Enhance WOPI file info handler to include user-friendly name and ensure last modified time is set correctly

go_cloud/internal/http/wopi_handlers.go

@@ -247,6 +247,14 @@ func wopiCheckFileInfoHandler(w http.ResponseWriter, r *http.Request, db *databa
 
 	fmt.Printf("[WOPI-CheckFileInfo] START: file=%s user=%s size=%d path=%s\n", fileID, userID.String(), file.Size, file.Path)
 
+	// Get user info for UserFriendlyName
+	user, err := db.GetUserByID(r.Context(), userID)
+	if err != nil {
+		fmt.Printf("[WOPI-REQUEST] Failed to get user info: user=%s error=%v\n", userID.String(), err)
+		errors.WriteError(w, errors.CodeInternal, "Failed to get user info", http.StatusInternalServerError)
+		return
+	}
+
 	// Verify user has access to this file
 	canAccess := false
 	var ownerID string
@@ -269,6 +277,15 @@ func wopiCheckFileInfoHandler(w http.ResponseWriter, r *http.Request, db *databa
 		return
 	}
 
+	// Ensure LastModifiedTime is not zero
+	lastModifiedTime := file.LastModified
+	if lastModifiedTime.IsZero() {
+		lastModifiedTime = file.CreatedAt
+	}
+	if lastModifiedTime.IsZero() {
+		lastModifiedTime = time.Now()
+	}
+
 	// Build response
 	response := models.WOPICheckFileInfoResponse{
 		BaseFileName:                   file.Name,
@@ -276,7 +293,7 @@ func wopiCheckFileInfoHandler(w http.ResponseWriter, r *http.Request, db *databa
 		Version:                        file.ID.String(),
 		OwnerId:                        ownerID,
 		UserId:                         userID.String(),
-		UserFriendlyName:               "", // Could be populated from user info
+		UserFriendlyName:               user.DisplayName,
 		UserCanWrite:                   true,
 		UserCanRename:                  false,
 		UserCanNotWriteRelative:        false,
@@ -294,7 +311,7 @@ func wopiCheckFileInfoHandler(w http.ResponseWriter, r *http.Request, db *databa
 		SupportsRenameRelativeToFolder: false,
 		SupportsFolders:                false,
 		SupportsScenarios:              []string{"default"},
-		LastModifiedTime:               file.LastModified.UTC().Format(time.RFC3339),
+		LastModifiedTime:               lastModifiedTime.UTC().Format(time.RFC3339),
 		IsAnonymousUser:                false,
 		TimeZone:                       "UTC",
 	}