feat: Redemption Code

2026-01-05 17:53:31 +08:00
parent 5beff61e91
commit 518595b058
26 changed files with 1459 additions and 14 deletions
@@ -0,0 +1,36 @@
+package redemption
+
+import (
+	"context"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type BatchDeleteRedemptionCodeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Batch delete redemption code
+func NewBatchDeleteRedemptionCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *BatchDeleteRedemptionCodeLogic {
+	return &BatchDeleteRedemptionCodeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *BatchDeleteRedemptionCodeLogic) BatchDeleteRedemptionCode(req *types.BatchDeleteRedemptionCodeRequest) error {
+	err := l.svcCtx.RedemptionCodeModel.BatchDelete(l.ctx, req.Ids)
+	if err != nil {
+		l.Errorw("[BatchDeleteRedemptionCode] Database Error", logger.Field("error", err.Error()))
+		return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseDeletedError), "batch delete redemption code error: %v", err.Error())
+	}
+
+	return nil
+}
@@ -0,0 +1,119 @@
+package redemption
+
+import (
+	"context"
+	"crypto/rand"
+	"math/big"
+
+	"github.com/perfect-panel/server/internal/model/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+)
+
+type CreateRedemptionCodeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Create redemption code
+func NewCreateRedemptionCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *CreateRedemptionCodeLogic {
+	return &CreateRedemptionCodeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+// generateUniqueCode generates a unique redemption code
+func (l *CreateRedemptionCodeLogic) generateUniqueCode() (string, error) {
+	const charset = "ABCDEFGHJKLMNPQRSTUVWXYZ23456789" // Removed confusing characters like I, O, 0, 1
+	const codeLength = 16
+
+	maxRetries := 10
+	for i := 0; i < maxRetries; i++ {
+		code := make([]byte, codeLength)
+		for j := 0; j < codeLength; j++ {
+			num, err := rand.Int(rand.Reader, big.NewInt(int64(len(charset))))
+			if err != nil {
+				return "", err
+			}
+			code[j] = charset[num.Int64()]
+		}
+
+		codeStr := string(code)
+
+		// Check if code already exists
+		_, err := l.svcCtx.RedemptionCodeModel.FindOneByCode(l.ctx, codeStr)
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return codeStr, nil
+		} else if err != nil {
+			return "", err
+		}
+		// Code exists, try again
+	}
+
+	return "", errors.New("failed to generate unique code after maximum retries")
+}
+
+func (l *CreateRedemptionCodeLogic) CreateRedemptionCode(req *types.CreateRedemptionCodeRequest) error {
+	// Check if subscribe plan is valid
+	if req.SubscribePlan == 0 {
+		l.Errorw("[CreateRedemptionCode] Subscribe plan cannot be empty")
+		return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "subscribe plan cannot be empty")
+	}
+
+	// Verify subscribe plan exists
+	_, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, req.SubscribePlan)
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			l.Errorw("[CreateRedemptionCode] Subscribe plan not found", logger.Field("subscribe_plan", req.SubscribePlan))
+			return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "subscribe plan not found")
+		}
+		l.Errorw("[CreateRedemptionCode] Database Error", logger.Field("error", err.Error()))
+		return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find subscribe plan error: %v", err.Error())
+	}
+
+	// Validate batch count
+	if req.BatchCount < 1 {
+		l.Errorw("[CreateRedemptionCode] Batch count must be at least 1")
+		return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "batch count must be at least 1")
+	}
+
+	// Generate redemption codes in batch
+	var createdCodes []string
+	for i := int64(0); i < req.BatchCount; i++ {
+		code, err := l.generateUniqueCode()
+		if err != nil {
+			l.Errorw("[CreateRedemptionCode] Failed to generate unique code", logger.Field("error", err.Error()))
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "generate unique code error: %v", err.Error())
+		}
+
+		redemptionCode := &redemption.RedemptionCode{
+			Code:          code,
+			TotalCount:    req.TotalCount,
+			UsedCount:     0,
+			SubscribePlan: req.SubscribePlan,
+			UnitTime:      req.UnitTime,
+			Quantity:      req.Quantity,
+		}
+
+		err = l.svcCtx.RedemptionCodeModel.Insert(l.ctx, redemptionCode)
+		if err != nil {
+			l.Errorw("[CreateRedemptionCode] Database Error", logger.Field("error", err.Error()))
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "create redemption code error: %v", err.Error())
+		}
+
+		createdCodes = append(createdCodes, code)
+	}
+
+	l.Infow("[CreateRedemptionCode] Successfully created redemption codes",
+		logger.Field("count", len(createdCodes)),
+		logger.Field("codes", createdCodes))
+
+	return nil
+}
@@ -0,0 +1,36 @@
+package redemption
+
+import (
+	"context"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type DeleteRedemptionCodeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Delete redemption code
+func NewDeleteRedemptionCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeleteRedemptionCodeLogic {
+	return &DeleteRedemptionCodeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *DeleteRedemptionCodeLogic) DeleteRedemptionCode(req *types.DeleteRedemptionCodeRequest) error {
+	err := l.svcCtx.RedemptionCodeModel.Delete(l.ctx, req.Id)
