updated milestone table query to include logic similar to caching last_milestone on the pi w/ burnettk (#505)

Co-authored-by: jasquat <jasquat@users.noreply.github.com>

spiffworkflow-backend/src/spiffworkflow_backend/routes/process_instance_events_controller.py

@@ -1,3 +1,5 @@
+from operator import or_
+
 import flask.wrappers
 from flask import jsonify
 from flask import make_response
@@ -38,10 +40,22 @@ def log_list(
         )
     )
     if not events:
+        # NOTE: we could also consider a "is_milestone" column on the process_instance_event table,
+        # populating this value in task_service, and move setting the last_milestone on process instances
+        # to the same location in task_service
         log_query = log_query.filter(
             and_(
                 TaskModel.state.in_(["COMPLETED"]),  # type: ignore
-                TaskDefinitionModel.typename.in_(["IntermediateThrowEvent"]),  # type: ignore
+                or_(
+                    TaskDefinitionModel.typename.in_(["IntermediateThrowEvent"]),  # type: ignore
+                    and_(
+                        TaskDefinitionModel.typename.in_(["StartEvent", "EndEvent"]),  # type: ignore
+                        or_(
+                            TaskDefinitionModel.bpmn_name.is_not(None),  # type: ignore
+                            BpmnProcessDefinitionModel.full_process_model_hash.is_not(None),  # type: ignore
+                        ),
+                    ),
+                ),
             )
         )
 

spiffworkflow-backend/tests/spiffworkflow_backend/integration/test_logging_service.py

@@ -116,8 +116,8 @@ class TestLoggingService(BaseTest):
         assert log_response.status_code == 200
         assert log_response.json
         logs: list = log_response.json["results"]
-        assert len(logs) == 2
+        assert len(logs) == 4
 
         for log in logs:
             assert log["process_instance_id"] == process_instance.id
-            assert log["bpmn_task_type"] == "IntermediateThrowEvent"
+            assert log["bpmn_task_type"] in ["StartEvent", "EndEvent", "IntermediateThrowEvent"]

spiffworkflow-frontend/src/components/ProcessInstanceLogList.tsx

@@ -259,7 +259,15 @@ export default function ProcessInstanceLogList({
 
   const getTableRow = (logEntry: ProcessInstanceLogEntry) => {
     const tableRow = [];
-    const taskNameCell = <td>{logEntry.task_definition_name}</td>;
+    let taskName = logEntry.task_definition_name;
+    if (!taskName && !isEventsView) {
+      if (logEntry.bpmn_task_type === 'StartEvent') {
+        taskName = 'Started';
+      } else if (logEntry.bpmn_task_type === 'EndEvent') {
+        taskName = 'Completed';
+      }
+    }
+    const taskNameCell = <td>{taskName}</td>;
     const bpmnProcessCell = (
       <td>
         {logEntry.bpmn_process_definition_name ||