fix: 修复月卡无法编辑次数的问题

packages/server/src/user/user.service.ts

@@ -581,18 +581,18 @@ export class UserService {
     const now = new Date()
     const expireDate = new Date(dto.expireDate)
     const remainingTimes = dto.remainingTimes ?? null
-    const isTimeBased = remainingTimes !== null
+    const isCountLimited = remainingTimes !== null
 
     let status: MembershipStatus = MembershipStatus.ACTIVE
     if (expireDate < now) {
       status = MembershipStatus.EXPIRED
-    } else if (isTimeBased && remainingTimes <= 0) {
+    } else if (isCountLimited && remainingTimes <= 0) {
       status = MembershipStatus.USED_UP
     }
 
     const data = {
       cardTypeId: dto.cardTypeId,
-      remainingTimes: dto.remainingTimes ?? null,
+      remainingTimes,
       startDate: new Date(dto.startDate),
       expireDate: new Date(dto.expireDate),
       status,
@@ -609,15 +609,21 @@ export class UserService {
     }
 
     if (existing) {
+      const totalTimes = remainingTimes === null
+        ? null
+        : existing.cardTypeId === dto.cardTypeId
+          ? Math.max(existing.totalTimes ?? 0, remainingTimes)
+          : remainingTimes
+
       return this.prisma.membership.update({
         where: { id: existing.id },
-        data,
+        data: { ...data, totalTimes },
         include: { cardType: true },
       })
     }
 
     return this.prisma.membership.create({
-      data: { userId, totalTimes: dto.remainingTimes ?? null, ...data },
+      data: { userId, totalTimes: remainingTimes, ...data },
       include: { cardType: true },
     })
   }