feat: 支持秒杀活动

packages/server/prisma/schema.prisma

@@ -51,6 +51,18 @@ enum OrderStatus {
   REFUNDED
 }
 
+enum FlashSaleStatus {
+  DRAFT
+  ACTIVE
+  ENDED
+}
+
+enum FlashSaleOrderStatus {
+  RESERVED
+  PAID
+  EXPIRED
+}
+
 // ===== Models =====
 
 model User {
@@ -67,6 +79,7 @@ model User {
   memberships Membership[]
   bookings    Booking[]
   orders      Order[]
+  flashSaleOrders FlashSaleOrder[]
 
   @@map("users")
 }
@@ -87,6 +100,7 @@ model CardType {
 
   memberships Membership[]
   orders      Order[]
+  flashSales  FlashSale[]
 
   @@map("card_types")
 }
@@ -197,11 +211,13 @@ model Order {
   status          OrderStatus @default(PENDING)
   wxTransactionId String?     @map("wx_transaction_id")
   paidAt          DateTime?   @map("paid_at")
+  flashSaleId     String?     @map("flash_sale_id")
   createdAt       DateTime    @default(now()) @map("created_at")
   updatedAt       DateTime    @updatedAt @map("updated_at")
 
-  user     User     @relation(fields: [userId], references: [id])
-  cardType CardType @relation(fields: [cardTypeId], references: [id])
+  user           User            @relation(fields: [userId], references: [id])
+  cardType       CardType        @relation(fields: [cardTypeId], references: [id])
+  flashSaleOrder FlashSaleOrder?
 
   @@index([userId])
   @@index([status])
@@ -223,3 +239,48 @@ model StudioConfig {
 
   @@map("studio_config")
 }
+
+model FlashSale {
+  id            String          @id @default(uuid())
+  cardTypeId    String          @map("card_type_id")
+  title         String
+  originalPrice Decimal         @map("original_price") @db.Decimal(10, 0)
+  flashPrice    Decimal         @map("flash_price") @db.Decimal(10, 0)
+  totalStock    Int             @map("total_stock")
+  soldCount     Int             @default(0) @map("sold_count")
+  startTime     DateTime        @map("start_time")
+  endTime       DateTime        @map("end_time")
+  status        FlashSaleStatus @default(DRAFT)
+  description   String?         @db.Text
+  sortOrder     Int             @default(0) @map("sort_order")
+  createdAt     DateTime        @default(now()) @map("created_at")
+  updatedAt     DateTime        @updatedAt @map("updated_at")
+
+  cardType CardType         @relation(fields: [cardTypeId], references: [id])
+  orders   FlashSaleOrder[]
+
+  @@index([status, startTime, endTime])
+  @@map("flash_sales")
+}
+
+model FlashSaleOrder {
+  id          String               @id @default(uuid())
+  flashSaleId String               @map("flash_sale_id")
+  userId      String               @map("user_id")
+  orderId     String?              @unique @map("order_id")
+  status      FlashSaleOrderStatus @default(RESERVED)
+  reservedAt  DateTime             @default(now()) @map("reserved_at")
+  paidAt      DateTime?            @map("paid_at")
+  expiredAt   DateTime?            @map("expired_at")
+  createdAt   DateTime             @default(now()) @map("created_at")
+  updatedAt   DateTime             @updatedAt @map("updated_at")
+
+  flashSale FlashSale @relation(fields: [flashSaleId], references: [id])
+  user      User      @relation(fields: [userId], references: [id])
+  order     Order?    @relation(fields: [orderId], references: [id])
+
+  @@unique([flashSaleId, userId])
+  @@index([userId])
+  @@index([status])
+  @@map("flash_sale_orders")
+}