feat: sse && multi_merchant completed

stock/admin.py

@@ -29,7 +29,6 @@ class InventoryAdmin(StockAdminBase):
         'warehouse',
         'quantity',
         'num_of_rolls',
-        'minimum_quantity',
         'frozen_quantity',
         'updated_at',
     )

stock/migrations/0003_remove_inventory_minimum_quantity.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2.7 on 2025-11-10 07:52
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('stock', '0002_stockfreeze'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='inventory',
+            name='minimum_quantity',
+        ),
+    ]

stock/models.py

@@ -206,7 +206,7 @@ class Inventory(ModelBase):
     )
     quantity = models.DecimalField(max_digits=10, decimal_places=2, verbose_name='库存数量')
     num_of_rolls = models.IntegerField(default=1, verbose_name='匹数')
-    minimum_quantity = models.IntegerField(null=True, blank=True, verbose_name='最低库存量')
+    # minimum_quantity = models.IntegerField(null=True, blank=True, verbose_name='最低库存量')
     spec = models.CharField(max_length=100, blank=True, null=True, verbose_name='规格')
     description = models.TextField(blank=True, null=True, verbose_name='备注描述')
 

stock/services.py

@@ -1,6 +1,7 @@
 from . import models
 from django.db.models import Sum
 from django.utils import timezone
+from sse.services import push_simple_message_with_object_id
 import logging
 
 
@@ -84,13 +85,10 @@ def make_stock_change_completed(stock_change_record: models.StockChangeRecord) -
             # 更新现有库存记录
             inventory_record.quantity += detail.quantity * positive
             inventory_record.num_of_rolls += positive
-            
             logger.info(
                 f'更新库存记录 {inventory_record.id}，新数量: {inventory_record.quantity}, '
                 f'新匹数: {inventory_record.num_of_rolls}'
             )
-
-            inventory_record.save()
         else:
             # 创建新库存记录
             inventory_record = models.Inventory(
@@ -100,11 +98,17 @@ def make_stock_change_completed(stock_change_record: models.StockChangeRecord) -
                 quantity=detail.quantity * positive,
                 num_of_rolls=1 if stock_change_record.is_incoming else -1,
             )
-            inventory_record.save()
             logger.info(
                 f'创建新库存记录 {inventory_record.id}，数量: {inventory_record.quantity}, '
                 f'匹数: {inventory_record.num_of_rolls}'
             )
+        inventory_record.save()
+        # 发送库存变动通知
+        push_simple_message_with_object_id(
+            event_type='stock_change',
+            message=f'产品ID {detail.product_id} 位于 {stock_change_record.warehouse_id} 的库存已更新',
+            object_id=inventory_record.id
+        )
 
         # 无论库存记录原本是否存在都创建库存快照
         create_stock_snapshot(detail, inventory_record)

stock/views.py

@@ -1,9 +0,0 @@
-from ninja import NinjaAPI
-
-
-router = NinjaAPI()
-
-
-@router.get('/')
-async def index(request):
-    return {'message': 'Welcome to the Stock API'}