feat(sync): harden the Hiboutik sync, share rate limits across instances, update dependencies (#4)

src/database/order.database.repository.ts

@@ -9,12 +9,19 @@ import { OrderStatus } from '../models/orderStatus';
 export class OrderDatabaseRepository {
   constructor(private readonly prisma: PrismaService) {}
 
-  /** Among `hiboutikSaleIds`, the ones already stored as completed orders. */
-  async getCompletedSaleIds(hiboutikSaleIds: number[]): Promise<Set<number>> {
+  /**
+   * Among `hiboutikSaleIds`, the ones already stored as completed orders of this customer. A completed order that lost
+   * its customer (customer deleted, then found again in Hiboutik) is not returned, so that the sync links it back.
+   */
+  async getCompletedSaleIds(customerHiboutikId: number, hiboutikSaleIds: number[]): Promise<Set<number>> {
     if (hiboutikSaleIds.length === 0) return new Set();
 
     const orders = await this.prisma.order.findMany({
-      where: { hiboutikSaleId: { in: hiboutikSaleIds }, status: OrderStatus.COMPLETED },
+      where: {
+        hiboutikSaleId: { in: hiboutikSaleIds },
+        status: OrderStatus.COMPLETED,
+        customer: { is: { hiboutikId: customerHiboutikId } },
+      },
       select: { hiboutikSaleId: true },
     });
     return new Set(orders.map((order) => order.hiboutikSaleId).filter((id): id is number => id !== null));