# frozen_string_literal: true class ColorScheme < ActiveRecord::Base # rubocop:disable Layout/HashAlignment CUSTOM_SCHEMES = { Dark: { "primary" => "dddddd", "secondary" => "222222", "tertiary" => "0f82af", "quaternary" => "c14924", "header_background" => "111111", "header_primary" => "dddddd", "highlight" => "a87137", "danger" => "e45735", "success" => "1ca551", "love" => "fa6c8d", }, # By @itsbhanusharma Neutral: { "primary" => "000000", "secondary" => "ffffff", "tertiary" => "51839b", "quaternary" => "b85e48", "header_background" => "333333", "header_primary" => "f3f3f3", "highlight" => "ecec70", "danger" => "b85e48", "success" => "518751", "love" => "fa6c8d", }, # By @Flower_Child "Grey Amber": { "primary" => "d9d9d9", "secondary" => "3d4147", "tertiary" => "fdd459", "quaternary" => "fdd459", "header_background" => "36393e", "header_primary" => "d9d9d9", "highlight" => "fdd459", "danger" => "e45735", "success" => "fdd459", "love" => "fdd459", }, # By @rafafotes "Shades of Blue": { "primary" => "203243", "secondary" => "eef4f7", "tertiary" => "416376", "quaternary" => "5e99b9", "header_background" => "86bddb", "header_primary" => "203243", "highlight" => "86bddb", "danger" => "bf3c3c", "success" => "70db82", "love" => "fc94cb", }, # By @mikechristopher Latte: { "primary" => "f2e5d7", "secondary" => "262322", "tertiary" => "f7f2ed", "quaternary" => "d7c9aa", "header_background" => "d7c9aa", "header_primary" => "262322", "highlight" => "d7c9aa", "danger" => "db9584", "success" => "78be78", "love" => "8f6201", }, # By @Flower_Child Summer: { "primary" => "874342", "secondary" => "fffff4", "tertiary" => "fe9896", "quaternary" => "fcc9d0", "header_background" => "96ccbf", "header_primary" => "fff1e7", "highlight" => "f3c07f", "danger" => "cfebdc", "success" => "fcb4b5", "love" => "f3c07f", }, # By @Flower_Child "Dark Rose": { "primary" => "ca9cb2", "secondary" => "3a2a37", "tertiary" => "fdd459", "quaternary" => "7e566a", "header_background" => "a97189", "header_primary" => "d9b2bb", "highlight" => "6c3e63", "danger" => "6c3e63", "success" => "d9b2bb", "love" => "d9b2bb", }, WCAG: { "primary" => "000000", "primary-medium" => "696969", "primary-low-mid" => "909090", "secondary" => "ffffff", "tertiary" => "3369FF", "quaternary" => "3369FF", "header_background" => "ffffff", "header_primary" => "000000", "highlight" => "3369FF", "highlight-high" => "0036E6", "highlight-medium" => "e0e9ff", "highlight-low" => "e0e9ff", "danger" => "BB1122", "success" => "3d854d", "love" => "9D256B", }, "WCAG Dark": { "primary" => "ffffff", "primary-medium" => "999999", "primary-low-mid" => "888888", "secondary" => "0c0c0c", "tertiary" => "759AFF", "quaternary" => "759AFF", "header_background" => "000000", "header_primary" => "ffffff", "highlight" => "3369FF", "danger" => "BB1122", "success" => "3d854d", "love" => "9D256B", }, # By @zenorocha Dracula: { "primary_very_low" => "373A47", "primary_low" => "414350", "primary_low_mid" => "8C8D94", "primary_medium" => "A3A4AA", "primary_high" => "CCCCCF", "primary" => "f2f2f2", "primary-50" => "3F414E", "primary-100" => "535460", "primary-200" => "666972", "primary-300" => "7A7C84", "primary-400" => "8D8F96", "primary-500" => "A2A3A9", "primary-600" => "B6B7BC", "primary-700" => "C7C7C7", "primary-800" => "DEDFE0", "primary-900" => "F5F5F5", "secondary_low" => "CCCCCF", "secondary_medium" => "91939A", "secondary_high" => "6A6C76", "secondary_very_high" => "3D404C", "secondary" => "2d303e", "tertiary_low" => "4A4463", "tertiary_medium" => "6E5D92", "tertiary" => "bd93f9", "tertiary_high" => "9275C1", "quaternary_low" => "6AA8BA", "quaternary" => "8be9fd", "header_background" => "373A47", "header_primary" => "f2f2f2", "highlight_low" => "686D55", "highlight_medium" => "52592B", "highlight" => "52592B", "highlight_high" => "C0C879", "danger_low" => "957279", "danger" => "ff5555", "success_low" => "386D50", "success_medium" => "44B366", "success" => "50fa7b", "love_low" => "6C4667", "love" => "ff79c6", }, # By @altercation "Solarized