重构

apps/api/src/applications/player/player.controller.ts

@@ -93,6 +93,28 @@ class UpdateProfileDto {
   username?: string;
 }
 
+function safeTimeZone(input?: string): string {
+  const value = input?.trim();
+  if (!value) return 'UTC';
+  try {
+    new Intl.DateTimeFormat('en-US', { timeZone: value }).format(new Date());
+    return value;
+  } catch {
+    return 'UTC';
+  }
+}
+
+function dayKeyInTimeZone(date: Date, timeZone: string): string {
+  const parts = new Intl.DateTimeFormat('en-US', {
+    timeZone,
+    year: 'numeric',
+    month: '2-digit',
+    day: '2-digit',
+  }).formatToParts(date);
+  const map = new Map(parts.map((part) => [part.type, part.value]));
+  return `${map.get('year')}-${map.get('month')}-${map.get('day')}`;
+}
+
 @ApiTags('Player')
 @Controller('player')
 @UseGuards(JwtAuthGuard, PlayerGuard)
@@ -160,6 +182,7 @@ export class PlayerController {
   async home(
     @CurrentUser('locale') userLocale: string | undefined,
     @Headers('x-locale') headerLocale?: string,
+    @Headers('x-time-zone') headerTimeZone?: string,
   ) {
     const locale = userLocale || headerLocale || 'zh-CN';
     const [banners, announcements, allMatches] = await Promise.all([
@@ -167,19 +190,13 @@ export class PlayerController {
       this.content.listActiveAnnouncements(locale),
       this.matches.listPublished(locale, undefined, { includeMarkets: false }),
     ]);
-    const now = new Date();
-    const isKickoffToday = (startTime: string) => {
-      const d = new Date(startTime);
-      return (
-        d.getFullYear() === now.getFullYear() &&
-        d.getMonth() === now.getMonth() &&
-        d.getDate() === now.getDate()
-      );
-    };
+    const timeZone = safeTimeZone(headerTimeZone);
+    const todayKey = dayKeyInTimeZone(new Date(), timeZone);
     const hotMatches = (allMatches as Array<{ isHot?: boolean }>).filter((m) => m.isHot);
-    const todayMatches = (allMatches as Array<{ startTime: string }>).filter((m) =>
-      isKickoffToday(m.startTime),
-    );
+    const todayMatches = (allMatches as Array<{ startTime: string }>).filter((m) => {
+      const kickoff = new Date(m.startTime);
+      return !Number.isNaN(kickoff.getTime()) && dayKeyInTimeZone(kickoff, timeZone) === todayKey;
+    });
     return jsonResponse({
       banners,
       announcements,