import csv

from django.http import HttpResponse
from .models import Bid

def export_users_csv(request):
    response = HttpResponse(content_type='text/csv')
    response['Content-Disposition'] = 'attachment; filename="bids.csv"'

    writer = csv.writer(response)
    writer.writerow(['Mode','Round','Value','Amount', 'At_time', 'In_stage', 'Success', 'participant_code'])

    bids = Bid.objects.all().values_list('mode','in_round','p_value','amount', 'at_time', 'in_stage', 'success', 'player__participant__code')
    for bid in bids:
        writer.writerow(bid)

    return response