Add validation for record node directories before starting recording

Author: anjaldoshi

Source/Processors/ProcessorGraph/ProcessorGraph.cpp

@@ -1106,6 +1106,22 @@ bool ProcessorGraph::allRecordNodesAreSynchronized()
     return true;
 }
 
+bool ProcessorGraph::allRecordNodeDirectoriesAreValid()
+{
+    Array<GenericProcessor*> processors = getListOfProcessors();
+
+    for (auto p : processors)
+    {
+        if (p->isRecordNode())
+        {
+            auto* pathParam = p->getParameter ("directory");
+            if (pathParam != nullptr && ! pathParam->isValid())
+                return false;
+        }
+    }
+    return true;
+}
+
 bool ProcessorGraph::hasRecordNode()
 {
     Array<GenericProcessor*> processors = getListOfProcessors();

Source/Processors/ProcessorGraph/ProcessorGraph.h

@@ -205,6 +205,9 @@ class TESTABLE ProcessorGraph : public AudioProcessorGraph, public ChangeListene
     /** Returns true if all record nodes are synchronized */
     bool allRecordNodesAreSynchronized();
 
+    /** Returns true if all record nodes have valid recording directories */
+    bool allRecordNodeDirectoriesAreValid();
+
     /** Saves processor graph to XML */
     void saveToXml (XmlElement* xml);
 

Source/UI/ControlPanel.cpp

@@ -1171,6 +1171,24 @@ void ControlPanel::buttonClicked (Button* button)
             }
             else
             {
+                if (! graph->allRecordNodeDirectoriesAreValid() && getAcquisitionState())
+                {
+                    recordButton->setToggleState (false, dontSendNotification);
+                    playButton->setToggleState (false, dontSendNotification);
+                    stopAcquisition();
+
+                    if (! isConsoleApp)
+                    {
+                        getLookAndFeel().playAlertSound();
+                        AlertWindow::showMessageBox (AlertWindow::WarningIcon,
+                                                     "Recording Error",
+                                                     "One or more Record Nodes have an invalid recording path set. "
+                                                     "Please ensure all Record Nodes are configured with a valid recording path before starting the recording.");
+                    }
+                    CoreServices::sendStatusMessage ("One or more Record Nodes have invalid recording path");
+                    return;
+                }
+
                 if (! graph->allRecordNodesAreSynchronized() && ! forceRecording)
                 {
                     recordButton->setToggleState (false, dontSendNotification);