feat(organizations): migrate source storage to polymorphic records

src/organizations/management/commands/backfill_organization_sources.py

@@ -0,0 +1,55 @@
+"""Backfill polymorphic organization source extensions."""
+
+from __future__ import annotations
+
+import json
+
+from apps.core.management.commands.base import BaseAppCommand
+
+from organizations.source_backfill import OrganizationSourceBackfillService
+
+
+class Command(BaseAppCommand):
+    """Backfill organization source extensions from legacy parser tables."""
+
+    help = "Переносит legacy parser records в polymorphic source extensions"
+    use_transaction = False
+
+    def add_arguments(self, parser) -> None:
+        super().add_arguments(parser)
+        parser.add_argument(
+            "--source",
+            dest="source",
+            default=None,
+            help="Источник ParserLoadLog.Source. Если не задан, обрабатываются все.",
+        )
+        parser.add_argument(
+            "--batch-id",
+            dest="batch_id",
+            type=int,
+            default=None,
+            help="Ограничить перенос одним load_batch.",
+        )
+
+    def execute_command(self, *args, **options) -> str:
+        result = OrganizationSourceBackfillService.backfill(
+            source=options.get("source"),
+            batch_id=options.get("batch_id"),
+        )
+        rendered = json.dumps(
+            {
+                "scanned": result.scanned,
+                "created_organizations": result.created_organizations,
+                "created_extensions": result.created_extensions,
+                "updated_extensions": result.updated_extensions,
+                "created_records": result.created_records,
+                "updated_records": result.updated_records,
+                "created_financial_lines": result.created_financial_lines,
+                "updated_financial_lines": result.updated_financial_lines,
+                "unresolved": result.unresolved,
+            },
+            ensure_ascii=False,
+            sort_keys=True,
+        )
+        self.log_success(rendered)
+        return rendered