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shiftflow/management/commands/shiftflow_explode_deal.py

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+from django.core.management.base import BaseCommand
+
+from shiftflow.models import DealItem
+from shiftflow.services.bom_explosion import explode_deal
+
+
+class Command(BaseCommand):
+    help = "BOM Explosion для сделки: генерирует ProductionTask и MaterialRequirement."
+
+    def add_arguments(self, parser):
+        parser.add_argument("deal_id", type=int)
+
+    def handle(self, *args, **options):
+        deal_id = int(options["deal_id"])
+        stats = explode_deal(deal_id)
+
+        self.stdout.write(
+            self.style.SUCCESS(
+                f"OK deal={deal_id} tasks_created={stats.tasks_created} tasks_updated={stats.tasks_updated} "
+                f"req_created={stats.req_created} req_updated={stats.req_updated}"
+            )
+        )
+
+        if stats.tasks_created == 0 and stats.tasks_updated == 0 and stats.req_created == 0 and stats.req_updated == 0:
+            di_count = DealItem.objects.filter(deal_id=deal_id).count()
+            if di_count == 0:
+                self.stdout.write('Подсказка: в сделке нет позиций (DealItem). Добавь DealItem и повтори команду.')
+            else:
+                self.stdout.write('Подсказка: проверь заполнение BOM и норм расхода (blank_area_m2/blank_length_mm) на leaf-деталях.')