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class Dana(serializers.ModelSerializer):

    class Meta:
        model = trans_models.Dana
        fields = (
            'id',
            'reqeust',
            'donatur',
            'nominal',
            'keterangan',
            'status_pembayaran',
            'bank'
        )


class PengeluaranSekolah(serializers.ModelSerializer):
    dedana = Dana(many=False)

    class Meta:
        model = trans_models.PengeluaranDana
        fields = (
            'id',
            'subject',
            'dedana_nominal',
            'nominal_keluar'
        )

class Dana(models.Model):
    id = models.AutoField(primary_key=True)
    request = models.ForeignKey(
        RequestDana, on_delete=models.CASCADE, related_name="dana_request")
    donatur = models.ForeignKey(
        usermodel.Donatur, on_delete=models.DO_NOTHING, related_name="dana_donatur")
    nominal = models.BigIntegerField()
    keterangan = models.TextField(blank=True, null=True)
    status_pembayaran = models.BooleanField(default=False)
    bank = models.ForeignKey(
        Bank, on_delete=models.DO_NOTHING, related_name="dana_bank")

    def __str__(self):
        return self.nominal


class PengeluaranDana(models.Model):
    id = models.AutoField(primary_key=True)
    dana_dari = models.ForeignKey(
        Dana, on_delete=models.DO_NOTHING, related_name="pengeluaran_danadari")
    nominal_keluar = models.BigIntegerField()
    keterangan = models.TextField(blank=True, null=True)
    subject = models.TextField()

    def __str__(self):
        return self.subject

class PengeluaranForSekolah(viewsets.ReadOnlyModelViewSet):
    serializer_class = ser.PengeluaranSekolah

    def get_queryset(self):
        if self.request.session['id'] is not None:
            return services.list_pengeluaran_sekolah(self.request.session['id'])