mamweb/soustredeni/views.py

from django.shortcuts import get_object_or_404
from django.http import HttpResponse
from django.views import generic
from django.conf import settings
from seminar.models import Soustredeni, Resitel, Soustredeni_Ucastnici # Tohle je stare a chceme se toho zbavit. Pouzivejte s.ToCoChci
import csv
import tempfile
import shutil
import subprocess
from pathlib import Path

from seminar.views import obalkyView


class SoustredeniListView(generic.ListView):
	model = Soustredeni
	template_name = 'soustredeni/seznam_soustredeni.html'


def soustredeniObalkyView(request, soustredeni):
	soustredeni = get_object_or_404(Soustredeni, id=soustredeni)
	return obalkyView(request, soustredeni.ucastnici.all())


class SoustredeniUcastniciBaseView(generic.ListView):
	model = Soustredeni_Ucastnici

	def get_queryset(self):
		soustredeni = get_object_or_404(
			Soustredeni,
			pk=self.kwargs["soustredeni"]
		)
		return Soustredeni_Ucastnici.objects.filter(
			soustredeni=soustredeni).select_related('resitel')


class SoustredeniMailyUcastnikuView(SoustredeniUcastniciBaseView):
	""" Seznam e-mailů řešitelů oddělených čárkami. """
	model = Soustredeni_Ucastnici
	template_name = 'soustredeni/maily_ucastniku.txt'


class SoustredeniUcastniciView(SoustredeniUcastniciBaseView):
	""" HTML tabulka účastníků pro tisk. """
	model = Soustredeni_Ucastnici
	template_name = 'soustredeni/seznam_ucastniku.html'


def soustredeniUcastniciExportView(request, soustredeni):
	soustredeni = get_object_or_404(Soustredeni, id=soustredeni)
	ucastnici = Resitel.objects.filter(soustredeni=soustredeni)
	response = HttpResponse(content_type='text/csv')
	response['Content-Disposition'] = 'attachment; filename="ucastnici.csv"'

	writer = csv.writer(response)
	writer.writerow(["jmeno", "prijmeni", "rok_maturity", "telefon", "email", "ulice", "mesto", "psc","stat"])
	for u in ucastnici:
		o = u.osoba
		writer.writerow([o.jmeno, o.prijmeni, str(u.rok_maturity), o.telefon, o.email, o.ulice, o.mesto, o.psc, o.stat.name])
	return response

def soustredeniStvrzenkyView(request, soustredeni):
	soustredeni = get_object_or_404(Soustredeni, id=soustredeni)
	ucastnici = Resitel.objects.filter(soustredeni=soustredeni)

	static = Path(settings.STATIC_ROOT)
	tempdir = Path(tempfile.mkdtemp())
	shutil.copy(static / 'images/logomm.pdf', tempdir)
	subprocess.run(
			['pdfcsplain', static / 'seminar/stvrzenky.tex'],
			cwd=tempdir,
			encoding='utf-8',
			input=f'{soustredeni.datum_zacatku.strftime("%-d.~%-m.~%Y")} -- {soustredeni.datum_konce.strftime("%-d.~%-m.~%Y")}\n{soustredeni.misto}\n'
			+ '\n'.join([f'{u.osoba.jmeno} {u.osoba.prijmeni}' for u in ucastnici])
			)

	with open(tempdir / 'stvrzenky.pdf', 'rb') as pdffile:
		response = HttpResponse(pdffile.read(), content_type='application/pdf')
	shutil.rmtree(tempdir)
	return response