Merge remote-tracking branch 'origin/main' into feature/multiple_editor_users_display_user

spiffworkflow-backend/src/spiffworkflow_backend/api.yml

@@ -1289,6 +1289,13 @@ paths:
     put:
       operationId: spiffworkflow_backend.routes.process_models_controller.process_model_file_update
       summary: save the contents to the given file
+      parameters:
+        - name: file_contents_hash
+          in: query
+          required: false
+          description: The hash of the file contents that originally came with the file.
+          schema:
+            type: string
       tags:
         - Process Model Files
       requestBody:
@@ -1632,9 +1639,9 @@ paths:
         required: true
         description: The unique id of the process instance
         schema:
-          type: string
+          type: integer
     post:
-      operationId: spiffworkflow_backend.routes.process_api_blueprint.send_bpmn_event
+      operationId: spiffworkflow_backend.routes.process_instances_controller.send_bpmn_event
       summary: Send a BPMN event to the process
       tags:
         - Process Instances
@@ -1823,6 +1830,27 @@ paths:
               schema:
                 $ref: "#/components/schemas/OkTrue"
 
+  /tasks/{process_instance_id}/send-user-signal-event:
+    parameters:
+      - name: process_instance_id
+        in: path
+        required: true
+        description: The unique id of the process instance
+        schema:
+          type: integer
+    post:
+      operationId: spiffworkflow_backend.routes.process_instances_controller.send_user_signal_event
+      summary: Send a BPMN event to the process
+      tags:
+        - Process Instances
+      responses:
+        "200":
+          description: Event Sent Successfully
+          content:
+            application/json:
+              schema:
+                $ref: "#/components/schemas/Workflow"
+
   /messages:
     parameters:
       - name: process_instance_id

spiffworkflow-backend/src/spiffworkflow_backend/exceptions/api_error.py

@@ -127,8 +127,8 @@ class ApiError(Exception):
             instance.task_trace = TaskModelError.get_task_trace(task_model)
 
         try:
-            spec_reference = TaskService.get_spec_reference_from_bpmn_process(task_model.bpmn_process)
+            spec_reference_filename = TaskService.get_spec_filename_from_bpmn_process(task_model.bpmn_process)
-            instance.file_name = spec_reference.file_name
+            instance.file_name = spec_reference_filename
         except Exception as exception:
             current_app.logger.error(exception)
 

spiffworkflow-backend/src/spiffworkflow_backend/models/file.py

@@ -1,12 +1,9 @@
-"""File."""
+from __future__ import annotations
+
 from dataclasses import dataclass
 from dataclasses import field
 from datetime import datetime
-from typing import Optional
+from typing import Any
-
-import marshmallow
-from marshmallow import INCLUDE
-from marshmallow import Schema
 
 from spiffworkflow_backend.helpers.spiff_enum import SpiffEnum
 from spiffworkflow_backend.models.spec_reference import SpecReference
@@ -74,10 +71,10 @@ class File:
     type: str
     last_modified: datetime
     size: int
-    references: Optional[list[SpecReference]] = None
+    references: list[SpecReference] | None = None
-    file_contents: Optional[bytes] = None
+    file_contents: bytes | None = None
-    process_model_id: Optional[str] = None
+    process_model_id: str | None = None
-    process_group_id: Optional[str] = None
+    file_contents_hash: str | None = None
 
     def __post_init__(self) -> None:
         """__post_init__."""
@@ -91,7 +88,7 @@ class File:
         content_type: str,
         last_modified: datetime,
         file_size: int,
-    ) -> "File":
+    ) -> File:
         """From_file_system."""
         instance = cls(
             name=file_name,
@@ -102,28 +99,9 @@ class File:
         )
         return instance
 
-
+    @property
-class FileSchema(Schema):
+    def serialized(self) -> dict[str, Any]:
-    """FileSchema."""
+        dictionary = self.__dict__
-
+        if isinstance(self.file_contents, bytes):
-    class Meta:
+            dictionary["file_contents"] = self.file_contents.decode("utf-8")
-        """Meta."""
+        return dictionary
-
-        model = File
-        fields = [
-            "id",
-            "name",
-            "content_type",
-            "last_modified",
-            "type",
-            "size",
-            "data_store",
-            "user_uid",
-            "url",
-            "file_contents",
-            "references",
-            "process_group_id",
-            "process_model_id",
-        ]
-        unknown = INCLUDE
-        references = marshmallow.fields.List(marshmallow.fields.Nested("SpecReferenceSchema"))

spiffworkflow-backend/src/spiffworkflow_backend/models/process_model.py

@@ -87,7 +87,7 @@ class ProcessModelInfoSchema(Schema):
     display_order = marshmallow.fields.Integer(allow_none=True)
     primary_file_name = marshmallow.fields.String(allow_none=True)
     primary_process_id = marshmallow.fields.String(allow_none=True)
-    files = marshmallow.fields.List(marshmallow.fields.Nested("FileSchema"))
+    files = marshmallow.fields.List(marshmallow.fields.Nested("File"))
     fault_or_suspend_on_exception = marshmallow.fields.String()
     exception_notification_addresses = marshmallow.fields.List(marshmallow.fields.String)
     metadata_extraction_paths = marshmallow.fields.List(

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

@@ -31,7 +31,6 @@ from spiffworkflow_backend.services.process_caller_service import ProcessCallerS
 from spiffworkflow_backend.services.process_instance_processor import (
     ProcessInstanceProcessor,
 )
-from spiffworkflow_backend.services.process_instance_service import ProcessInstanceService
 from spiffworkflow_backend.services.process_model_service import ProcessModelService
 
