fix Authorization

app/main/api/internal/handler/authorization/downloadauthorizationdocumentbynamehandler.go

@@ -0,0 +1,67 @@
+package authorization
+
+import (
+	"errors"
+	"fmt"
+	"net/http"
+	"net/url"
+	"os"
+	"strconv"
+
+	"tydata-server/app/main/api/internal/logic/authorization"
+	"tydata-server/app/main/api/internal/svc"
+	"tydata-server/app/main/api/internal/types"
+	"tydata-server/app/main/model"
+	"tydata-server/common/result"
+	"tydata-server/common/xerr"
+	"tydata-server/pkg/lzkit/validator"
+
+	"github.com/zeromicro/go-zero/core/logx"
+	"github.com/zeromicro/go-zero/rest/httpx"
+)
+
+func DownloadAuthorizationDocumentByNameHandler(svcCtx *svc.ServiceContext) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		var req types.DownloadAuthorizationDocumentByNameReq
+		if err := httpx.Parse(r, &req); err != nil {
+			result.ParamErrorResult(r, w, err)
+			return
+		}
+		if err := validator.Validate(req); err != nil {
+			result.ParamValidateErrorResult(r, w, err)
+			return
+		}
+		l := authorization.NewDownloadAuthorizationDocumentByNameLogic(r.Context(), svcCtx)
+		resp, err := l.DownloadAuthorizationDocumentByName(&req)
+		if err != nil {
+			if errors.Is(err, model.ErrNotFound) {
+				httpx.WriteJson(w, http.StatusNotFound, result.Error(xerr.CUSTOM_ERROR, "授权书不存在"))
+				return
+			}
+			result.HttpResult(r, w, nil, err)
+			return
+		}
+
+		file, openErr := os.Open(resp.FilePath)
+		if openErr != nil {
+			logx.Errorf("打开授权书文件失败: fileName=%s, filePath=%s, error=%v", req.FileName, resp.FilePath, openErr)
+			result.HttpResult(r, w, nil, errors.New("授权书文件不存在"))
+			return
+		}
+		defer file.Close()
+
+		fileInfo, statErr := file.Stat()
+		if statErr != nil {
+			logx.Errorf("读取授权书文件信息失败: fileName=%s, filePath=%s, error=%v", req.FileName, resp.FilePath, statErr)
+			result.HttpResult(r, w, nil, errors.New("授权书文件不可用"))
+			return
+		}
+
+		escapedName := url.PathEscape(resp.FileName)
+		w.Header().Set("Content-Type", "application/pdf")
+		w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"; filename*=UTF-8''%s", escapedName, escapedName))
+		w.Header().Set("Content-Length", strconv.FormatInt(fileInfo.Size(), 10))
+
+		http.ServeContent(w, r, resp.FileName, fileInfo.ModTime(), file)
+	}
+}

app/main/api/internal/handler/authorization/downloadauthorizationdocumenthandler.go

@@ -1,14 +1,22 @@
 package authorization
 
 import (
+	"errors"
+	"fmt"
 	"net/http"
+	"net/url"
+	"os"
+	"strconv"
 
 	"tydata-server/app/main/api/internal/logic/authorization"
 	"tydata-server/app/main/api/internal/svc"
 	"tydata-server/app/main/api/internal/types"
+	"tydata-server/app/main/model"
 	"tydata-server/common/result"
+	"tydata-server/common/xerr"
 	"tydata-server/pkg/lzkit/validator"
 
+	"github.com/zeromicro/go-zero/core/logx"
 	"github.com/zeromicro/go-zero/rest/httpx"
 )
 
@@ -25,6 +33,35 @@ func DownloadAuthorizationDocumentHandler(svcCtx *svc.ServiceContext) http.Handl
 		}
 		l := authorization.NewDownloadAuthorizationDocumentLogic(r.Context(), svcCtx)
 		resp, err := l.DownloadAuthorizationDocument(&req)
-		result.HttpResult(r, w, resp, err)
+		if err != nil {
+			if errors.Is(err, model.ErrNotFound) {
+				httpx.WriteJson(w, http.StatusNotFound, result.Error(xerr.CUSTOM_ERROR, "授权书不存在"))
+				return
+			}
+			result.HttpResult(r, w, nil, err)
+			return
+		}
+
+		file, openErr := os.Open(resp.FilePath)
+		if openErr != nil {
+			logx.Errorf("打开授权书文件失败: filePath=%s, error=%v", resp.FilePath, openErr)
+			result.HttpResult(r, w, nil, errors.New("授权书文件不存在"))
+			return
+		}
+		defer file.Close()
+
+		fileInfo, statErr := file.Stat()
+		if statErr != nil {
+			logx.Errorf("读取授权书文件信息失败: filePath=%s, error=%v", resp.FilePath, statErr)
+			result.HttpResult(r, w, nil, errors.New("授权书文件不可用"))
+			return
+		}
+
+		escapedName := url.PathEscape(resp.FileName)
+		w.Header().Set("Content-Type", "application/pdf")
+		w.Header().Set("Content-Disposition", fmt.Sprintf("attachment; filename=\"%s\"; filename*=UTF-8''%s", escapedName, escapedName))
+		w.Header().Set("Content-Length", strconv.FormatInt(fileInfo.Size(), 10))
+
+		http.ServeContent(w, r, resp.FileName, fileInfo.ModTime(), file)
 	}
 }

app/main/api/internal/handler/routes.go

@@ -841,6 +841,11 @@ func RegisterHandlers(server *rest.Server, serverCtx *svc.ServiceContext) {
 				Path:    "/authorization/download/:documentId",
 				Handler: authorization.DownloadAuthorizationDocumentHandler(serverCtx),
 			},
+			{
+				Method:  http.MethodGet,
+				Path:    "/authorization/download/file/:fileName",
+				Handler: authorization.DownloadAuthorizationDocumentByNameHandler(serverCtx),
+			},
 		},
 		rest.WithPrefix("/api/v1"),
 	)