feat: 添加租户创建功能，支持设置管理员及有效期，新增订单统计接口

backend/app/services/order.go

@@ -11,6 +11,7 @@ import (
 	"time"
 
 	"quyun/v2/app/errorx"
+	superdto "quyun/v2/app/http/super/dto"
 	"quyun/v2/app/http/tenant/dto"
 	jobs_args "quyun/v2/app/jobs/args"
 	"quyun/v2/app/requests"
@@ -233,6 +234,38 @@ type order struct {
 	job    *provider_job.Job
 }
 
+// SuperStatistics 平台侧订单统计（不限定 tenant_id）。
+func (s *order) SuperStatistics(ctx context.Context) (*superdto.OrderStatisticsResponse, error) {
+	tbl, query := models.OrderQuery.QueryContext(ctx)
+
+	var rows []*superdto.OrderStatisticsRow
+	err := query.Select(
+		tbl.Status,
+		tbl.ID.Count().As("count"),
+		tbl.AmountPaid.Sum().As("amount_paid_sum"),
+	).Group(tbl.Status).Scan(&rows)
+	if err != nil {
+		return nil, err
+	}
+
+	var totalCount int64
+	var totalAmountPaidSum int64
+	for _, row := range rows {
+		if row == nil {
+			continue
+		}
+		row.StatusDescription = row.Status.Description()
+		totalCount += row.Count
+		totalAmountPaidSum += row.AmountPaidSum
+	}
+
+	return &superdto.OrderStatisticsResponse{
+		TotalCount:         totalCount,
+		TotalAmountPaidSum: totalAmountPaidSum,
+		ByStatus:           rows,
+	}, nil
+}
+
 type ProcessRefundingOrderParams struct {
 	// TenantID 租户ID。
 	TenantID int64

backend/app/services/tenant.go

@@ -25,6 +25,69 @@ import (
 // @provider
 type tenant struct{}
 
+// SuperCreateTenant 超级管理员创建租户，并将指定用户设为租户管理员。
+func (t *tenant) SuperCreateTenant(ctx context.Context, form *dto.TenantCreateForm) (*models.Tenant, error) {
+	if form == nil {
+		return nil, errors.New("form is nil")
+	}
+
+	code := strings.ToLower(strings.TrimSpace(form.Code))
+	if code == "" {
+		return nil, errors.New("code is empty")
+	}
+	name := strings.TrimSpace(form.Name)
+	if name == "" {
+		return nil, errors.New("name is empty")
+	}
+	if form.AdminUserID <= 0 {
+		return nil, errors.New("admin_user_id must be > 0")
+	}
+	duration, err := (&dto.TenantExpireUpdateForm{Duration: form.Duration}).ParseDuration()
+	if err != nil {
+		return nil, err
+	}
+
+	// 确保管理员用户存在（同时可提前暴露“用户不存在”的错误，而不是等到外键/逻辑报错）。
+	if _, err := User.FindByID(ctx, form.AdminUserID); err != nil {
+		return nil, err
+	}
+
+	now := time.Now().UTC()
+	tenant := &models.Tenant{
+		UserID:    form.AdminUserID,
+		Code:      code,
+		UUID:      types.NewUUIDv4(),
+		Name:      name,
+		Status:    consts.TenantStatusVerified,
+		Config:    types.JSON([]byte(`{}`)),
+		ExpiredAt: now.Add(duration),
+	}
+
+	db := _db.WithContext(ctx)
+	err = db.Transaction(func(tx *gorm.DB) error {
+		if err := tx.Create(tenant).Error; err != nil {
+			return err
+		}
+
+		tenantUser := &models.TenantUser{
+			TenantID: tenant.ID,
+			UserID:   form.AdminUserID,
+			Role:     types.NewArray([]consts.TenantUserRole{consts.TenantUserRoleTenantAdmin}),
+			Status:   consts.UserStatusVerified,
+		}
+		if err := tx.Create(tenantUser).Error; err != nil {
+			return err
+		}
+
+		return tx.First(tenant, tenant.ID).Error
+	})
+	if err != nil {
+		return nil, err
+	}
+
+	return tenant, nil
+}
+
 // AdminTenantUsersPage 租户管理员分页查询成员列表（包含用户基础信息）。
 func (t *tenant) AdminTenantUsersPage(ctx context.Context, tenantID int64, filter *tenantdto.AdminTenantUserListFilter) (*requests.Pager, error) {
 	if tenantID <= 0 {