feat: Redemption Code

apis/admin/redemption.api

@@ -0,0 +1,86 @@
+syntax = "v1"
+
+info (
+	title:   "redemption API"
+	desc:    "API for redemption code management"
+	author:  "Tension"
+	email:   "tension@ppanel.com"
+	version: "0.0.1"
+)
+
+import "../types.api"
+
+type (
+	CreateRedemptionCodeRequest {
+		TotalCount    int64  `json:"total_count" validate:"required"`
+		SubscribePlan int64  `json:"subscribe_plan" validate:"required"`
+		UnitTime      string `json:"unit_time" validate:"required,oneof=day month quarter half_year year"`
+		Quantity      int64  `json:"quantity" validate:"required"`
+		BatchCount    int64  `json:"batch_count" validate:"required,min=1"`
+	}
+	UpdateRedemptionCodeRequest {
+		Id            int64  `json:"id" validate:"required"`
+		TotalCount    int64  `json:"total_count,omitempty"`
+		SubscribePlan int64  `json:"subscribe_plan,omitempty"`
+		UnitTime      string `json:"unit_time,omitempty" validate:"omitempty,oneof=day month quarter half_year year"`
+		Quantity      int64  `json:"quantity,omitempty"`
+	}
+	DeleteRedemptionCodeRequest {
+		Id int64 `json:"id" validate:"required"`
+	}
+	BatchDeleteRedemptionCodeRequest {
+		Ids []int64 `json:"ids" validate:"required"`
+	}
+	GetRedemptionCodeListRequest {
+		Page          int64  `form:"page" validate:"required"`
+		Size          int64  `form:"size" validate:"required"`
+		SubscribePlan int64  `form:"subscribe_plan,omitempty"`
+		UnitTime      string `form:"unit_time,omitempty"`
+		Code          string `form:"code,omitempty"`
+	}
+	GetRedemptionCodeListResponse {
+		Total int64            `json:"total"`
+		List  []RedemptionCode `json:"list"`
+	}
+	GetRedemptionRecordListRequest {
+		Page   int64 `form:"page" validate:"required"`
+		Size   int64 `form:"size" validate:"required"`
+		UserId int64 `form:"user_id,omitempty"`
+		CodeId int64 `form:"code_id,omitempty"`
+	}
+	GetRedemptionRecordListResponse {
+		Total int64              `json:"total"`
+		List  []RedemptionRecord `json:"list"`
+	}
+)
+
+@server (
+	prefix:     v1/admin/redemption
+	group:      admin/redemption
+	middleware: AuthMiddleware
+)
+service ppanel {
+	@doc "Create redemption code"
+	@handler CreateRedemptionCode
+	post /code (CreateRedemptionCodeRequest)
+
+	@doc "Update redemption code"
+	@handler UpdateRedemptionCode
+	put /code (UpdateRedemptionCodeRequest)
+
+	@doc "Delete redemption code"
+	@handler DeleteRedemptionCode
+	delete /code (DeleteRedemptionCodeRequest)
+
+	@doc "Batch delete redemption code"
+	@handler BatchDeleteRedemptionCode
+	delete /code/batch (BatchDeleteRedemptionCodeRequest)
+
+	@doc "Get redemption code list"
+	@handler GetRedemptionCodeList
+	get /code/list (GetRedemptionCodeListRequest) returns (GetRedemptionCodeListResponse)
+
+	@doc "Get redemption record list"
+	@handler GetRedemptionRecordList
+	get /record/list (GetRedemptionRecordListRequest) returns (GetRedemptionRecordListResponse)
+}

apis/public/redemption.api

@@ -0,0 +1,32 @@
+syntax = "v1"
+
+info (
+	title:   "redemption API"
+	desc:    "API for redemption"
+	author:  "Tension"
+	email:   "tension@ppanel.com"
+	version: "0.0.1"
+)
+
+import "../types.api"
+
+type (
+	RedeemCodeRequest {
+		Code string `json:"code" validate:"required"`
+	}
+	RedeemCodeResponse {
+		Message string `json:"message"`
+	}
+)
+
+@server (
+	prefix:     v1/public/redemption
+	group:      public/redemption
+	jwt:        JwtAuth
+	middleware: AuthMiddleware,DeviceMiddleware
+)
+service ppanel {
+	@doc "Redeem code"
+	@handler RedeemCode
+	post / (RedeemCodeRequest) returns (RedeemCodeResponse)
+}

apis/types.api

@@ -448,6 +448,27 @@ type (
 		CreatedAt  int64   `json:"created_at"`
 		UpdatedAt  int64   `json:"updated_at"`
 	}
+	RedemptionCode {
+		Id            int64  `json:"id"`
+		Code          string `json:"code"`
+		TotalCount    int64  `json:"total_count"`
+		UsedCount     int64  `json:"used_count"`
+		SubscribePlan int64  `json:"subscribe_plan"`
+		UnitTime      string `json:"unit_time"`
+		Quantity      int64  `json:"quantity"`
+		CreatedAt     int64  `json:"created_at"`
+		UpdatedAt     int64  `json:"updated_at"`
+	}
+	RedemptionRecord {
+		Id               int64  `json:"id"`
+		RedemptionCodeId int64  `json:"redemption_code_id"`
+		UserId           int64  `json:"user_id"`
+		SubscribeId      int64  `json:"subscribe_id"`
+		UnitTime         string `json:"unit_time"`
+		Quantity         int64  `json:"quantity"`
+		RedeemedAt       int64  `json:"redeemed_at"`
+		CreatedAt        int64  `json:"created_at"`
+	}
 	Announcement {
 		Id        int64  `json:"id"`
 		Title     string `json:"title"`

initialize/migrate/database/02126_redemption.down.sql

@@ -0,0 +1,5 @@
+-- Drop redemption_record table
+DROP TABLE IF EXISTS `redemption_record`;
+
+-- Drop redemption_code table
+DROP TABLE IF EXISTS `redemption_code`;