+	if err != nil {
+		l.Errorw("[DeleteRedemptionCode] Database Error", logger.Field("error", err.Error()))
+		return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseDeletedError), "delete redemption code error: %v", err.Error())
+	}
+
+	return nil
+}
@@ -0,0 +1,61 @@
+package redemption
+
+import (
+	"context"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type GetRedemptionCodeListLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Get redemption code list
+func NewGetRedemptionCodeListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetRedemptionCodeListLogic {
+	return &GetRedemptionCodeListLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *GetRedemptionCodeListLogic) GetRedemptionCodeList(req *types.GetRedemptionCodeListRequest) (resp *types.GetRedemptionCodeListResponse, err error) {
+	total, list, err := l.svcCtx.RedemptionCodeModel.QueryRedemptionCodeListByPage(
+		l.ctx,
+		int(req.Page),
+		int(req.Size),
+		req.SubscribePlan,
+		req.UnitTime,
+		req.Code,
+	)
+	if err != nil {
+		l.Errorw("[GetRedemptionCodeList] Database Error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "get redemption code list error: %v", err.Error())
+	}
+
+	var redemptionCodes []types.RedemptionCode
+	for _, item := range list {
+		redemptionCodes = append(redemptionCodes, types.RedemptionCode{
+			Id:            item.Id,
+			Code:          item.Code,
+			TotalCount:    item.TotalCount,
+			UsedCount:     item.UsedCount,
+			SubscribePlan: item.SubscribePlan,
+			UnitTime:      item.UnitTime,
+			Quantity:      item.Quantity,
+			CreatedAt:     item.CreatedAt.Unix(),
+			UpdatedAt:     item.UpdatedAt.Unix(),
+		})
+	}
+
+	return &types.GetRedemptionCodeListResponse{
+		Total: total,
+		List:  redemptionCodes,
+	}, nil
+}
@@ -0,0 +1,59 @@
+package redemption
+
+import (
+	"context"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type GetRedemptionRecordListLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Get redemption record list
+func NewGetRedemptionRecordListLogic(ctx context.Context, svcCtx *svc.ServiceContext) *GetRedemptionRecordListLogic {
+	return &GetRedemptionRecordListLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *GetRedemptionRecordListLogic) GetRedemptionRecordList(req *types.GetRedemptionRecordListRequest) (resp *types.GetRedemptionRecordListResponse, err error) {
+	total, list, err := l.svcCtx.RedemptionRecordModel.QueryRedemptionRecordListByPage(
+		l.ctx,
+		int(req.Page),
+		int(req.Size),
+		req.UserId,
+		req.CodeId,
+	)
+	if err != nil {
+		l.Errorw("[GetRedemptionRecordList] Database Error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "get redemption record list error: %v", err.Error())
+	}
+
+	var redemptionRecords []types.RedemptionRecord
+	for _, item := range list {
+		redemptionRecords = append(redemptionRecords, types.RedemptionRecord{
+			Id:               item.Id,
+			RedemptionCodeId: item.RedemptionCodeId,
+			UserId:           item.UserId,
+			SubscribeId:      item.SubscribeId,
+			UnitTime:         item.UnitTime,
+			Quantity:         item.Quantity,
+			RedeemedAt:       item.RedeemedAt.Unix(),
+			CreatedAt:        item.CreatedAt.Unix(),
+		})
+	}
+
+	return &types.GetRedemptionRecordListResponse{
+		Total: total,
+		List:  redemptionRecords,
+	}, nil
+}
@@ -0,0 +1,65 @@
+package redemption
+
+import (
+	"context"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+)
+
+type UpdateRedemptionCodeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Update redemption code
+func NewUpdateRedemptionCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *UpdateRedemptionCodeLogic {
+	return &UpdateRedemptionCodeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *UpdateRedemptionCodeLogic) UpdateRedemptionCode(req *types.UpdateRedemptionCodeRequest) error {
+	redemptionCode, err := l.svcCtx.RedemptionCodeModel.FindOne(l.ctx, req.Id)
+	if err != nil {
+		l.Errorw("[UpdateRedemptionCode] Find Redemption Code Error", logger.Field("error", err.Error()))
+		return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find redemption code error: %v", err.Error())
+	}
+
+	// Code is not allowed to be modified
+	if req.TotalCount != 0 {
+		// Total count cannot be less than used count
+		if req.TotalCount < redemptionCode.UsedCount {
+			l.Errorw("[UpdateRedemptionCode] Total count cannot be less than used count",
+				logger.Field("total_count", req.TotalCount),
+				logger.Field("used_count", redemptionCode.UsedCount))
+			return errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams),
+				"total count cannot be less than used count: total_count=%d, used_count=%d",
+				req.TotalCount, redemptionCode.UsedCount)
+		}
+		redemptionCode.TotalCount = req.TotalCount
+	}
+	if req.SubscribePlan != 0 {
+		redemptionCode.SubscribePlan = req.SubscribePlan
+	}
+	if req.UnitTime != "" {
+		redemptionCode.UnitTime = req.UnitTime
+	}
+	if req.Quantity != 0 {
+		redemptionCode.Quantity = req.Quantity
+	}
+
+	err = l.svcCtx.RedemptionCodeModel.Update(l.ctx, redemptionCode)
+	if err != nil {
+		l.Errorw("[UpdateRedemptionCode] Database Error", logger.Field("error", err.Error()))
+		return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "update redemption code error: %v", err.Error())
+	}
+
+	return nil
+}