completed authentication serializers

authentication/serializers.py

@@ -0,0 +1,32 @@
+from django.contrib.auth.models import User
+from rest_framework import serializers
+
+
+class UserSerializer(serializers.ModelSerializer):
+    password = serializers.CharField(max_length=65, min_length=8, write_only=True)
+    email = serializers.EmailField(max_length=255)
+    first_name = serializers.CharField(max_length=255)
+    last_name = serializers.CharField(max_length=255)
+
+    class Meta:
+        model = User
+        fields = ["username", "first_name", "last_name", "email", "password"]
+
+    def validate(self, attrs):
+
+        email = attrs.get("email", "")
+        if User.objects.filter(email=email).exists():
+            raise serializers.ValidationError({"error": "Email is already in use"})
+        return super().validate(attrs)
+
+    def create(self, validated_data):
+        return User.objects.create_user(**validated_data)
+
+
+class LoginSerializer(serializers.ModelSerializer):
+    password = serializers.CharField(max_length=65)
+    username = serializers.CharField(max_length=255)
+
+    class Meta:
+        model = User
+        fields = ["username", "password"]