618 lines
16 KiB
Go
618 lines
16 KiB
Go
package paymentconfig
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import (
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"encoding/json"
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"errors"
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"hfb_sys/backend/internal/auditlog"
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"hfb_sys/backend/internal/model"
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"time"
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"gorm.io/gorm"
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"gorm.io/gorm/clause"
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)
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type Repository struct {
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db *gorm.DB
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encryptor Encryptor
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}
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type AuditMeta = auditlog.Meta
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func NewRepository(db *gorm.DB, encryptor Encryptor) *Repository {
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return &Repository{
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db: db,
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encryptor: encryptor,
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}
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}
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// List 获取配置列表
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func (r *Repository) List(query ListQuery) ([]ConfigDTO, int64, error) {
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var items []model.PaymentMerchantConfig
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var total int64
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db := r.db.Model(&model.PaymentMerchantConfig{})
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// 过滤条件
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if query.Provider != "" {
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db = db.Where("provider = ?", query.Provider)
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}
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if query.Status != "" {
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db = db.Where("status = ?", query.Status)
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}
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if query.Environment != "" {
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db = db.Where("environment = ?", query.Environment)
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}
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// 获取总数
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if err := db.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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// 分页
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page := query.Page
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if page < 1 {
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page = 1
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}
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pageSize := query.PageSize
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if pageSize < 1 {
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pageSize = 20
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}
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if pageSize > 100 {
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pageSize = 100
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}
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offset := (page - 1) * pageSize
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if err := db.Order("is_default DESC, id DESC").Offset(offset).Limit(pageSize).Find(&items).Error; err != nil {
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return nil, 0, err
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}
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dtos := make([]ConfigDTO, 0, len(items))
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for _, item := range items {
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dto, err := r.toDTO(item, false)
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if err != nil {
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return nil, 0, err
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}
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dtos = append(dtos, dto)
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}
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return dtos, total, nil
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}
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// FindByID 根据 ID 查询配置
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func (r *Repository) FindByID(id uint64, includeSecret bool) (*ConfigDTO, error) {
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var item model.PaymentMerchantConfig
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if err := r.db.Where("id = ?", id).First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrConfigNotFound
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}
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return nil, err
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}
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dto, err := r.toDTO(item, includeSecret)
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// FindDefault 查询默认配置
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func (r *Repository) FindDefault(provider string) (*model.PaymentMerchantConfig, error) {
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var item model.PaymentMerchantConfig
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if err := r.db.Where("provider = ? AND is_default = ? AND status = ?", provider, true, "active").First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrNoActiveConfigFound
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}
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return nil, err
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}
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return &item, nil
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}
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// FindDefaultAny 查询任意服务商的默认启用配置。
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func (r *Repository) FindDefaultAny(includeSecret bool) (*ConfigDTO, error) {
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var item model.PaymentMerchantConfig
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if err := r.db.Where("status = ?", "active").Order("is_default DESC, id DESC").First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrNoActiveConfigFound
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}
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return nil, err
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}
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dto, err := r.toDTO(item, includeSecret)
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// FindDefaultByProvider 查询指定服务商的默认启用配置。
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func (r *Repository) FindDefaultByProvider(provider string, includeSecret bool) (*ConfigDTO, error) {
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item, err := r.FindDefault(provider)
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if err != nil {
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return nil, err
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}
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dto, err := r.toDTO(*item, includeSecret)
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// FindByProviderMerchant 根据服务商和商户号查配置，用于历史支付单继续使用原商户密钥。
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func (r *Repository) FindByProviderMerchant(provider string, merchantID string, includeSecret bool) (*ConfigDTO, error) {
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var item model.PaymentMerchantConfig
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if err := r.db.Where("provider = ? AND merchant_id = ?", provider, merchantID).
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Order("status = 'active' DESC, is_default DESC, id DESC").
