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core/apps/management/migrations/0001_initial.py

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+# Generated by Django 6.0.2 on 2026-02-04 12:15
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='District',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Region',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Device',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100)),
+                ('toys_count', models.PositiveIntegerField(default=0)),
+                ('monthly_fee', models.DecimalField(decimal_places=2, max_digits=10)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('district', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='management.district')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='district',
+            name='region',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='districts', to='management.region'),
+        ),
+        migrations.CreateModel(
+            name='Warehouse',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=100, unique=True)),
+                ('toys_count', models.PositiveIntegerField(default=0)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('region', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, related_name='warehouses', to='management.region')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ToyMovement',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('movement_type', models.CharField(choices=[('from_warehouse', 'Warehouse → Device'), ('to_device', 'Device refill'), ('between_warehouses', 'Warehouse → Warehouse')], max_length=30)),
+                ('quantity', models.PositiveIntegerField()),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('created_by', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to=settings.AUTH_USER_MODEL)),
+                ('device', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, to='management.device')),
+                ('from_warehouse', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='outgoing', to='management.warehouse')),
+                ('to_warehouse', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.PROTECT, related_name='incoming', to='management.warehouse')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='device',
+            name='warehouse',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='management.warehouse'),
+        ),
+        migrations.AlterUniqueTogether(
+            name='district',
+            unique_together={('region', 'name')},
+        ),
+    ]