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 {}. Date: {}".format(self.user.surname,self.date) else: return "Anonymous Ticket. Date: {}".format(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 = 'Nouvelle ouverture de ticket' 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_ticket') and self.user != user_request): return ( False, _("You don't have the right to view other tickets than yours."), ('tickets.view_ticket',) ) 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()