huang
2248558bd3
Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode) Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>
229 lines
7.1 KiB
Go
229 lines
7.1 KiB
Go
package purchase_validation
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import (
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"context"
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"github.com/break/junhong_cmp_fiber/internal/model"
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"github.com/break/junhong_cmp_fiber/internal/store/postgres"
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"github.com/break/junhong_cmp_fiber/pkg/constants"
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"github.com/break/junhong_cmp_fiber/pkg/errors"
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"gorm.io/gorm"
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)
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type Service struct {
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db *gorm.DB
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iotCardStore *postgres.IotCardStore
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deviceStore *postgres.DeviceStore
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packageStore *postgres.PackageStore
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packageAllocationStore *postgres.ShopPackageAllocationStore
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}
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func New(
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db *gorm.DB,
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iotCardStore *postgres.IotCardStore,
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deviceStore *postgres.DeviceStore,
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packageStore *postgres.PackageStore,
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packageAllocationStore *postgres.ShopPackageAllocationStore,
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) *Service {
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return &Service{
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db: db,
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iotCardStore: iotCardStore,
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deviceStore: deviceStore,
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packageStore: packageStore,
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packageAllocationStore: packageAllocationStore,
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}
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}
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type PurchaseValidationResult struct {
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Card *model.IotCard
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Device *model.Device
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Packages []*model.Package
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TotalPrice int64
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}
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func (s *Service) ValidateCardPurchase(ctx context.Context, cardID uint, packageIDs []uint) (*PurchaseValidationResult, error) {
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card, err := s.iotCardStore.GetByID(ctx, cardID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, errors.New(errors.CodeIotCardNotFound, "IoT卡不存在")
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}
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return nil, err
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}
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if card.SeriesID == nil || *card.SeriesID == 0 {
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return nil, errors.New(errors.CodeInvalidParam, "该卡未关联套餐系列，无法购买套餐")
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}
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// 确定卖家店铺ID：卡所属店铺即为卖家（代理渠道），平台自营时为0
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var sellerShopID uint
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if card.ShopID != nil {
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sellerShopID = *card.ShopID
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}
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packages, totalPrice, err := s.validatePackages(ctx, packageIDs, *card.SeriesID, sellerShopID)
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if err != nil {
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return nil, err
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}
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return &PurchaseValidationResult{
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Card: card,
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Packages: packages,
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TotalPrice: totalPrice,
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}, nil
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}
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func (s *Service) ValidateDevicePurchase(ctx context.Context, deviceID uint, packageIDs []uint) (*PurchaseValidationResult, error) {
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device, err := s.deviceStore.GetByID(ctx, deviceID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, errors.New(errors.CodeNotFound, "设备不存在")
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}
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return nil, err
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}
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if device.SeriesID == nil || *device.SeriesID == 0 {
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return nil, errors.New(errors.CodeInvalidParam, "该设备未关联套餐系列，无法购买套餐")
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}
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// 确定卖家店铺ID：设备所属店铺即为卖家（代理渠道），平台自营时为0
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var sellerShopID uint
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if device.ShopID != nil {
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sellerShopID = *device.ShopID
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}
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packages, totalPrice, err := s.validatePackages(ctx, packageIDs, *device.SeriesID, sellerShopID)
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if err != nil {
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return nil, err
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}
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return &PurchaseValidationResult{
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Device: device,
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Packages: packages,
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TotalPrice: totalPrice,
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}, nil
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}
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// validatePackages 验证套餐列表是否可购买
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// sellerShopID > 0 表示代理渠道，校验该代理的 allocation.shelf_status；
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// sellerShopID == 0 表示平台自营渠道，校验 package.shelf_status
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func (s *Service) validatePackages(ctx context.Context, packageIDs []uint, seriesID uint, sellerShopID uint) ([]*model.Package, int64, error) {
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if len(packageIDs) == 0 {
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return nil, 0, errors.New(errors.CodeInvalidParam, "请选择至少一个套餐")
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}