initialize/migrate/database/02126_redemption.up.sql

@@ -0,0 +1,31 @@
+-- Create redemption_code table
+CREATE TABLE IF NOT EXISTS `redemption_code` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT 'Primary Key',
+    `code` VARCHAR(255) NOT NULL COMMENT 'Redemption Code',
+    `total_count` BIGINT NOT NULL DEFAULT 0 COMMENT 'Total Redemption Count',
+    `used_count` BIGINT NOT NULL DEFAULT 0 COMMENT 'Used Redemption Count',
+    `subscribe_plan` BIGINT NOT NULL DEFAULT 0 COMMENT 'Subscribe Plan',
+    `unit_time` VARCHAR(50) NOT NULL DEFAULT 'month' COMMENT 'Unit Time: day, month, quarter, half_year, year',
+    `quantity` BIGINT NOT NULL DEFAULT 1 COMMENT 'Quantity',
+    `created_at` DATETIME NOT NULL COMMENT 'Creation Time',
+    `updated_at` DATETIME NOT NULL COMMENT 'Update Time',
+    `deleted_at` DATETIME DEFAULT NULL COMMENT 'Deletion Time',
+    PRIMARY KEY (`id`),
+    UNIQUE KEY `uk_code` (`code`),
+    KEY `idx_deleted_at` (`deleted_at`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Redemption Code Table';
+
+-- Create redemption_record table
+CREATE TABLE IF NOT EXISTS `redemption_record` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT COMMENT 'Primary Key',
+    `redemption_code_id` BIGINT NOT NULL DEFAULT 0 COMMENT 'Redemption Code Id',
+    `user_id` BIGINT NOT NULL DEFAULT 0 COMMENT 'User Id',
+    `subscribe_id` BIGINT NOT NULL DEFAULT 0 COMMENT 'Subscribe Id',
+    `unit_time` VARCHAR(50) NOT NULL DEFAULT 'month' COMMENT 'Unit Time',
+    `quantity` BIGINT NOT NULL DEFAULT 1 COMMENT 'Quantity',
+    `redeemed_at` DATETIME NOT NULL COMMENT 'Redeemed Time',
+    `created_at` DATETIME NOT NULL COMMENT 'Creation Time',
+    PRIMARY KEY (`id`),
+    KEY `idx_redemption_code_id` (`redemption_code_id`),
+    KEY `idx_user_id` (`user_id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci COMMENT='Redemption Record Table';

internal/handler/admin/redemption/batchDeleteRedemptionCodeHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Batch delete redemption code
+func BatchDeleteRedemptionCodeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.BatchDeleteRedemptionCodeRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewBatchDeleteRedemptionCodeLogic(c.Request.Context(), svcCtx)
+		err := l.BatchDeleteRedemptionCode(&req)
+		result.HttpResult(c, nil, err)
+	}
+}

internal/handler/admin/redemption/createRedemptionCodeHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Create redemption code
+func CreateRedemptionCodeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.CreateRedemptionCodeRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewCreateRedemptionCodeLogic(c.Request.Context(), svcCtx)
+		err := l.CreateRedemptionCode(&req)
+		result.HttpResult(c, nil, err)
+	}
+}

internal/handler/admin/redemption/deleteRedemptionCodeHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Delete redemption code
+func DeleteRedemptionCodeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.DeleteRedemptionCodeRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewDeleteRedemptionCodeLogic(c.Request.Context(), svcCtx)
+		err := l.DeleteRedemptionCode(&req)
+		result.HttpResult(c, nil, err)
+	}
+}

internal/handler/admin/redemption/getRedemptionCodeListHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Get redemption code list
+func GetRedemptionCodeListHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.GetRedemptionCodeListRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewGetRedemptionCodeListLogic(c.Request.Context(), svcCtx)
+		resp, err := l.GetRedemptionCodeList(&req)
+		result.HttpResult(c, resp, err)
+	}
+}

internal/handler/admin/redemption/getRedemptionRecordListHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Get redemption record list
+func GetRedemptionRecordListHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.GetRedemptionRecordListRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewGetRedemptionRecordListLogic(c.Request.Context(), svcCtx)
+		resp, err := l.GetRedemptionRecordList(&req)
+		result.HttpResult(c, resp, err)
+	}
+}

internal/handler/admin/redemption/updateRedemptionCodeHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/admin/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Update redemption code
+func UpdateRedemptionCodeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.UpdateRedemptionCodeRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewUpdateRedemptionCodeLogic(c.Request.Context(), svcCtx)
+		err := l.UpdateRedemptionCode(&req)
+		result.HttpResult(c, nil, err)
+	}
+}

internal/handler/public/redemption/redeemCodeHandler.go

@@ -0,0 +1,26 @@
+package redemption
+
+import (
+	"github.com/gin-gonic/gin"
+	"github.com/perfect-panel/server/internal/logic/public/redemption"
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/result"
+)
+
+// Redeem code
+func RedeemCodeHandler(svcCtx *svc.ServiceContext) func(c *gin.Context) {
+	return func(c *gin.Context) {
+		var req types.RedeemCodeRequest
+		_ = c.ShouldBind(&req)
+		validateErr := svcCtx.Validate(&req)
+		if validateErr != nil {
+			result.ParamErrorResult(c, validateErr)
+			return
+		}
+
+		l := redemption.NewRedeemCodeLogic(c.Request.Context(), svcCtx)
+		resp, err := l.RedeemCode(&req)
+		result.HttpResult(c, resp, err)
+	}
+}

internal/handler/routes.go

@@ -16,6 +16,7 @@ import (
 	adminMarketing "github.com/perfect-panel/server/internal/handler/admin/marketing"
 	adminOrder "github.com/perfect-panel/server/internal/handler/admin/order"
 	adminPayment "github.com/perfect-panel/server/internal/handler/admin/payment"
+	adminRedemption "github.com/perfect-panel/server/internal/handler/admin/redemption"
 	adminServer "github.com/perfect-panel/server/internal/handler/admin/server"
 	adminSubscribe "github.com/perfect-panel/server/internal/handler/admin/subscribe"
 	adminSystem "github.com/perfect-panel/server/internal/handler/admin/system"
@@ -30,6 +31,7 @@ import (
 	publicOrder "github.com/perfect-panel/server/internal/handler/public/order"
 	publicPayment "github.com/perfect-panel/server/internal/handler/public/payment"
 	publicPortal "github.com/perfect-panel/server/internal/handler/public/portal"
+	publicRedemption "github.com/perfect-panel/server/internal/handler/public/redemption"
 	publicSubscribe "github.com/perfect-panel/server/internal/handler/public/subscribe"
 	publicTicket "github.com/perfect-panel/server/internal/handler/public/ticket"
 	publicUser "github.com/perfect-panel/server/internal/handler/public/user"
@@ -298,6 +300,29 @@ func RegisterHandlers(router *gin.Engine, serverCtx *svc.ServiceContext) {
 		adminPaymentGroupRouter.GET("/platform", adminPayment.GetPaymentPlatformHandler(serverCtx))
 	}
 
