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855fe26066
Hoping the third time is the charm for fixing a flaky color scheme spec, this one specifically: https://github.com/discourse/discourse/blob/main/spec/system/admin_color_palettes_config_area_spec.rb#L302 It seems the issue was that the localized name for the light color scheme was getting cached, so it would be wrong depending on test order and therefore flaky. This resolves the translated name on every call and adjusts accordingly.
383 lines
11 KiB
Ruby
383 lines
11 KiB
Ruby
# frozen_string_literal: true
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require "distributed_cache"
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require "stylesheet/compiler"
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module Stylesheet
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end
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class Stylesheet::Manager
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# Bump this number to invalidate all stylesheet caches (e.g. if you change something inside the compiler)
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BASE_COMPILER_VERSION = 6
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# Add any dependencies here which should automatically cause a global cache invalidation.
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BASE_CACHE_KEY = "#{BASE_COMPILER_VERSION}::#{DiscourseFonts::VERSION}"
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CACHE_PATH = "tmp/stylesheet-cache"
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private_constant :CACHE_PATH
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MANIFEST_DIR = "#{Rails.root}/tmp/cache/assets/#{Rails.env}"
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THEME_REGEX = /_theme(_rtl)?\z/
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COLOR_SCHEME_STYLESHEET = "color_definitions"
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@@lock = Mutex.new
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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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cache.clear_regex(/theme/)
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end
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def self.clear_color_scheme_cache!
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cache.clear_regex(/color_definitions/)
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end
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def self.clear_core_cache!(targets)
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cache.clear_regex(/#{targets.join("|")}/)
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end
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def self.clear_plugin_cache!(plugin)
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cache.clear_regex(/#{plugin}/)
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end
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def self.color_scheme_cache_key(color_scheme, theme_id = nil)
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color_scheme_name = Slug.for(color_scheme.read_attribute(:name)) + color_scheme&.id.to_s
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theme_string = theme_id ? "_theme#{theme_id}" : ""
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"#{COLOR_SCHEME_STYLESHEET}_#{color_scheme_name}_#{theme_string}_#{Discourse.current_hostname}_#{GlobalSetting.relative_url_root}"
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end
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def self.precompile_css
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targets = %i[common desktop mobile admin wizard]
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targets += targets.map { |t| :"#{t}_rtl" }
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targets +=
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Discourse.find_plugin_css_assets(
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include_disabled: true,
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mobile_view: true,
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desktop_view: true,
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)
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targets +=
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Discourse.find_plugin_css_assets(
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include_disabled: true,
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mobile_view: true,
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desktop_view: true,
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rtl: true,
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)
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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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themes =
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Theme.where("user_selectable OR id = ?", SiteSetting.default_theme_id).pluck(
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:id,
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:color_scheme_id,
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:dark_color_scheme_id,
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)
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color_schemes = ColorScheme.where(user_selectable: true).to_a
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color_schemes << ColorScheme.base
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color_schemes = color_schemes.compact.uniq
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targets = %i[common_theme desktop_theme mobile_theme]
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targets += targets.map { |t| :"#{t}_rtl" }
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compiled = Set.new
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themes.each do |theme_id, light_color_scheme_id, dark_color_scheme_id|
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manager = self.new(theme_id: theme_id)
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targets.each do |target|
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next if theme_id == -1
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scss_checker = ScssChecker.new(target.to_s.delete_suffix("_rtl"), manager.theme_ids)
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manager
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.load_themes(manager.theme_ids)
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.each do |theme|
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next if compiled.include?("#{target}_#{theme.id}")
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builder =
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Stylesheet::Manager::Builder.new(target: target, theme: theme, manager: manager)
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next if !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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end
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end
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theme_color_scheme = ColorScheme.find_by_id(light_color_scheme_id)
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theme_dark_color_scheme = ColorScheme.find_by_id(dark_color_scheme_id)
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theme = manager.get_theme(theme_id)
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[theme_color_scheme, theme_dark_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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Stylesheet::Manager::Builder.new(
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target: COLOR_SCHEME_STYLESHEET,
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theme: theme,
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color_scheme: scheme,
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manager: manager,
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).compile(force: true)
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end
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clear_color_scheme_cache!
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end
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nil
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end
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def self.fs_asset_cachebuster
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if use_file_hash_for_cachebuster?
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@cachebuster ||=
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if File.exist?(manifest_full_path)
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File.readlines(manifest_full_path, "r")[0]
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else
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cachebuster = "#{BASE_CACHE_KEY}:#{fs_assets_hash}"
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FileUtils.mkdir_p(MANIFEST_DIR)
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File.open(manifest_full_path, "w") { |f| f.print(cachebuster) }
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cachebuster
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end
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else
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"#{BASE_CACHE_KEY}:#{max_file_mtime}"
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end
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end
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def self.recalculate_fs_asset_cachebuster!
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File.delete(manifest_full_path) if File.exist?(manifest_full_path)
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@cachebuster = nil
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fs_asset_cachebuster
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end
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def self.manifest_full_path
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path = "#{MANIFEST_DIR}/stylesheet-manifest"
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return path if !Rails.env.test?
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"#{path}-test_#{ENV["TEST_ENV_NUMBER"].presence || "0"}"
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end
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private_class_method :manifest_full_path
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def self.use_file_hash_for_cachebuster?
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Rails.env.production?
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end
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private_class_method :use_file_hash_for_cachebuster?