Light": { "primary_very_low" => "F0ECD7", "primary_low" => "D6D8C7", "primary_low_mid" => "A4AFA5", "primary_medium" => "7E918C", "primary_high" => "4C6869", "primary" => "002B36", "primary-50" => "F0EBDA", "primary-100" => "DAD8CA", "primary-200" => "B2B9B3", "primary-300" => "839496", "primary-400" => "76898C", "primary-500" => "697F83", "primary-600" => "627A7E", "primary-700" => "556F74", "primary-800" => "415F66", "primary-900" => "21454E", "secondary_low" => "325458", "secondary_medium" => "6C8280", "secondary_high" => "97A59D", "secondary_very_high" => "E8E6D3", "secondary" => "FCF6E1", "tertiary_low" => "D6E6DE", "tertiary_medium" => "7EBFD7", "tertiary" => "0088cc", "tertiary_high" => "329ED0", "quaternary" => "e45735", "header_background" => "FCF6E1", "header_primary" => "002B36", "highlight_low" => "FDF9AD", "highlight_medium" => "E3D0A3", "highlight" => "F2F481", "highlight_high" => "BCAA7F", "danger_low" => "F8D9C2", "danger" => "e45735", "success_low" => "CFE5B9", "success_medium" => "4CB544", "success" => "009900", "love_low" => "FCDDD2", "love" => "fa6c8d", }, # By @altercation "Solarized Dark": { "primary_very_low" => "0D353F", "primary_low" => "193F47", "primary_low_mid" => "798C88", "primary_medium" => "97A59D", "primary_high" => "B5BDB1", "primary" => "FCF6E1", "primary-50" => "21454E", "primary-100" => "415F66", "primary-200" => "556F74", "primary-300" => "627A7E", "primary-400" => "697F83", "primary-500" => "76898C", "primary-600" => "839496", "primary-700" => "B2B9B3", "primary-800" => "DAD8CA", "primary-900" => "F0EBDA", "secondary_low" => "B5BDB1", "secondary_medium" => "81938D", "secondary_high" => "4E6A6B", "secondary_very_high" => "143B44", "secondary" => "002B36", "tertiary_low" => "003E54", "tertiary_medium" => "00557A", "tertiary" => "0088cc", "tertiary_high" => "006C9F", "quaternary_low" => "944835", "quaternary" => "e45735", "header_background" => "002B36", "header_primary" => "FCF6E1", "highlight_low" => "4D6B3D", "highlight_medium" => "464C33", "highlight" => "F2F481", "highlight_high" => "BFCA47", "danger_low" => "443836", "danger_medium" => "944835", "danger" => "e45735", "success_low" => "004C26", "success_medium" => "007313", "success" => "009900", "love_low" => "4B3F50", "love" => "fa6c8d", }, } # rubocop:enable Layout/HashAlignment LIGHT_THEME_ID = "Light" def self.base_color_scheme_colors base_with_hash = [] base_colors.each { |name, color| base_with_hash << { name: name, hex: "#{color}" } } list = [{ id: LIGHT_THEME_ID, colors: base_with_hash }] CUSTOM_SCHEMES.each do |k, v| colors = [] v.each { |name, color| colors << { name: name, hex: "#{color}" } } list.push(id: k.to_s, colors: colors) end list end def self.hex_cache @hex_cache ||= DistributedCache.new("scheme_hex_for_name") end attr_accessor :is_base attr_accessor :skip_publish has_many :color_scheme_colors, -> { order("id ASC") }, dependent: :destroy alias_method :colors, :color_scheme_colors before_save :bump_version after_save_commit :publish_discourse_stylesheet, unless: :skip_publish after_save_commit :dump_caches after_destroy :dump_caches belongs_to :theme validates_associated :color_scheme_colors BASE_COLORS_FILE = "#{Rails.root}/app/assets/stylesheets/common/foundation/colors.scss" COLOR_TRANSFORMATION_FILE = "#{Rails.root}/app/assets/stylesheets/common/foundation/color_transformations.scss" @mutex = Mutex.new def self.base_colors return @base_colors if @base_colors @mutex.synchronize do return @base_colors if @base_colors base_colors = {} File .readlines(BASE_COLORS_FILE) .each do |line| matches = /\$([\w]+):\s*#([0-9a-fA-F]{3}|[0-9a-fA-F]{6})(?:[;]|\s)/.match(line.strip) base_colors[matches[1]] = matches[2] if matches end @base_colors = base_colors end @base_colors end def self.color_transformation_variables return @transformation_variables if @transformation_variables @mutex.synchronize do return @transformation_variables if @transformation_variables transformation_variables = [] File .readlines(COLOR_TRANSFORMATION_FILE) .each do |line| matches = /\$([\w\-_]+):.*/.match(line.strip) transformation_variables.append(matches[1]) if matches end @transformation_variables = transformation_variables end @transformation_variables end def self.base_color_schemes base_color_scheme_colors.map do |hash| scheme = new( name: I18n.t("color_schemes.