// Copyright (c) 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

/**
*@describe:
*@author wfl19/Kristas
*@date 2021/10/30
 */

package tk

import (
	"fmt"
	"gitee.com/kristas/booting-go/framework/core/statement/types"
	"gorm.io/gorm"
)

type SelectMapper struct {
	types.Repository
	table string
	db    *gorm.DB
}

func NewSelectMapper(table string, db *gorm.DB) *SelectMapper {
	return &SelectMapper{
		table: table,
		db:    db,
	}
}

func (s *SelectMapper) SelectByExample(example Example, value interface{}) error {
	var sql = fmt.Sprintf("%s * %s `%s` ", KeywordSelect, KeywordFrom, s.table)
	explain, values := example.explain()
	sql += explain
	return s.db.Raw(sql, values...).First(value).Error
}