initial commit

users/serializers.py

@@ -0,0 +1,39 @@
+from django.contrib.auth import authenticate
+from rest_framework import serializers
+from django.contrib.auth.models import User, Group
+
+
+class UserSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = User
+        fields = ["url", "username", "email", "password", "groups"]
+
+
+class GroupSerializer(serializers.HyperlinkedModelSerializer):
+    class Meta:
+        model = Group
+        fields = ["url", "name"]
+
+
+class AuthSerializer(serializers.Serializer):
+    username = serializers.CharField()
+    password = serializers.CharField(
+        style={"input_type": "password"}, trim_whitespace=False
+    )
+
+    def validate(self, attrs):
+        username = attrs.get("username")
+        password = attrs.get("password")
+
+        user = authenticate(
+            request=self.context.get("request"),
+            username=username,
+            password=password,
+        )
+
+        if not user:
+            msg = f"Invalid username or password."
+            raise serializers.ValidationError(msg, code="authentication")
+
+        attrs["user"] = user
+        return