// Package method 业务逻辑方法包，实现反馈相关的业务操作
package method

import (
	"context"
	"errors"

	"git.apinb.com/bsm-apps/feedback/internal/impl"
	"git.apinb.com/bsm-apps/feedback/internal/models"
	pb "git.apinb.com/bsm-apps/feedback/pb"
	"git.apinb.com/bsm-sdk/engine/exception"
	"gorm.io/gorm"
)

// Get 根据ID获取反馈记录详情
// ctx: 上下文
// in: 查询请求参数，包含记录ID
// 返回: 反馈记录详情
func Get(ctx context.Context, in *pb.GetRequest) (reply *pb.GetReply, err error) {
	// 验证请求参数
	if in.GetIdentity() == "" {
		return nil, exception.ErrInvalidArgument
	}

	out := new(pb.GetReply)
	record := new(models.FeedbackItem)

	// 查询记录，预加载关联的图片信息
	err = impl.DBService.Preload("Images").Where("identity = ?", in.GetIdentity()).First(record).Error
	if err != nil {
		if errors.Is(err, gorm.ErrRecordNotFound) {
			return nil, exception.ErrNotFound
		}
		return nil, err
	}

	// 转换为响应格式
	item := convert(*record)
	out.Record = item
	out.Exists = true
	return out, nil
}