From ea08643bcda2bd867e2a3c67c638da0424ae1df5 Mon Sep 17 00:00:00 2001
From: mike cullerton <michaelc@cullerton.com>
Date: Thu, 26 Aug 2021 10:34:21 -0400
Subject: [PATCH] Script to delete files and task_events associated with a task

---
 crc/scripts/delete_task_file_data.py | 49 ++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)
 create mode 100644 crc/scripts/delete_task_file_data.py

diff --git a/crc/scripts/delete_task_file_data.py b/crc/scripts/delete_task_file_data.py
new file mode 100644
index 00000000..6ad1f529
--- /dev/null
+++ b/crc/scripts/delete_task_file_data.py
@@ -0,0 +1,49 @@
+from crc import session
+from crc.api.common import ApiError
+from crc.models.data_store import DataStoreModel
+from crc.models.file import FileModel
+from crc.models.task_event import TaskEventModel
+from crc.scripts.script import Script
+from crc.services.document_service import DocumentService
+from crc.services.file_service import FileService
+from crc.services.workflow_service import WorkflowService
+
+
+class DeleteTaskData(Script):
+
+    def get_description(self):
+        return """Delete IRB Documents and task data from a workflow, for a given task"""
+
+    def do_task_validate_only(self, task, study_id, workflow_id, *args, **kwargs):
+        if 'task_id' in kwargs:
+            return True
+        elif len(args) == 1:
+            return True
+        return False
+
+    def do_task(self, task, study_id, workflow_id, *args, **kwargs):
+        # fixme: using task_id is confusing, this is actually the name of the task_spec
+
+        # make sure we have a task_id
+        if 'task_id' in kwargs:
+            task_spec_name = kwargs['task_id']
+        else:
+            raise ApiError(code='missing_task_id',
+                           message='The delete_task_file_data requires task_id. This is the ID of the task used to upload the file(s)')
+
+        # delete task events
+        session.query(TaskEventModel).filter(TaskEventModel.workflow_id == workflow_id).filter(
+            TaskEventModel.study_id == study_id).filter(TaskEventModel.task_name == task_spec_name).filter_by(
+            action=WorkflowService.TASK_ACTION_COMPLETE).delete()
+
+        files_to_delete = session.query(FileModel). \
+            filter(FileModel.workflow_id == workflow_id). \
+            filter(FileModel.task_spec == task_spec_name).all()
+
+        # delete files
+        for file in files_to_delete:
+            FileService().delete_file(file.id)
+
+            # delete the data store
+            session.query(DataStoreModel). \
+                filter(DataStoreModel.file_id == file.id).delete()
\ No newline at end of file