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First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return nil, ErrConfigNotFound
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}
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return nil, err
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}
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dto, err := r.toDTO(item, includeSecret)
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// FindActiveByProvider 查询提供商的所有激活配置
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func (r *Repository) FindActiveByProvider(provider string) ([]model.PaymentMerchantConfig, error) {
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var items []model.PaymentMerchantConfig
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if err := r.db.Where("provider = ? AND status = ?", provider, "active").Order("is_default DESC, id DESC").Find(&items).Error; err != nil {
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return nil, err
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}
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return items, nil
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}
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// Create 创建配置
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func (r *Repository) Create(req CreateRequest, actorID uint64, meta AuditMeta) (*ConfigDTO, error) {
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// 验证必填字段
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if err := r.validateCreateRequest(req); err != nil {
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return nil, err
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}
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var dto ConfigDTO
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err := r.db.Transaction(func(tx *gorm.DB) error {
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// 加密密钥
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encryptedSignKey, err := r.encryptor.Encrypt(req.SignKey)
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if err != nil {
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return ErrEncryptionFailed
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}
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encryptedNotifyKey, err := r.encryptor.Encrypt(req.NotifyKey)
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if err != nil {
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return ErrEncryptionFailed
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}
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status := req.Status
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if status == "" {
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status = "active"
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}
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environment := req.Environment
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if environment == "" {
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environment = "production"
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}
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isDefault := req.IsDefault
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if status == "active" {
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if err := deactivateOtherConfigs(tx, 0, actorID); err != nil {
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return err
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}
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isDefault = true
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} else {
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isDefault = false
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}
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item := model.PaymentMerchantConfig{
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Name: req.Name,
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Provider: req.Provider,
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MerchantID: req.MerchantID,
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GatewayURL: req.GatewayURL,
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SignKey: encryptedSignKey,
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NotifyKey: encryptedNotifyKey,
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NotifyURL: req.NotifyURL,
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JumpURL: req.JumpURL,
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PayWay: firstNonEmpty(req.PayWay, "ZFBZF"),
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JSPayFlag: firstNonEmpty(req.JSPayFlag, "2"),
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SignType: firstNonEmpty(req.SignType, defaultSignType(req.Provider)),
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ExtraConfig: req.ExtraConfig,
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IsDefault: isDefault,
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Status: status,
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Environment: environment,
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BusinessTags: req.BusinessTags,
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CreatedBy: &actorID,
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UpdatedBy: &actorID,
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}
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if err := tx.Create(&item).Error; err != nil {
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return err
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}
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// 记录审计日志
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if err := appendAuditLog(tx, actorID, "payment_config.create", item.ID, meta, map[string]any{
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"name": item.Name,
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"provider": item.Provider,
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}); err != nil {
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return err
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}
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dto, err = r.toDTO(item, false)
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return err
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})
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// Update 更新配置
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func (r *Repository) Update(id uint64, req UpdateRequest, actorID uint64, meta AuditMeta) (*ConfigDTO, error) {
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if req.SignType != nil && *req.SignType != "" && !isValidSignType(*req.SignType) {
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return nil, ErrInvalidSignType
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}
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if req.Status != nil && !isValidStatus(*req.Status) {
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return nil, ErrInvalidStatus
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}
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if req.NotifyURL != nil && *req.NotifyURL == "" {
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return nil, ErrNotifyURLRequired
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}
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var dto ConfigDTO
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err := r.db.Transaction(func(tx *gorm.DB) error {
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var item model.PaymentMerchantConfig
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if err := tx.Clauses(clause.Locking{Strength: "UPDATE"}).Where("id = ?", id).First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return ErrConfigNotFound
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}
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return err
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}
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updates := make(map[string]any)
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if req.Name != nil {
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updates["name"] = *req.Name
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}
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if req.MerchantID != nil {
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updates["merchant_id"] = *req.MerchantID
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}
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if req.GatewayURL != nil {
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updates["gateway_url"] = *req.GatewayURL
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}
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if req.SignKey != nil {
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encrypted, err := r.encryptor.Encrypt(*req.SignKey)
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if err != nil {
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return ErrEncryptionFailed
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}
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updates["sign_key"] = encrypted
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}
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if req.NotifyKey != nil {
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encrypted, err := r.encryptor.Encrypt(*req.NotifyKey)
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if err != nil {
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return ErrEncryptionFailed
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}
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updates["notify_key"] = encrypted
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}
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if req.NotifyURL != nil {
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updates["notify_url"] = *req.NotifyURL
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}
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if req.JumpURL != nil {
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updates["jump_url"] = *req.JumpURL
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}
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if req.PayWay != nil {
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updates["pay_way"] = *req.PayWay
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}
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if req.JSPayFlag != nil {
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updates["jspay_flag"] = *req.JSPayFlag
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}
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if req.SignType != nil {
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updates["sign_type"] = *req.SignType
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}
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if req.ExtraConfig != nil {
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updates["extra_config"] = model.JSONMap(req.ExtraConfig)
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}
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if req.IsDefault != nil {
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updates["is_default"] = *req.IsDefault
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}
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if req.Status != nil {
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updates["status"] = *req.Status
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}
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if req.Environment != nil {
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updates["environment"] = *req.Environment
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}
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if req.BusinessTags != nil {
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updates["business_tags"] = model.JSONArray(req.BusinessTags)
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}
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updates["updated_by"] = actorID
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finalStatus := item.Status
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if req.Status != nil {
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finalStatus = *req.Status
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}
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if finalStatus == "active" {
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if err := deactivateOtherConfigs(tx, id, actorID); err != nil {
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return err
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}
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updates["status"] = "active"
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updates["is_default"] = true
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} else {
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updates["is_default"] = false
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}
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if err := tx.Model(&item).Updates(updates).Error; err != nil {
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return err
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}
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// 记录审计日志
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if err := appendAuditLog(tx, actorID, "payment_config.update", item.ID, meta, map[string]any{
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"updates": updates,
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}); err != nil {
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return err
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}
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// 重新查询
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if err := tx.Where("id = ?", id).First(&item).Error; err != nil {
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return err
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}
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var dtoErr error
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dto, dtoErr = r.toDTO(item, false)
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return dtoErr
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})
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if err != nil {
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return nil, err
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}
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return &dto, nil
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}
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// Delete 删除配置
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func (r *Repository) Delete(id uint64, actorID uint64, meta AuditMeta) error {
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return r.db.Transaction(func(tx *gorm.DB) error {
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var item model.PaymentMerchantConfig
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if err := tx.Where("id = ?", id).First(&item).Error; err != nil {
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if errors.Is(err, gorm.ErrRecordNotFound) {
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return ErrConfigNotFound
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}
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return err
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}
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var usedCount int64
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if err := tx.Model(&model.PaymentOrder{}).