 
@@ -189,25 +188,6 @@ def _get_required_parameter_or_raise(parameter: str, post_body: dict[str, Any])
     return return_value
 
 
-def send_bpmn_event(
-    modified_process_model_identifier: str,
-    process_instance_id: str,
-    body: Dict,
-) -> Response:
-    """Send a bpmn event to a workflow."""
-    process_instance = ProcessInstanceModel.query.filter(ProcessInstanceModel.id == int(process_instance_id)).first()
-    if process_instance:
-        processor = ProcessInstanceProcessor(process_instance)
-        processor.send_bpmn_event(body)
-        task = ProcessInstanceService.spiff_task_to_api_task(processor, processor.next_task())
-        return make_response(jsonify(task), 200)
-    else:
-        raise ApiError(
-            error_code="send_bpmn_event_error",
-            message=f"Could not send event to Instance: {process_instance_id}",
-        )
-
-
 def _commit_and_push_to_git(message: str) -> None:
     """Commit_and_push_to_git."""
     if current_app.config["SPIFFWORKFLOW_BACKEND_GIT_COMMIT_ON_SAVE"]:

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

@@ -298,8 +298,8 @@ def process_instance_report_show(
 def process_instance_report_column_list(
     process_model_identifier: Optional[str] = None,
 ) -> flask.wrappers.Response:
-    """Process_instance_report_column_list."""
     table_columns = ProcessInstanceReportService.builtin_column_options()
+    system_report_column_options = ProcessInstanceReportService.system_report_column_options()
     columns_for_metadata_query = (
         db.session.query(ProcessInstanceMetadataModel.key)
         .order_by(ProcessInstanceMetadataModel.key)
@@ -315,7 +315,7 @@ def process_instance_report_column_list(
     columns_for_metadata_strings = [
         {"Header": i[0], "accessor": i[0], "filterable": True} for i in columns_for_metadata
     ]
-    return make_response(jsonify(table_columns + columns_for_metadata_strings), 200)
+    return make_response(jsonify(table_columns + system_report_column_options + columns_for_metadata_strings), 200)
 
 
 def process_instance_show_for_me(
@@ -642,6 +642,38 @@ def process_instance_find_by_id(
     return make_response(jsonify(response_json), 200)
 
 
+def send_user_signal_event(
+    process_instance_id: int,
+    body: Dict,
+) -> Response:
+    """Send a user signal event to a process instance."""
+    process_instance = _find_process_instance_for_me_or_raise(process_instance_id)
+    return _send_bpmn_event(process_instance, body)
+
+
+def send_bpmn_event(
+    modified_process_model_identifier: str,
+    process_instance_id: int,
+    body: Dict,
+) -> Response:
+    """Send a bpmn event to a process instance."""
+    process_instance = ProcessInstanceModel.query.filter(ProcessInstanceModel.id == int(process_instance_id)).first()
+    if process_instance:
+        return _send_bpmn_event(process_instance, body)
+    else:
+        raise ApiError(
+            error_code="send_bpmn_event_error",
+            message=f"Could not send event to Instance: {process_instance_id}",
+        )
+
+
+def _send_bpmn_event(process_instance: ProcessInstanceModel, body: dict) -> Response:
+    processor = ProcessInstanceProcessor(process_instance)
+    processor.send_bpmn_event(body)
+    task = ProcessInstanceService.spiff_task_to_api_task(processor, processor.next_task())
+    return make_response(jsonify(task), 200)
+
+
 def _get_process_instance(
     modified_process_model_identifier: str,
     process_instance: ProcessInstanceModel,

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

@@ -2,6 +2,7 @@
 import json
 import os
 import re
+from hashlib import sha256
 from typing import Any
 from typing import Dict
 from typing import Optional
@@ -18,7 +19,6 @@ from werkzeug.datastructures import FileStorage
 
 from spiffworkflow_backend.exceptions.api_error import ApiError
 from spiffworkflow_backend.interfaces import IdToProcessGroupMapping
-from spiffworkflow_backend.models.file import FileSchema
 from spiffworkflow_backend.models.process_group import ProcessGroup
 from spiffworkflow_backend.models.process_instance_report import (
     ProcessInstanceReportModel,
@@ -245,10 +245,13 @@ def process_model_list(
     return make_response(jsonify(response_json), 200)
 
 
-def process_model_file_update(modified_process_model_identifier: str, file_name: str) -> flask.wrappers.Response:
+def process_model_file_update(
-    """Process_model_file_update."""
+    modified_process_model_identifier: str, file_name: str, file_contents_hash: str
+) -> flask.wrappers.Response:
     message = f"User: {g.user.username} clicked save for"
-    return _create_or_update_process_model_file(modified_process_model_identifier, message, 200)
+    return _create_or_update_process_model_file(
+        modified_process_model_identifier, message, 200, file_contents_hash=file_contents_hash
+    )
 
 
 def process_model_file_delete(modified_process_model_identifier: str, file_name: str) -> flask.wrappers.Response:
@@ -293,24 +296,23 @@ def process_model_file_create(
 
 
 def process_model_file_show(modified_process_model_identifier: str, file_name: str) -> Any:
-    """Process_model_file_show."""
     process_model_identifier = modified_process_model_identifier.replace(":", "/")
     process_model = _get_process_model(process_model_identifier)
     files = SpecFileService.get_files(process_model, file_name)
     if len(files) == 0:
         raise ApiError(
-            error_code="unknown file",
+            error_code="process_model_file_not_found",
-            message=(
+            message=f"File {file_name} not found in workflow {process_model_identifier}.",
-                f"No information exists for file {file_name} it does not exist in workflow {process_model_identifier}."
-            ),
             status_code=404,
         )
 
     file = files[0]
     file_contents = SpecFileService.get_data(process_model, file.name)
     file.file_contents = file_contents
+    file_contents_hash = sha256(file_contents).hexdigest()
+    file.file_contents_hash = file_contents_hash
     file.process_model_id = process_model.id
-    return FileSchema().dump(file)
+    return make_response(jsonify(file), 200)
 
