Fix bug form replied and if condition

workflow-bot-app/build.gradle

@@ -12,11 +12,15 @@ javadoc {
 dependencies {
     implementation project(':workflow-language')
 
-    implementation platform('org.finos.symphony.bdk:symphony-bdk-bom:2.9.0')
+    implementation platform('org.finos.symphony.bdk:symphony-bdk-bom:2.9.0') {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
     implementation platform('com.fasterxml.jackson:jackson-bom:2.13.4')
     implementation platform('org.springframework.boot:spring-boot-dependencies:2.6.6')
 
-    implementation 'org.apache.httpcomponents.client5:httpclient5-fluent:5.1.3'
+    implementation ('org.apache.httpcomponents.client5:httpclient5-fluent:5.1.3') {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
 
     implementation 'org.finos.symphony.bdk:symphony-bdk-core-spring-boot-starter'
     implementation 'org.finos.symphony.bdk.ext:symphony-group-extension'
@@ -28,8 +32,8 @@ dependencies {
     runtimeOnly 'io.micrometer:micrometer-registry-prometheus'
     runtimeOnly 'com.h2database:h2'
 
-    implementation 'org.slf4j:slf4j-api'
-    runtimeOnly 'ch.qos.logback:logback-classic'
+    implementation 'org.slf4j:slf4j-api:1.7.36'
+    implementation 'ch.qos.logback:logback-classic:1.2.11'
 
     implementation 'org.aspectj:aspectjrt:1.9.9.1'
     implementation 'org.aspectj:aspectjweaver:1.9.9.1'
@@ -63,10 +67,14 @@ dependencies {
     testImplementation 'org.junit.jupiter:junit-jupiter-params'
     testImplementation 'org.assertj:assertj-core'
     testImplementation 'org.awaitility:awaitility'
-    testImplementation 'com.github.tomakehurst:wiremock-jre8:2.34.0'
+    testImplementation ('com.github.tomakehurst:wiremock-jre8:2.34.0') {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
     testImplementation 'io.rest-assured:rest-assured:4.5.1'
     testImplementation 'org.hamcrest:hamcrest-all:1.3'
-    testImplementation("org.camunda.community.mockito:camunda-platform-7-mockito:6.17.1")
+    testImplementation("org.camunda.community.mockito:camunda-platform-7-mockito:6.17.1") {
+        exclude group: 'org.slf4j', module: 'slf4j-api'
+    }
 }
 
 bootBuildImage {

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/WorkflowDirectGraphBuilder.java

@@ -116,6 +116,11 @@ private void computeEvents(int activityIndex, String activityId, List<Activity>
         Optional<String> signalName = eventMapper.toSignalName(event, workflow);
         if (signalName.isPresent()) {
           eventNodeId = signalName.get();
+
+          if (activity.getActivity() != null && StringUtils.isNotBlank(activity.getActivity().getIfCondition())) {
+            directGraph.readWorkflowNode(activityId)
+                .addIfCondition(eventNodeId, activity.getActivity().getIfCondition());
+          }
           computeActivity(activityIndex, activities, eventNodeId, event, onEvents, directGraph);
           computeSignal(directGraph, event, eventNodeId, activityIndex, activities);
         } else if (event.getActivityExpired() != null) {
@@ -213,7 +218,8 @@ private void computeActivity(int activityIndex, List<Activity> activities, Strin
     if (activityIndex == 0) {
       validateFirstActivity(activities.get(0).getActivity(), event, workflow.getId());
       directGraph.addStartEvent(nodeId);
-    } else {
+    } else if (!directGraph.getParents(activities.get(activityIndex - 1).getActivity().getId())
+        .contains(nodeId)) { // the current event node is not a parent of previous activity
       boolean isParallel = onEvents.isParallel();
       String allOfEventParentId = onEvents.getParentId();
       String parentId = isParallel && StringUtils.isNotEmpty(allOfEventParentId) ? allOfEventParentId

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/camunda/WorkflowEventToCamundaEvent.java

