feat: stock module

stock/migrations/0020_stockchangerecord.py

@@ -0,0 +1,28 @@
+# Generated by Django 5.2.7 on 2025-11-04 05:51
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0019_alter_inventory_unique_together'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StockChangeRecord',
+            fields=[
+                ('created_at', models.DateTimeField(auto_now_add=True, verbose_name='创建时间')),
+                ('updated_at', models.DateTimeField(auto_now=True, verbose_name='更新时间')),
+                ('id', models.BigAutoField(primary_key=True, serialize=False)),
+                ('type', models.IntegerField(choices=[(1, '入库'), (2, '出库')], verbose_name='变动类型')),
+                ('source_type', models.IntegerField(choices=[(1, '采购'), (2, '销退'), (3, '调入'), (4, '盘盈'), (5, '销售'), (6, '采购退货'), (7, '调出'), (8, '盘亏')], verbose_name='变动来源')),
+                ('remarks', models.TextField(blank=True, null=True, verbose_name='备注')),
+            ],
+            options={
+                'verbose_name': '出入库记录',
+                'verbose_name_plural': '出入库记录',
+            },
+        ),
+    ]