from django.db import models from django.utils.translation import ugettext_lazy as _ from django.core.mail import send_mail from django.template import loader from django.db.models.signals import post_save from django.dispatch import receiver from re2o.mixins import AclMixin from preferences.models import GeneralOption import users.models from .preferences.models import Preferences class Ticket(AclMixin, models.Model): """Model of a ticket""" user = models.ForeignKey( "users.User", on_delete=models.CASCADE, related_name="tickets", blank=True, null=True, ) title = models.CharField( max_length=255, help_text=_("Title of the ticket."), blank=False, null=False ) description = models.TextField( max_length=3000, help_text=_("Description of the ticket."), blank=False, null=False, ) date = models.DateTimeField(auto_now_add=True) email = models.EmailField( help_text=_("An email address to get back to you."), max_length=100, null=True ) solved = models.BooleanField(default=False) class Meta: permissions = (("view_tickets", _("Can view a ticket object")),) verbose_name = _("ticket") verbose_name_plural = _("tickets") def __str__(self): if self.user: return _("Ticket from %(name)s. Date: %(date)s.").format(name=self.user.surname, date=self.date) else: return _("Anonymous ticket. Date: %s.") % (self.date) def publish_mail(self): site_url = GeneralOption.objects.first().main_site_url to_addr = Preferences.objects.first().publish_address context = {"ticket": self, "site_url": site_url} lang = Preferences.objects.first().mail_language if lang == 0: obj = "Nouveau ticket ouvert" template = loader.get_template("tickets/publication_mail_fr") else: obj = "New ticket opened" template = loader.get_template("tickets/publication_mail_en") send_mail( obj, template.render(context), GeneralOption.get_cached_value("email_from"), [to_addr], fail_silently=False, ) def can_view(self, user_request, *_args, **_kwargs): """ Check that the user has the right to view the ticket or that it is the author""" if ( not user_request.has_perm("tickets.view_tickets") and self.user != user_request ): return ( False, _("You don't have the right to view other tickets than yours."), ("tickets.view_tickets",), ) else: return True, None, None @staticmethod def can_view_all(user_request, *_args, **_kwargs): """ Check that the user has access to the list of all tickets""" can = user_request.has_perm("tickets.view_tickets") return ( can, _("You don't have the right to view the list of tickets.") if not can else None, ("tickets.view_tickets",), ) def can_create(user_request, *_args, **_kwargs): """ Authorise all users to open tickets """ return True, None, None @receiver(post_save, sender=Ticket) def ticket_post_save(**kwargs): """ Send the mail to publish the new ticket """ if kwargs["created"]: if Preferences.objects.first().publish_address: ticket = kwargs["instance"] ticket.publish_mail()