live-service/app/user_center/model/user_gift_pack_model.go

package model

import (
	"context"
	"git.noahlan.cn/northlan/ntools-go/gorm-zero/gormx"
	"gorm.io/gorm"
)

var _ UserGiftPackModel = (*customUserGiftPackModel)(nil)

type (
	// UserGiftPackModel is an interface to be customized, add more methods here,
	// and implement the added methods in customUserGiftPackModel.
	UserGiftPackModel interface {
		userGiftPackModel
		// FindOneByUserPack 获取用户领取的礼包
		FindOneByUserPack(ctx context.Context, tx *gorm.DB, userId int64, packType string) (*UserGiftPack, error)
		// AddDrawCount 新增领取次数
		AddDrawCount(ctx context.Context, tx *gorm.DB, userId int64, packType string) error
	}

	PackContent struct {
		Integral int64    `json:"integral"`       // 奖励积分数量
		Title    []string `json:"title,optional"` // 称号列表
	}

	customUserGiftPackModel struct {
		*defaultUserGiftPackModel
	}
)

// NewUserGiftPackModel returns a model for the database table.
func NewUserGiftPackModel(conn *gorm.DB) UserGiftPackModel {
	return &customUserGiftPackModel{
		defaultUserGiftPackModel: newUserGiftPackModel(conn),
	}
}

func (m *customUserGiftPackModel) FindOneByUserPack(ctx context.Context, tx *gorm.DB, userId int64, packType string) (*UserGiftPack, error) {
	var resp UserGiftPack
	err := withTx(ctx, m.conn, tx).Model(&UserGiftPack{}).
		Where("user_id = ? AND pack_type = ?", userId, packType).Take(&resp).Error
	switch err {
	case nil:
		return &resp, nil
	case gormx.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}