discourse/lib/site_settings/defaults_provider.rb

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module SiteSettings; end
# A cache for providing default value based on site locale
class SiteSettings::DefaultsProvider
include Enumerable
CONSUMED_OPTS = %i[default locale_default].freeze
DEFAULT_LOCALE_KEY = :default_locale
DEFAULT_LOCALE = 'en'.freeze
DEFAULT_CATEGORY = 'required'.freeze
@@site_locales ||= DistributedCache.new('site_locales')
def initialize(site_setting)
@site_setting = site_setting
@site_setting.refresh_settings << DEFAULT_LOCALE_KEY
@defaults = {}
@defaults[DEFAULT_LOCALE.to_sym] = {}
refresh_site_locale!
end
def load_setting(name_arg, value, opts = {})
name = name_arg.to_sym
@defaults[DEFAULT_LOCALE.to_sym][name] = value
if (locale_default = opts[:locale_default])
locale_default.each do |locale, v|
locale = locale.to_sym
@defaults[locale] ||= {}
@defaults[locale][name] = v
end
end
end
def db_all
@site_setting.provider.all.delete_if { |s| s.name.to_sym == DEFAULT_LOCALE_KEY }
end
def all
@defaults[DEFAULT_LOCALE.to_sym].merge(@defaults[self.site_locale.to_sym] || {})
end
def get(name)
@defaults.dig(self.site_locale.to_sym, name.to_sym) ||
@defaults.dig(DEFAULT_LOCALE.to_sym, name.to_sym)
end
alias [] get
# Used to override site settings in dev/test env
def set_regardless_of_locale(name, value)
name = name.to_sym
if @site_setting.has_setting?(name)
@defaults.each { |_, hash| hash.delete(name) }
@defaults[DEFAULT_LOCALE.to_sym][name] = value
value, type = @site_setting.type_supervisor.to_db_value(name, value)
@defaults[self.site_locale.to_sym] ||= {}
@defaults[self.site_locale.to_sym][name] = @site_setting.type_supervisor.to_rb_value(name, value, type)
else
raise ArgumentError.new("No setting named '#{name}' exists")
end
end
def site_locale
@@site_locales[current_db]
end
def site_locale=(val)
val = val.to_s
raise Discourse::InvalidParameters.new(:value) unless LocaleSiteSetting.valid_value?(val)
if val != @@site_locales[current_db]
@site_setting.provider.save(DEFAULT_LOCALE_KEY, val, SiteSetting.types[:string])
refresh_site_locale!
@site_setting.refresh!
Discourse.request_refresh!
end
@@site_locales[current_db]
end
def each(&block)
self.all.each do |key, value|
block.call(key.to_sym, value)
end
end
def locale_setting_hash
{
setting: DEFAULT_LOCALE_KEY,
default: DEFAULT_LOCALE,
category: DEFAULT_CATEGORY,
description: @site_setting.description(DEFAULT_LOCALE_KEY),
type: SiteSetting.types[SiteSetting.types[:enum]],
preview: nil,
value: @@site_locales[current_db],
valid_values: LocaleSiteSetting.values,
translate_names: LocaleSiteSetting.translate_names?
}
end
def refresh_site_locale!
RailsMultisite::ConnectionManagement.each_connection do |db|
@@site_locales[db] =
if GlobalSetting.respond_to?(DEFAULT_LOCALE_KEY) &&
(global_val = GlobalSetting.send(DEFAULT_LOCALE_KEY)) &&
!global_val.blank?
global_val
elsif (db_val = @site_setting.provider.find(DEFAULT_LOCALE_KEY))
db_val.value.to_s
else
DEFAULT_LOCALE
end
@@site_locales[db]
end
end
def has_setting?(name)
has_key?(name.to_sym) || has_key?("#{name.to_s}?".to_sym)
end
private
def has_key?(name)
@defaults[self.site_locale.to_sym]&.key?(name) ||
@defaults[DEFAULT_LOCALE.to_sym].key?(name) || name == DEFAULT_LOCALE_KEY
end
def current_db
RailsMultisite::ConnectionManagement.current_db
end
end