+	adminRedemptionGroupRouter := router.Group("/v1/admin/redemption")
+	adminRedemptionGroupRouter.Use(middleware.AuthMiddleware(serverCtx))
+
+	{
+		// Create redemption code
+		adminRedemptionGroupRouter.POST("/code", adminRedemption.CreateRedemptionCodeHandler(serverCtx))
+
+		// Update redemption code
+		adminRedemptionGroupRouter.PUT("/code", adminRedemption.UpdateRedemptionCodeHandler(serverCtx))
+
+		// Delete redemption code
+		adminRedemptionGroupRouter.DELETE("/code", adminRedemption.DeleteRedemptionCodeHandler(serverCtx))
+
+		// Batch delete redemption code
+		adminRedemptionGroupRouter.DELETE("/code/batch", adminRedemption.BatchDeleteRedemptionCodeHandler(serverCtx))
+
+		// Get redemption code list
+		adminRedemptionGroupRouter.GET("/code/list", adminRedemption.GetRedemptionCodeListHandler(serverCtx))
+
+		// Get redemption record list
+		adminRedemptionGroupRouter.GET("/record/list", adminRedemption.GetRedemptionRecordListHandler(serverCtx))
+	}
+
 	adminServerGroupRouter := router.Group("/v1/admin/server")
 	adminServerGroupRouter.Use(middleware.AuthMiddleware(serverCtx))
 
@@ -748,6 +773,14 @@ func RegisterHandlers(router *gin.Engine, serverCtx *svc.ServiceContext) {
 		publicPortalGroupRouter.GET("/subscribe", publicPortal.GetSubscriptionHandler(serverCtx))
 	}
 
+	publicRedemptionGroupRouter := router.Group("/v1/public/redemption")
+	publicRedemptionGroupRouter.Use(middleware.AuthMiddleware(serverCtx), middleware.DeviceMiddleware(serverCtx))
+
+	{
+		// Redeem code
+		publicRedemptionGroupRouter.POST("/", publicRedemption.RedeemCodeHandler(serverCtx))
+	}
+
 	publicSubscribeGroupRouter := router.Group("/v1/public/subscribe")
 	publicSubscribeGroupRouter.Use(middleware.AuthMiddleware(serverCtx), middleware.DeviceMiddleware(serverCtx))
 

