fix: business.object_id maybe null, missing parameters when plate-Order cloned

stateflow/management/__init__.py

@@ -0,0 +1,3 @@
+# Package marker for Django management commands.
+
+

stateflow/management/commands/__init__.py

@@ -0,0 +1,3 @@
+# Package marker for Django management commands.
+
+

stateflow/management/commands/repair_business_object_bindings.py

@@ -0,0 +1,124 @@
+from django.contrib.contenttypes.models import ContentType
+from django.core.management.base import BaseCommand
+from django.db import transaction
+
+from printing import models as printing_models
+from stateflow import services as stateflow_services
+
+
+class Command(BaseCommand):
+    help = (
+        "修复 printing 相关模型（PrintingJob/PlateOrder）所关联的 BusinessObject 的 "
+        "content_type/object_id/name 绑定（用于历史数据回填与一致性修复）。"
+    )
+
+    def add_arguments(self, parser):
+        parser.add_argument(
+            '--dry-run',
+            action='store_true',
+            help='只输出统计，不写入数据库',
+        )
+        parser.add_argument(
+            '--limit',
+            type=int,
+            default=None,
+            help='最多处理多少条记录（用于分批回填）',
+        )
+        parser.add_argument(
+            '--only',
+            choices=['printingjob', 'plateorder', 'all'],
+            default='all',
+            help='仅修复指定类型（默认 all）',
+        )
+
+    def handle(self, *args, **options):
+        dry_run: bool = options['dry_run']
+        limit: int | None = options['limit']
+        only: str = options['only']
+
+        # 提前确保 ContentType 可用（也用于输出校验信息）
+        ct_job = ContentType.objects.get_for_model(printing_models.PrintingJob)
+        ct_po = ContentType.objects.get_for_model(printing_models.PlateOrder)
+
+        self.stdout.write(f"dry_run={dry_run} only={only} limit={limit}")
+        self.stdout.write(f"ContentType: PrintingJob={ct_job.id}, PlateOrder={ct_po.id}")
+
+        stats = {
+            'printingjob_total': 0,
+            'printingjob_updated': 0,
+            'plateorder_total': 0,
+            'plateorder_updated': 0,
+        }
+
+        def _iter_qs(qs):
+            if limit:
+                return qs.order_by('id')[:limit]
+            return qs.order_by('id')
+
+        # 用事务包住，避免部分更新（dry-run 仍使用事务，最后标记回滚）
+        with transaction.atomic():
+            if only in ('printingjob', 'all'):
+                qs = (
+                    printing_models.PrintingJob.objects
+                    .select_related('business_object')
+                    .filter(business_object__isnull=False)
+                )
+                for job in _iter_qs(qs):
+                    stats['printingjob_total'] += 1
+                    bo = job.business_object
+                    should_fix = (
+                        bo.content_type_id != ct_job.id
+                        or bo.object_id != job.id
+                        or not (bo.name or '').strip()
+                    )
+                    if not should_fix:
+                        continue
+
+                    if dry_run:
+                        stats['printingjob_updated'] += 1
+                        continue
+
+                    if stateflow_services.ensure_business_object_bound_to_instance(
+                        bo,
+                        job,
+                        default_name=f"PrintingJob-{job.id}",
+                    ):
+                        stats['printingjob_updated'] += 1
+
+            if only in ('plateorder', 'all'):
+                qs = (
+                    printing_models.PlateOrder.objects
+                    .select_related('business_object')
+                    .filter(business_object__isnull=False)
+                )
+                for po in _iter_qs(qs):
+                    stats['plateorder_total'] += 1
+                    bo = po.business_object
+                    should_fix = (
+                        bo.content_type_id != ct_po.id
+                        or bo.object_id != po.id
+                        or not (bo.name or '').strip()
+                    )
+                    if not should_fix:
+                        continue
+
+                    if dry_run:
+                        stats['plateorder_updated'] += 1
+                        continue
+
+                    if stateflow_services.ensure_business_object_bound_to_instance(
+                        bo,
+                        po,
+                        default_name=f"PlateOrder-{po.id}",
+                    ):
+                        stats['plateorder_updated'] += 1
+
+            if dry_run:
+                # dry-run：显式回滚（即便未来误加了写逻辑，也不会落库）
+                transaction.set_rollback(True)
+
+        self.stdout.write(self.style.SUCCESS("Done."))
+        for k in sorted(stats.keys()):
+            self.stdout.write(f"{k}={stats[k]}")
+
+