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var packages []*model.Package
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var totalPrice int64
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for _, pkgID := range packageIDs {
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pkg, err := s.packageStore.GetByID(ctx, pkgID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, 0, errors.New(errors.CodeInvalidParam, "套餐不存在")
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}
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return nil, 0, err
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}
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if pkg.SeriesID != seriesID {
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return nil, 0, errors.New(errors.CodeInvalidParam, "套餐不在可购买范围内")
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}
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// Package.status 为全局开关，任何渠道都必须检查
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if pkg.Status != constants.StatusEnabled {
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return nil, 0, errors.New(errors.CodeInvalidParam, "套餐已禁用")
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}
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if sellerShopID > 0 {
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// 代理渠道：检查卖家代理的 allocation.shelf_status，不检查 package.shelf_status
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if err := s.validateAgentShelfStatus(ctx, sellerShopID, pkgID); err != nil {
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return nil, 0, err
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}
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} else {
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// 平台自营渠道：检查 package.shelf_status
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if pkg.ShelfStatus != constants.ShelfStatusOn {
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return nil, 0, errors.New(errors.CodeInvalidParam, "套餐已下架")
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}
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}
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packages = append(packages, pkg)
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totalPrice += pkg.SuggestedRetailPrice
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}
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return packages, totalPrice, nil
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}
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// validateAgentShelfStatus 校验卖家代理的分配记录上架状态
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func (s *Service) validateAgentShelfStatus(ctx context.Context, sellerShopID, packageID uint) error {
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// 使用不带数据权限过滤的查询，避免 buyer ctx 的权限限制干扰系统级校验
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allocation, err := s.packageAllocationStore.GetByShopAndPackageForSystem(ctx, sellerShopID, packageID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return errors.New(errors.CodeInvalidParam, "套餐已下架")
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}
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return errors.Wrap(errors.CodeInternalError, err, "查询套餐分配记录失败")
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}
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if allocation.ShelfStatus != constants.ShelfStatusOn {
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return errors.New(errors.CodeInvalidParam, "套餐已下架")
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}
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return nil
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}
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func (s *Service) GetPurchasePrice(ctx context.Context, pkg *model.Package, buyerType string) int64 {
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return pkg.SuggestedRetailPrice
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}
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// ValidateAdminOfflineCardPurchase 后台 offline 订单专用卡验证
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// 绕过代理 Allocation 上架检查，仅验证套餐全局状态
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func (s *Service) ValidateAdminOfflineCardPurchase(ctx context.Context, cardID uint, packageIDs []uint) (*PurchaseValidationResult, error) {
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card, err := s.iotCardStore.GetByID(ctx, cardID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, errors.New(errors.CodeIotCardNotFound, "IoT卡不存在")
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}
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return nil, err
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}
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if card.SeriesID == nil || *card.SeriesID == 0 {
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return nil, errors.New(errors.CodeInvalidParam, "该卡未关联套餐系列，无法购买套餐")
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}
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packages, totalPrice, err := s.validatePackages(ctx, packageIDs, *card.SeriesID, 0)
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if err != nil {
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return nil, err
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}
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return &PurchaseValidationResult{
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Card: card,
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Packages: packages,
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TotalPrice: totalPrice,
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}, nil
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}
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// ValidateAdminOfflineDevicePurchase 后台 offline 订单专用设备验证
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// 绕过代理 Allocation 上架检查，仅验证套餐全局状态
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func (s *Service) ValidateAdminOfflineDevicePurchase(ctx context.Context, deviceID uint, packageIDs []uint) (*PurchaseValidationResult, error) {
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device, err := s.deviceStore.GetByID(ctx, deviceID)
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if err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, errors.New(errors.CodeNotFound, "设备不存在")
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}
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return nil, err
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}
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if device.SeriesID == nil || *device.SeriesID == 0 {
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return nil, errors.New(errors.CodeInvalidParam, "该设备未关联套餐系列，无法购买套餐")
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}
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packages, totalPrice, err := s.validatePackages(ctx, packageIDs, *device.SeriesID, 0)
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if err != nil {
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return nil, err
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}
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return &PurchaseValidationResult{
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Device: device,
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Packages: packages,
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TotalPrice: totalPrice,
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}, nil
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}
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