 
 #   {
@@ -477,6 +479,7 @@ def _create_or_update_process_model_file(
     modified_process_model_identifier: str,
     message_for_git_commit: str,
     http_status_to_return: int,
+    file_contents_hash: Optional[str] = None,
 ) -> flask.wrappers.Response:
     """_create_or_update_process_model_file."""
     process_model_identifier = modified_process_model_identifier.replace(":", "/")
@@ -498,6 +501,21 @@ def _create_or_update_process_model_file(
             status_code=400,
         )
 
+    if file_contents_hash is not None:
+        current_file_contents_bytes = SpecFileService.get_data(process_model, request_file.filename)
+        if current_file_contents_bytes and file_contents_hash:
+            current_file_contents_hash = sha256(current_file_contents_bytes).hexdigest()
+            if current_file_contents_hash != file_contents_hash:
+                raise ApiError(
+                    error_code="process_model_file_has_changed",
+                    message=(
+                        f"Process model file: {request_file.filename} was already changed by someone else. If you made"
+                        " changes you do not want to lose, click the Download button and make sure your changes are"
+                        " in the resulting file. If you do not need your changes, you can safely reload this page."
+                    ),
+                    status_code=409,
+                )
+
     file = None
     try:
         file = SpecFileService.update_file(process_model, request_file.filename, request_file_contents)
@@ -514,8 +532,4 @@ def _create_or_update_process_model_file(
     file.process_model_id = process_model.id
     _commit_and_push_to_git(f"{message_for_git_commit} {process_model_identifier}/{file.name}")
 
-    return Response(
+    return make_response(jsonify(file), http_status_to_return)
-        json.dumps(FileSchema().dump(file)),
-        status=http_status_to_return,
-        mimetype="application/json",
-    )

spiffworkflow-backend/src/spiffworkflow_backend/services/authorization_service.py

@@ -532,7 +532,9 @@ class AuthorizationService:
         #   1. view your own instances.
         #   2. view the logs for these instances.
         if permission_set == "start":
-            target_uri = f"/process-instances/{process_related_path_segment}"
+            path_prefixes_that_allow_create_access = ["process-instances"]
+            for path_prefix in path_prefixes_that_allow_create_access:
+                target_uri = f"/{path_prefix}/{process_related_path_segment}"
                 permissions_to_assign.append(PermissionToAssign(permission="create", target_uri=target_uri))
 
             # giving people access to all logs for an instance actually gives them a little bit more access

spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_processor.py

@@ -1115,59 +1115,54 @@ class ProcessInstanceProcessor:
 
     def manual_complete_task(self, task_id: str, execute: bool) -> None:
         """Mark the task complete optionally executing it."""
-        spiff_tasks_updated = {}
         start_in_seconds = time.time()
         spiff_task = self.bpmn_process_instance.get_task_from_id(UUID(task_id))
         event_type = ProcessInstanceEventType.task_skipped.value
+        start_time = time.time()
+
         if execute:
             current_app.logger.info(
                 f"Manually executing Task {spiff_task.task_spec.name} of process"
                 f" instance {self.process_instance_model.id}"
             )
-            # Executing a subworkflow manually will restart its subprocess and allow stepping through it
+            # Executing a sub-workflow manually will restart its subprocess and allow stepping through it
             if isinstance(spiff_task.task_spec, SubWorkflowTask):
                 subprocess = self.bpmn_process_instance.get_subprocess(spiff_task)
                 # We have to get to the actual start event
-                for task in self.bpmn_process_instance.get_tasks(workflow=subprocess):
+                for spiff_task in self.bpmn_process_instance.get_tasks(workflow=subprocess):
-                    task.complete()
+                    spiff_task.run()
-                    spiff_tasks_updated[task.id] = task
+                    if isinstance(spiff_task.task_spec, StartEvent):
-                    if isinstance(task.task_spec, StartEvent):
                         break
             else:
-                spiff_task.complete()
+                spiff_task.run()
-                spiff_tasks_updated[spiff_task.id] = spiff_task
-                for child in spiff_task.children:
-                    spiff_tasks_updated[child.id] = child
             event_type = ProcessInstanceEventType.task_executed_manually.value
         else:
             spiff_logger = logging.getLogger("spiff")
             spiff_logger.info(f"Skipped task {spiff_task.task_spec.name}", extra=spiff_task.log_info())
-            spiff_task._set_state(TaskState.COMPLETED)
+            spiff_task.complete()
-            for child in spiff_task.children:
-                child.task_spec._update(child)
-                spiff_tasks_updated[child.id] = child
             spiff_task.workflow.last_task = spiff_task
-            spiff_tasks_updated[spiff_task.id] = spiff_task
-
         end_in_seconds = time.time()
 
         if isinstance(spiff_task.task_spec, EndEvent):
             for task in self.bpmn_process_instance.get_tasks(TaskState.DEFINITE_MASK, workflow=spiff_task.workflow):
                 task.complete()
-                spiff_tasks_updated[task.id] = task
 
