from django.forms import widgets from django.shortcuts import get_object_or_404 from django.utils.translation import ugettext_lazy as _ from rest_framework import serializers from orchestra.api.serializers import HyperlinkedModelSerializer from orchestra.contrib.accounts.serializers import AccountSerializerMixin from orchestra.core.validators import validate_password from .models import Database, DatabaseUser class RelatedDatabaseUserSerializer(AccountSerializerMixin, serializers.HyperlinkedModelSerializer): class Meta: model = DatabaseUser fields = ('url', 'username') def from_native(self, data, files=None): queryset = self.opts.model.objects.filter(account=self.account) return get_object_or_404(queryset, username=data['username']) class DatabaseSerializer(AccountSerializerMixin, HyperlinkedModelSerializer): users = RelatedDatabaseUserSerializer(many=True, allow_add_remove=True) class Meta: model = Database fields = ('url', 'name', 'type', 'users') postonly_fields = ('name', 'type') def validate(self, attrs): for user in attrs['users']: if user.type != attrs['type']: raise serializers.ValidationError("User type must be" % attrs['type']) return attrs class RelatedDatabaseSerializer(AccountSerializerMixin, serializers.HyperlinkedModelSerializer): class Meta: model = Database fields = ('url', 'name',) def from_native(self, data, files=None): queryset = self.opts.model.objects.filter(account=self.account) return get_object_or_404(queryset, name=data['name']) class DatabaseUserSerializer(AccountSerializerMixin, HyperlinkedModelSerializer): password = serializers.CharField(max_length=128, label=_('Password'), validators=[validate_password], write_only=True, widget=widgets.PasswordInput) databases = RelatedDatabaseSerializer(many=True, allow_add_remove=True, required=False) class Meta: model = DatabaseUser fields = ('url', 'username', 'password', 'type', 'databases') postonly_fields = ('username', 'type') def validate(self, attrs): for database in attrs.get('databases', []): if database.type != attrs['type']: raise serializers.ValidationError("Database type must be" % attrs['type']) return attrs def save_object(self, obj, **kwargs): # FIXME this method will be called when saving nested serializers :( if not obj.pk: obj.set_password(obj.password) super(DatabaseUserSerializer, self).save_object(obj, **kwargs)