Password init

views.py

# Views
from rest_framework.generics import CreateAPIView
from rest_framework.response import Response

class PasswordInitializeAPIView(CreateAPIView):
    serializer_class = serializers.PasswordInitSerializer

    def create(self, request, *args, **kwargs):
        self.check_permissions(request)
        serializer = self.get_serializer(data=request.data)
        serializer.is_valid(raise_exception=True)
        self.perform_create(serializer)
        return Response(status=status.HTTP_201_CREATED)

# Serializers
from rest_framework import serializers

class PasswordInitSerializer(serializers.Serializer):
    
    new_password = serializers.CharField(max_length=128)
    form_class = forms.PasswordInitForm

    def __init__(self, *args, **kwargs):
        self.request = self.context.get('request')
        self.user = getattr(self.request, 'user', None)
        super(PasswordInitSerializer, self).__init__(*args, **kwargs)

    def validate(self, attrs):
        self.set_password_form = self.form_class(
            user=self.user, 
            data=attrs
        )
        if not self.form_class.is_valid():
            raise serializers.ValidationError(self.set_password_form.errors)
        return attrs

    def save(self):
        self.set_password_form.save()
        self.user.has_password = True
        self.user.save()
        
# Forms
from django import forms
from django.contrib.auth import password_validation

class PasswordInitForm(forms.Form):
    new_password = forms.CharField(
        label=_("새로운 비밀번호", ''),
        widget=forms.PasswordInput,
        strip=False,
        help_text=password_validation.password_validators_help_text_html(),
    )

    def __init__(self, user, *args, **kwargs):
        self.user = user
        super().__init__(*args, **kwargs)

    def clean_new_password(self):
        password = self.cleaned_data.get('new_password')
        password_validation.validate_password(password, self.user)
        return password

    def save(self, commit=True):
        password = self.cleaned_data["new_password"]
        self.user.set_password(password)
        if commit:
            self.user.save()
        return self.user