Initial commit: Django inventory system

myproject/inventory/migrations/0001_initial.py

@@ -0,0 +1,48 @@
+# Generated by Django 5.2.7 on 2025-10-21 14:41
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('orders', '0001_initial'),
+        ('products', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Stock',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('quantity_available', models.DecimalField(decimal_places=3, default=0, max_digits=10, verbose_name='Доступное количество')),
+                ('quantity_reserved', models.DecimalField(decimal_places=3, default=0, max_digits=10, verbose_name='Зарезервированное количество')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='Дата обновления')),
+                ('product', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, related_name='stock', to='products.product', verbose_name='Товар')),
+            ],
+            options={
+                'verbose_name': 'Остаток на складе',
+                'verbose_name_plural': 'Остатки на складе',
+                'indexes': [models.Index(fields=['product'], name='inventory_s_product_4c1da7_idx')],
+            },
+        ),
+        migrations.CreateModel(
+            name='StockMovement',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('change', models.DecimalField(decimal_places=3, max_digits=10, verbose_name='Изменение')),
+                ('reason', models.CharField(choices=[('purchase', 'Закупка'), ('sale', 'Продажа'), ('write_off', 'Списание'), ('adjustment', 'Корректировка')], max_length=20, verbose_name='Причина')),
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='Дата создания')),
+                ('order', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='stock_movements', to='orders.order', verbose_name='Заказ')),
+                ('product', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='movements', to='products.product', verbose_name='Товар')),
+            ],
+            options={
+                'verbose_name': 'Движение товара',
+                'verbose_name_plural': 'Движения товаров',
+                'indexes': [models.Index(fields=['product'], name='inventory_s_product_cbdc37_idx'), models.Index(fields=['created_at'], name='inventory_s_created_05ebf5_idx')],
+            },
+        ),
+    ]