feat: new field for SalesItem model

shipment/admin.py

@@ -5,7 +5,7 @@ from .models import Shipment, SalesItem
 class SalesItemInline(admin.TabularInline):
     model = SalesItem
     extra = 1
-    fields = ['name', 'quantity', 'unit', 'printing_job_id', 'customer_id', 'created_by']
+    fields = ['name', 'quantity', 'unit', 'position', 'remark', 'printing_job_id', 'customer_id', 'created_by']
     readonly_fields = ['created_by']
 
 
@@ -38,9 +38,9 @@ class ShipmentAdmin(admin.ModelAdmin):
 
 @admin.register(SalesItem)
 class SalesItemAdmin(admin.ModelAdmin):
-    list_display = ['id', 'name', 'quantity', 'unit', 'shipment_status', 'printing_job_id', 'customer_id', 'created_by', 'created_at']
+    list_display = ['id', 'name', 'quantity', 'unit', 'position', 'shipment_status', 'printing_job_id', 'customer_id', 'created_by', 'created_at']
     list_filter = ['unit', 'created_at', ('shipment', admin.EmptyFieldListFilter)]
-    search_fields = ['name', 'shipment__customer__name']
+    search_fields = ['name', 'shipment__customer__name', 'position', 'remark']
     readonly_fields = ['created_at', 'updated_at', 'created_by']
     raw_id_fields = ['shipment']
     

shipment/migrations/0003_salesitem_position_remark.py

@@ -0,0 +1,23 @@
+# Generated by Django 5.2.8 on 2026-01-13 11:07
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('shipment', '0002_salesitem_shipment_nullable'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='salesitem',
+            name='position',
+            field=models.CharField(blank=True, default='', max_length=200, verbose_name='货位'),
+        ),
+        migrations.AddField(
+            model_name='salesitem',
+            name='remark',
+            field=models.CharField(blank=True, default='', max_length=200, verbose_name='备注'),
+        ),
+    ]

shipment/models.py

@@ -115,6 +115,20 @@ class SalesItem(ModelBase):
         help_text='销售品级别的客户ID（可空）'
     )
     
+    position = models.CharField(
+        max_length=200,
+        blank=True,
+        default='',
+        verbose_name='货位'
+    )
+    
+    remark = models.CharField(
+        max_length=200,
+        blank=True,
+        default='',
+        verbose_name='备注'
+    )
+    
     class Meta:
         db_table = 'sales_item'
         verbose_name = '销售品'