         # A subworkflow task will become ready when its workflow is complete.  Engine steps would normally
         # then complete it, but we have to do it ourselves here.
         for task in self.bpmn_process_instance.get_tasks(TaskState.READY):
             if isinstance(task.task_spec, SubWorkflowTask):
                 task.complete()
-                spiff_tasks_updated[task.id] = task
 
         task_service = TaskService(
             process_instance=self.process_instance_model,
             serializer=self._serializer,
             bpmn_definition_to_task_definitions_mappings=self.bpmn_definition_to_task_definitions_mappings,
         )
+
+        spiff_tasks_updated = {}
+        for task in self.bpmn_process_instance.get_tasks():
+            if task.last_state_change > start_time:
+                spiff_tasks_updated[task.id] = task
         for updated_spiff_task in spiff_tasks_updated.values():
             (
                 bpmn_process,
@@ -1216,6 +1211,14 @@ class ProcessInstanceProcessor:
             raise TaskNotFoundError(
                 f"Cannot find a task with guid '{to_task_guid}' for process instance '{process_instance.id}'"
             )
+        # If this task model has a parent boundary event, reset to that point instead,
+        # so we can reset all the boundary timers, etc...
+        parent_id = to_task_model.properties_json.get("parent", "")
+        parent = TaskModel.query.filter_by(guid=parent_id).first()
+        is_boundary_parent = False
+        if parent and parent.task_definition.typename == "_BoundaryEventParent":
+            to_task_model = parent
+            is_boundary_parent = True  # Will need to complete this task at the end so we are on the correct process.
 
         # NOTE: run ALL queries before making changes to ensure we get everything before anything changes
         parent_bpmn_processes, task_models_of_parent_bpmn_processes = TaskService.task_models_of_parent_bpmn_processes(
@@ -1320,6 +1323,11 @@ class ProcessInstanceProcessor:
         db.session.commit()
 
         processor = ProcessInstanceProcessor(process_instance)
+
+        # If this as a boundary event parent, run it, so we get back to an active task.
+        if is_boundary_parent:
+            processor.do_engine_steps(execution_strategy_name="one_at_a_time")
+
         processor.save()
         processor.suspend()
 

spiffworkflow-backend/src/spiffworkflow_backend/services/process_instance_report_service.py

@@ -320,7 +320,7 @@ class ProcessInstanceReportService:
 
     @classmethod
     def builtin_column_options(cls) -> list[ReportMetadataColumn]:
-        """Builtin_column_options."""
+        """Columns that are actually in the process instance table."""
         return_value: list[ReportMetadataColumn] = [
             {"Header": "Id", "accessor": "id", "filterable": False},
             {
@@ -339,6 +339,15 @@ class ProcessInstanceReportService:
         ]
         return return_value
 
+    @classmethod
+    def system_report_column_options(cls) -> list[ReportMetadataColumn]:
+        """Columns that are used with certain system reports."""
+        return_value: list[ReportMetadataColumn] = [
+            {"Header": "Task", "accessor": "task_title", "filterable": False},
+            {"Header": "Waiting For", "accessor": "waiting_for", "filterable": False},
+        ]
+        return return_value
+
     @classmethod
     def get_filter_value(cls, filters: list[FilterValue], filter_key: str) -> Any:
         for filter in filters:

spiffworkflow-backend/src/spiffworkflow_backend/services/spec_file_service.py

@@ -175,7 +175,6 @@ class SpecFileService(FileSystemService):
 
     @classmethod
     def update_file(cls, process_model_info: ProcessModelInfo, file_name: str, binary_data: bytes) -> File:
-        """Update_file."""
         SpecFileService.assert_valid_file_name(file_name)
         cls.validate_bpmn_xml(file_name, binary_data)
 

spiffworkflow-backend/src/spiffworkflow_backend/services/task_service.py

@@ -89,15 +89,15 @@ class TaskModelError(Exception):
         task_definition = task_model.task_definition
         task_bpmn_name = TaskService.get_name_for_display(task_definition)
         bpmn_process = task_model.bpmn_process
-        spec_reference = TaskService.get_spec_reference_from_bpmn_process(bpmn_process)
+        spec_reference_filename = TaskService.get_spec_filename_from_bpmn_process(bpmn_process)
 
-        task_trace = [f"{task_bpmn_name} ({spec_reference.file_name})"]
+        task_trace = [f"{task_bpmn_name} ({spec_reference_filename})"]
         while bpmn_process.guid is not None:
             caller_task_model = TaskModel.query.filter_by(guid=bpmn_process.guid).first()
             bpmn_process = BpmnProcessModel.query.filter_by(id=bpmn_process.direct_parent_process_id).first()
-            spec_reference = TaskService.get_spec_reference_from_bpmn_process(bpmn_process)
+            spec_reference_filename = TaskService.get_spec_filename_from_bpmn_process(bpmn_process)
             task_trace.append(
-                f"{TaskService.get_name_for_display(caller_task_model.task_definition)} ({spec_reference.file_name})"
+                f"{TaskService.get_name_for_display(caller_task_model.task_definition)} ({spec_reference_filename})"
             )
         return task_trace
 
@@ -630,6 +630,15 @@ class TaskService:
                 result.append({"event": event_definition, "label": extensions["signalButtonLabel"]})
         return result
 
+    @classmethod
+    def get_spec_filename_from_bpmn_process(cls, bpmn_process: BpmnProcessModel) -> Optional[str]:
+        """Just return the filename if the bpmn process is found in spec reference cache."""
+        try:
+            filename: Optional[str] = cls.get_spec_reference_from_bpmn_process(bpmn_process).file_name
+            return filename
+        except SpecReferenceNotFoundError:
+            return None
+
     @classmethod
     def get_spec_reference_from_bpmn_process(cls, bpmn_process: BpmnProcessModel) -> SpecReferenceCache:
         """Get the bpmn file for a given task model.

