341 lines
10 KiB
Ruby
341 lines
10 KiB
Ruby
require_dependency 'theme_settings_parser'
|
|
require_dependency 'theme_translation_parser'
|
|
require_dependency 'theme_javascript_compiler'
|
|
|
|
class ThemeField < ActiveRecord::Base
|
|
|
|
belongs_to :upload
|
|
has_one :javascript_cache, dependent: :destroy
|
|
|
|
scope :find_by_theme_ids, ->(theme_ids) {
|
|
return none unless theme_ids.present?
|
|
|
|
where(theme_id: theme_ids)
|
|
.joins(
|
|
"JOIN (
|
|
SELECT #{theme_ids.map.with_index { |id, idx| "#{id.to_i} AS theme_id, #{idx} AS theme_sort_column" }.join(" UNION ALL SELECT ")}
|
|
) as X ON X.theme_id = theme_fields.theme_id")
|
|
.order("theme_sort_column")
|
|
}
|
|
|
|
scope :find_locale_fields, ->(theme_ids, locale_codes) {
|
|
return none unless theme_ids.present? && locale_codes.present?
|
|
|
|
find_by_theme_ids(theme_ids)
|
|
.where(target_id: Theme.targets[:translations], name: locale_codes)
|
|
.joins(self.sanitize_sql_array([
|
|
"JOIN (
|
|
SELECT * FROM (VALUES #{locale_codes.map { "(?)" }.join(",")}) as Y (locale_code, locale_sort_column)
|
|
) as Y ON Y.locale_code = theme_fields.name",
|
|
*locale_codes.map.with_index { |code, index| [code, index] }
|
|
]))
|
|
.reorder("X.theme_sort_column", "Y.locale_sort_column")
|
|
}
|
|
|
|
scope :find_first_locale_fields, ->(theme_ids, locale_codes) {
|
|
find_locale_fields(theme_ids, locale_codes)
|
|
.select("DISTINCT ON (X.theme_sort_column) *")
|
|
}
|
|
|
|
def self.types
|
|
@types ||= Enum.new(html: 0,
|
|
scss: 1,
|
|
theme_upload_var: 2,
|
|
theme_color_var: 3,
|
|
theme_var: 4,
|
|
yaml: 5)
|
|
end
|
|
|
|
def self.theme_var_type_ids
|
|
@theme_var_type_ids ||= [2, 3, 4]
|
|
end
|
|
|
|
def self.force_recompilation!
|
|
find_each do |field|
|
|
field.compiler_version = 0
|
|
field.ensure_baked!
|
|
end
|
|
end
|
|
|
|
validates :name, format: { with: /\A[a-z_][a-z0-9_-]*\z/i },
|
|
if: Proc.new { |field| ThemeField.theme_var_type_ids.include?(field.type_id) }
|
|
|
|
COMPILER_VERSION = 9
|
|
|
|
belongs_to :theme
|
|
|
|
def process_html(html)
|
|
errors = []
|
|
javascript_cache || build_javascript_cache
|
|
|
|
js_compiler = ThemeJavascriptCompiler.new(theme_id)
|
|
|
|
doc = Nokogiri::HTML.fragment(html)
|
|
|
|
doc.css('script[type="text/x-handlebars"]').each do |node|
|
|
name = node["name"] || node["data-template-name"] || "broken"
|
|
is_raw = name =~ /\.raw$/
|
|
hbs_template = node.inner_html
|
|
|
|
begin
|
|
if is_raw
|
|
js_compiler.append_raw_template(name, hbs_template)
|
|
else
|
|
js_compiler.append_ember_template(name, hbs_template)
|
|
end
|
|
rescue ThemeJavascriptCompiler::CompileError => ex
|
|
errors << ex.message
|
|
end
|
|
|
|
node.remove
|
|
end
|
|
|
|
doc.css('script[type="text/discourse-plugin"]').each do |node|
|
|
next unless node['version'].present?
|
|
begin
|
|
js_compiler.append_plugin_script(node.inner_html, node['version'])
|
|
rescue ThemeJavascriptCompiler::CompileError => ex
|
|
errors << ex.message
|
|
end
|
|
|
|
node.remove
|
|
end
|
|
|
|
doc.css('script').each do |node|
|
|
next unless inline_javascript?(node)
|
|
js_compiler.append_raw_script(node.inner_html)
|
|
node.remove
|
|
end
|
|
|
|
errors.each do |error|
|
|
js_compiler.append_js_error(error)
|
|
end
|
|
|
|
js_compiler.prepend_settings(theme.cached_settings) if js_compiler.content.present? && theme.cached_settings.present?
