kpsul/bda/models.py

# -*- coding: utf-8 -*-

import calendar
import random
from datetime import timedelta

from django.contrib.sites.models import Site
from django.db import models
from django.contrib.auth.models import User
from django.template import loader
from django.core import mail
from django.conf import settings
from django.utils import timezone, formats


class Tirage(models.Model):
    title = models.CharField("Titre", max_length=300)
    ouverture = models.DateTimeField("Date et heure d'ouverture du tirage")
    fermeture = models.DateTimeField("Date et heure de fermerture du tirage")
    tokens = models.TextField("Graine(s) du tirage", blank=True)
    active = models.BooleanField("Tirage actif", default=False)
    enable_do_tirage = models.BooleanField("Le tirage peut être lancé",
                                           default=False)

    def __str__(self):
        return "%s - %s" % (self.title, formats.localize(
            timezone.template_localtime(self.fermeture)))


class Salle(models.Model):
    name = models.CharField("Nom", max_length=300)
    address = models.TextField("Adresse")

    def __str__(self):
        return self.name


class CategorieSpectacle(models.Model):
    name = models.CharField('Nom', max_length=100, unique=True)

    def __str__(self):
        return self.name

    class Meta:
        verbose_name = "Catégorie"


class Spectacle(models.Model):
    title = models.CharField("Titre", max_length=300)
    category = models.ForeignKey(CategorieSpectacle, blank=True, null=True)
    date = models.DateTimeField("Date & heure")
    location = models.ForeignKey(Salle)
    vips = models.TextField('Personnalités', blank=True)
    description = models.TextField("Description", blank=True)
    slots_description = models.TextField("Description des places", blank=True)
    image = models.ImageField('Image', blank=True, null=True,
                              upload_to='imgs/shows/')
    ext_link = models.CharField('Lien vers le site du spectacle', blank=True,
                                max_length=500)
    price = models.FloatField("Prix d'une place")
    slots = models.IntegerField("Places")
    tirage = models.ForeignKey(Tirage)
    listing = models.BooleanField("Les places sont sur listing")
    rappel_sent = models.DateTimeField("Mail de rappel envoyé", blank=True,
                                       null=True)

    class Meta:
        verbose_name = "Spectacle"
        ordering = ("date", "title",)

    def timestamp(self):
        return "%d" % calendar.timegm(self.date.utctimetuple())

    def __str__(self):
        return "%s - %s, %s, %.02f€" % (
            self.title,
            formats.localize(timezone.template_localtime(self.date)),
            self.location,
            self.price
        )

    def send_rappel(self):
        """
        Envoie un mail de rappel à toutes les personnes qui ont une place pour
        ce spectacle.
        """
        # On récupère la liste des participants
        members = {}
        for attr in Attribution.objects.filter(spectacle=self).all():
            member = attr.participant.user
            if member.id in members:
                members[member.id][1] = 2
            else:
                members[member.id] = [member.first_name, 1, member.email]
        # Pour le BdA
        members[0] = ['BdA', 1, 'bda@ens.fr']
        members[-1] = ['BdA', 2, 'bda@ens.fr']
        # On écrit un mail personnalisé à chaque participant
        mails_to_send = []
        mail_object = str(self)
        for member in members.values():
            mail_body = loader.render_to_string('bda/mails/rappel.txt', {
                'name': member[0],
                'nb_attr': member[1],
                'show': self})
            mail_tot = mail.EmailMessage(
                mail_object, mail_body,
                settings.MAIL_DATA['rappels']['FROM'], [member[2]],
                [], headers={
                    'Reply-To': settings.MAIL_DATA['rappels']['REPLYTO']})
            mails_to_send.append(mail_tot)
        # On envoie les mails
        connection = mail.get_connection()
        connection.send_messages(mails_to_send)
        # On enregistre le fait que l'envoi a bien eu lieu
        self.rappel_sent = timezone.now()
        self.save()
        # On renvoie la liste des destinataires
        return members.values()


class Quote(models.Model):
    spectacle = models.ForeignKey(Spectacle)
    text = models.TextField('Citation')
    author = models.CharField('Auteur', max_length=200)