@@ -156,9 +156,7 @@ public Optional<String> toSignalName(Event event, Workflow workflow) {
   }
 
   @SuppressWarnings("unchecked")
-  public <T> void dispatch(RealTimeEvent<T> event)
-      throws PresentationMLParserException {
-
+  public <T> void dispatch(RealTimeEvent<T> event) throws PresentationMLParserException {
     Map<String, Object> processVariables = new HashMap<>();
     processVariables.put(ActivityExecutorContext.EVENT,
         new EventHolder<>(event.getInitiator(), event.getSource(), new HashMap<>()));
@@ -283,6 +281,7 @@ private void messageSentToMessage(RealTimeEvent<V4MessageSent> event,
     // Event's message cannot be null, this if statement is only added to fix Sonar warnings
     if (event.getSource().getMessage() != null) {
       log.debug("receive message [{}]", event.getSource().getMessage().getMessageId());
+      log.trace("receive message [{}]", event.getSource().getMessage().getMessage());
       String presentationMl = event.getSource().getMessage().getMessage();
       String receivedContent = PresentationMLParser.getTextContent(presentationMl);
 

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/camunda/bpmn/BpmnBuilderHelper.java

@@ -3,13 +3,15 @@
 import com.symphony.bdk.workflow.engine.WorkflowDirectGraph;
 import com.symphony.bdk.workflow.engine.WorkflowNodeType;
 
+import lombok.experimental.UtilityClass;
 import org.camunda.bpm.model.bpmn.builder.AbstractFlowNodeBuilder;
 import org.camunda.bpm.model.bpmn.builder.AbstractGatewayBuilder;
 import org.camunda.bpm.model.bpmn.builder.SubProcessBuilder;
 
 /**
  * Helper class on checks or common actions
  */
+@UtilityClass
 public class BpmnBuilderHelper {
 
   public static AbstractFlowNodeBuilder<?, ?> endEventSubProcess(BuildProcessContext context,

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/camunda/bpmn/CamundaBpmnBuilder.java

@@ -145,7 +145,7 @@ private void computeChildren(WorkflowNode currentNode, AbstractFlowNodeBuilder<?
       BuildProcessContext context) throws JsonProcessingException {
     String currentNodeId = currentNode.getId();
     NodeChildren currentNodeChildren = context.readChildren(currentNodeId);
-    if (currentNodeChildren != null) {
+    if (currentNodeChildren != null && !currentNodeChildren.isEmpty()) {
       if (currentNodeChildren.getGateway() == WorkflowDirectGraph.Gateway.PARALLEL) {
         builder = builder.parallelGateway(currentNodeId + FORK_GATEWAY);
       } else {
@@ -168,9 +168,17 @@ private void computeChildren(WorkflowNode currentNode, AbstractFlowNodeBuilder<?
 
   private AbstractFlowNodeBuilder<?, ?> exclusiveSubTreeNodes(String currentNodeId, WorkflowNodeType currentNodeType,
       AbstractFlowNodeBuilder<?, ?> builder, BuildProcessContext context, NodeChildren currentNodeChildren) {
-    if (currentNodeType == WorkflowNodeType.FORM_REPLIED_EVENT || hasFormRepliedEvent(context,
-        currentNodeChildren)) {
-      log.trace("the node [{}] itself or one of its children is a form replied event", currentNodeId);
+    if (currentNodeType == WorkflowNodeType.FORM_REPLIED_EVENT) {
+      log.trace("the node [{}] itself is a form replied event", currentNodeId);
+      boolean activities = hasActivitiesOnly(context, currentNodeChildren);
+      boolean conditional = hasConditionalString(context, currentNodeChildren, currentNodeId);
+      log.trace("are the children of the node [{}]'s all activities ? [{}], is there any condition in children ? [{}]",
+          currentNodeId, activities, conditional);
+      builder = addGateway(currentNodeId, builder, activities, conditional, currentNodeChildren.getChildren().size());
+      return builder;
+    }
+    if (hasFormRepliedEvent(context, currentNodeChildren)) {
+      log.trace("one of [{}] children is a form replied event", currentNodeId);
       return builder;
     }
     // in case of conditional loop, add a default end event
@@ -191,28 +199,42 @@ private void computeChildren(WorkflowNode currentNode, AbstractFlowNodeBuilder<?
     boolean conditional = hasConditionalString(context, currentNodeChildren, currentNodeId);
     log.trace("are the children of the node [{}]'s all activities ? [{}], is there any condition in children ? [{}]",
         currentNodeId, activities, conditional);
-    builder = addGateway(currentNodeId, builder, activities, conditional);
+    builder = addGateway(currentNodeId, builder, activities, conditional, currentNodeChildren.getChildren().size());
     return builder;
   }
 