internal/logic/admin/redemption/batchDeleteRedemptionCodeLogic.go

@@ -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
+}

internal/logic/admin/redemption/createRedemptionCodeLogic.go

@@ -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
+}

internal/logic/admin/redemption/deleteRedemptionCodeLogic.go

@@ -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
+}

internal/logic/admin/redemption/getRedemptionCodeListLogic.go

@@ -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
+}

internal/logic/admin/redemption/getRedemptionRecordListLogic.go

@@ -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
+}

internal/logic/admin/redemption/updateRedemptionCodeLogic.go

@@ -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
+}

internal/logic/public/redemption/redeemCodeLogic.go

@@ -0,0 +1,254 @@
+package redemption
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/google/uuid"
+	"github.com/perfect-panel/server/internal/model/redemption"
+	"github.com/perfect-panel/server/internal/model/user"
+	"github.com/perfect-panel/server/pkg/constant"
+	"github.com/perfect-panel/server/pkg/snowflake"
+	"github.com/perfect-panel/server/pkg/uuidx"
+	"github.com/perfect-panel/server/pkg/xerr"
+	"github.com/pkg/errors"
+	"gorm.io/gorm"
+
+	"github.com/perfect-panel/server/internal/svc"
+	"github.com/perfect-panel/server/internal/types"
+	"github.com/perfect-panel/server/pkg/logger"
+)
+
+type RedeemCodeLogic struct {
+	logger.Logger
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+}
+
+// Redeem code
+func NewRedeemCodeLogic(ctx context.Context, svcCtx *svc.ServiceContext) *RedeemCodeLogic {
+	return &RedeemCodeLogic{
+		Logger: logger.WithContext(ctx),
+		ctx:    ctx,
+		svcCtx: svcCtx,
+	}
+}
+
+func (l *RedeemCodeLogic) RedeemCode(req *types.RedeemCodeRequest) (resp *types.RedeemCodeResponse, err error) {
+	// Get user from context
+	u, ok := l.ctx.Value(constant.CtxKeyUser).(*user.User)
+	if !ok {
+		logger.Error("current user is not found in context")
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.InvalidAccess), "Invalid Access")
+	}
+
+	// Find redemption code by code
+	redemptionCode, err := l.svcCtx.RedemptionCodeModel.FindOneByCode(l.ctx, req.Code)
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			l.Errorw("[RedeemCode] Redemption code not found", logger.Field("code", req.Code))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "redemption code not found")
+		}
+		l.Errorw("[RedeemCode] Database Error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find redemption code error: %v", err.Error())
+	}
+
+	// Check if redemption code has remaining count
+	if redemptionCode.TotalCount > 0 && redemptionCode.UsedCount >= redemptionCode.TotalCount {
+		l.Errorw("[RedeemCode] Redemption code has been fully used",
+			logger.Field("code", req.Code),
+			logger.Field("total_count", redemptionCode.TotalCount),
+			logger.Field("used_count", redemptionCode.UsedCount))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "redemption code has been fully used")
+	}
+
+	// Check if user has already redeemed this code
+	userRecords, err := l.svcCtx.RedemptionRecordModel.FindByUserId(l.ctx, u.Id)
+	if err != nil {
+		l.Errorw("[RedeemCode] Database Error", logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "find redemption records error: %v", err.Error())
+	}
+	for _, record := range userRecords {
+		if record.RedemptionCodeId == redemptionCode.Id {
+			l.Errorw("[RedeemCode] User has already redeemed this code",
+				logger.Field("user_id", u.Id),
+				logger.Field("code", req.Code))
+			return nil, errors.Wrapf(xerr.NewErrCode(xerr.InvalidParams), "you have already redeemed this code")
+		}
+	}
+
+	// Find subscribe plan from redemption code
+	subscribePlan, err := l.svcCtx.SubscribeModel.FindOne(l.ctx, redemptionCode.SubscribePlan)
+	if err != nil {
+		l.Errorw("[RedeemCode] Subscribe plan not found",
+			logger.Field("subscribe_plan", redemptionCode.SubscribePlan),
+			logger.Field("error", err.Error()))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.DatabaseQueryError), "subscribe plan not found")
+	}
+
+	// Check if subscribe plan is available
+	if !*subscribePlan.Sell {
+		l.Errorw("[RedeemCode] Subscribe plan is not available",
+			logger.Field("subscribe_plan", redemptionCode.SubscribePlan))
+		return nil, errors.Wrapf(xerr.NewErrCode(xerr.SubscribeNotAvailable), "subscribe plan is not available")
+	}
+
+	// Start transaction
+	err = l.svcCtx.RedemptionCodeModel.Transaction(l.ctx, func(tx *gorm.DB) error {
+		// Find user's existing subscribe for this plan
+		var existingSubscribe *user.SubscribeDetails
+		userSubscribes, err := l.svcCtx.UserModel.QueryUserSubscribe(l.ctx, u.Id, 0, 1)
+		if err == nil {
+			for _, us := range userSubscribes {
+				if us.SubscribeId == redemptionCode.SubscribePlan {
+					existingSubscribe = us
+					break
+				}
+			}
+		}
+
+		now := time.Now()
+
+		if existingSubscribe != nil {
+			// Extend existing subscribe
+			var newExpireTime time.Time
+			if existingSubscribe.ExpireTime.After(now) {
+				newExpireTime = existingSubscribe.ExpireTime
+			} else {
+				newExpireTime = now
+			}
+
+			// Calculate duration based on redemption code
+			duration, err := calculateDuration(redemptionCode.UnitTime, redemptionCode.Quantity)
+			if err != nil {
+				l.Errorw("[RedeemCode] Calculate duration error", logger.Field("error", err.Error()))
+				return errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "calculate duration error: %v", err.Error())
+			}
+			newExpireTime = newExpireTime.Add(duration)
+
+			// Update subscribe
+			existingSubscribe.ExpireTime = newExpireTime
+			existingSubscribe.Status = 1
+
+			// Add traffic if needed
+			if subscribePlan.Traffic > 0 {
+				existingSubscribe.Traffic = subscribePlan.Traffic * 1024 * 1024 * 1024
+				existingSubscribe.Download = 0
+				existingSubscribe.Upload = 0
+			}
+
+			err = l.svcCtx.UserModel.UpdateSubscribe(l.ctx, &user.Subscribe{
+				Id:         existingSubscribe.Id,
+				UserId:     existingSubscribe.UserId,
+				ExpireTime: existingSubscribe.ExpireTime,
+				Status:     existingSubscribe.Status,
+				Traffic:    existingSubscribe.Traffic,
+				Download:   existingSubscribe.Download,
+				Upload:     existingSubscribe.Upload,
+			}, tx)
+			if err != nil {
+				l.Errorw("[RedeemCode] Update subscribe error", logger.Field("error", err.Error()))
+				return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "update subscribe error: %v", err.Error())
+			}
+		} else {
+			// Create new subscribe
+			expireTime, traffic, err := calculateSubscribeTimeAndTraffic(redemptionCode.UnitTime, redemptionCode.Quantity, subscribePlan.Traffic)
+			if err != nil {
+				l.Errorw("[RedeemCode] Calculate subscribe time and traffic error", logger.Field("error", err.Error()))
+				return errors.Wrapf(xerr.NewErrCode(xerr.ERROR), "calculate subscribe time and traffic error: %v", err.Error())
+			}
+
+			newSubscribe := &user.Subscribe{
+				Id:          snowflake.GetID(),
+				UserId:      u.Id,
+				OrderId:     0,
+				SubscribeId: redemptionCode.SubscribePlan,
+				StartTime:   now,
+				ExpireTime:  expireTime,
+				FinishedAt:  nil,
+				Traffic:     traffic,
+				Download:    0,
+				Upload:      0,
+				Token:       uuidx.SubscribeToken(fmt.Sprintf("redemption:%d:%d", u.Id, time.Now().UnixMilli())),
+				UUID:        uuid.New().String(),
+				Status:      1,
+			}
+
+			err = l.svcCtx.UserModel.InsertSubscribe(l.ctx, newSubscribe, tx)
+			if err != nil {
+				l.Errorw("[RedeemCode] Insert subscribe error", logger.Field("error", err.Error()))
+				return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "insert subscribe error: %v", err.Error())
+			}
+		}
+
+		// Increment redemption code used count
+		err = l.svcCtx.RedemptionCodeModel.IncrementUsedCount(l.ctx, redemptionCode.Id)
+		if err != nil {
+			l.Errorw("[RedeemCode] Increment used count error", logger.Field("error", err.Error()))
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseUpdateError), "increment used count error: %v", err.Error())
+		}
+
+		// Create redemption record
+		redemptionRecord := &redemption.RedemptionRecord{
+			Id:               snowflake.GetID(),
+			RedemptionCodeId: redemptionCode.Id,
+			UserId:           u.Id,
+			SubscribeId:      redemptionCode.SubscribePlan,
+			UnitTime:         redemptionCode.UnitTime,
+			Quantity:         redemptionCode.Quantity,
+			RedeemedAt:       now,
+			CreatedAt:        now,
+		}
+
+		err = l.svcCtx.RedemptionRecordModel.Insert(l.ctx, redemptionRecord)
+		if err != nil {
+			l.Errorw("[RedeemCode] Insert redemption record error", logger.Field("error", err.Error()))
+			return errors.Wrapf(xerr.NewErrCode(xerr.DatabaseInsertError), "insert redemption record error: %v", err.Error())
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &types.RedeemCodeResponse{
+		Message: "Redemption successful",
+	}, nil
+}
+
+// calculateDuration calculates time duration based on unit time
+func calculateDuration(unitTime string, quantity int64) (time.Duration, error) {
+	switch unitTime {
+	case "month":
+		return time.Duration(quantity*30*24) * time.Hour, nil
+	case "quarter":
+		return time.Duration(quantity*90*24) * time.Hour, nil
+	case "half_year":
+		return time.Duration(quantity*180*24) * time.Hour, nil
+	case "year":
+		return time.Duration(quantity*365*24) * time.Hour, nil
+	case "day":
+		return time.Duration(quantity*24) * time.Hour, nil
+	default:
+		return time.Duration(quantity*30*24) * time.Hour, nil
+	}
+}
+
+// calculateSubscribeTimeAndTraffic calculates expire time and traffic based on subscribe plan
+func calculateSubscribeTimeAndTraffic(unitTime string, quantity int64, traffic int64) (time.Time, int64, error) {
+	duration, err := calculateDuration(unitTime, quantity)
+	if err != nil {
+		return time.Time{}, 0, err
+	}
+
+	expireTime := time.Now().Add(duration)
+	trafficBytes := int64(0)
+	if traffic > 0 {
+		trafficBytes = traffic * 1024 * 1024 * 1024
+	}
+
+	return expireTime, trafficBytes, nil
+}