spiffworkflow-backend/tests/data/boundary_event_reset/boundary_event_reset.bpmn

@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
+  <bpmn:process id="Process_Admin_Tools_Test" name="AdminToolsTest" isExecutable="true">
+    <bpmn:startEvent id="Event_17e2qgy">
+      <bpmn:outgoing>Flow_1ist4rn</bpmn:outgoing>
+    </bpmn:startEvent>
+    <bpmn:sequenceFlow id="Flow_1ist4rn" sourceRef="Event_17e2qgy" targetRef="Activity_039a4i7" />
+    <bpmn:endEvent id="Event_1qodpuj">
+      <bpmn:incoming>Flow_1xbry1g</bpmn:incoming>
+    </bpmn:endEvent>
+    <bpmn:sequenceFlow id="Flow_0vzi07z" sourceRef="Activity_039a4i7" targetRef="Activity_0sqxs4d" />
+    <bpmn:callActivity id="Activity_039a4i7" calledElement="Process_With_Timer">
+      <bpmn:incoming>Flow_1ist4rn</bpmn:incoming>
+      <bpmn:outgoing>Flow_0vzi07z</bpmn:outgoing>
+    </bpmn:callActivity>
+    <bpmn:sequenceFlow id="Flow_1xbry1g" sourceRef="Activity_0sqxs4d" targetRef="Event_1qodpuj" />
+    <bpmn:manualTask id="Activity_0sqxs4d" name="Final">
+      <bpmn:incoming>Flow_0vzi07z</bpmn:incoming>
+      <bpmn:outgoing>Flow_1xbry1g</bpmn:outgoing>
+    </bpmn:manualTask>
+  </bpmn:process>
+  <bpmndi:BPMNDiagram id="BPMNDiagram_1">
+    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_Admin_Tools_Test">
+      <bpmndi:BPMNShape id="Event_17e2qgy_di" bpmnElement="Event_17e2qgy">
+        <dc:Bounds x="352" y="152" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_02srymo_di" bpmnElement="Activity_039a4i7">
+        <dc:Bounds x="440" y="130" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_1qodpuj_di" bpmnElement="Event_1qodpuj">
+        <dc:Bounds x="742" y="152" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_1r3vbnd_di" bpmnElement="Activity_0sqxs4d">
+        <dc:Bounds x="600" y="130" width="100" height="80" />
+        <bpmndi:BPMNLabel />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="Flow_1ist4rn_di" bpmnElement="Flow_1ist4rn">
+        <di:waypoint x="388" y="170" />
+        <di:waypoint x="440" y="170" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_0vzi07z_di" bpmnElement="Flow_0vzi07z">
+        <di:waypoint x="540" y="170" />
+        <di:waypoint x="600" y="170" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_1xbry1g_di" bpmnElement="Flow_1xbry1g">
+        <di:waypoint x="700" y="170" />
+        <di:waypoint x="742" y="170" />
+      </bpmndi:BPMNEdge>
+    </bpmndi:BPMNPlane>
+  </bpmndi:BPMNDiagram>
+</bpmn:definitions>

