Further improve stuff nad add model fro print jobs

shimatta_kenkyusho/parts/migrations/0008_auto_20220101_1250.py

@@ -0,0 +1,34 @@
+# Generated by Django 3.2.5 on 2022-01-01 12:50
+
+from django.conf import settings
+import django.core.validators
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('parts', '0007_stock_lot'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='stock',
+            name='lot',
+            field=models.CharField(blank=True, default='', max_length=255),
+            preserve_default=False,
+        ),
+        migrations.CreateModel(
+            name='QrPrintJob',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, unique=True)),
+                ('qrdata', models.CharField(blank=True, max_length=256)),
+                ('text', models.TextField(blank=True, max_length=512)),
+                ('print_count', models.PositiveIntegerField(default=1, validators=[django.core.validators.MinValueValidator(0), django.core.validators.MaxValueValidator(32)])),
+                ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+    ]