mirror of
https://gitea.mueller.network/extern/django-helpdesk.git
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269 lines
10 KiB
Python
269 lines
10 KiB
Python
"""
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django-helpdesk - A Django powered ticket tracker for small enterprise.
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(c) Copyright 2008 Jutda. All Rights Reserved. See LICENSE for details.
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views/public.py - All public facing views, eg non-staff (no authentication
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required) views.
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"""
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from django.conf import settings
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from django.core.exceptions import ImproperlyConfigured, ObjectDoesNotExist, PermissionDenied
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from django.http import HttpResponseRedirect
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from django.shortcuts import render
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from django.urls import reverse
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from django.utils.translation import gettext as _
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from django.views.decorators.clickjacking import xframe_options_exempt
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from django.views.decorators.csrf import csrf_exempt
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from django.views.generic.base import TemplateView
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from django.views.generic.edit import FormView
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from helpdesk import settings as helpdesk_settings
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from helpdesk.decorators import is_helpdesk_staff, protect_view
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from helpdesk.lib import text_is_spam
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from helpdesk.models import Queue, Ticket, UserSettings
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from helpdesk.user import huser_from_request
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import helpdesk.views.abstract_views as abstract_views
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import helpdesk.views.staff as staff
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from importlib import import_module
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import logging
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from urllib.parse import quote
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logger = logging.getLogger(__name__)
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def create_ticket(request, *args, **kwargs):
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if is_helpdesk_staff(request.user):
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return staff.CreateTicketView.as_view()(request, *args, **kwargs)
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else:
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return protect_view(CreateTicketView.as_view())(request, *args, **kwargs)
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class BaseCreateTicketView(abstract_views.AbstractCreateTicketMixin, FormView):
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def get_form_class(self):
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try:
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the_module, the_form_class = helpdesk_settings.HELPDESK_PUBLIC_TICKET_FORM_CLASS.rsplit(
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".", 1)
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the_module = import_module(the_module)
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the_form_class = getattr(the_module, the_form_class)
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except Exception as e:
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raise ImproperlyConfigured(
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f"Invalid custom form class {helpdesk_settings.HELPDESK_PUBLIC_TICKET_FORM_CLASS}"
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) from e
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return the_form_class
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def dispatch(self, *args, **kwargs):
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request = self.request
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if not request.user.is_authenticated and helpdesk_settings.HELPDESK_REDIRECT_TO_LOGIN_BY_DEFAULT:
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return HttpResponseRedirect(reverse('login'))
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if is_helpdesk_staff(request.user) or \
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(request.user.is_authenticated and
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helpdesk_settings.HELPDESK_ALLOW_NON_STAFF_TICKET_UPDATE):
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try:
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if request.user.usersettings_helpdesk.login_view_ticketlist:
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return HttpResponseRedirect(reverse('helpdesk:list'))
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else:
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return HttpResponseRedirect(reverse('helpdesk:dashboard'))
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except UserSettings.DoesNotExist:
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return HttpResponseRedirect(reverse('helpdesk:dashboard'))
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return super().dispatch(*args, **kwargs)
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def get_initial(self):
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initial_data = super().get_initial()
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# add pre-defined data for public ticket
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if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_QUEUE'):
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# get the requested queue; return an error if queue not found
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try:
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initial_data['queue'] = Queue.objects.get(
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slug=settings.HELPDESK_PUBLIC_TICKET_QUEUE,
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allow_public_submission=True
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).id
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except Queue.DoesNotExist as e:
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logger.fatal(
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"Public queue '%s' is configured as default but can't be found",
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settings.HELPDESK_PUBLIC_TICKET_QUEUE
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)
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raise ImproperlyConfigured(
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"Wrong public queue configuration") from e
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if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_PRIORITY'):
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initial_data['priority'] = settings.HELPDESK_PUBLIC_TICKET_PRIORITY
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if hasattr(settings, 'HELPDESK_PUBLIC_TICKET_DUE_DATE'):
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initial_data['due_date'] = settings.HELPDESK_PUBLIC_TICKET_DUE_DATE
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return initial_data
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def get_form_kwargs(self, *args, **kwargs):
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kwargs = super().get_form_kwargs(*args, **kwargs)
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if '_hide_fields_' in self.request.GET:
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kwargs['hidden_fields'] = self.request.GET.get(
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'_hide_fields_', '').split(',')
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kwargs['readonly_fields'] = self.request.GET.get(
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'_readonly_fields_', '').split(',')
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return kwargs
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def form_valid(self, form):
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request = self.request
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if text_is_spam(form.cleaned_data['body'], request):
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# This submission is spam. Let's not save it.
