52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			52 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| package authorization
 | |
| 
 | |
| import (
 | |
| 	"context"
 | |
| 	"errors"
 | |
| 
 | |
| 	"hm-server/app/main/api/internal/svc"
 | |
| 	"hm-server/app/main/api/internal/types"
 | |
| 
 | |
| 	"github.com/zeromicro/go-zero/core/logx"
 | |
| )
 | |
| 
 | |
| type DownloadAuthorizationDocumentLogic struct {
 | |
| 	logx.Logger
 | |
| 	ctx    context.Context
 | |
| 	svcCtx *svc.ServiceContext
 | |
| }
 | |
| 
 | |
| func NewDownloadAuthorizationDocumentLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DownloadAuthorizationDocumentLogic {
 | |
| 	return &DownloadAuthorizationDocumentLogic{
 | |
| 		Logger: logx.WithContext(ctx),
 | |
| 		ctx:    ctx,
 | |
| 		svcCtx: svcCtx,
 | |
| 	}
 | |
| }
 | |
| 
 | |
| func (l *DownloadAuthorizationDocumentLogic) DownloadAuthorizationDocument(req *types.DownloadAuthorizationDocumentReq) (resp *types.DownloadAuthorizationDocumentResp, err error) {
 | |
| 	// 1. 从数据库获取授权书信息
 | |
| 	authDoc, err := l.svcCtx.AuthorizationDocumentModel.FindOne(l.ctx, req.DocumentId)
 | |
| 	if err != nil {
 | |
| 		logx.Errorf("获取授权书失败: documentId=%d, error=%v", req.DocumentId, err)
 | |
| 		return nil, err
 | |
| 	}
 | |
| 
 | |
| 	// 2. 检查授权书状态
 | |
| 	if authDoc.Status != "active" {
 | |
| 		logx.Errorf("授权书状态异常: documentId=%d, status=%s", req.DocumentId, authDoc.Status)
 | |
| 		return nil, errors.New("授权书不可用")
 | |
| 	}
 | |
| 
 | |
| 	// 3. 构建完整文件URL
 | |
| 	fullFileURL := l.svcCtx.AuthorizationService.GetFullFileURL(authDoc.FileUrl)
 | |
| 
 | |
| 	// 4. 构建响应
 | |
| 	resp = &types.DownloadAuthorizationDocumentResp{
 | |
| 		FileName: authDoc.FileName,
 | |
| 		FileUrl:  fullFileURL,
 | |
| 	}
 | |
| 
 | |
| 	return resp, nil
 | |
| }
 |