module SiteIconManager extend GlobalPath @cache = DistributedCache.new('icon_manager') SKETCH_LOGO_ID = -6 ICONS = { digest_logo: { width: nil, height: nil, settings: [:digest_logo, :logo], fallback_to_sketch: false, resize_required: false }, mobile_logo: { width: nil, height: nil, settings: [:mobile_logo, :logo], fallback_to_sketch: false, resize_required: false }, large_icon: { width: nil, height: nil, settings: [:large_icon, :logo_small], fallback_to_sketch: true, resize_required: false }, manifest_icon: { width: 512, height: 512, settings: [:manifest_icon, :large_icon, :logo_small], fallback_to_sketch: true, resize_required: true }, favicon: { width: 32, height: 32, settings: [:favicon, :large_icon, :logo_small], fallback_to_sketch: true, resize_required: false }, apple_touch_icon: { width: 180, height: 180, settings: [:apple_touch_icon, :large_icon, :logo_small], fallback_to_sketch: true, resize_required: false }, opengraph_image: { width: nil, height: nil, settings: [:opengraph_image, :large_icon, :logo_small, :logo], fallback_to_sketch: true, resize_required: false }, } WATCHED_SETTINGS = ICONS.keys + [:logo, :logo_small] def self.ensure_optimized! unless @disabled ICONS.each do |name, info| icon = resolve_original(info) if info[:height] && info[:width] OptimizedImage.create_for(icon, info[:width], info[:height]) end end end @cache.clear end ICONS.each do |name, info| define_singleton_method(name) do icon = resolve_original(info) if info[:height] && info[:width] result = OptimizedImage.find_by(upload: icon, height: info[:height], width: info[:width]) end result = icon if !result && !info[:resize_required] result end define_singleton_method("#{name}_url") do get_set_cache("#{name}_url") do icon = self.public_send(name) icon ? full_cdn_url(icon.url) : '' end end end # Used in test mode def self.disable @disabled = true end def self.enable @disabled = false end private def self.get_set_cache(key) @cache[key] ||= yield end def self.resolve_original(info) info[:settings].each do |setting_name| value = SiteSetting.send(setting_name) return value if value end return Upload.find(SKETCH_LOGO_ID) if info[:fallback_to_sketch] nil end end