门店账户多账号

server/dukang-api/src/common/guards/store-membership.service.ts

@@ -0,0 +1,27 @@
+import { ForbiddenException, Injectable } from '@nestjs/common';
+import { PrismaService } from '../prisma/prisma.module';
+import type { AuthUser } from '../guards/jwt-auth.guard';
+
+@Injectable()
+export class StoreMembershipService {
+  constructor(private readonly prisma: PrismaService) {}
+
+  async assertStoreMembership(accountId: bigint, storeId: bigint) {
+    const binding = await this.prisma.storeAccountStore.findUnique({
+      where: {
+        storeAccountId_storeId: { storeAccountId: accountId, storeId },
+      },
+    });
+    if (!binding) {
+      throw new ForbiddenException('无权访问该门店');
+    }
+    return binding;
+  }
+
+  requireShopStoreId(user: AuthUser): bigint {
+    if (!user.storeId) {
+      throw new ForbiddenException('请先选择门店');
+    }
+    return user.storeId;
+  }
+}