fix nil pointer error

handlers/workspace.go

@@ -153,9 +153,12 @@ func (aH *AccessHandler) DeleteWorkspace(c *gin.Context) {
 			c.JSON(http.StatusInternalServerError, nil)
 			return
 		}
+
 		for _, u := range users {
-			if u.Settings.Workspace == workspace.Name {
+			if u.Workspaces == nil {
-				u.Settings.Workspace = ""
+				continue
+			} else if u.Settings.Workspace.Name == workspace.Name {
+				u.Settings.Workspace = nil
 			}
 
 			u.Workspaces = slices.DeleteFunc(u.Workspaces, func(w *models.Workspace) bool {
@@ -163,13 +166,14 @@ func (aH *AccessHandler) DeleteWorkspace(c *gin.Context) {
 			})
 		}
 
-		// crearemove folder
+		// remove folder
 		err = os.RemoveAll(workspace.Uuid.String())
 		if err != nil {
 			aH.logger.Error("DeleteWorkspace", err)
 			c.JSON(http.StatusBadRequest, models.NewJsonErrorResponse(err))
 			return
 		}
+
 	}
 
 	c.JSON(http.StatusOK, gin.H{
@@ -188,12 +192,19 @@ func (aH *AccessHandler) ReadWorkspaceData(c *gin.Context) {
 		return
 	}
 
+	if workspace.Uuid == uuid.Nil {
+		aH.logger.Error("ReadWorkspaceData", "uuid nil")
+		c.JSON(http.StatusBadRequest, nil)
+		return
+	}
+
 	files, err := os.ReadDir(workspace.Uuid.String())
 	if err != nil {
 		aH.logger.Error("ReadWorkspaceData", err)
 		c.JSON(http.StatusBadRequest, nil)
 		return
 	}
+
 	var response []string
 	for _, f := range files {
 		if f.IsDir() || !strings.Contains(filepath.Ext(f.Name()), ".db") {

models/settings.go

@@ -15,7 +15,7 @@ type Settings struct {
 	AppName            string     `json:"appName,omitempty"`
 	DatabaseName       string     `json:"databaseName,omitempty"`
 	DatabaseToken      string     `json:"databaseToken,omitempty"`
-	Workspace          string `json:"workspace,omitempty"`
+	Workspace          *Workspace `json:"workspace,omitempty"`
 }
 
 func (s *Settings) DefaultQuasarSettings() {