internal/model/redemption/default.go

@@ -0,0 +1,279 @@
+package redemption
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	"github.com/perfect-panel/server/pkg/cache"
+	"github.com/redis/go-redis/v9"
+	"gorm.io/gorm"
+)
+
+var _ RedemptionCodeModel = (*customRedemptionCodeModel)(nil)
+var _ RedemptionRecordModel = (*customRedemptionRecordModel)(nil)
+
+var (
+	cacheRedemptionCodeIdPrefix   = "cache:redemption_code:id:"
+	cacheRedemptionCodeCodePrefix = "cache:redemption_code:code:"
+	cacheRedemptionRecordIdPrefix = "cache:redemption_record:id:"
+)
+
+type (
+	RedemptionCodeModel interface {
+		Insert(ctx context.Context, data *RedemptionCode) error
+		FindOne(ctx context.Context, id int64) (*RedemptionCode, error)
+		FindOneByCode(ctx context.Context, code string) (*RedemptionCode, error)
+		Update(ctx context.Context, data *RedemptionCode) error
+		Delete(ctx context.Context, id int64) error
+		Transaction(ctx context.Context, fn func(db *gorm.DB) error) error
+		customRedemptionCodeLogicModel
+	}
+
+	RedemptionRecordModel interface {
+		Insert(ctx context.Context, data *RedemptionRecord) error
+		FindOne(ctx context.Context, id int64) (*RedemptionRecord, error)
+		Update(ctx context.Context, data *RedemptionRecord) error
+		Delete(ctx context.Context, id int64) error
+		customRedemptionRecordLogicModel
+	}
+
+	customRedemptionCodeLogicModel interface {
+		QueryRedemptionCodeListByPage(ctx context.Context, page, size int, subscribePlan int64, unitTime string, code string) (total int64, list []*RedemptionCode, err error)
+		BatchDelete(ctx context.Context, ids []int64) error
+		IncrementUsedCount(ctx context.Context, id int64) error
+	}
+
+	customRedemptionRecordLogicModel interface {
+		QueryRedemptionRecordListByPage(ctx context.Context, page, size int, userId int64, codeId int64) (total int64, list []*RedemptionRecord, err error)
+		FindByUserId(ctx context.Context, userId int64) ([]*RedemptionRecord, error)
+		FindByCodeId(ctx context.Context, codeId int64) ([]*RedemptionRecord, error)
+	}
+
+	customRedemptionCodeModel struct {
+		*defaultRedemptionCodeModel
+	}
+	defaultRedemptionCodeModel struct {
+		cache.CachedConn
+		table string
+	}
+
+	customRedemptionRecordModel struct {
+		*defaultRedemptionRecordModel
+	}
+	defaultRedemptionRecordModel struct {
+		cache.CachedConn
+		table string
+	}
+)
+
+func newRedemptionCodeModel(db *gorm.DB, c *redis.Client) *defaultRedemptionCodeModel {
+	return &defaultRedemptionCodeModel{
+		CachedConn: cache.NewConn(db, c),
+		table:      "`redemption_code`",
+	}
+}
+
+func newRedemptionRecordModel(db *gorm.DB, c *redis.Client) *defaultRedemptionRecordModel {
+	return &defaultRedemptionRecordModel{
+		CachedConn: cache.NewConn(db, c),
+		table:      "`redemption_record`",
+	}
+}
+
+// RedemptionCode cache methods
+func (m *defaultRedemptionCodeModel) getCacheKeys(data *RedemptionCode) []string {
+	if data == nil {
+		return []string{}
+	}
+	codeIdKey := fmt.Sprintf("%s%v", cacheRedemptionCodeIdPrefix, data.Id)
+	codeCodeKey := fmt.Sprintf("%s%v", cacheRedemptionCodeCodePrefix, data.Code)
+	cacheKeys := []string{
+		codeIdKey,
+		codeCodeKey,
+	}
+	return cacheKeys
+}
+
+func (m *defaultRedemptionCodeModel) Insert(ctx context.Context, data *RedemptionCode) error {
+	err := m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		return conn.Create(data).Error
+	}, m.getCacheKeys(data)...)
+	return err
+}
+
+func (m *defaultRedemptionCodeModel) FindOne(ctx context.Context, id int64) (*RedemptionCode, error) {
+	codeIdKey := fmt.Sprintf("%s%v", cacheRedemptionCodeIdPrefix, id)
+	var resp RedemptionCode
+	err := m.QueryCtx(ctx, &resp, codeIdKey, func(conn *gorm.DB, v interface{}) error {
+		return conn.Model(&RedemptionCode{}).Where("`id` = ?", id).First(&resp).Error
+	})
+	switch {
+	case err == nil:
+		return &resp, nil
+	default:
+		return nil, err
+	}
+}
+
+func (m *defaultRedemptionCodeModel) FindOneByCode(ctx context.Context, code string) (*RedemptionCode, error) {
+	codeCodeKey := fmt.Sprintf("%s%v", cacheRedemptionCodeCodePrefix, code)
+	var resp RedemptionCode
+	err := m.QueryCtx(ctx, &resp, codeCodeKey, func(conn *gorm.DB, v interface{}) error {
+		return conn.Model(&RedemptionCode{}).Where("`code` = ?", code).First(&resp).Error
+	})
+	switch {
+	case err == nil:
+		return &resp, nil
+	default:
+		return nil, err
+	}
+}
+
+func (m *defaultRedemptionCodeModel) Update(ctx context.Context, data *RedemptionCode) error {
+	old, err := m.FindOne(ctx, data.Id)
+	if err != nil && !errors.Is(err, gorm.ErrRecordNotFound) {
+		return err
+	}
+	err = m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		db := conn
+		return db.Save(data).Error
