adds button to manually trigger destination on form submission

module-flow/src/main/java/net/savantly/nexus/flow/dom/formSubmission/FormSubmission_triggerDestination.java

@@ -0,0 +1,65 @@
+package net.savantly.nexus.flow.dom.formSubmission;
+
+import java.util.List;
+
+import org.apache.causeway.applib.annotation.Action;
+import org.apache.causeway.applib.annotation.ActionLayout;
+import org.apache.causeway.applib.annotation.MemberSupport;
+import org.apache.causeway.applib.annotation.PriorityPrecedence;
+import org.apache.causeway.applib.annotation.PromptStyle;
+import org.apache.causeway.applib.annotation.Publishing;
+import org.apache.causeway.applib.annotation.SemanticsOf;
+import org.apache.causeway.applib.services.message.MessageService;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+import jakarta.inject.Inject;
+import lombok.extern.log4j.Log4j2;
+import net.savantly.nexus.flow.dom.destination.Destination;
+import net.savantly.nexus.flow.dom.destination.DestinationHookFactory;
+import net.savantly.nexus.flow.dom.form.FormSubmissionProxy;
+
+@Log4j2
+@jakarta.annotation.Priority(PriorityPrecedence.EARLY)
+@Action(semantics = SemanticsOf.NON_IDEMPOTENT, commandPublishing = Publishing.ENABLED, executionPublishing = Publishing.ENABLED)
+@ActionLayout(promptStyle = PromptStyle.DIALOG, associateWith = "payload")
+@lombok.RequiredArgsConstructor(onConstructor_ = { @Inject })
+public class FormSubmission_triggerDestination {
+
+    final FormSubmission object;
+
+    public static class ActionEvent
+            extends
+            org.apache.causeway.applib.CausewayModuleApplib.ActionDomainEvent<FormSubmission_triggerDestination> {
+    }
+
+    @Inject
+    MessageService messageService;
+    @Inject
+    DestinationHookFactory destinationHookFactory;
+    @Inject
+    ObjectMapper objectMapper;
+    @Inject
+    FormSubmissionProxy formSubmissionProxy;
+
+    @MemberSupport
+    public FormSubmission act(
+            final Destination destination) {
+
+        try {
+            formSubmissionProxy.triggerDestinationForSubmission(object, destination.getId());
+            messageService.informUser("Hook executed successfully: " + destination.getName());
+
+        } catch (Exception e) {
+            messageService.raiseError("Failed to execute destination hook: " + e.getMessage());
+        }
+
+        return object;
+    }
+
+    @MemberSupport
+    public List<Destination> choices0Act() {
+        return object.getForm().getDestinations().stream().toList();
+    }
+
+}