PAYMENT_TYPES = (
    ("cash", "Cash"),
    ("cb", "CB"),
    ("cheque", "Chèque"),
    ("autre", "Autre"),
)


class Participant(models.Model):
    user = models.ForeignKey(User)
    choices = models.ManyToManyField(Spectacle,
                                     through="ChoixSpectacle",
                                     related_name="chosen_by")
    attributions = models.ManyToManyField(Spectacle,
                                          through="Attribution",
                                          related_name="attributed_to")
    paid = models.BooleanField("A payé", default=False)
    paymenttype = models.CharField("Moyen de paiement",
                                   max_length=6, choices=PAYMENT_TYPES,
                                   blank=True)
    tirage = models.ForeignKey(Tirage)
    choicesrevente = models.ManyToManyField(Spectacle,
                                            related_name="subscribed",
                                            blank=True)

    def __str__(self):
        return "%s - %s" % (self.user, self.tirage.title)

DOUBLE_CHOICES = (
    ("1", "1 place"),
    ("autoquit", "2 places si possible, 1 sinon"),
    ("double", "2 places sinon rien"),
)


class ChoixSpectacle(models.Model):
    participant = models.ForeignKey(Participant)
    spectacle = models.ForeignKey(Spectacle, related_name="participants")
    priority = models.PositiveIntegerField("Priorité")
    double_choice = models.CharField("Nombre de places",
                                     default="1", choices=DOUBLE_CHOICES,
                                     max_length=10)

    def get_double(self):
        return self.double_choice != "1"
    double = property(get_double)

    def get_autoquit(self):
        return self.double_choice == "autoquit"
    autoquit = property(get_autoquit)

    def __str__(self):
        return "Vœux de %s pour %s" % (
                self.participant.user.get_full_name(),
                self.spectacle.title)

    class Meta:
        ordering = ("priority",)
        unique_together = (("participant", "spectacle",),)
        verbose_name = "voeu"
        verbose_name_plural = "voeux"


class Attribution(models.Model):
    participant = models.ForeignKey(Participant)
    spectacle = models.ForeignKey(Spectacle, related_name="attribues")
    given = models.BooleanField("Donnée", default=False)

    def __str__(self):
        return "%s -- %s, %s" % (self.participant.user, self.spectacle.title,
                                 self.spectacle.date)


class SpectacleRevente(models.Model):
    attribution = models.OneToOneField(Attribution,
                                       related_name="revente")
    date = models.DateTimeField("Date de mise en vente",
                                default=timezone.now)
    answered_mail = models.ManyToManyField(Participant,
                                           related_name="wanted",
                                           blank=True)
    seller = models.ForeignKey(Participant,
                               related_name="original_shows",
                               verbose_name="Vendeur")
    soldTo = models.ForeignKey(Participant, blank=True, null=True,
                               verbose_name="Vendue à")

    notif_sent = models.BooleanField("Notification envoyée",
                                     default=False)
    tirage_done = models.BooleanField("Tirage effectué",
                                      default=False)
    shotgun = models.BooleanField("Disponible immédiatement",
                                  default=False)

    @property
    def date_tirage(self):
        """Renvoie la date du tirage au sort de la revente."""
        # L'acheteur doit être connu au plus 12h avant le spectacle
        remaining_time = (self.attribution.spectacle.date
                          - self.date - timedelta(hours=13))
        # Au minimum, on attend 2 jours avant le tirage
        delay = min(remaining_time, timedelta(days=2))
        # Le vendeur a aussi 1h pour changer d'avis
        return self.date + delay + timedelta(hours=1)

    def __str__(self):
        return "%s -- %s" % (self.seller,
                             self.attribution.spectacle.title)

    class Meta:
        verbose_name = "Revente"

    def send_notif(self):
        inscrits = self.attribution.spectacle.subscribed.select_related('user')