|
|
javascript_cache.content = js_compiler.content
|
|
javascript_cache.save!
|
|
|
|
doc.add_child("<script src='#{javascript_cache.url}'></script>") if javascript_cache.content.present?
|
|
[doc.to_s, errors&.join("\n")]
|
|
end
|
|
|
|
def raw_translation_data
|
|
# Might raise ThemeTranslationParser::InvalidYaml
|
|
ThemeTranslationParser.new(self).load
|
|
end
|
|
|
|
def translation_data(with_overrides: true)
|
|
fallback_fields = theme.theme_fields.find_locale_fields([theme.id], I18n.fallbacks[name])
|
|
|
|
fallback_data = fallback_fields.each_with_index.map do |field, index|
|
|
begin
|
|
field.raw_translation_data
|
|
rescue ThemeTranslationParser::InvalidYaml
|
|
# If this is the locale with the error, raise it.
|
|
# If not, let the other theme_field raise the error when it processes itself
|
|
raise if field.id == id
|
|
{}
|
|
end
|
|
end
|
|
|
|
# TODO: Deduplicate the fallback data in the same way as JSLocaleHelper#load_translations_merged
|
|
# this would reduce the size of the payload, without affecting functionality
|
|
data = {}
|
|
fallback_data.each { |hash| data.merge!(hash) }
|
|
overrides = theme.translation_override_hash.deep_symbolize_keys
|
|
data.deep_merge!(overrides) if with_overrides
|
|
data
|
|
end
|
|
|
|
def process_translation
|
|
errors = []
|
|
javascript_cache || build_javascript_cache
|
|
js_compiler = ThemeJavascriptCompiler.new(theme_id)
|
|
begin
|
|
data = translation_data
|
|
|
|
js = <<~JS
|
|
/* Translation data for theme #{self.theme_id} (#{self.name})*/
|
|
const data = #{data.to_json};
|
|
|
|
for (let lang in data){
|
|
let cursor = I18n.translations;
|
|
for (let key of [lang, "js", "theme_translations"]){
|
|
cursor = cursor[key] = cursor[key] || {};
|
|
}
|
|
cursor[#{self.theme_id}] = data[lang];
|
|
}
|
|
JS
|
|
|
|
js_compiler.append_plugin_script(js, 0)
|
|
rescue ThemeTranslationParser::InvalidYaml => e
|
|
errors << e.message
|
|
end
|
|
|
|
javascript_cache.content = js_compiler.content
|
|
javascript_cache.save!
|
|
doc = ""
|
|
doc = "<script src='#{javascript_cache.url}'></script>" if javascript_cache.content.present?
|
|
[doc, errors&.join("\n")]
|
|
end
|
|
|
|
def validate_yaml!
|
|
return unless self.name == "yaml"
|
|
|
|
errors = []
|
|
begin
|
|
ThemeSettingsParser.new(self).load do |name, default, type, opts|
|
|
setting = ThemeSetting.new(name: name, data_type: type, theme: theme)
|
|
translation_key = "themes.settings_errors"
|
|
|
|
if setting.invalid?
|
|
setting.errors.details.each_pair do |attribute, _errors|
|
|
_errors.each do |hash|
|
|
errors << I18n.t("#{translation_key}.#{attribute}_#{hash[:error]}", name: name)
|
|
end
|
|
end
|
|
end
|
|
|
|
if default.nil?