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Where("provider = ? AND merchant_id = ?", item.Provider, item.MerchantID).
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Count(&usedCount).Error; err != nil {
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return err
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}
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if usedCount > 0 {
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return ErrCannotDeleteInUse
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}
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if err := tx.Delete(&item).Error; err != nil {
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return err
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}
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// 记录审计日志
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return appendAuditLog(tx, actorID, "payment_config.delete", item.ID, meta, map[string]any{
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"name": item.Name,
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"provider": item.Provider,
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})
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})
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}
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// IncrementUsage 增加使用统计
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func (r *Repository) IncrementUsage(id uint64, amountCent int64) error {
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now := time.Now()
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return r.db.Model(&model.PaymentMerchantConfig{}).Where("id = ?", id).Updates(map[string]any{
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"total_transactions": gorm.Expr("total_transactions + ?", 1),
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"total_amount_cent": gorm.Expr("total_amount_cent + ?", amountCent),
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"last_used_at": now,
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}).Error
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}
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// RecordUsage 记录支付配置命中情况，同一个支付单只记录一次。
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func (r *Repository) RecordUsage(configID uint64, paymentOrderID uint64, provider string, merchantID string, amountCent int64, bizType string) error {
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if configID == 0 || paymentOrderID == 0 {
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return nil
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}
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return r.db.Transaction(func(tx *gorm.DB) error {
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var existing model.PaymentConfigUsageLog
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err := tx.Where("payment_order_id = ?", paymentOrderID).First(&existing).Error
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if err == nil {
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return nil
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}
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if !errors.Is(err, gorm.ErrRecordNotFound) {
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return err
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}
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log := model.PaymentConfigUsageLog{
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ConfigID: configID,
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PaymentOrderID: paymentOrderID,
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Provider: provider,
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MerchantID: merchantID,
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AmountCent: amountCent,
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BizType: bizType,
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}
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if err := tx.Create(&log).Error; err != nil {
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return err
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}
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now := time.Now()
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return tx.Model(&model.PaymentMerchantConfig{}).Where("id = ?", configID).Updates(map[string]any{
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"total_transactions": gorm.Expr("total_transactions + ?", 1),
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"total_amount_cent": gorm.Expr("total_amount_cent + ?", amountCent),
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"last_used_at": now,
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}).Error
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})
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}
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// deactivateOtherConfigs 保证全局同一时间只有一个启用配置。
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func deactivateOtherConfigs(tx *gorm.DB, activeID uint64, actorID uint64) error {
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db := tx.Model(&model.PaymentMerchantConfig{}).
