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auth.py
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auth.py
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"""Example schema for django auth. """
import graphene
from django.contrib.auth import authenticate, get_user_model, login, logout
from django.contrib.auth.password_validation import validate_password
import graphene_django_tools as gdtools
User = get_user_model() # pylint: disable=invalid-name
class UserMutation(gdtools.ModelMutation):
"""Additional actions for user. """
class Meta:
abstract = True
@classmethod
def premutate(cls, context: gdtools.ModelMutationContext):
super().premutate(context)
password = context.mapping.get('password')
if password:
validate_password(password)
@classmethod
def postmutate(cls,
context: gdtools.ModelMutationContext,
payload: graphene.ObjectType) -> graphene.ObjectType:
password = context.mapping.get('password')
if password:
context.instance.set_password(password)
context.instance.full_clean()
return super().postmutate(context, payload)
class CreateUser(UserMutation, gdtools.ModelCreationMutation):
"""Create user. """
class Meta:
model = User
fields = ('username', 'password', 'first_name', 'last_name', 'email')
require = ('username', 'password')
class UpdateUser(UserMutation, gdtools.ModelUpdateMutation):
"""Update user. """
class Meta:
model = User
fields = ('username', 'password', 'first_name', 'last_name', 'email')
class Login(gdtools.NodeMutation):
"""Login current user. """
class Arguments:
username = graphene.String(required=True)
password = graphene.String(required=True)
user = gdtools.ModelField(User)
@classmethod
def mutate(cls, context: gdtools.ModelMutationContext):
request = context.info.context
user = authenticate(**context.arguments)
if not user:
raise ValueError('Login failed.')
login(request, user)
return cls(user=user)
class Logout(gdtools.NodeMutation):
"""Logout current user. """
@classmethod
def mutate(cls, context: gdtools.ModelMutationContext):
logout(context.info.context)
return cls()