Migrate ArchivedProjects and associated objects to ActiveProjects. Ref …

…#2166.

Note that we do not migrate files. Files for archived projects will remain in the pn-media/archived-projects subfolder. We should migrate them to pn-media/active-projects later.

physionet-django/project/migrations/0074_migrate_archived_to_active.py

@@ -0,0 +1,69 @@
+from django.db import migrations
+from django.contrib.contenttypes.models import ContentType
+from project.models import SubmissionStatus
+
+
+def migrate_archived_to_active(apps, schema_editor):
+    """
+    Copy all ArchivedProject data to the ActiveProject model.
+    """
+    AnonymousAccess = apps.get_model("project", "AnonymousAccess")
+    ActiveProject = apps.get_model("project", "ActiveProject")
+    ArchivedProject = apps.get_model("project", "ArchivedProject")
+    Author = apps.get_model("project", "Author")
+    CopyeditLog = apps.get_model("project", "CopyeditLog")
+    EditLog = apps.get_model("project", "EditLog")
+    Log = apps.get_model("project", "Log")
+    Publication = apps.get_model("project", "Publication")
+    Reference = apps.get_model("project", "Reference")
+    Topic = apps.get_model("project", "Topic")
+    UploadedDocument = apps.get_model("project", "UploadedDocument")
+
+    # Get content types for both models
+    archived_project_type = ContentType.objects.get_for_model(ArchivedProject)
+    active_project_type = ContentType.objects.get_for_model(ActiveProject)
+
+    for archived_project in ArchivedProject.objects.all():
+        # Create a new ActiveProject instance
+        active_project = ActiveProject(
+            submission_status=SubmissionStatus.ARCHIVED.value,
+        )
+        for attr in [f.name for f in ArchivedProject._meta.fields]:
+            if attr != 'id':
+                setattr(active_project, attr, getattr(archived_project, attr))
+        active_project.save()
+
+        # Migrate references, authors, logs, etc from ArchivedProject to ActiveProject
+        for model in [Reference,
+                      Author,
+                      Log,
+                      AnonymousAccess,
+                      Topic,
+                      Publication,
+                      UploadedDocument,
+                      EditLog,
+                      CopyeditLog]:
+            items = model.objects.filter(
+                content_type_id=archived_project_type.id, object_id=archived_project.id
+            )
+            for item in items:
+                item.content_type_id = active_project_type.id
+                item.object_id = active_project.id
+                item.save()
+
+        # Delete the archived project
+        archived_project.delete()
+
+
+def migrate_backward(apps, schema_editor):
+    pass
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("project", "0073_activeproject_archive_datetime"),
+    ]
+
+    operations = [
+        migrations.RunPython(migrate_archived_to_active, migrate_backward),
+    ]