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Where("status = ? OR is_default = ?", "active", true)
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if activeID > 0 {
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db = db.Where("id != ?", activeID)
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}
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return db.Updates(map[string]any{
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"status": "disabled",
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"is_default": false,
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"updated_by": actorID,
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}).Error
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}
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// toDTO 转换为 DTO
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func (r *Repository) toDTO(item model.PaymentMerchantConfig, includeSecret bool) (ConfigDTO, error) {
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dto := ConfigDTO{
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ID: item.ID,
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Name: item.Name,
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Provider: item.Provider,
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MerchantID: item.MerchantID,
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GatewayURL: item.GatewayURL,
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NotifyURL: item.NotifyURL,
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JumpURL: item.JumpURL,
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PayWay: item.PayWay,
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JSPayFlag: item.JSPayFlag,
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SignType: item.SignType,
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ExtraConfig: item.ExtraConfig,
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IsDefault: item.IsDefault,
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Status: item.Status,
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Environment: item.Environment,
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BusinessTags: item.BusinessTags,
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TotalTransactions: item.TotalTransactions,
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TotalAmountCent: item.TotalAmountCent,
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CreatedBy: item.CreatedBy,
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UpdatedBy: item.UpdatedBy,
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CreatedAt: item.CreatedAt.Format(time.RFC3339),
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UpdatedAt: item.UpdatedAt.Format(time.RFC3339),
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}
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if item.LastUsedAt != nil {
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s := item.LastUsedAt.Format(time.RFC3339)
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dto.LastUsedAt = &s
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}
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// 只有明确要求时才解密并返回密钥
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if includeSecret {
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signKey, err := r.encryptor.Decrypt(item.SignKey)
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if err != nil {
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return ConfigDTO{}, ErrDecryptionFailed
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}
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notifyKey, err := r.encryptor.Decrypt(item.NotifyKey)
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if err != nil {
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return ConfigDTO{}, ErrDecryptionFailed
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}
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dto.SignKey = signKey
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dto.NotifyKey = notifyKey
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}
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return dto, nil
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}
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// validateCreateRequest 验证创建请求
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func (r *Repository) validateCreateRequest(req CreateRequest) error {
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if req.Name == "" {
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return ErrNameRequired
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}
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if req.Provider == "" {
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return ErrInvalidProvider
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}
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if req.MerchantID == "" {
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return ErrMerchantIDRequired
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}
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if req.SignType != "" && !isValidSignType(req.SignType) {
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return ErrInvalidSignType
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}
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if req.Status != "" && !isValidStatus(req.Status) {
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return ErrInvalidStatus
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}
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// leshua 特定验证
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if req.Provider == "leshua" {
|
|
if req.GatewayURL == "" {
|
|
return ErrGatewayURLRequired
|
|
}
|
|
if req.SignKey == "" {
|
|
return ErrSignKeyRequired
|
|
}
|
|
if req.NotifyKey == "" {
|
|
return ErrNotifyKeyRequired
|
|
}
|
|
if req.NotifyURL == "" {
|
|
return ErrNotifyURLRequired
|
|
}
|
|
}
|
|
if req.Provider == "lakala" {
|
|
if req.GatewayURL == "" {
|
|
return ErrGatewayURLRequired
|
|
}
|
|
if req.SignKey == "" {
|
|
return ErrSignKeyRequired
|
|
}
|
|
if req.NotifyKey == "" {
|
|
return ErrNotifyKeyRequired
|
|
}
|
|
if req.NotifyURL == "" {
|
|
return ErrNotifyURLRequired
|
|
}
|
|
if extraString(req.ExtraConfig, "app_id") == "" {
|
|
return ErrAppIDRequired
|
|
}
|
|
if extraString(req.ExtraConfig, "serial_no") == "" {
|
|
return ErrSerialNoRequired
|
|
}
|
|
if extraString(req.ExtraConfig, "term_no") == "" {
|
|
return ErrTermNoRequired
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func firstNonEmpty(vals ...string) string {
|
|
for _, v := range vals {
|
|
if v != "" {
|
|
return v
|
|
}
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func defaultSignType(provider string) string {
|
|
if provider == "lakala" {
|
|
return "SHA256withRSA"
|
|
}
|
|
return "MD5"
|
|
}
|
|
|
|
func isValidSignType(value string) bool {
|
|
return value == "MD5" || value == "SHA256withRSA"
|
|
}
|
|
|
|
func isValidStatus(value string) bool {
|
|
return value == "active" || value == "disabled" || value == "testing"
|
|
}
|
|
|
|
func extraString(config map[string]any, key string) string {
|
|
if config == nil {
|
|
return ""
|
|
}
|
|
value, ok := config[key]
|
|
if !ok || value == nil {
|
|
return ""
|
|
}
|
|
if s, ok := value.(string); ok {
|
|
return s
|
|
}
|
|
return ""
|
|
}
|
|
|
|
func appendAuditLog(tx *gorm.DB, actorID uint64, action string, bizID uint64, meta AuditMeta, detail map[string]any) error {
|
|
detailJSON, err := json.Marshal(detail)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
log := model.AuditLog{
|
|
ActorType: "admin",
|
|
ActorID: actorID,
|
|
Action: action,
|
|
BizType: "payment_config",
|
|
BizID: &bizID,
|
|
IP: meta.IP,
|
|
UserAgent: meta.UserAgent,
|
|
Detail: detailJSON,
|
|
}
|
|
return tx.Create(&log).Error
|
|
}
|