stop at call activity as well when getting calling subprocesses by child id w/ burnettk

src/spiffworkflow_backend/routes/process_instances_controller.py

@@ -556,9 +556,11 @@ def process_instance_task_list(
     else:
         spiff_tasks = processor.get_all_user_tasks()
 
-    subprocesses_by_child_task_ids = processor.get_subprocesses_by_child_task_ids()
+    subprocesses_by_child_task_ids, task_typename_by_task_id = (
-    processor.get_highest_level_subprocesses_by_child_task_ids(
+        processor.get_subprocesses_by_child_task_ids()
-        subprocesses_by_child_task_ids
+    )
+    processor.get_highest_level_calling_subprocesses_by_child_task_ids(
+        subprocesses_by_child_task_ids, task_typename_by_task_id
     )
 
     tasks = []

src/spiffworkflow_backend/services/process_instance_processor.py

@@ -625,7 +625,25 @@ class ProcessInstanceProcessor:
                 db.session.add(pim)
                 db.session.commit()
 
-    def get_subprocesses_by_child_task_ids(self) -> dict:
+    def get_all_task_specs(self) -> dict[str, dict]:
+        """This looks both at top level task_specs and subprocess_specs in the serialized data.
+
+        It returns a dict of all task specs based on the task name like it is in the serialized form.
+
+        NOTE: this may not fully work for tasks that are NOT call activities since their task_name may no be unique
+        but in our current use case we only care about the call activities here.
+        """
+        serialized_data = json.loads(self.serialize())
+        spiff_task_json = serialized_data["spec"]["task_specs"] or {}
+        if "subprocess_specs" in serialized_data:
+            for _subprocess_task_name, subprocess_details in serialized_data[
+                "subprocess_specs"
+            ].items():
+                if "task_specs" in subprocess_details:
+                    spiff_task_json = spiff_task_json | subprocess_details["task_specs"]
+        return spiff_task_json
+
+    def get_subprocesses_by_child_task_ids(self) -> Tuple[dict, dict]:
         """Get all subprocess ids based on the child task ids.
 
         This is useful when trying to link the child task of a call activity back to
@@ -641,27 +659,45 @@ class ProcessInstanceProcessor:
         call activities like subprocesses in terms of the serialization.
         """
         bpmn_json = json.loads(self.serialize())
+        spiff_task_json = self.get_all_task_specs()
+
         subprocesses_by_child_task_ids = {}
+        task_typename_by_task_id = {}
         if "subprocesses" in bpmn_json:
             for subprocess_id, subprocess_details in bpmn_json["subprocesses"].items():
-                for task_id in subprocess_details["tasks"]:
+                for task_id, task_details in subprocess_details["tasks"].items():
                     subprocesses_by_child_task_ids[task_id] = subprocess_id
-        return subprocesses_by_child_task_ids
+                    task_name = task_details["task_spec"]
+                    if task_name in spiff_task_json:
+                        task_typename_by_task_id[task_id] = spiff_task_json[task_name][
+                            "typename"
+                        ]
+        return (subprocesses_by_child_task_ids, task_typename_by_task_id)
 
-    def get_highest_level_subprocesses_by_child_task_ids(
+    def get_highest_level_calling_subprocesses_by_child_task_ids(
-        self, subprocesses_by_child_task_ids: dict
+        self, subprocesses_by_child_task_ids: dict, task_typename_by_task_id: dict
     ) -> dict:
         """Ensure task ids point to the top level subprocess id.
 
-        This is done by checking if a subprocess is also a task until the subprocess is no longer a task.
+        This is done by checking if a subprocess is also a task until the subprocess is no longer a task or a Call Activity.
         """
         for task_id, subprocess_id in subprocesses_by_child_task_ids.items():
             if subprocess_id in subprocesses_by_child_task_ids:
+                current_subprocess_id_for_task = subprocesses_by_child_task_ids[task_id]
+                if current_subprocess_id_for_task in task_typename_by_task_id:
+                    # a call activity is like the top-level subprocess since it is the calling subprocess
+                    # according to spiff and the top-level calling subprocess is really what we care about
+                    if (
+                        task_typename_by_task_id[current_subprocess_id_for_task]
+                        == "CallActivity"
+                    ):
+                        continue
+
                 subprocesses_by_child_task_ids[task_id] = (
                     subprocesses_by_child_task_ids[subprocess_id]
                 )
-                self.get_highest_level_subprocesses_by_child_task_ids(
+                self.get_highest_level_calling_subprocesses_by_child_task_ids(
-                    subprocesses_by_child_task_ids
+                    subprocesses_by_child_task_ids, task_typename_by_task_id
                 )
         return subprocesses_by_child_task_ids