views.py

from django.contrib import messages
from django.contrib.auth.mixins import LoginRequiredMixin
from django.contrib.sitemaps import Sitemap
from django.forms import formset_factory
from django.shortcuts import redirect, render
from django.urls import reverse
from django.views.generic import UpdateView, TemplateView, View

from home.models import ActivityList, InterludesActivity
from home.forms import ActivityForm, BaseActivityFormSet, InscriptionForm
from site_settings.models import SiteSettings


class HomeView(TemplateView):
	"""Vue pour la page d'acceuil"""
	template_name = "home.html"


class ActivityView(TemplateView):
	"""Vue pour la liste des activités"""
	template_name = "activites.html"

	def get_context_data(self, **kwargs):
		"""ajoute la liste des activités au contexte"""
		context = super(ActivityView, self).get_context_data(**kwargs)
		context['activities'] = InterludesActivity.objects.filter(display=True).order_by("title")
		return context


class FAQView(TemplateView):
	"""Vue pour la FAQ"""
	template_name = "faq.html"


class RegisterClosed(TemplateView):
	"""Vue pour quand les inscriptions ne sont pas ouvertes"""
	template_name = "inscription/closed.html"

class RegisterSignIn(TemplateView):
	"""Vue affichée quand les inscriptions sont ouverte mais
	l'utilisateur n'est pas connecté"""
	template_name = "inscription/signin.html"

class RegisterUpdateView(LoginRequiredMixin, TemplateView):
	"""Vue pour s'inscrire et modifier son inscription"""
	template_name = "inscription/form.html"
	form_class = InscriptionForm
	formset_class = formset_factory(form=ActivityForm, extra=3, formset=BaseActivityFormSet)

	@staticmethod
	def get_activities(participant):
		activities = ActivityList.objects.filter(participant=participant).order_by("priority")
		return [{"activity": act.activity} for act in activities]

	@staticmethod
	def set_activities(participant, formset):
		# delete old activites
		ActivityList.objects.filter(participant=participant).delete()

		priority = 0
		for form in formset:
			data = form.cleaned_data
			if data:
				activity = data["activity"]
				ActivityList(priority=priority, participant=participant, activity=activity).save()
				priority += 1

	def get(self, request, *args, **kwargs):
		participant = request.user.profile
		activities = self.get_activities(participant)
		form = self.form_class(instance=participant)
		formset = self.formset_class(initial=activities)
		context = {"form": form, "formset": formset}
		return render(request, self.template_name, context)

	def post(self, request, *args, **kwargs):
		form = self.form_class(request.POST, instance=request.user.profile)
		formset = self.formset_class(request.POST)
		if not (form.is_valid() and formset.is_valid()):
			context = {"form": form, "formset": formset}
			return render(request, self.template_name, context)

		form.save()
		self.set_activities(request.user.profile, formset)

		messages.success(request, "Votre inscription a bien été enregistrée")
		return redirect("accounts:profile", permanent=False)

class RegisterView(View):
	"""Vue pour l'inscription
	repartie sur les vue RegisterClosed, RegisterSignIn et RegisterUpdateView"""
	def dispatch(self, request, *args, **kwargs):
		settings = SiteSettings.load()
		if not settings.inscriptions_open:
			return RegisterClosed.as_view()(request)
		if not request.user.is_authenticated:
			return RegisterSignIn.as_view()(request)
		return RegisterUpdateView.as_view()(request)


class StaticViewSitemap(Sitemap):
	"""Vue générant la sitemap.xml du site"""
	changefreq = 'monthly'

	def items(self):
		"""list of pages to appear in sitemap"""
		return ["home", "inscription", "activites", "FAQ"]

	def location(self, item):
		"""real url of an item"""
		return reverse(item)

	def priority(self, obj):
		"""priority to appear in sitemap"""
		# Priorize home page over the rest in search results
		if obj == "home" or obj == "":
				return 0.8
		else:
			return None # defaults to 0.5 when unset