   private AbstractFlowNodeBuilder<?, ?> addGateway(String currentNodeId, AbstractFlowNodeBuilder<?, ?> builder,
-      boolean activities, boolean conditional) {
+      boolean activities, boolean conditional, int childrenSize) {
     // determine the gateway type
     if (activities && conditional) {
       log.trace("an exclusive gateway is added follow the node [{}]", currentNodeId);
-      builder = builder.exclusiveGateway(currentNodeId + EXCLUSIVE_GATEWAY_SUFFIX);
-    } else if (!activities) {
+      builder = builder.exclusiveGateway((currentNodeId.replace("/", "") + EXCLUSIVE_GATEWAY_SUFFIX));
+    } else if (!activities && (conditional || childrenSize > 1)) {
       log.trace("an event gateway is added follow the node [{}]", currentNodeId);
       builder = builder.eventBasedGateway().id(currentNodeId + EVENT_GATEWAY_SUFFIX);
     }
     return builder;
   }
 
+  @SuppressWarnings("checkstyle:JavadocTagContinuationIndentation")
   private void leafNode(String currentNodeId, AbstractFlowNodeBuilder<?, ?> camundaBuilder,
       BuildProcessContext context) {
-    camundaBuilder = camundaBuilder.endEvent();
-    context.addNodeBuilder(currentNodeId, camundaBuilder);
-    context.addLastNodeBuilder(camundaBuilder);
+    // if builder is an instance of sub process builder, the node should be already ended {@see SignalNodeBuilder#31},
+    // skip the ending
+    /*
+     * on:
+     *   one-of:
+     *     - form-replied:
+     *         form-id: init
+     *         exclusive: true
+     *     - message-received:
+     *         content: hey
+     */
+    if (!(camundaBuilder instanceof SubProcessBuilder)) {
+      camundaBuilder = camundaBuilder.endEvent();
+      context.addNodeBuilder(currentNodeId, camundaBuilder);
+      context.addLastNodeBuilder(camundaBuilder);
+    }
   }
 
   private boolean hasFormRepliedEvent(BuildProcessContext context, NodeChildren currentNodeChildren) {

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/camunda/bpmn/builder/AbstractNodeBpmnBuilder.java

@@ -4,13 +4,14 @@
 import static com.symphony.bdk.workflow.engine.camunda.bpmn.CamundaBpmnBuilder.EXCLUSIVE_GATEWAY_SUFFIX;
 
 import com.symphony.bdk.workflow.engine.WorkflowNode;
-import com.symphony.bdk.workflow.engine.camunda.bpmn.BpmnBuilderHelper;
 import com.symphony.bdk.workflow.engine.camunda.bpmn.BuildProcessContext;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import org.camunda.bpm.model.bpmn.builder.AbstractFlowNodeBuilder;
 import org.camunda.bpm.model.bpmn.builder.AbstractGatewayBuilder;
-import org.camunda.bpm.model.bpmn.builder.SubProcessBuilder;
+
+import java.util.List;
+import java.util.stream.Collectors;
 
 public abstract class AbstractNodeBpmnBuilder implements WorkflowNodeBpmnBuilder {
 
