Feat urls (#257)

add new URLS, add swaggger doc, add tests

users/serializers.py

@@ -1,4 +1,7 @@
+from django.conf import settings
+from django.contrib.auth import authenticate
 from rest_framework import serializers
+from rest_framework.authtoken.models import Token
 
 from .models import User
 
@@ -77,3 +80,46 @@ class UserDetailSerializer(serializers.ModelSerializer):
             "default_channel_edit_url",
         )
         extra_kwargs = {"name": {"required": False}}
+
+
+class LoginSerializer(serializers.Serializer):
+    email = serializers.CharField(max_length=255, required=False)
+    username = serializers.CharField(max_length=255, required=False)
+    password = serializers.CharField(max_length=128, write_only=True)
+    token = serializers.CharField(max_length=255, required=False)
+
+    def validate(self, data):
+        email = data.get('email', None)
+        username = data.get('username', None)
+        password = data.get('password', None)
+
+        if settings.ACCOUNT_AUTHENTICATION_METHOD == 'username' and not username:
+            raise serializers.ValidationError('username is required to log in.')
+        else:
+            username_or_email = username
+        if settings.ACCOUNT_AUTHENTICATION_METHOD == 'email' and not email:
+            raise serializers.ValidationError('email is required to log in.')
+        else:
+            username_or_email = email
+
+        if settings.ACCOUNT_AUTHENTICATION_METHOD == 'username_email' and not (username or email):
+            raise serializers.ValidationError('username or email is required to log in.')
+        else:
+            username_or_email = username or email
+
+        if password is None:
+            raise serializers.ValidationError('password is required to log in.')
+
+        user = authenticate(username=username_or_email, password=password)
+
+        if user is None:
+            raise serializers.ValidationError('User not found.')
+
+        if not user.is_active:
+            raise serializers.ValidationError('User has been deactivated.')
+
+        token = Token.objects.filter(user=user).first()
+        if not token:
+            token = Token.objects.create(user=user)
+
+        return {'email': user.email, 'username': user.username, 'token': token.key}