feat: increase support for multiple time zones

* 优化实现方法

apps/backend-mock/api/timezone/getTimezone.ts

@@ -0,0 +1,12 @@
+import { eventHandler } from 'h3';
+import { verifyAccessToken } from '~/utils/jwt-utils';
+import { unAuthorizedResponse, useResponseSuccess } from '~/utils/response';
+import { getTimezone } from '~/utils/timezone-utils';
+
+export default eventHandler((event) => {
+  const userinfo = verifyAccessToken(event);
+  if (!userinfo) {
+    return unAuthorizedResponse(event);
+  }
+  return useResponseSuccess(getTimezone());
+});

apps/backend-mock/api/timezone/getTimezoneOptions.ts

@@ -0,0 +1,7 @@
+import { eventHandler } from 'h3';
+import { TIME_ZONE_OPTIONS } from '~/utils/mock-data';
+import { useResponseSuccess } from '~/utils/response';
+
+export default eventHandler(() => {
+  return useResponseSuccess(TIME_ZONE_OPTIONS);
+});

apps/backend-mock/api/timezone/setTimezone.ts

@@ -0,0 +1,14 @@
+import { eventHandler, readBody } from 'h3';
+import { verifyAccessToken } from '~/utils/jwt-utils';
+import { unAuthorizedResponse, useResponseSuccess } from '~/utils/response';
+import { setTimezone } from '~/utils/timezone-utils';
+
+export default eventHandler(async (event) => {
+  const userinfo = verifyAccessToken(event);
+  if (!userinfo) {
+    return unAuthorizedResponse(event);
+  }
+  const { timezone } = await readBody(event);
+  setTimezone(timezone);
+  return useResponseSuccess({});
+});