spiffworkflow-backend/tests/data/boundary_event_reset/sub_with_timer.bpmn

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_96f6665" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.0.0-dev">
+  <bpmn:process id="Process_With_Timer" name="Process With Timer" isExecutable="true">
+    <bpmn:startEvent id="StartEvent_1">
+      <bpmn:outgoing>Flow_1e5apvr</bpmn:outgoing>
+    </bpmn:startEvent>
+    <bpmn:sequenceFlow id="Flow_1e5apvr" sourceRef="StartEvent_1" targetRef="manual_task_1" />
+    <bpmn:sequenceFlow id="Flow_0vtgres" sourceRef="manual_task_1" targetRef="Activity_2" />
+    <bpmn:endEvent id="Event_1pgaya7">
+      <bpmn:incoming>Flow_110vf76</bpmn:incoming>
+    </bpmn:endEvent>
+    <bpmn:sequenceFlow id="Flow_110vf76" sourceRef="Activity_2" targetRef="Event_1pgaya7" />
+    <bpmn:boundaryEvent id="Timer_Event_Horror" name="Timer_Event_Horror" attachedToRef="manual_task_1">
+      <bpmn:outgoing>Flow_1hy0t7d</bpmn:outgoing>
+      <bpmn:timerEventDefinition id="TimerEventDefinition_1jkwn61">
+        <bpmn:timeDuration xsi:type="bpmn:tFormalExpression">'P14D'</bpmn:timeDuration>
+      </bpmn:timerEventDefinition>
+    </bpmn:boundaryEvent>
+    <bpmn:sequenceFlow id="Flow_1hy0t7d" sourceRef="Timer_Event_Horror" targetRef="Activity_3" />
+    <bpmn:endEvent id="Event_10frcbe">
+      <bpmn:incoming>Flow_1xbdri7</bpmn:incoming>
+    </bpmn:endEvent>
+    <bpmn:sequenceFlow id="Flow_1xbdri7" sourceRef="Activity_3" targetRef="Event_10frcbe" />
+    <bpmn:manualTask id="manual_task_1" name="Manual Task #1">
+      <bpmn:incoming>Flow_1e5apvr</bpmn:incoming>
+      <bpmn:outgoing>Flow_0vtgres</bpmn:outgoing>
+    </bpmn:manualTask>
+    <bpmn:manualTask id="Activity_3" name="#3">
+      <bpmn:incoming>Flow_1hy0t7d</bpmn:incoming>
+      <bpmn:outgoing>Flow_1xbdri7</bpmn:outgoing>
+    </bpmn:manualTask>
+    <bpmn:scriptTask id="Activity_2" name="#2">
+      <bpmn:incoming>Flow_0vtgres</bpmn:incoming>
+      <bpmn:outgoing>Flow_110vf76</bpmn:outgoing>
+      <bpmn:script>y='1000'</bpmn:script>
+    </bpmn:scriptTask>
+  </bpmn:process>
+  <bpmndi:BPMNDiagram id="BPMNDiagram_1">
+    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_With_Timer">
+      <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
+        <dc:Bounds x="179" y="159" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_1pgaya7_di" bpmnElement="Event_1pgaya7">
+        <dc:Bounds x="592" y="159" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_10frcbe_di" bpmnElement="Event_10frcbe">
+        <dc:Bounds x="592" y="282" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_1cl74h9_di" bpmnElement="manual_task_1">
+        <dc:Bounds x="270" y="137" width="100" height="80" />
+        <bpmndi:BPMNLabel />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_0yn987b_di" bpmnElement="Activity_3">
+        <dc:Bounds x="430" y="260" width="100" height="80" />
+        <bpmndi:BPMNLabel />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Activity_19c5vp3_di" bpmnElement="Activity_2">
+        <dc:Bounds x="430" y="137" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="Event_1gfn4de_di" bpmnElement="Timer_Event_Horror">
+        <dc:Bounds x="302" y="199" width="36" height="36" />
+        <bpmndi:BPMNLabel>
+          <dc:Bounds x="277" y="242" width="87" height="27" />
+        </bpmndi:BPMNLabel>
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="Flow_1e5apvr_di" bpmnElement="Flow_1e5apvr">
+        <di:waypoint x="215" y="177" />
+        <di:waypoint x="270" y="177" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_0vtgres_di" bpmnElement="Flow_0vtgres">
+        <di:waypoint x="370" y="177" />
+        <di:waypoint x="430" y="177" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_110vf76_di" bpmnElement="Flow_110vf76">
+        <di:waypoint x="530" y="177" />
+        <di:waypoint x="592" y="177" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_1hy0t7d_di" bpmnElement="Flow_1hy0t7d">
+        <di:waypoint x="320" y="235" />
+        <di:waypoint x="320" y="300" />
+        <di:waypoint x="430" y="300" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="Flow_1xbdri7_di" bpmnElement="Flow_1xbdri7">
+        <di:waypoint x="530" y="300" />
+        <di:waypoint x="592" y="300" />
+      </bpmndi:BPMNEdge>
+    </bpmndi:BPMNPlane>
+  </bpmndi:BPMNDiagram>
+</bpmn:definitions>

spiffworkflow-backend/tests/spiffworkflow_backend/helpers/base_test.py

@@ -113,7 +113,6 @@ class BaseTest:
         process_group_id: str,
         display_name: str = "",
     ) -> str:
-        """Create_process_group."""
         process_group = ProcessGroup(id=process_group_id, display_name=display_name, display_order=0, admin=False)
         response = client.post(
             "/v1.0/process-groups",
@@ -138,7 +137,6 @@ class BaseTest:
         primary_file_name: Optional[str] = None,
         user: Optional[UserModel] = None,
     ) -> TestResponse:
-        """Create_process_model."""
         if process_model_id is not None:
             # make sure we have a group
             process_group_id, _ = os.path.split(process_model_id)

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

@@ -15,27 +15,6 @@ from spiffworkflow_backend.routes.tasks_controller import _dequeued_interstitial
 class TestForGoodErrors(BaseTest):
     """Assure when certain errors happen when rendering a jinaj2 error that it makes some sense."""
 
-    def get_next_user_task(
-        self,
-        process_instance_id: int,
-        client: FlaskClient,
-        with_super_admin_user: UserModel,
-    ) -> Any:
-        # Call this to assure all engine-steps are fully processed before we search for human tasks.
-        _dequeued_interstitial_stream(process_instance_id)
-
-        """Returns the next available user task for a given process instance, if possible."""
-        human_tasks = (
-            db.session.query(HumanTaskModel).filter(HumanTaskModel.process_instance_id == process_instance_id).all()
-        )
-        assert len(human_tasks) > 0, "No human tasks found for process."
-        human_task = human_tasks[0]
-        response = client.get(
-            f"/v1.0/tasks/{process_instance_id}/{human_task.task_id}",
-            headers=self.logged_in_headers(with_super_admin_user),
-        )
-        return response
-
     def test_invalid_form(
         self,
         app: Flask,
@@ -61,7 +40,7 @@ class TestForGoodErrors(BaseTest):
             headers=self.logged_in_headers(with_super_admin_user),
         )
         assert response.status_code == 200
-        response = self.get_next_user_task(process_instance_id, client, with_super_admin_user)
+        response = self._get_next_user_task(process_instance_id, client, with_super_admin_user)
         assert response.json is not None
         assert response.json["error_type"] == "TemplateSyntaxError"
         assert response.json["line_number"] == 3
@@ -88,7 +67,7 @@ class TestForGoodErrors(BaseTest):
             f"/v1.0/process-instances/{self.modify_process_identifier_for_path_param(process_model.id)}/{process_instance.id}/run",
             headers=self.logged_in_headers(with_super_admin_user),
         )
-        response = self.get_next_user_task(process_instance.id, client, with_super_admin_user)
+        response = self._get_next_user_task(process_instance.id, client, with_super_admin_user)
 