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def self.list_files
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globs = [
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"#{Rails.root}/app/assets/stylesheets/**/*.*css",
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"#{Rails.root}/app/assets/images/**/*.*",
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"#{Rails.root}/lib/stylesheet/*.rb",
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]
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Discourse.plugins.each do |plugin|
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path = File.dirname(plugin.path)
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globs << "#{path}/plugin.rb"
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globs << "#{path}/assets/stylesheets/**/*.*css"
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end
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globs.flat_map { |g| Dir.glob(g) }.compact
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end
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private_class_method :list_files
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def self.max_file_mtime
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list_files.map { |x| File.mtime(x) }.compact.max.to_i
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end
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private_class_method :max_file_mtime
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def self.fs_assets_hash
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hashes = list_files.sort.map { |x| Digest::SHA1.hexdigest("#{x}: #{File.read(x)}") }
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Digest::SHA1.hexdigest(hashes.join("|"))
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end
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private_class_method :fs_assets_hash
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def self.cache_fullpath
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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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end
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if Rails.env.test?
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def self.rm_cache_folder
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FileUtils.rm_rf(cache_fullpath)
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end
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end
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attr_reader :theme_ids
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def initialize(theme_id: nil)
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@theme_id = theme_id
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@theme_ids = Theme.transform_ids(@theme_id)
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@themes_cache = {}
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end
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def cache
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self.class.cache
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end
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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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end
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end
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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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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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end
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end
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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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@themes_cache[theme.id] = theme
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themes << theme
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end
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themes
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end
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def stylesheet_data(target = :desktop)
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stylesheet_details(target, "all")
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end
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def stylesheet_preload_tag(target = :desktop, media = "all")
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stylesheets = stylesheet_details(target, media)
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stylesheets
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.map do |stylesheet|
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href = stylesheet[:new_href]
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%[<link href="#{href}" rel="preload" as="style"/>]
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end
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.join("\n")
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.html_safe
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end
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def stylesheet_link_tag(target = :desktop, media = "all", preload_callback = nil)
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stylesheets = stylesheet_details(target, media)
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stylesheets
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.map do |stylesheet|
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href = stylesheet[:new_href]
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preload_callback.call(href, "style") if preload_callback
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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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theme_name = stylesheet[:theme_name]
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data_theme_name = theme_name ? "data-theme-name=\"#{CGI.escapeHTML(theme_name)}\"" : ""
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%[<link href="#{href}" media="#{media}" rel="stylesheet" data-target="#{target}" #{data_theme_id} #{data_theme_name}/>]
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end
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.join("\n")
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.html_safe
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end
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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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relative_url_root = GlobalSetting.relative_url_root
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is_theme_target = !!(target.to_s =~ THEME_REGEX)
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array_cache_key =
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(
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if is_theme_target
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"array_themes_#{@theme_ids.join(",")}_#{target}_#{current_hostname}_#{relative_url_root}"
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else
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"array_#{target}_#{current_hostname}_#{relative_url_root}"
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end
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)
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cache.defer_get_set(array_cache_key) do
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@@lock.synchronize do
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stylesheets = []
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if is_theme_target
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scss_checker = ScssChecker.new(target.to_s.delete_suffix("_rtl"), @theme_ids)
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themes = load_themes(@theme_ids)
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themes.each do |theme|
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theme_id = theme&.id
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data = {
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target: target,
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theme_id: theme_id,
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theme_name: theme&.name&.downcase,
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remote: theme.remote_theme_id?,
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}
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builder = Builder.new(target: target, theme: theme, manager: self)
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next if !scss_checker.has_scss(theme_id)
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builder.compile unless File.exist?(builder.stylesheet_fullpath)
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href = builder.stylesheet_absolute_url
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data[:new_href] = href
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stylesheets << data
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end
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if stylesheets.size > 1
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stylesheets =
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stylesheets.sort_by do |s|
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[s[:remote] ? 0 : 1, s[:theme_id] == @theme_id ? 1 : 0, s[:theme_name]]
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end
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end
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else
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builder = Builder.new(target: target, manager: self)
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builder.compile unless File.exist?(builder.stylesheet_fullpath)
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href = builder.stylesheet_absolute_url
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data = { target: target, new_href: href }
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stylesheets << data
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end
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stylesheets
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end
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end
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end
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def color_scheme_stylesheet_details(color_scheme_id = nil, fallback_to_base: true)
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theme_id = @theme_id || SiteSetting.default_theme_id
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theme_id = nil if !Theme.theme_ids.include?(theme_id)
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color_scheme = ColorScheme.find_by(id: color_scheme_id)
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return if !color_scheme && !fallback_to_base
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theme = theme_id ? get_theme(theme_id) : nil
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color_scheme ||= theme&.color_scheme || ColorScheme.base
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cache_key = self.class.color_scheme_cache_key(color_scheme, theme_id)
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cache.defer_get_set(cache_key) do
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stylesheet = { color_scheme_id: color_scheme.id }
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builder =
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Builder.new(target: COLOR_SCHEME_STYLESHEET.to_sym, theme:, color_scheme:, manager: self)
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builder.compile unless File.exist?(builder.stylesheet_fullpath)
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stylesheet[:new_href] = builder.stylesheet_absolute_url
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stylesheet.freeze
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end
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end
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def color_scheme_stylesheet_preload_tag(color_scheme_id = nil, fallback_to_base: true)
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stylesheet = color_scheme_stylesheet_details(color_scheme_id, fallback_to_base:)
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return "" if !stylesheet
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href = stylesheet[:new_href]
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%[<link href="#{href}" rel="preload" as="style"/>].html_safe
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end
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def color_scheme_stylesheet_link_tag_href(color_scheme_id = nil, fallback_to_base: true)
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stylesheet = color_scheme_stylesheet_details(color_scheme_id, fallback_to_base:)
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return if !stylesheet
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stylesheet[:new_href]
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end
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end
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