mirror of
https://github.com/django-helpdesk/django-helpdesk.git
synced 2024-10-08 11:22:45 +02:00
dc76854667
Starting from django 1.2, the CSRF middleware is enabled by default. However, API calls require parameters passing by POST requests but they cannot be served as they can't contain a CSRF token. This patch removes the CSRF middleware from API requests.
322 lines
10 KiB
Python
322 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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api.py - Wrapper around API calls, and core functions to provide complete
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API to third party applications.
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The API documentation can be accessed by visiting http://helpdesk/api/help/
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(obviously, substitute helpdesk for your django-helpdesk URI), or by reading
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through templates/helpdesk/help_api.html.
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"""
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from datetime import datetime
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from django import forms
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from django.contrib.auth import authenticate
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from django.contrib.auth.models import User
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from django.http import HttpResponse
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from django.shortcuts import render_to_response
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from django.template import loader, Context
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from django.utils import simplejson
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from django.views.decorators.csrf import csrf_exempt
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from helpdesk.forms import TicketForm
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from helpdesk.lib import send_templated_mail, safe_template_context
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from helpdesk.models import Ticket, Queue, FollowUp
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STATUS_OK = 200
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STATUS_ERROR = 400
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STATUS_ERROR_NOT_FOUND = 404
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STATUS_ERROR_PERMISSIONS = 403
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STATUS_ERROR_BADMETHOD = 405
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@csrf_exempt
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def api(request, method):
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"""
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Regardless of any other paramaters, we provide a help screen
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to the user if they requested one.
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If the user isn't looking for help, then we enforce a few conditions:
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* The request must be sent via HTTP POST
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* The request must contain a 'user' and 'password' which
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must be valid users
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* The method must match one of the public methods of the API class.
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"""
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if method == 'help':
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return render_to_response('helpdesk/help_api.html')
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if request.method != 'POST':
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return api_return(STATUS_ERROR_BADMETHOD)
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# TODO: Move away from having the username & password in every request.
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request.user = authenticate(
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username=request.POST.get('user', False),
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password=request.POST.get('password'),
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)
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if request.user is None:
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return api_return(STATUS_ERROR_PERMISSIONS)
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api = API(request)
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if hasattr(api, 'api_public_%s' % method):
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return getattr(api, 'api_public_%s' % method)()
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return api_return(STATUS_ERROR)
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def api_return(status, text='', json=False):
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content_type = 'text/plain'
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if status == STATUS_OK and json:
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content_type = 'text/json'
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if text is None:
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if status == STATUS_ERROR:
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text = 'Error'
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elif status == STATUS_ERROR_NOT_FOUND:
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text = 'Resource Not Found'
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elif status == STATUS_ERROR_PERMISSIONS:
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text = 'Invalid username or password'
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elif status == STATUS_ERROR_BADMETHOD:
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text = 'Invalid request method'
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elif status == STATUS_OK:
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text = 'OK'
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r = HttpResponse(status=status, content=text, content_type=content_type)
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if status == STATUS_ERROR_BADMETHOD:
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r.Allow = 'POST'
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return r
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class API:
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def __init__(self, request):
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self.request = request
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def api_public_create_ticket(self):
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form = TicketForm(self.request.POST)
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form.fields['queue'].choices = [[q.id, q.title] for q in Queue.objects.all()]
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form.fields['assigned_to'].choices = [[u.id, u.username] for u in User.objects.filter(is_active=True)]
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if form.is_valid():
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ticket = form.save(user=self.request.user)
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return api_return(STATUS_OK, "%s" % ticket.id)
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else:
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return api_return(STATUS_ERROR, text=form.errors.as_text())
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def api_public_list_queues(self):
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return api_return(STATUS_OK, simplejson.dumps([{"id": "%s" % q.id, "title": "%s" % q.title} for q in Queue.objects.all()]), json=True)
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def api_public_find_user(self):
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username = self.request.POST.get('username', False)
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try:
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u = User.objects.get(username=username)
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return api_return(STATUS_OK, "%s" % u.id)
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except User.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid username provided")
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def api_public_delete_ticket(self):
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if not self.request.POST.get('confirm', False):
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return api_return(STATUS_ERROR, "No confirmation provided")
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try:
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ticket = Ticket.objects.get(id=self.request.POST.get('ticket', False))
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except Ticket.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid ticket ID")
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ticket.delete()
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return api_return(STATUS_OK)
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def api_public_hold_ticket(self):
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try:
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ticket = Ticket.objects.get(id=self.request.POST.get('ticket', False))
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except Ticket.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid ticket ID")
