Merge pull request #241 from boostcampwm-2024/feat/#240-seats-flush-when-modify-booking-amount

예매 매수 변경 시 선점한 좌석들 반납

Author: kyu4583

back/src/domains/booking/service/booking.service.ts

@@ -150,11 +150,21 @@ export class BookingService {
   async setBookingAmount(sid: string, bookingAmount: number) {
     const isInBooking = await this.inBookingService.isInBooking(sid);
     if (isInBooking) {
+      await this.flushBookedSeats(sid);
       return await this.inBookingService.setBookingAmount(sid, bookingAmount);
     }
     return await this.enterBookingService.setBookingAmount(sid, bookingAmount);
   }
 
+  private async flushBookedSeats(sid: string) {
+    const bookedSeats = await this.inBookingService.getBookedSeats(sid);
+    if (bookedSeats.length > 0) {
+      const eventId = await this.userService.getUserEventTarget(sid);
+      await Promise.all(bookedSeats.map((seat) => this.bookingSeatsService.updateSeatDeleted(eventId, seat)));
+      await this.inBookingService.removeBookedSeats(sid);
+    }
+  }
+
   async getTimeMs(): Promise<ServerTimeDto> {
     try {
       return {

back/src/domains/booking/service/in-booking.service.ts

@@ -104,6 +104,13 @@ export class InBookingService {
     await this.setSession(eventId, session);
   }
 
+  async removeBookedSeats(sid: string) {
+    const eventId = await this.getTargetEventId(sid);
+    const session = await this.getSession(eventId, sid);
+    session.bookedSeats = [];
+    await this.setSession(eventId, session);
+  }
+
   async getIsSaved(sid: string) {
     const eventId = await this.getTargetEventId(sid);
     const session = await this.getSession(eventId, sid);