+	}, m.getCacheKeys(old)...)
+	return err
+}
+
+func (m *defaultRedemptionCodeModel) Delete(ctx context.Context, id int64) error {
+	data, err := m.FindOne(ctx, id)
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil
+		}
+		return err
+	}
+	err = m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		db := conn
+		return db.Delete(&RedemptionCode{}, id).Error
+	}, m.getCacheKeys(data)...)
+	return err
+}
+
+func (m *defaultRedemptionCodeModel) Transaction(ctx context.Context, fn func(db *gorm.DB) error) error {
+	return m.TransactCtx(ctx, fn)
+}
+
+// RedemptionCode custom logic methods
+func (m *customRedemptionCodeModel) QueryRedemptionCodeListByPage(ctx context.Context, page, size int, subscribePlan int64, unitTime string, code string) (total int64, list []*RedemptionCode, err error) {
+	err = m.QueryNoCacheCtx(ctx, &list, func(conn *gorm.DB, v interface{}) error {
+		db := conn.Model(&RedemptionCode{})
+		if subscribePlan != 0 {
+			db = db.Where("subscribe_plan = ?", subscribePlan)
+		}
+		if unitTime != "" {
+			db = db.Where("unit_time = ?", unitTime)
+		}
+		if code != "" {
+			db = db.Where("code like ?", "%"+code+"%")
+		}
+		return db.Count(&total).Limit(size).Offset((page - 1) * size).Order("created_at DESC").Find(v).Error
+	})
+	return total, list, err
+}
+
+func (m *customRedemptionCodeModel) BatchDelete(ctx context.Context, ids []int64) error {
+	var err error
+	for _, id := range ids {
+		if err = m.Delete(ctx, id); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (m *customRedemptionCodeModel) IncrementUsedCount(ctx context.Context, id int64) error {
+	data, err := m.FindOne(ctx, id)
+	if err != nil {
+		return err
+	}
+	data.UsedCount++
+	return m.Update(ctx, data)
+}
+
+// RedemptionRecord cache methods
+func (m *defaultRedemptionRecordModel) getCacheKeys(data *RedemptionRecord) []string {
+	if data == nil {
+		return []string{}
+	}
+	recordIdKey := fmt.Sprintf("%s%v", cacheRedemptionRecordIdPrefix, data.Id)
+	cacheKeys := []string{
+		recordIdKey,
+	}
+	return cacheKeys
+}
+
+func (m *defaultRedemptionRecordModel) Insert(ctx context.Context, data *RedemptionRecord) error {
+	err := m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		return conn.Create(data).Error
+	}, m.getCacheKeys(data)...)
+	return err
+}
+
+func (m *defaultRedemptionRecordModel) FindOne(ctx context.Context, id int64) (*RedemptionRecord, error) {
+	recordIdKey := fmt.Sprintf("%s%v", cacheRedemptionRecordIdPrefix, id)
+	var resp RedemptionRecord
+	err := m.QueryCtx(ctx, &resp, recordIdKey, func(conn *gorm.DB, v interface{}) error {
+		return conn.Model(&RedemptionRecord{}).Where("`id` = ?", id).First(&resp).Error
+	})
+	switch {
+	case err == nil:
+		return &resp, nil
+	default:
+		return nil, err
+	}
+}
+
+func (m *defaultRedemptionRecordModel) Update(ctx context.Context, data *RedemptionRecord) error {
+	err := m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		db := conn
+		return db.Save(data).Error
+	}, m.getCacheKeys(data)...)
+	return err
+}
+
+func (m *defaultRedemptionRecordModel) Delete(ctx context.Context, id int64) error {
+	err := m.ExecCtx(ctx, func(conn *gorm.DB) error {
+		db := conn
+		return db.Delete(&RedemptionRecord{}, id).Error
+	}, m.getCacheKeys(nil)...)
+	return err
+}
+
+// RedemptionRecord custom logic methods
+func (m *customRedemptionRecordModel) QueryRedemptionRecordListByPage(ctx context.Context, page, size int, userId int64, codeId int64) (total int64, list []*RedemptionRecord, err error) {
+	err = m.QueryNoCacheCtx(ctx, &list, func(conn *gorm.DB, v interface{}) error {
+		db := conn.Model(&RedemptionRecord{})
+		if userId != 0 {
+			db = db.Where("user_id = ?", userId)
+		}
+		if codeId != 0 {
+			db = db.Where("redemption_code_id = ?", codeId)
+		}
+		return db.Count(&total).Limit(size).Offset((page - 1) * size).Order("created_at DESC").Find(v).Error
+	})
+	return total, list, err
+}
+
+func (m *customRedemptionRecordModel) FindByUserId(ctx context.Context, userId int64) ([]*RedemptionRecord, error) {
+	var list []*RedemptionRecord
+	err := m.QueryNoCacheCtx(ctx, &list, func(conn *gorm.DB, v interface{}) error {
+		return conn.Model(&RedemptionRecord{}).Where("user_id = ?", userId).Order("created_at DESC").Find(v).Error
+	})
+	return list, err
+}
+
+func (m *customRedemptionRecordModel) FindByCodeId(ctx context.Context, codeId int64) ([]*RedemptionRecord, error) {
+	var list []*RedemptionRecord
+	err := m.QueryNoCacheCtx(ctx, &list, func(conn *gorm.DB, v interface{}) error {
+		return conn.Model(&RedemptionRecord{}).Where("redemption_code_id = ?", codeId).Order("created_at DESC").Find(v).Error
+	})
+	return list, err
+}

