fix(server): Pass UserTask User details to WorkerContext

docs/docs/08-api.md

@@ -3228,7 +3228,7 @@ SDK, which allows the Task Method to determine where the TaskRun comes from.
 | `node_run_id` | | [NodeRunId](#noderunid) | Is the NodeRun that the UserTaskRun belongs to. |
 | `user_task_event_number` | | int32 | Is the index in the `events` field of the UserTaskRun that the TaskRun corresponds to. |
 | `user_id` | optional| string | Is the user_id that the UserTaskRun is assigned to. Unset if UserTaskRun is not asigned to a specific user_id. |
-| `user_group` | optional| string | Is the user_id that the UserTaskRun is assigned to. Unset if UserTaskRun is not asigned to a specific user_id. |
+| `user_group` | optional| string | Is the user_group that the UserTaskRun is assigned to. Unset if UserTaskRun is not asigned to a specific user_group. |
  <!-- end Fields -->
  <!-- end HasFields -->
 

schemas/littlehorse/user_tasks.proto

@@ -214,8 +214,8 @@ message UserTaskTriggerReference {
   // asigned to a specific user_id.
   optional string user_id = 3;
 
-  // Is the user_id that the UserTaskRun is assigned to. Unset if UserTaskRun is not
-  // asigned to a specific user_id.
+  // Is the user_group that the UserTaskRun is assigned to. Unset if UserTaskRun is not
+  // asigned to a specific user_group.
   optional string user_group = 4;
 }
 

sdk-python/littlehorse/model/__init__.py

@@ -5,8 +5,8 @@
 from .node_run_pb2 import *
 from .object_id_pb2 import *
 from .scheduled_wf_run_pb2 import *
-from .service_pb2_grpc import *
 from .service_pb2 import *
+from .service_pb2_grpc import *
 from .task_def_pb2 import *
 from .task_run_pb2 import *
 from .user_tasks_pb2 import *

server/src/main/java/io/littlehorse/common/model/getable/core/taskrun/UserTaskTriggerReferenceModel.java

@@ -42,9 +42,15 @@ public Class<UserTaskTriggerReference> getProtoBaseClass() {
     public UserTaskTriggerReference.Builder toProto() {
         UserTaskTriggerReference.Builder out = UserTaskTriggerReference.newBuilder()
                 .setNodeRunId(nodeRunId.toProto())
-                .setUserTaskEventNumber(userTaskEventNumber)
-                .setUserId(this.userId)
-                .setUserGroup(this.userGroup);
+                .setUserTaskEventNumber(userTaskEventNumber);
+
+        if (userId != null) {
+            out.setUserId(this.userId);
+        }
+
+        if (userGroup != null) {
+            out.setUserGroup(this.userGroup);
+        }
 
         return out;
     }
@@ -54,8 +60,14 @@ public void initFrom(Message proto, ExecutionContext context) {
         UserTaskTriggerReference p = (UserTaskTriggerReference) proto;
         nodeRunId = LHSerializable.fromProto(p.getNodeRunId(), NodeRunIdModel.class, context);
         userTaskEventNumber = p.getUserTaskEventNumber();
-        userId = p.getUserId();
-        userGroup = p.getUserGroup();
+
+        if (p.hasUserId()) {
+            userId = p.getUserId();
+        }
+
+        if (p.hasUserGroup()) {
+            userGroup = p.getUserGroup();
+        }
     }
 
     @Override

server/src/test/java/e2e/UserTaskTest.java

@@ -13,6 +13,9 @@
 import io.littlehorse.sdk.common.proto.SaveUserTaskRunProgressRequest;
 import io.littlehorse.sdk.common.proto.SaveUserTaskRunProgressRequest.SaveUserTaskRunAssignmentPolicy;
 import io.littlehorse.sdk.common.proto.SearchWfRunRequest;
+import io.littlehorse.sdk.common.proto.TaskRun;
+import io.littlehorse.sdk.common.proto.TaskRunId;
+import io.littlehorse.sdk.common.proto.TaskStatus;
 import io.littlehorse.sdk.common.proto.UserTaskEvent;
 import io.littlehorse.sdk.common.proto.UserTaskEvent.EventCase;
 import io.littlehorse.sdk.common.proto.UserTaskRun;
@@ -62,6 +65,12 @@ public class UserTaskTest {
     @LHWorkflow("cancel-user-task-on-deadline")
     private Workflow userTaskCancelOnDeadline;
 
+    @LHWorkflow("schedule-reminder-task-without-user-fields-workflow")
+    private Workflow scheduleReminderTaskWithoutUserFields;
+
+    @LHWorkflow("worker-context-receives-user-details")
+    private Workflow workerContextReceivesUserDetails;
+
     @LHUserTaskForm(USER_TASK_DEF_NAME)
     private MyForm myForm = new MyForm();
 
