feat: 接入商务用户资料和全局统计偏好

internal/biz/business/preference.go

@@ -0,0 +1,61 @@
+package business
+
+import (
+	"context"
+
+	"github.com/go-kratos/kratos/v3/errors"
+	"kra/internal/biz/system"
+)
+
+var (
+	ErrUnauthenticated    = errors.Unauthorized("SW_UNAUTHENTICATED", "请先登录")
+	ErrPreferenceRequired = errors.BadRequest("SW_PREFERENCE_REQUIRED", "偏好参数不能为空")
+	ErrStorage            = errors.InternalServer("SW_STORAGE_ERROR", "商务数据访问失败")
+)
+
+// UserPreference 使用新用户 ID，保留旧商务两个全局开关的含义。
+type UserPreference struct {
+	IncludeSubPromote bool
+	IDCardDedup       bool
+}
+
+type UserPreferenceRepo interface {
+	Find(context.Context, uint) (*UserPreference, error)
+	Save(context.Context, uint, UserPreference) error
+}
+
+type UserPreferenceUsecase struct{ repo UserPreferenceRepo }
+
+func NewUserPreferenceUsecase(repo UserPreferenceRepo) *UserPreferenceUsecase {
+	return &UserPreferenceUsecase{repo: repo}
+}
+
+func (uc *UserPreferenceUsecase) Current(ctx context.Context) (*UserPreference, error) {
+	actor, ok := system.ActorFromContext(ctx)
+	if !ok || actor.UserID == 0 {
+		return nil, ErrUnauthenticated
+	}
+	return uc.ForUser(ctx, actor.UserID)
+}
+
+func (uc *UserPreferenceUsecase) ForUser(ctx context.Context, id uint) (*UserPreference, error) {
+	if id == 0 {
+		return nil, ErrUnauthenticated
+	}
+	pref, err := uc.repo.Find(ctx, id)
+	if err != nil {
+		return nil, err
+	}
+	if pref == nil {
+		return &UserPreference{IncludeSubPromote: true, IDCardDedup: true}, nil
+	}
+	return pref, nil
+}
+
+func (uc *UserPreferenceUsecase) UpdateCurrent(ctx context.Context, pref UserPreference) error {
+	actor, ok := system.ActorFromContext(ctx)
+	if !ok || actor.UserID == 0 {
+		return ErrUnauthenticated
+	}
+	return uc.repo.Save(ctx, actor.UserID, pref)
+}