2019-05-02 18:17:27 -04:00
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# frozen_string_literal: true
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2017-04-12 10:52:52 -04:00
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require_dependency 'distributed_cache'
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require_dependency 'stylesheet/compiler'
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module Stylesheet; end
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class Stylesheet::Manager
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CACHE_PATH ||= 'tmp/stylesheet-cache'
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MANIFEST_DIR ||= "#{Rails.root}/tmp/cache/assets/#{Rails.env}"
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MANIFEST_FULL_PATH ||= "#{MANIFEST_DIR}/stylesheet-manifest"
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2018-08-08 00:46:34 -04:00
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THEME_REGEX ||= /_theme$/
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2020-08-03 22:57:10 -04:00
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COLOR_SCHEME_STYLESHEET ||= "color_definitions"
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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@@lock = Mutex.new
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2017-04-12 10:52:52 -04:00
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def self.cache
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@cache ||= DistributedCache.new("discourse_stylesheet")
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end
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def self.clear_theme_cache!
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2019-10-10 01:10:23 -04:00
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cache.hash.keys.select { |k| k =~ /theme/ }.each { |k| cache.delete(k) }
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end
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2020-08-18 13:02:13 -04:00
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def self.clear_color_scheme_cache!
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cache.hash.keys.select { |k| k =~ /color_definitions/ }.each { |k| cache.delete(k) }
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end
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2019-10-10 01:10:23 -04:00
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def self.clear_core_cache!(targets)
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cache.hash.keys.select { |k| k =~ /#{targets.join('|')}/ }.each { |k| cache.delete(k) }
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end
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def self.clear_plugin_cache!(plugin)
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cache.hash.keys.select { |k| k =~ /#{plugin}/ }.each { |k| cache.delete(k) }
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2017-04-12 10:52:52 -04:00
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end
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2020-08-18 13:02:13 -04:00
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def self.color_scheme_cache_key(color_scheme, theme_id = nil)
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2020-08-11 16:28:59 -04:00
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color_scheme_name = Slug.for(color_scheme.name) + color_scheme&.id.to_s
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2020-08-18 13:02:13 -04:00
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theme_string = theme_id ? "_theme#{theme_id}" : ""
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2021-07-06 13:11:10 -04:00
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"#{COLOR_SCHEME_STYLESHEET}_#{color_scheme_name}_#{theme_string}_#{Discourse.current_hostname}"
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2020-08-11 16:28:59 -04:00
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end
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2017-04-12 10:52:52 -04:00
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def self.precompile_css
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2021-07-06 13:11:10 -04:00
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targets = [:desktop, :mobile, :desktop_rtl, :mobile_rtl, :admin, :wizard]
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targets += Discourse.find_plugin_css_assets(include_disabled: true, mobile_view: true, desktop_view: true)
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targets.each do |target|
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$stderr.puts "precompile target: #{target}"
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Stylesheet::Manager::Builder.new(target: target, manager: nil).compile(force: true)
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end
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end
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def self.precompile_theme_css
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2021-06-30 22:09:39 -04:00
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themes = Theme.where('user_selectable OR id = ?', SiteSetting.default_theme_id).pluck(:id, :color_scheme_id)
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2020-11-11 18:17:38 -05:00
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color_schemes = ColorScheme.where(user_selectable: true).to_a
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color_schemes << ColorScheme.find_by(id: SiteSetting.default_dark_mode_color_scheme_id)
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2021-07-06 13:11:10 -04:00
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color_schemes << ColorScheme.base
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2020-11-11 18:17:38 -05:00
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color_schemes = color_schemes.compact.uniq
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2021-07-06 13:11:10 -04:00
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targets = [:desktop_theme, :mobile_theme]
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2021-06-30 22:09:39 -04:00
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compiled = Set.new
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2020-11-11 18:17:38 -05:00
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2021-07-06 13:11:10 -04:00
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themes.each do |theme_id, color_scheme_id|
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2021-06-15 02:57:17 -04:00
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manager = self.new(theme_id: theme_id)
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2017-04-12 12:46:03 -04:00
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2021-06-15 02:57:17 -04:00
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targets.each do |target|
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2021-07-06 13:11:10 -04:00
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next if theme_id == -1
