => 'fab-', 'fas fa-' => '', 'fa-' => '' }
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def self.svg_sprite_cache
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@svg_sprite_cache ||= DistributedCache.new('svg_sprite')
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end
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def self.all_icons
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icons = Set.new()
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icons
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.merge(settings_icons)
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.merge(plugin_icons)
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.merge(badge_icons)
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.merge(group_icons)
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.merge(theme_icons)
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.delete_if { |i| i.blank? || i.include?("/") }
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.map! { |i| process(i.dup) }
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.merge(SVG_ICONS)
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icons
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end
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def self.rebuild_cache
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icons = all_icons
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svg_sprite_cache['icons'] = icons
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svg_sprite_cache['version'] = Digest::SHA1.hexdigest(icons.sort.join('|'))
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end
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def self.expire_cache
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svg_sprite_cache.clear
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end
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def self.version
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svg_sprite_cache['version'] || rebuild_cache
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end
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def self.bundle
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icons = svg_sprite_cache['icons'] || all_icons
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doc = File.open("#{Rails.root}/vendor/assets/svg-icons/fontawesome/solid.svg") { |f| Nokogiri::XML(f) }
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fa_license = doc.at('//comment()').text
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svg_subset = """<!--
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Discourse SVG subset of #{fa_license}
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-->
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<svg xmlns='http://www.w3.org/2000/svg' style='display: none;'>
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""".dup
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Dir["#{Rails.root}/vendor/assets/svg-icons/fontawesome/*.svg"].each do |fname|
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svg_file = Nokogiri::XML(File.open(fname)) do |config|
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config.options = Nokogiri::XML::ParseOptions::NOBLANKS
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end
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svg_filename = "#{File.basename(fname, ".svg")}"
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svg_file.css('symbol').each do |sym|
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icon_id = prepare_symbol(sym, svg_filename)
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if icons.include? icon_id
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sym.attributes['id'].value = icon_id
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sym.css('title').each { |t| t.remove }
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svg_subset << sym.to_xml
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end
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end
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end
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svg_subset << '</svg>'
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end
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def self.search(searched_icon)
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searched_icon = process(searched_icon.dup)
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Dir["#{Rails.root}/vendor/assets/svg-icons/fontawesome/*.svg"].each do |fname|
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svg_file = Nokogiri::XML(File.open(fname))
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svg_filename = "#{File.basename(fname, ".svg")}"
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svg_file.css('symbol').each do |sym|
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icon_id = prepare_symbol(sym, svg_filename)
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if searched_icon == icon_id
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sym.attributes['id'].value = icon_id
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sym.css('title').each { |t| t.remove }
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return sym.to_xml
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end
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end
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end
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return false
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end
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def self.prepare_symbol(symbol, svg_filename)
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icon_id = symbol.attr('id')
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case svg_filename
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when "regular"
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icon_id = icon_id.prepend('far-')
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when "brands"
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icon_id = icon_id.prepend('fab-')
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end
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icon_id
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end
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def self.path
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"/svg-sprite/#{Discourse.current_hostname}/svg-#{version}.js"
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end
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def self.settings_icons
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# includes svg_icon_subset and any settings containing _icon (incl. plugin settings)
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site_setting_icons = []
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SiteSetting.settings_hash.select do |key, value|
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if key.to_s.include?("_icon") && value.present? && value.class == String
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site_setting_icons |= value.split('|')
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end
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end
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site_setting_icons
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end
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DiscourseEvent.on(:site_setting_saved) do |site_setting|
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expire_cache if site_setting.name.to_s.include?("_icon")
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end
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def self.plugin_icons
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DiscoursePluginRegistry.svg_icons
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end
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def self.badge_icons
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Badge.all.pluck(:icon).uniq
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end
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def self.group_icons
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Group.where("flair_url LIKE '%fa-%'").pluck(:flair_url).uniq
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end
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def self.theme_icons
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theme_icon_settings = []
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# Theme.all includes default values
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Theme.all.each do |theme|
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settings = theme.cached_settings.each do |key, value|
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if key.to_s.include?("_icon") && value.present? && value.class == String
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theme_icon_settings |= value.split('|')
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end
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end
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end
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theme_icon_settings
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end
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def self.fa4_shim_file
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"#{Rails.root}/lib/svg_sprite/fa4-renames.json"
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end
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def self.fa4_to_fa5_names
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@db ||= File.open(fa4_shim_file, "r:UTF-8") { |f| JSON.parse(f.read); }
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end
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def self.process(icon_name)
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icon_name = icon_name.strip
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FA_ICON_MAP.each { |k, v| icon_name.sub!(k, v) }
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fa4_to_fa5_names[icon_name] || icon_name
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end
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end
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