@@ -34,6 +35,11 @@ public abstract class AbstractNodeBpmnBuilder implements WorkflowNodeBpmnBuilder
       // then connect the activity
       if (context.hasEventSubProcess() && context.getParents(element.getId()).size() > 1) {
         builder = endEventSubProcess(context, builder);
+        // since the sub process is ended here, and the child node is going to be connected by this ended sub process,
+        // therefore, all other branches remove their same child and are going to be ended inside the sub process.
+        List<String> parents =
+            context.getParents(element.getId()).stream().filter(k -> !k.equals(parentId)).collect(Collectors.toList());
+        parents.forEach(parent -> context.getChildren(parent).removeChild(element.getId()));
       }
       return build(element, parentId, builder, context);
     }
@@ -58,22 +64,9 @@ public abstract class AbstractNodeBpmnBuilder implements WorkflowNodeBpmnBuilder
   }
 
   protected void connectToExistingNode(String nodeId, AbstractFlowNodeBuilder<?, ?> builder) {
-    // if builder is an instance of sub process builder, the node should be already connected, skip the connection
-    /*
-     * on:
-     *   one-of:
-     *     - form-replied:
-     *         form-id: init
-     *         exclusive: true
-     *     - message-received:
-     *         content: hey
-     */
-    if (!(builder instanceof SubProcessBuilder)) {
-      builder.connectTo(nodeId);
-    }
+    builder.connectTo(nodeId);
   }
 
   protected abstract AbstractFlowNodeBuilder<?, ?> build(WorkflowNode element, String parentId,
       AbstractFlowNodeBuilder<?, ?> builder, BuildProcessContext context) throws JsonProcessingException;
-
 }

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/camunda/bpmn/builder/SignalNodeBuilder.java

@@ -33,7 +33,7 @@ public class SignalNodeBuilder extends AbstractNodeBpmnBuilder {
       builder = ((AbstractCatchEventBuilder<?, ?>) builder).camundaAsyncBefore()
           .signal(element.getId())
           .name(element.getId());
-    } else if (builder instanceof AbstractGatewayBuilder) {
+    } else {
       builder = builder.intermediateCatchEvent().camundaAsyncBefore().signal(element.getId()).name(element.getId());
     }
     return builder;

workflow-bot-app/src/main/java/com/symphony/bdk/workflow/engine/executor/message/SendMessageExecutor.java

@@ -45,11 +45,12 @@ public class SendMessageExecutor extends OboExecutor<SendMessage, V4Message>
 
   @Override
   public void execute(ActivityExecutorContext<SendMessage> execution) throws IOException {
+    log.debug("Sending message...");
     SendMessage activity = execution.getActivity();
     List<String> streamIds = resolveStreamId(execution, activity, execution.bdk().streams());
     log.debug("Sending message to rooms {}", streamIds);
-
     Message messageToSend = this.buildMessage(execution);
+    log.trace("message content \n {}", messageToSend.getContent());
 
     V4Message message;
     if (streamIds.isEmpty()) {

workflow-bot-app/src/test/java/com/symphony/bdk/workflow/FormReplyIntegrationTest.java

@@ -9,6 +9,7 @@
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.atLeast;
+import static org.mockito.Mockito.clearInvocations;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -22,6 +23,9 @@
 import org.apache.commons.lang3.StringEscapeUtils;
 import org.junit.jupiter.api.Test;
 import org.mockito.ArgumentCaptor;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.CsvSource;
+import org.junit.jupiter.params.provider.ValueSource;
 
 import java.util.Collections;
 import java.util.concurrent.TimeUnit;
@@ -306,8 +310,7 @@ void sendFormOutputsArePreserved() throws Exception {
       return true;
     });
 
-    assertThat(workflow)
-        .executed("init", "check");
+    assertThat(workflow).executed("init", "check");
   }
 