         assert response.status_code == 400
         assert response.json is not None
@@ -99,3 +78,24 @@ class TestForGoodErrors(BaseTest):
         assert "instructions for end user" in response.json["message"]
         assert "Jinja2" in response.json["message"]
         assert "unexpected '='" in response.json["message"]
+
+    def _get_next_user_task(
+        self,
+        process_instance_id: int,
+        client: FlaskClient,
+        with_super_admin_user: UserModel,
+    ) -> Any:
+        # Call this to assure all engine-steps are fully processed before we search for human tasks.
+        _dequeued_interstitial_stream(process_instance_id)
+
+        """Returns the next available user task for a given process instance, if possible."""
+        human_tasks = (
+            db.session.query(HumanTaskModel).filter(HumanTaskModel.process_instance_id == process_instance_id).all()
+        )
+        assert len(human_tasks) > 0, "No human tasks found for process."
+        human_task = human_tasks[0]
+        response = client.get(
+            f"/v1.0/tasks/{process_instance_id}/{human_task.task_id}",
+            headers=self.logged_in_headers(with_super_admin_user),
+        )
+        return response

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

@@ -3,6 +3,7 @@ import io
 import json
 import os
 import time
+from hashlib import sha256
 from typing import Any
 from typing import Dict
 
@@ -232,7 +233,6 @@ class TestProcessApi(BaseTest):
         with_db_and_bpmn_file_cleanup: None,
         with_super_admin_user: UserModel,
     ) -> None:
-        """Test_primary_process_id_updates_via_xml."""
         process_group_id = "test_group"
         process_model_id = "sample"
         process_model_identifier = f"{process_group_id}/{process_model_id}"
@@ -258,10 +258,11 @@ class TestProcessApi(BaseTest):
         updated_bpmn_file_data_string = bpmn_file_data_string.replace(old_string, new_string)
         updated_bpmn_file_data_bytes = bytearray(updated_bpmn_file_data_string, "utf-8")
         data = {"file": (io.BytesIO(updated_bpmn_file_data_bytes), bpmn_file_name)}
+        file_contents_hash = sha256(bpmn_file_data_bytes).hexdigest()
 
         modified_process_model_id = process_model_identifier.replace("/", ":")
         response = client.put(
-            f"/v1.0/process-models/{modified_process_model_id}/files/{bpmn_file_name}",
+            f"/v1.0/process-models/{modified_process_model_id}/files/{bpmn_file_name}?file_contents_hash={file_contents_hash}",
             data=data,
             follow_redirects=True,
             content_type="multipart/form-data",
@@ -780,13 +781,12 @@ class TestProcessApi(BaseTest):
         with_db_and_bpmn_file_cleanup: None,
         with_super_admin_user: UserModel,
     ) -> None:
-        """Test_process_model_file_update."""
         process_model_identifier = self.create_group_and_model_with_bpmn(client, with_super_admin_user)
         modified_process_model_id = process_model_identifier.replace("/", ":")
 
         data = {"key1": "THIS DATA"}
         response = client.put(
-            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg",
+            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg?file_contents_hash=does_not_matter",
             data=data,
             follow_redirects=True,
             content_type="multipart/form-data",
@@ -803,13 +803,12 @@ class TestProcessApi(BaseTest):
         with_db_and_bpmn_file_cleanup: None,
         with_super_admin_user: UserModel,
     ) -> None:
-        """Test_process_model_file_update."""
         process_model_identifier = self.create_group_and_model_with_bpmn(client, with_super_admin_user)
         modified_process_model_id = process_model_identifier.replace("/", ":")
 
         data = {"file": (io.BytesIO(b""), "random_fact.svg")}
         response = client.put(
-            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg",
+            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg?file_contents_hash=does_not_matter",
             data=data,
             follow_redirects=True,
             content_type="multipart/form-data",
@@ -827,30 +826,22 @@ class TestProcessApi(BaseTest):
         with_db_and_bpmn_file_cleanup: None,
         with_super_admin_user: UserModel,
     ) -> None:
-        """Test_process_model_file_update."""
         process_group_id = "test_group"
-        process_group_description = "Test Group"
+        process_model_id = "simple_form"
-        process_model_id = "random_fact"
         process_model_identifier = f"{process_group_id}/{process_model_id}"
-        self.create_process_group_with_api(client, with_super_admin_user, process_group_id, process_group_description)
+        bpmn_file_name = "simple_form.json"
-        self.create_process_model_with_api(
+        load_test_spec(
-            client,
             process_model_id=process_model_identifier,
-            user=with_super_admin_user,
+            process_model_source_directory="simple_form",
-        )
-
-        bpmn_file_name = "random_fact.bpmn"
-        original_file = load_test_spec(
-            process_model_id=process_model_id,
-            bpmn_file_name=bpmn_file_name,
-            process_model_source_directory="random_fact",
         )
+        bpmn_file_data_bytes = self.get_test_data_file_contents(bpmn_file_name, process_model_id)
+        file_contents_hash = sha256(bpmn_file_data_bytes).hexdigest()
 
         modified_process_model_id = process_model_identifier.replace("/", ":")
         new_file_contents = b"THIS_IS_NEW_DATA"
-        data = {"file": (io.BytesIO(new_file_contents), "random_fact.svg")}
+        data = {"file": (io.BytesIO(new_file_contents), bpmn_file_name)}
         response = client.put(
-            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg",
+            f"/v1.0/process-models/{modified_process_model_id}/files/{bpmn_file_name}?file_contents_hash={file_contents_hash}",
             data=data,
             follow_redirects=True,
             content_type="multipart/form-data",
@@ -862,12 +853,11 @@ class TestProcessApi(BaseTest):
         assert response.json["file_contents"] is not None
 