|
|
errors << I18n.t("#{translation_key}.default_value_missing", name: name)
|
|
end
|
|
|
|
if (min = opts[:min]) && (max = opts[:max])
|
|
unless ThemeSetting.value_in_range?(default, (min..max), type)
|
|
errors << I18n.t("#{translation_key}.default_out_range", name: name)
|
|
end
|
|
end
|
|
|
|
unless ThemeSetting.acceptable_value_for_type?(default, type)
|
|
errors << I18n.t("#{translation_key}.default_not_match_type", name: name)
|
|
end
|
|
end
|
|
rescue ThemeSettingsParser::InvalidYaml => e
|
|
errors << e.message
|
|
end
|
|
|
|
self.error = errors.join("\n").presence
|
|
end
|
|
|
|
def self.guess_type(name:, target:)
|
|
if html_fields.include?(name.to_s)
|
|
types[:html]
|
|
elsif scss_fields.include?(name.to_s)
|
|
types[:scss]
|
|
elsif name.to_s == "yaml" || target.to_s == "translations"
|
|
types[:yaml]
|
|
end
|
|
end
|
|
|
|
def self.html_fields
|
|
@html_fields ||= %w(body_tag head_tag header footer after_header)
|
|
end
|
|
|
|
def self.scss_fields
|
|
@scss_fields ||= %w(scss embedded_scss)
|
|
end
|
|
|
|
def ensure_baked!
|
|
if ThemeField.html_fields.include?(self.name) || translation = Theme.targets[:translations] == self.target_id
|
|
if !self.value_baked || compiler_version != COMPILER_VERSION
|
|
self.value_baked, self.error = translation ? process_translation : process_html(self.value)
|
|
self.error = nil unless self.error.present?
|
|
self.compiler_version = COMPILER_VERSION
|
|
|
|
if self.will_save_change_to_value_baked? ||
|
|
self.will_save_change_to_compiler_version? ||
|
|
self.will_save_change_to_error?
|
|
|
|
self.update_columns(value_baked: value_baked,
|
|
compiler_version: compiler_version,
|
|
error: error)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
def ensure_scss_compiles!
|
|
if ThemeField.scss_fields.include?(self.name)
|
|
begin
|
|
Stylesheet::Compiler.compile("@import \"theme_variables\"; @import \"theme_field\";",
|
|
"theme.scss",
|
|
theme_field: self.value.dup,
|
|
theme: self.theme
|
|
)
|
|
self.error = nil unless error.nil?
|
|
rescue SassC::SyntaxError => e
|
|
self.error = e.message unless self.destroyed?
|
|
end
|
|
|
|
if will_save_change_to_error?
|
|
update_columns(error: self.error)
|
|
end
|
|
end
|
|
end
|
|
|
|
def target_name
|
|
Theme.targets.invert[target_id].to_s
|
|
end
|
|
|
|
before_save do
|
|
validate_yaml!
|
|
|
|
if will_save_change_to_value? && !will_save_change_to_value_baked?
|
|
self.value_baked = nil
|
|
end
|
|
end
|
|
|
|
after_commit do
|
|
ensure_baked!
|
|
ensure_scss_compiles!
|
|
theme.clear_cached_settings!
|
|
|
|
Stylesheet::Manager.clear_theme_cache! if self.name.include?("scss")
|
|
CSP::Extension.clear_theme_extensions_cache! if name == 'yaml'
|
|
|
|
# TODO message for mobile vs desktop
|
|
MessageBus.publish "/header-change/#{theme.id}", self.value if theme && self.name == "header"
|
|
MessageBus.publish "/footer-change/#{theme.id}", self.value if theme && self.name == "footer"
|
|
end
|
|
|
|
private
|
|
|
|
JAVASCRIPT_TYPES = %w(
|
|
text/javascript
|
|
application/javascript
|
|
application/ecmascript
|
|
)
|
|
|
|
def inline_javascript?(node)
|
|
if node['src'].present?
|
|
false
|
|
elsif node['type'].present?
|
|
JAVASCRIPT_TYPES.include?(node['type'].downcase)
|
|
else
|
|
true
|
|
end
|
|
end
|
|
end
|
|
|
|
# == Schema Information
|
|
#
|
|
# Table name: theme_fields
|
|
#
|
|
# id :integer not null, primary key
|
|
# theme_id :integer not null
|
|
# target_id :integer not null
|
|
# name :string(30) not null
|
|
# value :text not null
|
|
# value_baked :text
|
|
# created_at :datetime not null
|
|
# updated_at :datetime not null
|
|
# compiler_version :integer default(0), not null
|
|
# error :string
|
|
# upload_id :integer
|
|
# type_id :integer default(0), not null
|
|
#
|
|
# Indexes
|
|
#
|
|
# theme_field_unique_index (theme_id,target_id,type_id,name) UNIQUE
|
|
#
|