internal/model/redemption/model.go

@@ -0,0 +1,20 @@
+package redemption
+
+import (
+	"github.com/redis/go-redis/v9"
+	"gorm.io/gorm"
+)
+
+// NewRedemptionCodeModel returns a model for the redemption_code table.
+func NewRedemptionCodeModel(conn *gorm.DB, c *redis.Client) RedemptionCodeModel {
+	return &customRedemptionCodeModel{
+		defaultRedemptionCodeModel: newRedemptionCodeModel(conn, c),
+	}
+}
+
+// NewRedemptionRecordModel returns a model for the redemption_record table.
+func NewRedemptionRecordModel(conn *gorm.DB, c *redis.Client) RedemptionRecordModel {
+	return &customRedemptionRecordModel{
+		defaultRedemptionRecordModel: newRedemptionRecordModel(conn, c),
+	}
+}

internal/model/redemption/redemption.go

@@ -0,0 +1,39 @@
+package redemption
+
+import (
+	"time"
+
+	"gorm.io/gorm"
+)
+
+type RedemptionCode struct {
+	Id            int64          `gorm:"primaryKey"`
+	Code          string         `gorm:"type:varchar(255);not null;unique;comment:Redemption Code"`
+	TotalCount    int64          `gorm:"type:int;not null;default:0;comment:Total Redemption Count"`
+	UsedCount     int64          `gorm:"type:int;not null;default:0;comment:Used Redemption Count"`
+	SubscribePlan int64          `gorm:"type:bigint;not null;default:0;comment:Subscribe Plan"`
+	UnitTime      string         `gorm:"type:varchar(50);not null;default:'month';comment:Unit Time: day, month, quarter, half_year, year"`
+	Quantity      int64          `gorm:"type:int;not null;default:1;comment:Quantity"`
+	CreatedAt     time.Time      `gorm:"<-:create;comment:Create Time"`
+	UpdatedAt     time.Time      `gorm:"comment:Update Time"`
+	DeletedAt     gorm.DeletedAt `gorm:"index;comment:Delete Time"`
+}
+
+type RedemptionRecord struct {
+	Id               int64     `gorm:"primaryKey"`
+	RedemptionCodeId int64     `gorm:"type:bigint;not null;default:0;comment:Redemption Code Id;index"`
+	UserId           int64     `gorm:"type:bigint;not null;default:0;comment:User Id;index"`
+	SubscribeId      int64     `gorm:"type:bigint;not null;default:0;comment:Subscribe Id"`
+	UnitTime         string    `gorm:"type:varchar(50);not null;default:'month';comment:Unit Time"`
+	Quantity         int64     `gorm:"type:int;not null;default:1;comment:Quantity"`
+	RedeemedAt       time.Time `gorm:"<-:create;comment:Redeemed Time"`
+	CreatedAt        time.Time `gorm:"<-:create;comment:Create Time"`
+}
+
+func (RedemptionCode) TableName() string {
+	return "redemption_code"
+}
+
+func (RedemptionRecord) TableName() string {
+	return "redemption_record"
+}

internal/svc/serviceContext.go

@@ -5,6 +5,7 @@ import (
 
 	"github.com/perfect-panel/server/internal/model/client"
 	"github.com/perfect-panel/server/internal/model/node"
+	"github.com/perfect-panel/server/internal/model/redemption"
 	"github.com/perfect-panel/server/pkg/device"
 
 	"github.com/perfect-panel/server/internal/config"
@@ -49,13 +50,15 @@ type ServiceContext struct {
 	ClientModel client.Model
 	TicketModel ticket.Model
 	//ServerModel        server.Model
-	SystemModel       system.Model
+	SystemModel           system.Model
-	CouponModel       coupon.Model
+	CouponModel           coupon.Model
-	PaymentModel      payment.Model
+	RedemptionCodeModel   redemption.RedemptionCodeModel
-	DocumentModel     document.Model
+	RedemptionRecordModel redemption.RedemptionRecordModel
-	SubscribeModel    subscribe.Model
+	PaymentModel          payment.Model
-	TrafficLogModel   traffic.Model
+	DocumentModel         document.Model
-	AnnouncementModel announcement.Model
+	SubscribeModel        subscribe.Model
+	TrafficLogModel       traffic.Model
+	AnnouncementModel     announcement.Model
 
 	Restart               func() error
 	TelegramBot           *tgbotapi.BotAPI
@@ -110,13 +113,15 @@ func NewServiceContext(c config.Config) *ServiceContext {
 		ClientModel: client.NewSubscribeApplicationModel(db),
 		TicketModel: ticket.NewModel(db, rds),
 		//ServerModel:       server.NewModel(db, rds),
-		SystemModel:       system.NewModel(db, rds),
+		SystemModel:           system.NewModel(db, rds),
-		CouponModel:       coupon.NewModel(db, rds),
+		CouponModel:           coupon.NewModel(db, rds),
-		PaymentModel:      payment.NewModel(db, rds),
+		RedemptionCodeModel:   redemption.NewRedemptionCodeModel(db, rds),
-		DocumentModel:     document.NewModel(db, rds),
+		RedemptionRecordModel: redemption.NewRedemptionRecordModel(db, rds),
-		SubscribeModel:    subscribe.NewModel(db, rds),
+		PaymentModel:          payment.NewModel(db, rds),
-		TrafficLogModel:   traffic.NewModel(db),
+		DocumentModel:         document.NewModel(db, rds),
-		AnnouncementModel: announcement.NewModel(db, rds),
+		SubscribeModel:        subscribe.NewModel(db, rds),
+		TrafficLogModel:       traffic.NewModel(db),
+		AnnouncementModel:     announcement.NewModel(db, rds),
 	}
 	srv.DeviceManager = NewDeviceManager(srv)
 	return srv

internal/types/types.go

@@ -146,6 +146,10 @@ type BatchDeleteDocumentRequest struct {
 	Ids []int64 `json:"ids" validate:"required"`
 }
 