         response = client.get(
-            f"/v1.0/process-models/{modified_process_model_id}/files/random_fact.svg",
+            f"/v1.0/process-models/{modified_process_model_id}/files/simple_form.json",
             headers=self.logged_in_headers(with_super_admin_user),
         )
         assert response.status_code == 200
         updated_file = json.loads(response.get_data(as_text=True))
-        assert original_file != updated_file
         assert updated_file["file_contents"] == new_file_contents.decode()
 
     def test_process_model_file_delete_when_bad_process_model(
@@ -879,9 +869,6 @@ class TestProcessApi(BaseTest):
     ) -> None:
         """Test_process_model_file_update."""
         process_model_identifier = self.create_group_and_model_with_bpmn(client, with_super_admin_user)
-        # self.create_spec_file(client, user=with_super_admin_user)
-
-        # process_model = load_test_spec("random_fact")
         bad_process_model_identifier = f"x{process_model_identifier}"
         modified_bad_process_model_identifier = bad_process_model_identifier.replace("/", ":")
         response = client.delete(

spiffworkflow-backend/tests/spiffworkflow_backend/unit/test_process_instance_processor.py

@@ -434,6 +434,56 @@ class TestProcessInstanceProcessor(BaseTest):
 
         assert process_instance.status == "complete"
 
+    def test_properly_resets_process_on_tasks_with_boundary_events(
+        self,
+        app: Flask,
+        client: FlaskClient,
+        with_db_and_bpmn_file_cleanup: None,
+        with_super_admin_user: UserModel,
+    ) -> None:
+        self.create_process_group_with_api(client, with_super_admin_user, "test_group", "test_group")
+        process_model = load_test_spec(
+            process_model_id="test_group/boundary_event_reset",
+            process_model_source_directory="boundary_event_reset",
+        )
+        process_instance = self.create_process_instance_from_process_model(
+            process_model=process_model, user=with_super_admin_user
+        )
+        processor = ProcessInstanceProcessor(process_instance)
+        processor.do_engine_steps(save=True)
+        assert len(process_instance.active_human_tasks) == 1
+        human_task_one = process_instance.active_human_tasks[0]
+        spiff_manual_task = processor.bpmn_process_instance.get_task_from_id(UUID(human_task_one.task_id))
+        ProcessInstanceService.complete_form_task(
+            processor, spiff_manual_task, {}, with_super_admin_user, human_task_one
+        )
+        assert (
+            len(process_instance.active_human_tasks) == 1
+        ), "expected 1 active human tasks after 2nd one is completed"
+        assert process_instance.active_human_tasks[0].task_title == "Final"
+
+        # Reset the process back to the task within the call activity that contains a timer_boundary event.
+        reset_to_spiff_task: SpiffTask = processor.__class__.get_task_by_bpmn_identifier(
+            "manual_task_1", processor.bpmn_process_instance
+        )
+        processor.suspend()
+        processor = ProcessInstanceProcessor(process_instance)
+        ProcessInstanceProcessor.reset_process(process_instance, str(reset_to_spiff_task.id))
+        human_task_one = process_instance.active_human_tasks[0]
+        assert human_task_one.task_title == "Manual Task #1"
+        processor = ProcessInstanceProcessor(process_instance)
+        processor.manual_complete_task(str(spiff_manual_task.id), execute=True)
+        processor = ProcessInstanceProcessor(process_instance)
+        processor.resume()
+        processor.do_engine_steps(save=True)
+        process_instance = ProcessInstanceModel.query.filter_by(id=process_instance.id).first()
+
+        assert len(process_instance.active_human_tasks) == 1
+        assert process_instance.active_human_tasks[0].task_title == "Final", (
+            "once we reset, resume, and complete the task, we should be back to the Final step again, and not"
+            "stuck waiting for the call activity to complete (which was happening in a bug I'm fixing right now)"
+        )
+
     def test_properly_saves_tasks_when_running(
         self,
         app: Flask,

spiffworkflow-frontend/src/interfaces.ts

@@ -120,6 +120,7 @@ export interface ProcessFile {
   size: number;
   type: string;
   file_contents?: string;
+  file_contents_hash?: string;
 }
 
 export interface ProcessInstanceMetadata {

spiffworkflow-frontend/src/routes/ProcessInstanceShow.tsx

@@ -733,7 +733,7 @@ export default function ProcessInstanceShow({ variant }: OwnProps) {
     if ('payload' in eventToSend)
       eventToSend.payload = JSON.parse(eventPayload);
     HttpService.makeCallToBackend({
-      path: `/send-event/${modifiedProcessModelId}/${params.process_instance_id}`,
+      path: targetUris.processInstanceSendEventPath,
       httpMethod: 'POST',
       successCallback: saveTaskDataResult,
       failureCallback: addError,

spiffworkflow-frontend/src/routes/ProcessModelEditDiagram.tsx

@@ -238,6 +238,9 @@ export default function ProcessModelEditDiagram() {
       httpMethod = 'POST';
     } else {
       url += `/${fileNameWithExtension}`;
+      if (processModelFile && processModelFile.file_contents_hash) {
+        url += `?file_contents_hash=${processModelFile.file_contents_hash}`;
+      }
     }
     if (!fileNameWithExtension) {
       handleShowFileNameEditor();