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2021-06-30 22:09:39 -04:00
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2021-07-06 13:11:10 -04:00
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scss_checker = ScssChecker.new(target, manager.theme_ids)
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2021-06-30 04:06:13 -04:00
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2021-07-06 13:11:10 -04:00
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manager.load_themes(manager.theme_ids).each do |theme|
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next if compiled.include?("#{target}_#{theme.id}")
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2021-06-30 04:06:13 -04:00
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2021-07-06 13:11:10 -04:00
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builder = Stylesheet::Manager::Builder.new(
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2021-06-30 22:52:21 -04:00
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target: target, theme: theme, manager: manager
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2021-07-06 13:11:10 -04:00
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)
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next if theme.component && !scss_checker.has_scss(theme.id)
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$stderr.puts "precompile target: #{target} #{theme.name}"
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builder.compile(force: true)
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compiled << "#{target}_#{theme.id}"
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2021-05-20 02:01:54 -04:00
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end
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2017-04-12 10:52:52 -04:00
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end
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2020-08-03 22:57:10 -04:00
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2021-07-06 13:11:10 -04:00
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theme_color_scheme = ColorScheme.find_by_id(color_scheme_id)
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2021-06-30 22:09:39 -04:00
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theme = manager.get_theme(theme_id)
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2020-08-03 22:57:10 -04:00
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2021-07-06 13:11:10 -04:00
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[theme_color_scheme, *color_schemes].compact.uniq.each do |scheme|
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$stderr.puts "precompile target: #{COLOR_SCHEME_STYLESHEET} #{theme.name} (#{scheme.name})"
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2020-11-11 18:17:38 -05:00
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2021-06-15 02:57:17 -04:00
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Stylesheet::Manager::Builder.new(
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target: COLOR_SCHEME_STYLESHEET,
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2021-06-30 22:09:39 -04:00
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theme: theme,
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2021-06-15 02:57:17 -04:00
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color_scheme: scheme,
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manager: manager
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).compile(force: true)
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2020-11-11 18:17:38 -05:00
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end
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2021-06-30 22:09:39 -04:00
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2020-08-18 13:02:13 -04:00
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clear_color_scheme_cache!
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2020-08-03 22:57:10 -04:00
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end
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2017-04-12 10:52:52 -04:00
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nil
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end
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def self.last_file_updated
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if Rails.env.production?
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@last_file_updated ||= if File.exists?(MANIFEST_FULL_PATH)
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File.readlines(MANIFEST_FULL_PATH, 'r')[0]
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else
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mtime = max_file_mtime
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FileUtils.mkdir_p(MANIFEST_DIR)
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File.open(MANIFEST_FULL_PATH, "w") { |f| f.print(mtime) }
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mtime
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end
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else
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max_file_mtime
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end
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end
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def self.max_file_mtime
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2017-04-12 12:30:24 -04:00
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globs = ["#{Rails.root}/app/assets/stylesheets/**/*.*css",
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"#{Rails.root}/app/assets/images/**/*.*"]
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2017-04-12 10:52:52 -04:00
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Discourse.plugins.map { |plugin| File.dirname(plugin.path) }.each do |path|
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2017-04-12 12:30:24 -04:00
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globs << "#{path}/plugin.rb"
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2021-04-28 12:27:18 -04:00
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globs << "#{path}/assets/stylesheets/**/*.*css"
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2017-04-12 10:52:52 -04:00
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end
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globs.map do |pattern|
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Dir.glob(pattern).map { |x| File.mtime(x) }.max
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end.compact.max.to_i
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end
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2018-08-08 00:46:34 -04:00
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def self.cache_fullpath
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2021-07-26 00:22:54 -04:00
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path = "#{Rails.root}/#{CACHE_PATH}"
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return path if !Rails.env.test?