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return render(request, template_name='helpdesk/public_spam.html')
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else:
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ticket = form.save(
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user=self.request.user if self.request.user.is_authenticated else None)
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try:
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return HttpResponseRedirect('%s?ticket=%s&email=%s&key=%s' % (
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reverse('helpdesk:public_view'),
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ticket.ticket_for_url,
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quote(ticket.submitter_email),
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ticket.secret_key)
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)
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except ValueError:
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# if someone enters a non-int string for the ticket
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return HttpResponseRedirect(reverse('helpdesk:home'))
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class CreateTicketIframeView(BaseCreateTicketView):
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template_name = 'helpdesk/public_create_ticket_iframe.html'
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@csrf_exempt
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@xframe_options_exempt
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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def form_valid(self, form):
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if super().form_valid(form).status_code == 302:
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return HttpResponseRedirect(reverse('helpdesk:success_iframe'))
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class SuccessIframeView(TemplateView):
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template_name = 'helpdesk/success_iframe.html'
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@xframe_options_exempt
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def dispatch(self, *args, **kwargs):
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return super().dispatch(*args, **kwargs)
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class CreateTicketView(BaseCreateTicketView):
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template_name = 'helpdesk/public_create_ticket.html'
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def get_form(self, form_class=None):
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form = super().get_form(form_class)
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# Add the CSS error class to the form in order to better see them in
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# the page
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form.error_css_class = 'text-danger'
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return form
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class Homepage(CreateTicketView):
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template_name = 'helpdesk/public_homepage.html'
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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context['kb_categories'] = huser_from_request(
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self.request).get_allowed_kb_categories()
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return context
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class SearchForTicketView(TemplateView):
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template_name = 'helpdesk/public_view_form.html'
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def get(self, request, *args, **kwargs):
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if hasattr(settings, 'HELPDESK_VIEW_A_TICKET_PUBLIC') and settings.HELPDESK_VIEW_A_TICKET_PUBLIC:
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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else:
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raise PermissionDenied("Public viewing of tickets without a secret key is forbidden.")
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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request = self.request
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email = request.GET.get('email', None)
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error_message = kwargs.get('error_message', None)
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context.update({
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'ticket': False,
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'email': email,
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'error_message': error_message,
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'helpdesk_settings': helpdesk_settings,
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})
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return context
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class ViewTicket(TemplateView):
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template_name = 'helpdesk/public_view_ticket.html'
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def get(self, request, *args, **kwargs):
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ticket_req = request.GET.get('ticket', None)
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email = request.GET.get('email', None)
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key = request.GET.get('key', '')
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if not (ticket_req and email):
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if ticket_req is None and email is None:
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return SearchForTicketView.as_view()(request)
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else:
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return SearchForTicketView.as_view()(request, _('Missing ticket ID or e-mail address. Please try again.'))
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try:
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queue, ticket_id = Ticket.queue_and_id_from_query(ticket_req)
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if request.user.is_authenticated and request.user.email == email:
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ticket = Ticket.objects.get(id=ticket_id, submitter_email__iexact=email)
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if hasattr(settings, 'HELPDESK_VIEW_A_TICKET_PUBLIC') and settings.HELPDESK_VIEW_A_TICKET_PUBLIC:
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ticket = Ticket.objects.get(id=ticket_id, submitter_email__iexact=email)
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else:
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ticket = Ticket.objects.get(id=ticket_id, submitter_email__iexact=email, secret_key__iexact=key)
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except (ObjectDoesNotExist, ValueError):
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return SearchForTicketView.as_view()(request, _('Invalid ticket ID or e-mail address. Please try again.'))
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if 'close' in request.GET and ticket.status == Ticket.RESOLVED_STATUS:
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from helpdesk.update_ticket import update_ticket
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update_ticket(
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request.user,
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ticket,
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public=True,
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comment=_('Submitter accepted resolution and closed ticket'),
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new_status=Ticket.CLOSED_STATUS,
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)
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return HttpResponseRedirect(ticket.ticket_url)
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# Prepare context for rendering
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context = {
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'key': key,
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'mail': email,
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'ticket': ticket,
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'helpdesk_settings': helpdesk_settings,
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'next': self.get_next_url(ticket_id)
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}
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return self.render_to_response(context)
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def get_next_url(self, ticket_id):
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redirect_url = ''
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if is_helpdesk_staff(self.request.user):
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redirect_url = reverse('helpdesk:view', args=[ticket_id])
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if 'close' in self.request.GET:
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redirect_url += '?close'
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elif helpdesk_settings.HELPDESK_NAVIGATION_ENABLED:
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redirect_url = reverse('helpdesk:view', args=[ticket_id])
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return redirect_url
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class MyTickets(TemplateView):
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template_name = 'helpdesk/my_tickets.html'
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def get(self, request, *args, **kwargs):
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if not request.user.is_authenticated:
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return HttpResponseRedirect(reverse('helpdesk:login'))
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context = self.get_context_data(**kwargs)
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return self.render_to_response(context)
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def change_language(request):
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return_to = ''
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if 'return_to' in request.GET:
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return_to = request.GET['return_to']
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return render(request, 'helpdesk/public_change_language.html', {'next': return_to})
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