+type BatchDeleteRedemptionCodeRequest struct {
+	Ids []int64 `json:"ids" validate:"required"`
+}
+
 type BatchDeleteSubscribeGroupRequest struct {
 	Ids []int64 `json:"ids" validate:"required"`
 }
@@ -367,6 +371,14 @@ type CreateQuotaTaskRequest struct {
 	GiftValue    uint64  `json:"gift_value"`
 }
 
+type CreateRedemptionCodeRequest struct {
+	TotalCount    int64  `json:"total_count" validate:"required"`
+	SubscribePlan int64  `json:"subscribe_plan" validate:"required"`
+	UnitTime      string `json:"unit_time" validate:"required,oneof=day month quarter half_year year"`
+	Quantity      int64  `json:"quantity" validate:"required"`
+	BatchCount    int64  `json:"batch_count" validate:"required,min=1"`
+}
+
 type CreateServerRequest struct {
 	Name      string     `json:"name"`
 	Country   string     `json:"country,omitempty"`
@@ -501,6 +513,10 @@ type DeletePaymentMethodRequest struct {
 	Id int64 `json:"id" validate:"required"`
 }
 
+type DeleteRedemptionCodeRequest struct {
+	Id int64 `json:"id" validate:"required"`
+}
+
 type DeleteServerRequest struct {
 	Id int64 `json:"id"`
 }
@@ -934,6 +950,31 @@ type GetPreSendEmailCountResponse struct {
 	Count int64 `json:"count"`
 }
 
+type GetRedemptionCodeListRequest struct {
+	Page          int64  `form:"page" validate:"required"`
+	Size          int64  `form:"size" validate:"required"`
+	SubscribePlan int64  `form:"subscribe_plan,omitempty"`
+	UnitTime      string `form:"unit_time,omitempty"`
+	Code          string `form:"code,omitempty"`
+}
+
+type GetRedemptionCodeListResponse struct {
+	Total int64            `json:"total"`
+	List  []RedemptionCode `json:"list"`
+}
+
+type GetRedemptionRecordListRequest struct {
+	Page   int64 `form:"page" validate:"required"`
+	Size   int64 `form:"size" validate:"required"`
+	UserId int64 `form:"user_id,omitempty"`
+	CodeId int64 `form:"code_id,omitempty"`
+}
+
+type GetRedemptionRecordListResponse struct {
+	Total int64              `json:"total"`
+	List  []RedemptionRecord `json:"list"`
+}
+
 type GetServerConfigRequest struct {
 	ServerCommon
 }
@@ -1779,6 +1820,37 @@ type RechargeOrderResponse struct {
 	OrderNo string `json:"order_no"`
 }
 
+type RedeemCodeRequest struct {
+	Code string `json:"code" validate:"required"`
+}
+
+type RedeemCodeResponse struct {
+	Message string `json:"message"`
+}
+
+type RedemptionCode struct {
+	Id            int64  `json:"id"`
+	Code          string `json:"code"`
+	TotalCount    int64  `json:"total_count"`
+	UsedCount     int64  `json:"used_count"`
+	SubscribePlan int64  `json:"subscribe_plan"`
+	UnitTime      string `json:"unit_time"`
+	Quantity      int64  `json:"quantity"`
+	CreatedAt     int64  `json:"created_at"`
+	UpdatedAt     int64  `json:"updated_at"`
+}
+
+type RedemptionRecord struct {
+	Id               int64  `json:"id"`
+	RedemptionCodeId int64  `json:"redemption_code_id"`
+	UserId           int64  `json:"user_id"`
+	SubscribeId      int64  `json:"subscribe_id"`
+	UnitTime         string `json:"unit_time"`
+	Quantity         int64  `json:"quantity"`
+	RedeemedAt       int64  `json:"redeemed_at"`
+	CreatedAt        int64  `json:"created_at"`
+}
+
 type RegisterConfig struct {
 	StopRegister            bool   `json:"stop_register"`
 	EnableTrial             bool   `json:"enable_trial"`
@@ -2416,6 +2488,14 @@ type UpdatePaymentMethodRequest struct {
 	Enable      *bool       `json:"enable" validate:"required"`
 }
 
+type UpdateRedemptionCodeRequest struct {
+	Id            int64  `json:"id" validate:"required"`
+	TotalCount    int64  `json:"total_count,omitempty"`
+	SubscribePlan int64  `json:"subscribe_plan,omitempty"`
+	UnitTime      string `json:"unit_time,omitempty" validate:"omitempty,oneof=day month quarter half_year year"`
+	Quantity      int64  `json:"quantity,omitempty"`
+}
+
 type UpdateServerRequest struct {
 	Id        int64      `json:"id"`
 	Name      string     `json:"name"`

ppanel.api

@@ -19,6 +19,7 @@ import (
 	"apis/admin/subscribe.api"
 	"apis/admin/payment.api"
 	"apis/admin/coupon.api"
+	"apis/admin/redemption.api"
 	"apis/admin/order.api"
 	"apis/admin/ticket.api"
 	"apis/admin/announcement.api"
@@ -31,6 +32,7 @@ import (
 	"apis/admin/application.api"
 	"apis/public/user.api"
 	"apis/public/subscribe.api"
+	"apis/public/redemption.api"
 	"apis/public/order.api"
 	"apis/public/announcement.api"
 	"apis/public/ticket.api"