66 lines
2.8 KiB
Python
66 lines
2.8 KiB
Python
from django.db.models.signals import pre_save, post_save
|
|
from django.dispatch import receiver
|
|
from .models import Order
|
|
from .sms_utils import notify_admins_order_paid, notify_user_order_paid, notify_user_order_shipped
|
|
|
|
@receiver(pre_save, sender=Order)
|
|
def track_order_changes(sender, instance, **kwargs):
|
|
"""
|
|
在保存之前检查状态变化
|
|
"""
|
|
if instance.pk:
|
|
try:
|
|
old_instance = Order.objects.get(pk=instance.pk)
|
|
|
|
# 检查是否从非支付状态变为支付状态
|
|
if old_instance.status != 'paid' and instance.status == 'paid':
|
|
instance._was_paid = True
|
|
|
|
# 检查是否发货 (状态变为 shipped 且有单号)
|
|
# 或者已经是 shipped 状态但刚填入单号
|
|
if instance.status == 'shipped' and instance.tracking_number:
|
|
if old_instance.status != 'shipped' or not old_instance.tracking_number:
|
|
instance._was_shipped = True
|
|
|
|
except Order.DoesNotExist:
|
|
pass
|
|
|
|
@receiver(post_save, sender=Order)
|
|
def send_order_notifications(sender, instance, created, **kwargs):
|
|
"""
|
|
在保存之后发送通知
|
|
"""
|
|
if created:
|
|
return
|
|
|
|
# 1. 处理支付成功通知
|
|
if getattr(instance, '_was_paid', False):
|
|
try:
|
|
# 只有当订单不是活动订单时才发送普通支付成功短信
|
|
# 活动订单会在 views.py 中单独处理（发送报名成功短信）
|
|
if not (hasattr(instance, 'activity') and instance.activity):
|
|
print(f"订单 {instance.id} 支付成功，触发短信通知流程...")
|
|
notify_admins_order_paid(instance)
|
|
notify_user_order_paid(instance)
|
|
else:
|
|
print(f"订单 {instance.id} 是活动订单，跳过普通支付短信通知（已在 views.py 处理）")
|
|
|
|
# 清除标记防止重复发送 (虽然实例通常是新的，但保险起见)
|
|
instance._was_paid = False
|
|
except Exception as e:
|
|
print(f"发送支付成功短信失败: {str(e)}")
|
|
|
|
# 2. 处理发货通知
|
|
if getattr(instance, '_was_shipped', False):
|
|
try:
|
|
# 同样，活动订单不需要发送发货短信（通常活动无需发货）
|
|
if not (hasattr(instance, 'activity') and instance.activity):
|
|
print(f"订单 {instance.id} 已发货，触发短信通知流程...")
|
|
notify_user_order_shipped(instance)
|
|
else:
|
|
print(f"订单 {instance.id} 是活动订单，跳过发货短信通知")
|
|
|
|
instance._was_shipped = False
|
|
except Exception as e:
|
|
print(f"发送发货短信失败: {str(e)}")
|