#{hash[:id].downcase.gsub(" ", "_")}"), base_scheme_id: hash[:id], ) scheme.colors = hash[:colors].map { |k| { name: k[:name], hex: k[:hex] } } scheme.is_base = true scheme end end def self.base return @base_color_scheme if @base_color_scheme @base_color_scheme = new(name: I18n.t("color_schemes.base_theme_name")) @base_color_scheme.colors = base_colors.map { |name, hex| { name: name, hex: hex } } @base_color_scheme.is_base = true @base_color_scheme end def self.is_base?(scheme_name) base_color_scheme_colors.map { |c| c[:id] }.include?(scheme_name) end # create_from_base will create a new ColorScheme that overrides Discourse's base color scheme with the given colors. def self.create_from_base(params) new_color_scheme = new(name: params[:name]) new_color_scheme.via_wizard = true if params[:via_wizard] new_color_scheme.base_scheme_id = params[:base_scheme_id] new_color_scheme.user_selectable = true colors = CUSTOM_SCHEMES[params[:base_scheme_id].to_sym]&.map do |name, hex| { name: name, hex: hex } end if params[:base_scheme_id] colors ||= base.colors_hashes # Override base values params[:colors].each do |name, hex| c = colors.find { |x| x[:name].to_s == name.to_s } c[:hex] = hex end if params[:colors] new_color_scheme.colors = colors new_color_scheme.skip_publish if params[:skip_publish] new_color_scheme.save new_color_scheme end def self.lookup_hex_for_name(name, scheme_id = nil) enabled_color_scheme = find_by(id: scheme_id) if scheme_id enabled_color_scheme ||= Theme.where(id: SiteSetting.default_theme_id).first&.color_scheme (enabled_color_scheme || base).colors.find { |c| c.name == name }.try(:hex) || "nil" end def self.hex_for_name(name, scheme_id = nil) cache_key = scheme_id ? name + "_#{scheme_id}" : name hex_cache[cache_key] ||= lookup_hex_for_name(name, scheme_id) hex_cache[cache_key] == "nil" ? nil : hex_cache[cache_key] end def colors=(arr) @colors_by_name = nil arr.each { |c| self.color_scheme_colors << ColorSchemeColor.new(name: c[:name], hex: c[:hex]) } end def colors_by_name @colors_by_name ||= self .colors .inject({}) do |sum, c| sum[c.name] = c sum end end def clear_colors_cache @colors_by_name = nil end def colors_hashes color_scheme_colors.map { |c| { name: c.name, hex: c.hex } } end def base_colors colors = nil colors = CUSTOM_SCHEMES[base_scheme_id.to_sym] if base_scheme_id && base_scheme_id != "Light" colors || ColorScheme.base_colors end def resolved_colors resolved = ColorScheme.base_colors.dup if base_scheme_id && base_scheme_id != "Light" if scheme = CUSTOM_SCHEMES[base_scheme_id.to_sym] scheme.each { |name, value| resolved[name] = value } end end colors.each { |c| resolved[c.name] = c.hex } resolved end def publish_discourse_stylesheet self.class.publish_discourse_stylesheets!(self.id) if self.id end def self.publish_discourse_stylesheets!(id = nil) Stylesheet::Manager.clear_color_scheme_cache! theme_ids = [] if id theme_ids = Theme.where(color_scheme_id: id).pluck(:id) else theme_ids = Theme.all.pluck(:id) end if theme_ids.present? Stylesheet::Manager.cache.clear Theme.notify_theme_change( theme_ids, with_scheme: true, clear_manager_cache: false, all_themes: true, ) end end def dump_caches self.class.hex_cache.clear ApplicationSerializer.expire_cache_fragment!("user_color_schemes") end def bump_version self.version += 1 if self.id end def is_dark? return if colors.to_a.empty? primary_b = brightness(colors_by_name["primary"].hex) secondary_b = brightness(colors_by_name["secondary"].hex) primary_b > secondary_b end def is_wcag? base_scheme_id&.start_with?("WCAG") end # Equivalent to dc-color-brightness() in variables.scss def brightness(color) rgb = color.scan(/../).map { |c| c.to_i(16) } (rgb[0].to_i * 299 + rgb[1].to_i * 587 + rgb[2].to_i * 114) / 1000.0 end end # == Schema Information # # Table name: color_schemes # # id :integer not null, primary key # name :string not null # version :integer default(1), not null # created_at :datetime not null # updated_at :datetime not null # via_wizard :boolean default(FALSE), not null # base_scheme_id :string # theme_id :integer # user_selectable :boolean default(FALSE), not null #