core: 支持系统级语言设置

packages/hydrooj/src/interface.ts

@@ -32,6 +32,7 @@ export interface SystemKeys {
     'server.xff': string,
     'server.worker': number,
     'server.port': number,
+    'server.language': string,
     'session.keys': string[],
     'session.secure': boolean,
     'session.expire_seconds': number,

packages/hydrooj/src/lib/i18n.ts

@@ -43,7 +43,7 @@ String.prototype.rawformat = function rawFormat(object) {
 };
 
 String.prototype.translate = function translate(...languages: string[]) {
-    if (!languages.length) languages = ['zh_CN'];
+    languages.push(global.Hydro.model.system.get('server.language'));
     for (const language of languages) {
         if (!language) continue;
         if (locales[language]) {

packages/hydrooj/src/model/setting.ts

@@ -81,7 +81,7 @@ export const SystemSetting = (...settings: _Setting[]) => {
 };
 
 PreferenceSetting(
-    Setting('setting_display', 'viewLang', langRange, 'zh_CN', 'select', 'UI Language'),
+    Setting('setting_display', 'viewLang', langRange, null, 'select', 'UI Language'),
     Setting('setting_display', 'timeZone', timezones, 'Asia/Shanghai', 'select', 'Timezone'),
     Setting('setting_usage', 'codeLang', builtin.LANG_TEXTS, 'c', 'select', 'Default Code Language'),
     Setting('setting_usage', 'codeTemplate', null, '', 'textarea', 'Default Code Template',
@@ -141,6 +141,7 @@ SystemSetting(
     Setting('setting_server', 'server.cdn', null, '/', 'text', 'CDN Prefix', 'Ends with /'),
     Setting('setting_server', 'server.port', null, 8888, 'number', 'Server Port'),
     Setting('setting_server', 'server.xff', null, null, 'text', 'IP Header', 'e.g. x-forwarded-for (lowercase)'),
+    Setting('setting_server', 'server.language', langRange, 'zh_CN', 'select', 'Default display language'),
     Setting('setting_session', 'session.keys', null, [String.random(32)], 'text', 'session.keys', null, FLAG_HIDDEN),
     Setting('setting_session', 'session.secure', null, false, 'boolean', 'session.secure'),
     Setting('setting_session', 'session.saved_expire_seconds', null, 3600 * 24 * 30, 'number', 'Saved session expire seconds'),

packages/hydrooj/src/ui.ts

@@ -13,6 +13,8 @@ declare module 'terminal-kit/Terminal' {
     }
 }
 
+const useTerminal = cluster.isMaster && process.stdout.isTTY && !argv.legacy;
+
 export namespace Progress {
     export class Progress {
         constructor(public args) {
@@ -31,7 +33,8 @@ export namespace Progress {
     }
 
     export function create(args) {
-        return (process.stdout.isTTY && !argv.legacy)
+        // TODO handle worker process
+        return useTerminal
             ? terminal.progressBar(args)
             : new Progress(args);
     }
@@ -44,7 +47,7 @@ async function terminate() {
     } catch (e) {
         hasError = true;
     }
-    if (cluster.isMaster && process.stdout.isTTY && !argv.legacy) {
+    if (useTerminal) {
         terminal.hideCursor(false);
         terminal.styleReset();
         terminal.resetScrollingRegion();
@@ -55,7 +58,7 @@ async function terminate() {
 }
 process.on('SIGINT', terminate);
 
-if (cluster.isMaster && process.stdout.isTTY && !argv.legacy) {
+if (useTerminal) {
     terminal.clear();
     terminal.grabInput();
     terminal.hideCursor();