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manufacturing/migrations/0001_initial.py

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+# Generated by Django 6.0.3 on 2026-04-04 15:14
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('warehouse', '0003_alter_material_full_name'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='RouteStub',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=200, unique=True, verbose_name='Маршрут')),
+            ],
+            options={
+                'verbose_name': 'Маршрут',
+                'verbose_name_plural': 'Маршруты',
+            },
+        ),
+        migrations.CreateModel(
+            name='ProductEntity',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=255, verbose_name='Наименование')),
+                ('drawing_number', models.CharField(blank=True, default='', max_length=100, verbose_name='Обозначение/Чертёж')),
+                ('entity_type', models.CharField(choices=[('product', 'Готовое изделие'), ('assembly', 'Сборочная единица'), ('part', 'Деталь')], default='part', max_length=15, verbose_name='Тип')),
+                ('blank_area_m2', models.FloatField(blank=True, null=True, verbose_name='Норма: площадь заготовки (м²/шт)')),
+                ('blank_length_mm', models.FloatField(blank=True, null=True, verbose_name='Норма: длина заготовки (мм/шт)')),
+                ('dxf_file', models.FileField(blank=True, null=True, upload_to='drawings/%Y/%m/', verbose_name='Исходник (DXF/IGES/STEP)')),
+                ('pdf_main', models.FileField(blank=True, null=True, upload_to='drawings_pdf/%Y/%m/', verbose_name='Чертёж (PDF)')),
+                ('preview', models.ImageField(blank=True, null=True, upload_to='previews/%Y/%m/', verbose_name='Превью')),
+                ('planned_material', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='warehouse.material', verbose_name='Заложенный материал')),
+                ('route', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='manufacturing.routestub', verbose_name='Маршрут')),
+            ],
+            options={
+                'verbose_name': 'КД (изделие/деталь)',
+                'verbose_name_plural': 'КД (изделия/детали)',
+            },
+        ),
+        migrations.CreateModel(
+            name='BOM',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity', models.PositiveIntegerField(default=1, verbose_name='Кол-во в сборке')),
+                ('child', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='used_in', to='manufacturing.productentity', verbose_name='Что входит (деталь)')),
+                ('parent', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='components', to='manufacturing.productentity', verbose_name='Куда входит (сборка)')),
+            ],
+            options={
+                'verbose_name': 'Спецификация (BOM)',
+                'verbose_name_plural': 'Спецификации (BOM)',
+                'unique_together': {('parent', 'child')},
+            },
+        ),
+    ]