# 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')},
            },
        ),
    ]