From 5498d98e38e9503ccb2293243f45bc127e5272e4 Mon Sep 17 00:00:00 2001
From: caoqianming <caoqianming@foxmail.com>
Date: Sat, 19 Apr 2025 22:41:26 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20base=E5=A2=9E=E5=8A=A0PositiveDecimalFi?=
 =?UTF-8?q?eld?=
MIME-Version: 1.0
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---
 apps/utils/fields.py | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/apps/utils/fields.py b/apps/utils/fields.py
index f93a46d5..f29fb573 100644
--- a/apps/utils/fields.py
+++ b/apps/utils/fields.py
@@ -1,5 +1,9 @@
 from django.conf import settings
 from rest_framework import serializers
+from django.db.models import DecimalField
+from django.core.validators import MinValueValidator
+from django.utils.functional import cached_property
+from decimal import Decimal
 
 
 class MyFilePathField(serializers.CharField):
@@ -8,3 +12,9 @@ class MyFilePathField(serializers.CharField):
         if 'http' in value:
             return str(value)
         return settings.BASE_URL + str(value)
+
+class PositiveDecimalField(DecimalField):
+    
+    @cached_property
+    def validators(self):
+        return [MinValueValidator(Decimal('0.0'))] + super().validators
\ No newline at end of file