from transfer.serializers.news import NewsSerializer
from transfer.models import PageTexts
from news.models import NewsType
from django.db.models import Value, IntegerField, F
from pprint import pprint


def transfer_news():
    news_type, _ = NewsType.objects.get_or_create(name="News")

    queryset = PageTexts.objects.filter(page__type="News").annotate(news_type=Value(news_type.id, output_field=IntegerField()),
                                                                    playlist=Value(1, output_field=IntegerField()))
    # queryset = PageTexts.objects.all().annotate(news_type=Value(news_type.id, output_field=IntegerField()))
    queryset = queryset.annotate(attachment_file_name=F('page__attachment_file_name'))
    queryset = queryset.annotate(template=F('page__template'))


    serialized_data = NewsSerializer(data=list(queryset.values()), many=True)
    if serialized_data.is_valid():
        serialized_data.save()
    else:
        pprint(f"News serializer errors: {serialized_data.errors}")


data_types = {
    "news": [transfer_news]
}