verify that submap exists

CHANGELOG

@@ -6,6 +6,8 @@ minerva (14.0.13) stable; urgency=medium
   * Bug fix: creating comment with too long name/email resulted in Internal
     Server Error - now the proper error message is returned (#1245)
   * Bug fix: user cannot put too long name in a comment dialog (#1245)
+  * Bug fix: when url contained invalid submap id unhandled error was raised
+    (#1243)
 
  -- Piotr Gawron <piotr.gawron@uni.lu>  Wed, 3 Jun 2020 17:00:00 +0200
 

frontend-js/src/main/js/minerva.js

@@ -54,13 +54,17 @@ function processUrlGetParams(params) {
   }
 
   var model = project.getModelById(modelId);
+  if (model !== null) {
 
-  if (GuiConnector.getParams["x"] !== undefined && GuiConnector.getParams["y"] !== undefined) {
-    var point = new Point(GuiConnector.getParams["x"], GuiConnector.getParams["y"]);
-    sessionData.setCenter(model, point);
-  }
-  if (GuiConnector.getParams["zoom"] !== undefined) {
-    sessionData.setZoomLevel(model, GuiConnector.getParams["zoom"]);
+    if (GuiConnector.getParams["x"] !== undefined && GuiConnector.getParams["y"] !== undefined) {
+      var point = new Point(GuiConnector.getParams["x"], GuiConnector.getParams["y"]);
+      sessionData.setCenter(model, point);
+    }
+    if (GuiConnector.getParams["zoom"] !== undefined) {
+      sessionData.setZoomLevel(model, GuiConnector.getParams["zoom"]);
+    }
+  } else {
+    logger.warn("Model with given ID does not exist: " + modelId);
   }
 
   if (GuiConnector.getParams["background"] !== undefined) {
@@ -580,7 +584,7 @@ function create(params) {
   }).then(function () {
 
     var submapId = GuiConnector.getParams["submap"];
-    if (submapId !== undefined) {
+    if (submapId !== undefined && customMap.getSubmapById(submapId) !== null) {
       return customMap.openSubmap(submapId);
     }
   }).then(function () {