        mails_to_send = []
        mail_object = "%s" % (self.attribution.spectacle)
        for participant in inscrits:
            mail_body = loader.render_to_string('bda/mails/revente.txt', {
                'user': participant.user,
                'spectacle': self.attribution.spectacle,
                'revente': self,
                'domain': Site.objects.get_current().domain})
            mail_tot = mail.EmailMessage(
                mail_object, mail_body,
                settings.MAIL_DATA['revente']['FROM'],
                [participant.user.email],
                [], headers={
                    'Reply-To': settings.MAIL_DATA['revente']['REPLYTO']})
            mails_to_send.append(mail_tot)

        connection = mail.get_connection()
        connection.send_messages(mails_to_send)
        self.notif_sent = True
        self.save()

    def mail_shotgun(self):
        """
        Envoie un mail à toutes les personnes intéréssées par le spectacle pour
        leur indiquer qu'il est désormais disponible au shotgun.
        """
        inscrits = self.attribution.spectacle.subscribed.select_related('user')

        mails_to_send = []
        mail_object = "%s" % (self.attribution.spectacle)
        for participant in inscrits:
            mail_body = loader.render_to_string('bda/mails/shotgun.txt', {
                'user': participant.user,
                'spectacle': self.attribution.spectacle,
                'domain': Site.objects.get_current(),
                'mail': self.attribution.participant.user.email})
            mail_tot = mail.EmailMessage(
                mail_object, mail_body,
                settings.MAIL_DATA['revente']['FROM'],
                [participant.user.email],
                [], headers={
                    'Reply-To': settings.MAIL_DATA['revente']['REPLYTO']})
            mails_to_send.append(mail_tot)

        connection = mail.get_connection()
        connection.send_messages(mails_to_send)
        self.notif_sent = True
        # Flag inutile, sauf si l'horloge interne merde
        self.tirage_done = True
        self.shotgun = True
        self.save()

    def tirage(self):
        """
        Lance le tirage au sort associé à la revente. Un gagnant est choisi
        parmis les personnes intéressées par le spectacle. Les personnes sont
        ensuites prévenues par mail du résultat du tirage.
        """
        inscrits = list(self.answered_mail.all())
        spectacle = self.attribution.spectacle
        seller = self.seller

        if inscrits:
            mails = []
            mail_subject = "BdA-Revente : {:s}".format(spectacle.title)

            # Envoie un mail au gagnant et au vendeur
            winner = random.choice(inscrits)
            self.soldTo = winner
            context = {
                'acheteur': winner.user,
                'vendeur': seller.user,
                'spectacle': spectacle,
            }
            mails.append(mail.EmailMessage(
                mail_subject,
                loader.render_to_string('bda/mails/revente-winner.txt',
                                        context),
                from_email=settings.MAIL_DATA['revente']['FROM'],
                to=[winner.user.email],
                reply_to=[seller.user.email],
            ))
            mails.append(mail.EmailMessage(
                mail_subject,
                loader.render_to_string('bda/mails/revente-seller.txt',
                                        context),
                from_email=settings.MAIL_DATA['revente']['FROM'],
                to=[seller.user.email],
                reply_to=[winner.user.email],
            ))

            # Envoie un mail aux perdants
            for inscrit in inscrits:
                if inscrit == winner:
                    continue

                mail_body = loader.render_to_string(
                    'bda/mails/revente-loser.txt',
                    {'acheteur': inscrit.user,
                     'vendeur': seller.user,
                     'spectacle': spectacle}
                )
                mails.append(mail.EmailMessage(
                    mail_subject, mail_body,
                    from_email=settings.MAIL_DATA['revente']['FROM'],
                    to=[inscrit.user.email],
                    reply_to=[settings.MAIL_DATA['revente']['REPLYTO']],
                ))
            mail.get_connection().send_messages(mails)

        # Si personne ne veut de la place, elle part au shotgun
        else:
            self.shotgun = True

        self.tirage_done = True
        self.save()