Corpus delete tasks artifacts

closes #1732 (closed)

arkindex/documents/tasks.py

@@ -21,7 +21,7 @@ from arkindex.documents.models import (
     Transcription,
     TranscriptionEntity,
 )
-from arkindex.ponos.models import Task
+from arkindex.ponos.models import Artifact, Task
 from arkindex.process.models import Process, ProcessDatasetSet, ProcessElement, WorkerActivity, WorkerRun
 from arkindex.training.models import DatasetElement, DatasetSet
 from arkindex.users.models import User
@@ -71,6 +71,8 @@ def corpus_delete(corpus_id: str) -> None:
         Selection.objects.filter(element__corpus_id=corpus_id),
         corpus.memberships.all(),
         corpus.exports.all(),
+        # Delete task artifacts
+        Artifact.objects.filter(task__process__corpus_id=corpus_id),
         # ProcessDatasetSet M2M
         ProcessDatasetSet.objects.filter(set__dataset__corpus_id=corpus_id),
         ProcessDatasetSet.objects.filter(process__corpus_id=corpus_id),