多时区支持

hydro/model/contest.js

@@ -227,7 +227,7 @@ function add(domainId, title, content, owner, rule,
  * @param {ObjectID} tid
  * @param {object} $set
  * @param {number} type
- * @returns {Tdoc} tdoc after modification
+ * @returns {Promise<Tdoc>} tdoc after modification
  */
 async function edit(domainId, tid, $set, type = document.TYPE_CONTEST) {
     if ($set.rule) {

hydro/model/setting.js

@@ -1,7 +1,16 @@
+const moment = require('moment-timezone');
 const builtin = require('./builtin');
 const options = require('../options');
 const i18n = require('../lib/i18n');
 
+const countries = moment.tz.countries();
+const tzs = new Set();
+for (const country of countries) {
+    const tz = moment.tz.zonesForCountry(country);
+    for (const t of tz) tzs.add(t);
+}
+const timezones = Array.from(tzs).sort().map((tz) => [tz, tz]);
+
 const Setting = (
     family, key, range = null,
     value = null, ui = 'text', name = '',
@@ -11,9 +20,9 @@ const Setting = (
 });
 
 const PREFERENCE_SETTINGS = [
-    Setting('setting_display', 'viewLang', i18n,
+    Setting('setting_display', 'viewLang', builtin.VIEW_LANGS.map((i) => [i.code, i.name]),
         options.default_locale, 'select', 'UI Language'),
-    Setting('setting_display', 'timezone', [], // TODO(masnn) timezone
+    Setting('setting_display', 'timezone', timezones,
         'Asia/Shanghai', 'select', 'Timezone'),
     Setting('setting_usage', 'codeLang', builtin.LANG_TEXTS,
         null, 'select', 'Default Code Language'),

hydro/model/user.js

@@ -19,6 +19,7 @@ class USER {
         this.salt = () => udoc.salt;
         this.hash = () => udoc.hash;
         this.priv = udoc.priv;
+        this.timeZone = udoc.timeZone || 'Asia/Shanghai';
         this.viewLang = udoc.viewLang || 'zh_CN';
         this.codeLang = udoc.codeLang || 'c';
         this.codeTemplate = udoc.codeTemplate || '';