Save layer changes on successful repair

when there are topology errors which are fixed subsequently, make sure that the layer can be saved again

Author: m-kuhn

src/app/qgsgeometryvalidationservice.cpp

@@ -145,7 +145,7 @@ void QgsGeometryValidationService::onFeatureDeleted( QgsVectorLayer *layer, QgsF
 
 void QgsGeometryValidationService::onBeforeCommitChanges( QgsVectorLayer *layer )
 {
-  if ( !mLayerChecks[layer].topologyChecks.empty() ) // TODO && topologyChecks not fulfilled
+  if ( !mBypassChecks && !mLayerChecks[layer].topologyChecks.empty() )
   {
     if ( !layer->allowCommit() )
     {
@@ -461,7 +461,9 @@ void QgsGeometryValidationService::triggerTopologyChecks( QgsVectorLayer *layer
     }
     if ( allErrors.empty() && mLayerChecks[layer].singleFeatureCheckErrors.empty() && mLayerChecks[layer].commitPending )
     {
+      mBypassChecks = true;
       layer->commitChanges();
+      mBypassChecks = false;
       mMessageBar->popWidget( mMessageBarItem );
       mMessageBarItem = nullptr;
     }

src/app/qgsgeometryvalidationservice.h

@@ -122,6 +122,10 @@ class QgsGeometryValidationService : public QObject
     QgsMessageBar *mMessageBar = nullptr;
     QgsMessageBarItem *mMessageBarItem = nullptr;
 
+    // when checks do complete successfully and changes need to be saved
+    // this variable is used to indicate that it's safe to bypass the checks
+    bool mBypassChecks = false;
+
 };
 
 #endif // QGSGEOMETRYVALIDATIONSERVICE_H