# Generated by Django 6.0.3 on 2026-03-29 14:16

import django.db.models.deletion
from django.db import migrations, models


class Migration(migrations.Migration):

    initial = True

    dependencies = [
    ]

    operations = [
        migrations.CreateModel(
            name='MaterialCategory',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=100, unique=True, verbose_name='Название категории')),
            ],
            options={
                'verbose_name': 'Категория материала',
                'verbose_name_plural': 'Категории материалов',
            },
        ),
        migrations.CreateModel(
            name='SteelGrade',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=100, unique=True, verbose_name='Марка стали')),
                ('gost_standard', models.CharField(blank=True, help_text='Основной стандарт для этой марки', max_length=255, verbose_name='ГОСТ/ТУ')),
                ('certificate_pdf', models.FileField(blank=True, null=True, upload_to='certificates/', verbose_name='Сертификат/ГОСТ (PDF)')),
            ],
            options={
                'verbose_name': 'Марка стали',
                'verbose_name_plural': 'Марки стали',
            },
        ),
        migrations.CreateModel(
            name='Material',
            fields=[
                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                ('name', models.CharField(max_length=255, verbose_name='Наименование (размер/характеристики)')),
                ('full_name', models.CharField(blank=True, help_text='Генерируется автоматически, если пусто', max_length=500, verbose_name='Полное наименование')),
                ('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='warehouse.materialcategory', verbose_name='Категория')),
                ('steel_grade', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='warehouse.steelgrade', verbose_name='Марка стали')),
            ],
            options={
                'verbose_name': 'Материал (номенклатура)',
                'verbose_name_plural': 'Материалы',
            },
        ),
    ]