from django.shortcuts import render
from django.http import HttpResponse
from django.template import loader
from .models import ArrowCount
from django.contrib.auth.decorators import login_required
from django.conf import settings
from django.core.exceptions import SuspiciousOperation

def index(request):
    template = loader.get_template('index.html')
    return HttpResponse(template.render({}, request))

@login_required
def arrow_count_list(request):
    page = request.GET.get('page')

    if not page:
        page = 1
    else:
        page = int(page)

    if page <= 0:
        raise SuspiciousOperation("page is negative or 0")

    start = settings.ITEMS_PER_PAGE * (page - 1)
    finish = settings.ITEMS_PER_PAGE + start
    counts = ArrowCount.objects.filter(user = request.user)[start:finish]
    template = loader.get_template('counter/list.html')
    return HttpResponse(template.render({'counts': counts}, request))