   @Test
@@ -353,4 +356,80 @@ void sendMessageUpdateMessage() throws Exception {
       assertThat(workflow).executed("init", "message-received_/hey", "update");
     });
   }
+
+  @Test
+  void formRepliedSendMessageOnConditionIf() throws Exception {
+    Workflow workflow =
+        SwadlParser.fromYaml(getClass().getResourceAsStream("/form/send-form-reply-conditional.swadl.yaml"));
+
+    when(messageService.send(anyString(), any(Message.class))).thenReturn(message("msgId"));
+
+    engine.deploy(workflow);
+
+    // trigger workflow execution
+    engine.onEvent(messageReceived("/test"));
+    verify(messageService, timeout(5000)).send(anyString(), contains("form"));
+    clearInvocations(messageService);
+
+    await().atMost(5, TimeUnit.SECONDS).ignoreExceptions().until(() -> {
+      engine.onEvent(form("msgId", "testForm", Collections.singletonMap("action", "create")));
+      return true;
+    });
+    verify(messageService, timeout(5000)).send(anyString(), contains("Create"));
+
+    Thread.sleep(1000);
+    assertThat(workflow).executed(workflow, "testForm", "resCreate");
+  }
+
+  @Test
+  void formRepliedSendMessageOnConditionElse() throws Exception {
+    Workflow workflow =
+        SwadlParser.fromYaml(getClass().getResourceAsStream("/form/send-form-reply-conditional.swadl.yaml"));
+
+    when(messageService.send(anyString(), any(Message.class))).thenReturn(message("msgId"));
+
+    engine.deploy(workflow);
+
+    // trigger workflow execution
+    engine.onEvent(messageReceived("/test"));
+    verify(messageService, timeout(5000)).send(anyString(), contains("form"));
+    clearInvocations(messageService);
+
+    await().atMost(5, TimeUnit.SECONDS).ignoreExceptions().until(() -> {
+      engine.onEvent(form("msgId", "testForm", Collections.singletonMap("action", "menu")));
+      return true;
+    });
+    verify(messageService, timeout(5000)).send(anyString(), contains("Menu"));
+    clearInvocations(messageService);
+
+    sleepToTimeout(1000);
+    engine.onEvent(messageReceived("/continue"));
+    verify(messageService, timeout(5000)).send(anyString(), contains("DONE"));
+
+    assertThat(workflow).executed(workflow, "testForm", "resMenu", "finish");
+  }
+
+  @ParameterizedTest
+  @CsvSource(value = {"GOOG,response0", "GOOGLE,response1"})
+  void formReplied_fork_condition_join_activity(String tickerValue, String expectedActivity) throws Exception {
+    Workflow workflow =
+        SwadlParser.fromYaml(getClass().getResourceAsStream("/form/send-form-reply-join-activity.swadl.yaml"));
+
+    when(messageService.send(anyString(), any(Message.class))).thenReturn(message("msgId"));
+
+    engine.deploy(workflow);
+
+    // trigger workflow execution
+    engine.onEvent(messageReceived("/go"));
+    verify(messageService, timeout(2000)).send(anyString(), contains("form"));
+    clearInvocations(messageService);
+
+    await().atMost(5, TimeUnit.SECONDS).ignoreExceptions().until(() -> {
+      engine.onEvent(form("msgId", "sendForm", Collections.singletonMap("ticker", tickerValue)));
+      return true;
+    });
+    verify(messageService, timeout(2000)).send(anyString(), contains("END"));
+
+    assertThat(workflow).executed(workflow, "sendForm", expectedActivity, "response2");
+  }
 }

workflow-bot-app/src/test/java/com/symphony/bdk/workflow/IntegrationTest.java

@@ -221,6 +221,7 @@ public static RealTimeEvent<V4MessageSent> messageReceived(String content) {
 
     V4MessageSent messageSent = new V4MessageSent();
     V4Message message = new V4Message();
+    message.setMessageId("msgId");
     message.setMessage("<presentationML>" + content + "</presentationML>");
     messageSent.setMessage(message);
     V4Stream stream = new V4Stream();