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File.join(path, "test_#{ENV['TEST_ENV_NUMBER'].presence || '0'}")
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2018-08-08 00:46:34 -04:00
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end
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2021-06-15 02:57:17 -04:00
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attr_reader :theme_ids
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def initialize(theme_id: nil)
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2021-06-17 22:16:26 -04:00
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@theme_id = theme_id
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2021-06-15 02:57:17 -04:00
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@theme_ids = Theme.transform_ids(@theme_id)
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@themes_cache = {}
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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def cache
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self.class.cache
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end
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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def get_theme(theme_id)
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if theme = @themes_cache[theme_id]
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theme
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else
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load_themes([theme_id]).first
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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end
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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def load_themes(theme_ids)
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themes = []
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to_load_theme_ids = []
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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theme_ids.each do |theme_id|
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if @themes_cache[theme_id]
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themes << @themes_cache[theme_id]
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else
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to_load_theme_ids << theme_id
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2017-04-12 10:52:52 -04:00
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end
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end
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2021-06-15 02:57:17 -04:00
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Theme
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.where(id: to_load_theme_ids)
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.includes(:yaml_theme_fields, :theme_settings, :upload_fields, :builder_theme_fields)
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.each do |theme|
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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@themes_cache[theme.id] = theme
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themes << theme
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end
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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themes
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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def stylesheet_data(target = :desktop)
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stylesheet_details(target, "all")
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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def stylesheet_link_tag(target = :desktop, media = 'all')
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stylesheets = stylesheet_details(target, media)
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stylesheets.map do |stylesheet|
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href = stylesheet[:new_href]
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theme_id = stylesheet[:theme_id]
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data_theme_id = theme_id ? "data-theme-id=\"#{theme_id}\"" : ""
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2021-07-15 12:51:46 -04:00
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theme_name = stylesheet[:theme_name]
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2021-12-13 05:50:09 -05:00
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data_theme_name = theme_name ? "data-theme-name=\"#{CGI.escapeHTML(theme_name)}\"" : ""
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2021-07-15 12:51:46 -04:00
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%[<link href="#{href}" media="#{media}" rel="stylesheet" data-target="#{target}" #{data_theme_id} #{data_theme_name}/>]
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2021-06-15 02:57:17 -04:00
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end.join("\n").html_safe
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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def stylesheet_details(target = :desktop, media = 'all')
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target = target.to_sym
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current_hostname = Discourse.current_hostname
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2021-07-06 13:11:10 -04:00
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is_theme_target = !!(target.to_s =~ THEME_REGEX)
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array_cache_key = is_theme_target ?
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"array_themes_#{@theme_ids.join(",")}_#{target}_#{current_hostname}" :
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"array_#{target}_#{current_hostname}"
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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stylesheets = cache[array_cache_key]
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return stylesheets if stylesheets.present?
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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@@lock.synchronize do
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stylesheets = []
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2017-04-12 10:52:52 -04:00
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2021-07-06 13:11:10 -04:00
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if is_theme_target
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2021-07-15 12:51:46 -04:00
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scss_checker = ScssChecker.new(target, @theme_ids)
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themes = load_themes(@theme_ids)
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2021-07-06 13:11:10 -04:00
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themes.each do |theme|
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theme_id = theme&.id
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2021-07-15 12:51:46 -04:00