@@ -296,6 +305,42 @@ void shouldExecuteBusinessExceptionHandlerWhenUserTaskGetsCancelOnDeadline() {
                 .start();
     }
 
+    @Test
+    void shouldScheduleAndExecuteReminderTask() {
+        workflowVerifier
+                .prepareRun(scheduleReminderTaskWithoutUserFields)
+                .waitForStatus(ERROR, Duration.ofSeconds(6))
+                .thenVerifyNodeRun(0, 1, nodeRun -> {
+                    UserTaskRunId userTaskId = nodeRun.getUserTask().getUserTaskRunId();
+                    UserTaskRun userTaskRun = client.getUserTaskRun(userTaskId);
+                    UserTaskEvent userTaskEvent = userTaskRun.getEvents(1);
+                    TaskRunId taskRunId = userTaskEvent.getTaskExecuted().getTaskRun();
+                    TaskRun taskRun = client.getTaskRun(taskRunId);
+                    TaskStatus taskRunStatus = taskRun.getStatus();
+
+                    Assertions.assertThat(taskRunStatus).isEqualTo(TaskStatus.TASK_SUCCESS);
+                })
+                .start();
+    }
+
+    @Test
+    void verifyWorkerContextHasUserIdOrUserGroup() {
+        workflowVerifier
+                .prepareRun(workerContextReceivesUserDetails)
+                .waitForStatus(ERROR, Duration.ofSeconds(6))
+                .thenVerifyNodeRun(0, 1, nodeRun -> {
+                    UserTaskRunId userTaskId = nodeRun.getUserTask().getUserTaskRunId();
+                    UserTaskRun userTaskRun = client.getUserTaskRun(userTaskId);
+                    UserTaskEvent userTaskEvent = userTaskRun.getEvents(1);
+                    TaskRunId taskRunId = userTaskEvent.getTaskExecuted().getTaskRun();
+                    TaskRun taskRun = client.getTaskRun(taskRunId);
+                    TaskStatus taskRunStatus = taskRun.getStatus();
+
+                    Assertions.assertThat(taskRunStatus).isEqualTo(TaskStatus.TASK_SUCCESS);
+                })
+                .start();
+    }
+
     @LHWorkflow("deadline-reassignment-workflow")
     public Workflow buildDeadlineReassignmentWorkflow() {
         return new WorkflowImpl("deadline-reassignment-workflow", entrypointThread -> {
@@ -315,6 +360,30 @@ public Workflow buildDeadlineReassignmentWorkflow() {
         });
     }
 
+    @LHWorkflow("schedule-reminder-task-without-user-fields-workflow")
+    public Workflow buildReminderTaskWorkflowWithUserGroupField() {
+        return new WorkflowImpl("reminder-task-without-user-fields-workflow", entrypointThread -> {
+            UserTaskOutput formOutput = entrypointThread.assignUserTask(USER_TASK_DEF_NAME, "jacob", null);
+
+            // Schedule a reminder immediately
+            entrypointThread.scheduleReminderTask(formOutput, 0, "reminder-task");
+
+            entrypointThread.cancelUserTaskRunAfter(formOutput, 5);
+        });
+    }
+
+    @LHWorkflow("worker-context-receives-user-details")
+    public Workflow workerContextReceivesUserDetails() {
+        return new WorkflowImpl("worker-context-receives-user-details", entrypointThread -> {
+            UserTaskOutput formOutput = entrypointThread.assignUserTask(USER_TASK_DEF_NAME, "jacob", null);
+
+            // Schedule a reminder immediately
+            entrypointThread.scheduleReminderTask(formOutput, 0, "verify-worker-context", "jacob", null);
+
+            entrypointThread.cancelUserTaskRunAfter(formOutput, 5);
+        });
+    }
+
     @LHWorkflow("deadline-reassignment-workflow-user-without-group")
     public Workflow buildDeadlineReassignmentWorkflowUserWithoutGroup() {
         return new WorkflowImpl("deadline-reassignment-workflow-user-without-group", entrypointThread -> {
@@ -369,6 +438,24 @@ public String userTaskCanceled() {
     public void doReminder(WorkerContext ctx) {
         cache.put(ctx.getWfRunId().getId(), "hello there!");
     }
+
+    @LHTaskMethod("verify-worker-context")
+    public void verifyWorkerContext(String userId, String userGroup, WorkerContext ctx) {
+        if (userId == null && userGroup == null) {
+            throw new IllegalStateException("At least one of userId or userGroup must be specified");
+        }
+
+        if (userId != null) {
+            if (!userId.equals(ctx.getUserId())) {
+                throw new IllegalStateException("WorkerContext UserId does not match expected value.");
+            }
+        }
+        if (userGroup != null) {
+            if (!userGroup.equals(ctx.getUserGroup())) {
+                throw new IllegalStateException("WorkerContext UserGroup does not match expected value.");
+            }
+        }
+    }
 }
 
 class MyForm {