serialzer user

authentication/serializers.py

@@ -0,0 +1,18 @@
+from .models import User
+from rest_framework import serializers
+
+
+class UserCreationSerializer(serializers.ModelSerializer):
+    email = serializers.EmailField(allow_null=False, allow_blank=False)
+    password = serializers.CharField(min_length=8)
+
+    class Meta:
+        model = User
+        fields = ['email', 'password']
+
+    def validate(self, attrs):
+        email_exists = User.objects.filter(email=attrs['email']).exists()
+        if email_exists:
+            raise serializers.ValidationError(detail='El email es necesario')
+        attrs['username'] = attrs['email']
+        return super().validate(attrs)