feat: new module for daily settlement

settlement/models.py

@@ -0,0 +1,49 @@
+"""日结模块数据模型"""
+from django.db import models
+from flower.common import ModelBase
+
+
+class NotificationChannelEnum(models.TextChoices):
+    """通知渠道枚举"""
+    WECOM = 'wecom', '企业微信'
+    NONE = 'none', '不通知'
+
+
+class SettlementModuleEnum(models.TextChoices):
+    """日结模块枚举"""
+    PLATE_ORDER = 'plate_order', '开版订单'
+    PRINTING_ORDER = 'printing_order', '生产订单'
+
+
+class DailySettlementConfig(ModelBase):
+    """日结配置 - 每个商户一条记录（可选）"""
+    id = models.BigAutoField(primary_key=True)
+    merchant = models.OneToOneField(
+        'basic_info.Merchant',
+        on_delete=models.CASCADE,
+        related_name='settlement_config',
+        verbose_name='所属商户'
+    )
+    
+    # 统计模块配置（JSON数组，存储枚举值）
+    settlement_modules = models.JSONField(
+        default=list,
+        verbose_name='统计模块',
+        help_text='例如: ["plate_order", "printing_order"]'
+    )
+    
+    # 通知配置
+    notification_enabled = models.BooleanField(default=False, verbose_name='启用通知')
+    notification_channel = models.CharField(
+        max_length=20,
+        choices=NotificationChannelEnum.choices,
+        default=NotificationChannelEnum.NONE,
+        verbose_name='通知渠道'
+    )
+    
+    # 其他配置
+    description = models.TextField(blank=True, null=True, verbose_name='备注')
+    
+    class Meta:
+        verbose_name = '日结配置'
+        verbose_name_plural = '日结配置'