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import re
from users.models import User
from django_redis import get_redis_connection
from rest_framework import serializers
class CreateUserSerializer(serializers.ModelSerializer):
password = serializers.CharField(write_only=True, label='password)
password2 = serializers.CharField(write_only=True, label='password2')
sms_code = serializers.CharField(write_only=True, label='sms_code')
allow = serializers.CharField(write_only=True, label='allow')
class Meta:
model = User
fields = ('id','username', 'password', 'password2', 'sms_code', 'allow', 'mobile')
# 对用户名进行校验
extar_kwargs = {
'username': {
'min_length': 5,
'max_length': 20,
'error_messages': {
'min_length': '用户名长度不能小于5',
'max_length': '用户名长度不能大于20',
}
}
}
# 保存数据
def create(self, validated_data):
## 1.获取数据
# username = validated_data['username']
# password = validated_data['password']
# password2 = validated_data['password2']
mobile = validated_data['mobile']
# sms_code = validated_data['sms_code']
# allow = validated_data['allow']
## 2.校验数据
# 验证手机号是否符合要求
if not re.match(r'1[3-9]\d{9}$', validated_data['mobile']):
# raise 返回数据（不会将数据返回显示到前端）。 return 返回数据(它会返回出去给前段)
raise serializers.ValidationError('手机号格式错误')
# 判断手机号是否注册
try:
user = User.objects.get(mobile=mobile)
except User.DoesNotExist:
pass
else:
raise serializers.ValidationError('手机号已注册')
# 同意用户勾选
if validated_data['allow'] != 'true':
raise serializers.ValidationError('请同意用户协议')
# 密码校验
if validated_data['password'] != validated_data['password2']:
raise serializers.ValidationError('两次密码不一致')
# 验证码验证
redis_conn = get_redis_connection('verify_codes')
# 获取短信验证码
redis_sms_code = redis_conn.get('sms_%s' % mobile)
if redis_sms_code.decode() != validated_data['sms_code']:
raise serializers.ValidationError('短信验证码错误')
## 3.保存数据
# 删除不需要保存的数据
del validated_data['password2']
del validated_data['sms_code']
del validated_data['allow']
# 获取反序列化后的数据
# super() 继承序列化器类
# 创建对象
user=super().create(validated_data)
# 生成token
# 密码保存之前需要进行加密处理
# 加密后的密码保存到数据库
user.set_password(validated_data['password'])
user.save()
# # 生成token
# serializer = TokenSerializer(data={
# 'user': user.id
# })
# serializer.is_valid(raise_exception=True)
# token = serializer.validated_data['token']
## 4.返回数据
return user
# return {
# 'mobile': user.mobile,
# 'username': user.username,
# 'token': token
# }
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