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data = { target: target, theme_id: theme_id, theme_name: theme&.name.downcase, remote: theme.remote_theme_id? }
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2021-07-06 13:11:10 -04:00
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builder = Builder.new(target: target, theme: theme, manager: self)
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2021-07-15 12:51:46 -04:00
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next if builder.theme&.component && !scss_checker.has_scss(theme_id)
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builder.compile unless File.exists?(builder.stylesheet_fullpath)
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href = builder.stylesheet_path(current_hostname)
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2021-06-21 20:27:11 -04:00
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2021-07-06 13:11:10 -04:00
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data[:new_href] = href
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stylesheets << data
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2021-06-30 09:33:15 -04:00
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end
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2021-07-15 12:51:46 -04:00
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2021-08-24 21:37:07 -04:00
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if stylesheets.size > 1
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2021-07-15 12:51:46 -04:00
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stylesheets = stylesheets.sort_by do |s|
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[
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s[:remote] ? 0 : 1,
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s[:theme_id] == @theme_id ? 1 : 0,
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s[:theme_name]
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]
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end
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end
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2021-07-06 13:11:10 -04:00
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else
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builder = Builder.new(target: target, manager: self)
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builder.compile unless File.exists?(builder.stylesheet_fullpath)
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href = builder.stylesheet_path(current_hostname)
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data = { target: target, new_href: href }
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2021-06-15 02:57:17 -04:00
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stylesheets << data
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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cache.defer_set(array_cache_key, stylesheets.freeze)
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stylesheets
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2017-04-12 10:52:52 -04:00
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end
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end
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2021-06-15 02:57:17 -04:00
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def color_scheme_stylesheet_details(color_scheme_id = nil, media)
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2021-06-17 22:16:26 -04:00
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theme_id = @theme_id || SiteSetting.default_theme_id
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2017-04-12 10:52:52 -04:00
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2021-06-15 02:57:17 -04:00
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color_scheme = begin
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ColorScheme.find(color_scheme_id)
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rescue
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# don't load fallback when requesting dark color scheme
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return false if media != "all"
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2021-04-27 09:33:43 -04:00
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2021-06-15 02:57:17 -04:00
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get_theme(theme_id)&.color_scheme || ColorScheme.base
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2017-04-12 10:52:52 -04:00
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end
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2021-06-15 02:57:17 -04:00
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return false if !color_scheme
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2018-03-04 19:04:23 -05:00
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2021-06-15 02:57:17 -04:00
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target = COLOR_SCHEME_STYLESHEET.to_sym
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current_hostname = Discourse.current_hostname
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cache_key = self.class.color_scheme_cache_key(color_scheme, theme_id)
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stylesheets = cache[cache_key]
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return stylesheets if stylesheets.present?
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2018-08-30 06:53:03 -04:00
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2021-06-15 02:57:17 -04:00
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stylesheet = { color_scheme_id: color_scheme.id }
|
2018-08-08 00:46:34 -04:00
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2021-06-15 02:57:17 -04:00
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theme = get_theme(theme_id)
|
2018-08-08 00:46:34 -04:00
|
|
|
|
2021-06-21 00:44:41 -04:00
|
|
|
builder = Builder.new(
|
|
|
|
target: target,
|
|
|
|
theme: get_theme(theme_id),
|
|
|
|
color_scheme: color_scheme,
|
|
|
|
manager: self
|
|
|
|
)
|
|
|
|
|
|
|
|
builder.compile unless File.exists?(builder.stylesheet_fullpath)
|
|
|
|
|
|
|
|
href = builder.stylesheet_path(current_hostname)
|
|
|
|
stylesheet[:new_href] = href
|
|
|
|
cache.defer_set(cache_key, stylesheet.freeze)
|
|
|
|
stylesheet
|
2018-06-13 09:54:26 -04:00
|
|
|
end
|
|
|
|
|
2021-06-15 02:57:17 -04:00
|
|
|
def color_scheme_stylesheet_link_tag(color_scheme_id = nil, media = 'all')
|
|
|
|
stylesheet = color_scheme_stylesheet_details(color_scheme_id, media)
|
2020-08-11 16:28:59 -04:00
|
|
|
|
2021-06-15 02:57:17 -04:00
|
|
|
return '' if !stylesheet
|
2017-04-12 10:52:52 -04:00
|
|
|
|
2021-06-15 02:57:17 -04:00
|
|
|
href = stylesheet[:new_href]
|
2017-04-12 10:52:52 -04:00
|
|
|
|
2021-06-15 02:57:17 -04:00
|
|
|
css_class = media == 'all' ? "light-scheme" : "dark-scheme"
|
2017-04-12 10:52:52 -04:00
|
|
|
|
2021-06-15 02:57:17 -04:00
|
|
|
%[<link href="#{href}" media="#{media}" rel="stylesheet" class="#{css_class}"/>].html_safe
|
2017-04-12 10:52:52 -04:00
|
|
|
end
|
|
|
|
end
|