mirror of
https://github.com/discourse/discourse.git
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b425fbc2a2
This commit moves the generation of category background CSS from the server side to the client side. This simplifies the server side code because it does not need to check which categories are visible to the current user.
237 lines
6.7 KiB
Ruby
237 lines
6.7 KiB
Ruby
# frozen_string_literal: true
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require "global_path"
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module Stylesheet
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class Importer
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include GlobalPath
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THEME_TARGETS ||= %w[embedded_theme mobile_theme desktop_theme]
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def self.plugin_assets
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@plugin_assets ||= {}
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end
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def self.register_imports!
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Discourse.plugins.each do |plugin|
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plugin_directory_name = plugin.directory_name
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["", "mobile", "desktop"].each do |type|
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asset_name = type.present? ? "#{plugin_directory_name}_#{type}" : plugin_directory_name
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stylesheets =
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(
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if type.present?
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DiscoursePluginRegistry.send("#{type}_stylesheets")
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else
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DiscoursePluginRegistry.stylesheets
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end
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)
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plugin_assets[asset_name] = stylesheets[
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plugin_directory_name
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] if plugin_directory_name.present?
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end
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end
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end
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register_imports!
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def font
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body_font = DiscourseFonts.fonts.find { |f| f[:key] == SiteSetting.base_font }
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heading_font = DiscourseFonts.fonts.find { |f| f[:key] == SiteSetting.heading_font }
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contents = +""
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contents << <<~CSS if body_font.present?
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#{font_css(body_font)}
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:root {
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--font-family: #{body_font[:stack]};
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}
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CSS
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contents << <<~CSS if heading_font.present?
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#{font_css(heading_font)}
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:root {
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--heading-font-family: #{heading_font[:stack]};
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}
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CSS
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contents
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end
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def wizard_fonts
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contents = +""
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DiscourseFonts.fonts.each do |font|
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if font[:key] == "system"
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# Overwrite font definition because the preview canvases in the wizard require explicit @font-face definitions.
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# uses same technique as https://github.com/jonathantneal/system-font-css
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font[:variants] = [
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{
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src:
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'local(".SFNS-Regular"), local(".SFNSText-Regular"), local(".HelveticaNeueDeskInterface-Regular"), local(".LucidaGrandeUI"), local("Segoe UI"), local("Ubuntu"), local("Roboto-Regular"), local("DroidSans"), local("Tahoma")',
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weight: 400,
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},
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{
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src:
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'local(".SFNS-Bold"), local(".SFNSText-Bold"), local(".HelveticaNeueDeskInterface-Bold"), local(".LucidaGrandeUI"), local("Segoe UI Bold"), local("Ubuntu Bold"), local("Roboto-Bold"), local("DroidSans-Bold"), local("Tahoma Bold")',
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weight: 700,
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},
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]
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end
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contents << font_css(font)
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contents << <<~CSS
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.body-font-#{font[:key].tr("_", "-")} {
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font-family: #{font[:stack]};
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}
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.heading-font-#{font[:key].tr("_", "-")} h2 {
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font-family: #{font[:stack]};
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}
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CSS
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end
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contents
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end
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def import_color_definitions
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contents = +""
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DiscoursePluginRegistry.color_definition_stylesheets.each do |name, path|
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contents << "\n\n// Color definitions from #{name}\n\n"
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contents << File.read(path.to_s)
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contents << "\n\n"
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end
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theme_id = @theme_id || SiteSetting.default_theme_id
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resolved_ids = Theme.transform_ids(theme_id)
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if resolved_ids
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theme = Theme.find_by_id(theme_id)
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contents << theme&.scss_variables.to_s
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Theme
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.list_baked_fields(resolved_ids, :common, :color_definitions)
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.each do |field|
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contents << "\n\n// Color definitions from #{field.theme.name}\n\n"
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if field.theme_id == theme.id
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contents << field.value
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else
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contents << field.compiled_css(prepended_scss)
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end
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contents << "\n\n"
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end
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end
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contents
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end
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def import_wcag_overrides
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if @color_scheme_id && ColorScheme.find_by_id(@color_scheme_id)&.is_wcag?
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return "@import \"wcag\";"
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end
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""
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end
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def color_variables
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contents = +""
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if @color_scheme_id
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colors =
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begin
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ColorScheme.find(@color_scheme_id).resolved_colors
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rescue StandardError
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ColorScheme.base_colors
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end
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elsif (@theme_id && !theme.component)
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colors = theme&.color_scheme&.resolved_colors || ColorScheme.base_colors
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else
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# this is a slightly ugly backwards compatibility fix,
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# we shouldn't be using the default theme color scheme for components
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# (most components use CSS custom properties which work fine without this)
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colors =
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Theme.find_by_id(SiteSetting.default_theme_id)&.color_scheme&.resolved_colors ||
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ColorScheme.base_colors
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end
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colors.each { |n, hex| contents << "$#{n}: ##{hex} !default; " }
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contents
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end
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def public_image_path
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image_path = UrlHelper.absolute("#{Discourse.base_path}/images")
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"$public_image_path: \"#{image_path}\"; "
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end
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def prepended_scss
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"#{color_variables} #{public_image_path} @import \"common/foundation/variables\"; @import \"common/foundation/mixins\"; "
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end
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def initialize(options)
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@theme = options[:theme]
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@theme_id = options[:theme_id]
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@color_scheme_id = options[:color_scheme_id]
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if @theme && !@theme_id
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# make up an id so other stuff does not bail out
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@theme_id = @theme.id || -1
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end
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end
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def theme_import(target)
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return "" if !@theme_id
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attr = target == :embedded_theme ? :embedded_scss : :scss
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target = target.to_s.gsub("_theme", "").to_sym
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contents = +""
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fields = theme.list_baked_fields(target, attr)
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fields.map do |field|
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value = field.value
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if value.present?
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contents << <<~SCSS
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// Theme: #{field.theme.name}
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// Target: #{field.target_name} #{field.name}
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// Last Edited: #{field.updated_at}
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SCSS
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contents << value
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end
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end
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contents
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end
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def theme
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@theme = (@theme_id && Theme.find(@theme_id)) || :nil unless @theme
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@theme == :nil ? nil : @theme
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end
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def font_css(font)
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contents = +""
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if font[:variants].present?
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fonts_dir = UrlHelper.absolute("#{Discourse.base_path}/fonts")
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font[:variants].each do |variant|
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src =
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(
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if variant[:src]
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variant[:src]
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else
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"url(\"#{fonts_dir}/#{variant[:filename]}?v=#{DiscourseFonts::VERSION}\") format(\"#{variant[:format]}\")"
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end
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)
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contents << <<~CSS
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@font-face {
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font-family: #{font[:name]};
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src: #{src};
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font-weight: #{variant[:weight]};
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}
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CSS
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end
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end
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contents
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end
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end
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end
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