init studio launcher backend

src/notices/notices.controller.ts

@@ -0,0 +1,17 @@
+import { Controller, Get, Param } from '@nestjs/common';
+import { NoticesService } from './notices.service';
+
+@Controller('api/notices')
+export class NoticesController {
+  constructor(private readonly noticesService: NoticesService) {}
+
+  @Get('login')
+  getLoginNotice() {
+    return this.noticesService.getLoginNotice();
+  }
+
+  @Get('apps/:appKey')
+  getAppNotices(@Param('appKey') appKey: string) {
+    return this.noticesService.getAppNotices(appKey);
+  }
+}

src/notices/notices.module.ts

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+import { Module } from '@nestjs/common';
+import { PrismaModule } from '../prisma/prisma.module';
+import { NoticesController } from './notices.controller';
+import { NoticesService } from './notices.service';
+
+@Module({
+  imports: [PrismaModule],
+  controllers: [NoticesController],
+  providers: [NoticesService],
+})
+export class NoticesModule {}

src/notices/notices.service.ts

@@ -0,0 +1,73 @@
+import { Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.service';
+
+@Injectable()
+export class NoticesService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async getLoginNotice() {
+    const now = new Date();
+
+    const notice = await this.prisma.launcherNotice.findFirst({
+      where: {
+        appKey: 'Launcher',
+        isActive: true,
+        OR: [
+          { startsAt: null, endsAt: null },
+          { startsAt: { lte: now }, endsAt: null },
+          { startsAt: null, endsAt: { gte: now } },
+          { startsAt: { lte: now }, endsAt: { gte: now } },
+        ],
+      },
+      orderBy: [{ priority: 'desc' }, { createdAt: 'desc' }],
+      select: {
+        id: true,
+        title: true,
+        body: true,
+        linkUrl: true,
+      },
+    });
+
+    return { notice };
+  }
+
+  async getAppNotices(appKey: string) {
+    const now = new Date();
+
+    const notices = await this.prisma.launcherNotice.findMany({
+      where: {
+        appKey,
+        isActive: true,
+        OR: [
+          { startsAt: null, endsAt: null },
+          { startsAt: { lte: now }, endsAt: null },
+          { startsAt: null, endsAt: { gte: now } },
+          { startsAt: { lte: now }, endsAt: { gte: now } },
+        ],
+      },
+      orderBy: [{ priority: 'desc' }, { createdAt: 'desc' }],
+      select: {
+        id: true,
+        title: true,
+        body: true,
+        linkUrl: true,
+        createdAt: true,
+      },
+    });
+
+    return {
+      notices: notices.map((notice) => ({
+        ...notice,
+        date: formatNoticeDate(notice.createdAt),
+      })),
+    };
+  }
+}
+
+function formatNoticeDate(date: Date): string {
+  const year = date.getFullYear();
+  const month = String(date.getMonth() + 1).padStart(2, '0');
+  const day = String(date.getDate()).padStart(2, '0');
+
+  return `${year}.${month}.${day}`;
+}