feat: migrate payment provider to easy-pay, add order history and refund support

- Replace zpay with easy-pay payment provider (new lib/easy-pay/ module)
- Add order history page for users (pay/orders)
- Add GET /api/orders/my endpoint to list user's own orders
- Add GET /api/users/[id] endpoint for sub2api user lookup
- Add order status tracking module (lib/order/status.ts)
- Update config to support easy-pay credentials (merchant ID, key, gateway)
- Update PaymentForm and PaymentQRCode components for easy-pay flow
- Update pay page and admin page with new order management UI
- Update order service to support easy-pay, cancellation, and refund

prisma/migrations/20260228000000_init/migration.sql

@@ -0,0 +1,71 @@
+-- CreateSchema
+CREATE SCHEMA IF NOT EXISTS "public";
+
+-- CreateEnum
+CREATE TYPE "OrderStatus" AS ENUM ('PENDING', 'PAID', 'RECHARGING', 'COMPLETED', 'EXPIRED', 'CANCELLED', 'FAILED', 'REFUNDING', 'REFUNDED', 'REFUND_FAILED');
+
+-- CreateTable
+CREATE TABLE "orders" (
+    "id" TEXT NOT NULL,
+    "user_id" INTEGER NOT NULL,
+    "user_email" TEXT,
+    "user_name" TEXT,
+    "amount" DECIMAL(10,2) NOT NULL,
+    "recharge_code" TEXT NOT NULL,
+    "status" "OrderStatus" NOT NULL DEFAULT 'PENDING',
+    "payment_type" TEXT NOT NULL,
+    "zpay_trade_no" TEXT,
+    "pay_url" TEXT,
+    "qr_code" TEXT,
+    "qr_code_img" TEXT,
+    "refund_amount" DECIMAL(10,2),
+    "refund_reason" TEXT,
+    "refund_at" TIMESTAMP(3),
+    "force_refund" BOOLEAN NOT NULL DEFAULT false,
+    "expires_at" TIMESTAMP(3) NOT NULL,
+    "paid_at" TIMESTAMP(3),
+    "completed_at" TIMESTAMP(3),
+    "failed_at" TIMESTAMP(3),
+    "failed_reason" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "updated_at" TIMESTAMP(3) NOT NULL,
+    "client_ip" TEXT,
+
+    CONSTRAINT "orders_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "audit_logs" (
+    "id" TEXT NOT NULL,
+    "order_id" TEXT NOT NULL,
+    "action" TEXT NOT NULL,
+    "detail" TEXT,
+    "operator" TEXT,
+    "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "audit_logs_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "orders_recharge_code_key" ON "orders"("recharge_code");
+
+-- CreateIndex
+CREATE INDEX "orders_user_id_idx" ON "orders"("user_id");
+
+-- CreateIndex
+CREATE INDEX "orders_status_idx" ON "orders"("status");
+
+-- CreateIndex
+CREATE INDEX "orders_expires_at_idx" ON "orders"("expires_at");
+
+-- CreateIndex
+CREATE INDEX "orders_created_at_idx" ON "orders"("created_at");
+
+-- CreateIndex
+CREATE INDEX "audit_logs_order_id_idx" ON "audit_logs"("order_id");
+
+-- CreateIndex
+CREATE INDEX "audit_logs_created_at_idx" ON "audit_logs"("created_at");
+
+-- AddForeignKey
+ALTER TABLE "audit_logs" ADD CONSTRAINT "audit_logs_order_id_fkey" FOREIGN KEY ("order_id") REFERENCES "orders"("id") ON DELETE RESTRICT ON UPDATE CASCADE;

prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (e.g., Git)
+provider = "postgresql"

prisma/schema.prisma

@@ -0,0 +1,72 @@
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+}
+
+model Order {
+  id            String      @id @default(cuid())
+  userId        Int         @map("user_id")
+  userEmail     String?     @map("user_email")
+  userName      String?     @map("user_name")
+  amount        Decimal     @db.Decimal(10, 2)
+  rechargeCode  String      @unique @map("recharge_code")
+  status        OrderStatus @default(PENDING)
+  paymentType   String      @map("payment_type")
+
+  zpayTradeNo   String?     @map("zpay_trade_no")
+  payUrl        String?     @map("pay_url")
+  qrCode        String?     @map("qr_code")
+  qrCodeImg     String?     @map("qr_code_img")
+
+  refundAmount  Decimal?    @db.Decimal(10, 2) @map("refund_amount")
+  refundReason  String?     @map("refund_reason")
+  refundAt      DateTime?   @map("refund_at")
+  forceRefund   Boolean     @default(false) @map("force_refund")
+
+  expiresAt     DateTime    @map("expires_at")
+  paidAt        DateTime?   @map("paid_at")
+  completedAt   DateTime?   @map("completed_at")
+  failedAt      DateTime?   @map("failed_at")
+  failedReason  String?     @map("failed_reason")
+  createdAt     DateTime    @default(now()) @map("created_at")
+  updatedAt     DateTime    @updatedAt @map("updated_at")
+  clientIp      String?     @map("client_ip")
+
+  auditLogs     AuditLog[]
+
+  @@index([userId])
+  @@index([status])
+  @@index([expiresAt])
+  @@index([createdAt])
+  @@map("orders")
+}
+
+enum OrderStatus {
+  PENDING
+  PAID
+  RECHARGING
+  COMPLETED
+  EXPIRED
+  CANCELLED
+  FAILED
+  REFUNDING
+  REFUNDED
+  REFUND_FAILED
+}
+
+model AuditLog {
+  id        String   @id @default(cuid())
+  orderId   String   @map("order_id")
+  order     Order    @relation(fields: [orderId], references: [id])
+  action    String
+  detail    String?  @db.Text
+  operator  String?
+  createdAt DateTime @default(now()) @map("created_at")
+
+  @@index([orderId])
+  @@index([createdAt])
+  @@map("audit_logs")
+}