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ticket.on_hold = True
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ticket.save()
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return api_return(STATUS_OK)
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def api_public_unhold_ticket(self):
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try:
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ticket = Ticket.objects.get(id=self.request.POST.get('ticket', False))
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except Ticket.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid ticket ID")
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ticket.on_hold = False
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ticket.save()
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return api_return(STATUS_OK)
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def api_public_add_followup(self):
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try:
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ticket = Ticket.objects.get(id=self.request.POST.get('ticket', False))
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except Ticket.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid ticket ID")
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message = self.request.POST.get('message', None)
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public = self.request.POST.get('public', 'n')
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if public not in ['y', 'n']:
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return api_return(STATUS_ERROR, "Invalid 'public' flag")
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if not message:
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return api_return(STATUS_ERROR, "Blank message")
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f = FollowUp(
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ticket=ticket,
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date=datetime.now(),
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comment=message,
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user=self.request.user,
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title='Comment Added',
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)
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if public:
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f.public = True
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f.save()
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context = safe_template_context(ticket)
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context['comment'] = f.comment
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messages_sent_to = []
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if public and ticket.submitter_email:
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send_templated_mail(
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'updated_submitter',
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context,
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recipients=ticket.submitter_email,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(ticket.submitter_email)
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if public:
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for cc in ticket.ticketcc_set.all():
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if cc.email_address not in messages_sent_to:
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send_templated_mail(
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'updated_submitter',
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context,
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recipients=cc.email_address,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(cc.email_address)
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if ticket.queue.updated_ticket_cc and ticket.queue.updated_ticket_cc not in messages_sent_to:
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send_templated_mail(
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'updated_cc',
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context,
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recipients=ticket.queue.updated_ticket_cc,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(ticket.queue.updated_ticket_cc)
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if ticket.assigned_to and self.request.user != ticket.assigned_to and getattr(ticket.assigned_to.usersettings.settings, 'email_on_ticket_apichange', False) and ticket.assigned_to.email and ticket.assigned_to.email not in messages_sent_to:
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send_templated_mail(
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'updated_owner',
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context,
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recipients=ticket.assigned_to.email,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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ticket.save()
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return api_return(STATUS_OK)
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def api_public_resolve(self):
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try:
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ticket = Ticket.objects.get(id=self.request.POST.get('ticket', False))
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except Ticket.DoesNotExist:
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return api_return(STATUS_ERROR, "Invalid ticket ID")
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resolution = self.request.POST.get('resolution', None)
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if not resolution:
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return api_return(STATUS_ERROR, "Blank resolution")
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f = FollowUp(
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ticket=ticket,
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date=datetime.now(),
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comment=resolution,
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user=self.request.user,
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title='Resolved',
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public=True,
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)
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f.save()
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context = safe_template_context(ticket)
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context['resolution'] = f.comment
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subject = '%s %s (Resolved)' % (ticket.ticket, ticket.title)
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messages_sent_to = []
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if ticket.submitter_email:
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send_templated_mail(
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'resolved_submitter',
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context,
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recipients=ticket.submitter_email,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(ticket.submitter_email)
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for cc in ticket.ticketcc_set.all():
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if cc.email_address not in messages_sent_to:
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send_templated_mail(
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'resolved_submitter',
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context,
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recipients=cc.email_address,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(cc.email_address)
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if ticket.queue.updated_ticket_cc and ticket.queue.updated_ticket_cc not in messages_sent_to:
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send_templated_mail(
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'resolved_cc',
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context,
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recipients=ticket.queue.updated_ticket_cc,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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messages_sent_to.append(ticket.queue.updated_ticket_cc)
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if ticket.assigned_to and self.request.user != ticket.assigned_to and getattr(ticket.assigned_to.usersettings.settings, 'email_on_ticket_apichange', False) and ticket.assigned_to.email and ticket.assigned_to.email not in messages_sent_to:
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send_templated_mail(
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'resolved_resolved',
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context,
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recipients=ticket.assigned_to.email,
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sender=ticket.queue.from_address,
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fail_silently=True,
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)
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ticket.resoltuion = f.comment
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ticket.status = Ticket.RESOLVED_STATUS
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ticket.save()
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return api_return(STATUS_OK)
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