feat: add transaction

pkg/domain/repository/wallet.go

@@ -90,6 +90,8 @@ type UserWalletService interface {
 	GetOrderBalance(ctx context.Context, orderID string) (entity.Transaction, error)
 	// GetOrderBalanceForUpdate 查詢某筆交易（訂單），詳情寫入本地暫存 (FOR UPDATE)
 	GetOrderBalanceForUpdate(ctx context.Context, orderID string) (entity.Transaction, error)
+	// AddOrderBalance order 加入本地塊曲中
+	AddOrderBalance(ctx context.Context, orderID string, amount decimal.Decimal) error
 	// ClearCache 清空本地所有暫存
 	ClearCache()
 }

pkg/usecase/wallet.go

@@ -232,9 +232,24 @@ func (use *WalletUseCase) AppendFreeze(ctx context.Context, tx usecase.WalletTra
 	})
 }
 
+// UnFreeze 解凍
+// 1. 新增一筆解凍交易
+// 2. 減少order餘額
+// 3. 錢包減少凍結餘額
+// 4. 錢包變化新增一筆減少凍結餘額資料
 func (use *WalletUseCase) UnFreeze(ctx context.Context, tx usecase.WalletTransferRequest) error {
-	//TODO implement me
-	panic("implement me")
+	// 確認錢包新增或減少的餘額是否正確
+	if !tx.Amount.IsPositive() {
+		return errs.InvalidRange("failed to get correct amount")
+	}
+
+	tx.TxType = wallet.UnFreeze
+
+	return use.ProcessTransaction(ctx, tx, userWalletFlow{
+		UID:     tx.FromUID,
+		Asset:   tx.Asset,
+		Actions: []walletActionOption{use.withSubOrder(nil), use.withLockFreeze(), use.withSubFreeze()},
+	})
 }
 
 func (use *WalletUseCase) RollbackFreeze(ctx context.Context, tx usecase.WalletTransferRequest) error {

pkg/usecase/wallet_tx_option.go

@@ -1,6 +1,7 @@
 package usecase
 
 import (
+	"code.30cm.net/digimon/app-cloudep-wallet-service/pkg/domain/entity"
 	"code.30cm.net/digimon/app-cloudep-wallet-service/pkg/domain/repository"
 	"code.30cm.net/digimon/app-cloudep-wallet-service/pkg/domain/usecase"
 	"code.30cm.net/digimon/app-cloudep-wallet-service/pkg/domain/wallet"
@@ -187,6 +188,67 @@ func (use *WalletUseCase) withAppendFreeze() walletActionOption {
 	}
 }
 
+func (use *WalletUseCase) withSubOrder(fTx func(*usecase.WalletTransferRequest, entity.Transaction)) walletActionOption {
+	return func(ctx context.Context, tx *usecase.WalletTransferRequest, w repository.UserWalletService) error {
+		order, err := w.GetOrderBalance(ctx, tx.ReferenceOrderID)
+		if err != nil {
+			return err
+		}
+
+		// 檢查order wallet 餘額<=0
+		if !order.Amount.IsPositive() {
+			return err
+		}
+
+		// 以id來做lock更可以確保只lock到該筆，而不會因為index關係lock到多筆導致死鎖
+		// 而且先不lock把資料先拉出來判斷餘額是否足夠，在不足夠時可以直接return而不用lock減少開銷
+		order, err = w.GetOrderBalanceForUpdate(ctx, order.OrderID)
+		if err != nil {
+			return err
+		}
+
+		tx.Asset = order.Asset
+		tx.FromUID = order.UID
+
+		//// 解凍BusinessType，必須跟建立凍結訂單的BusinessType一致
+		//if tx.Business != domain.SystemTransferCommissionBusinessTypeBusinessName {
+		//	// 只有系統劃轉會有轉入錢包不同的狀況
+		//	tx.BusinessType = domain.BusinessTypeToString(order.BusinessType)
+		//}
+
+		if fTx != nil {
+			fTx(tx, order)
+		}
+
+		if err := w.AddOrderBalance(ctx, order.OrderID, tx.Amount.Neg()); err != nil {
+			return err
+		}
+
+		return nil
+	}
+}
+
+func (use *WalletUseCase) withLockFreeze() walletActionOption {
+	return func(ctx context.Context, tx *usecase.WalletTransferRequest, w repository.UserWalletService) error {
+		_, err := w.GetBalancesForUpdate(ctx, []wallet.Types{wallet.TypeFreeze})
+		if err != nil {
+			return err
+		}
+
+		return nil
+	}
+}
+
+func (use *WalletUseCase) withSubFreeze() walletActionOption {
+	return func(ctx context.Context, tx *usecase.WalletTransferRequest, w repository.UserWalletService) error {
+		if err := w.DecreaseBalance(wallet.TypeFreeze, tx.ReferenceOrderID, tx.Amount); err != nil {
+			return err
+		}
+
+		return nil
+	}
+}
+
 //// withSubFreeze 減少用戶凍結餘額
 //func (use *WalletUseCase) withSubFreeze() walletActionOption {
 //	return func(_ context.Context, tx *usecase.Transaction, wallet repository.UserWallet) error {