django-helpdesk/helpdesk/update_ticket.py

403 lines
13 KiB
Python

import typing
from django.core.exceptions import ValidationError
from django.contrib.auth import get_user_model
from django.utils import timezone
from django.utils.translation import gettext as _
from helpdesk.lib import safe_template_context
from helpdesk import settings as helpdesk_settings
from helpdesk.lib import process_attachments
from helpdesk.decorators import (
is_helpdesk_staff,
)
from helpdesk.models import (
FollowUp,
Ticket,
TicketCC,
)
from helpdesk.signals import update_ticket_done
User = get_user_model()
def add_staff_subscription(
user: User,
ticket: Ticket
) -> None:
"""Auto subscribe the staff member if that's what the settigs say and the
user is authenticated and a staff member"""
if helpdesk_settings.HELPDESK_AUTO_SUBSCRIBE_ON_TICKET_RESPONSE \
and user.is_authenticated \
and return_ticketccstring_and_show_subscribe(user, ticket)[1]:
subscribe_to_ticket_updates(ticket, user)
def return_ticketccstring_and_show_subscribe(user, ticket):
"""used in view_ticket() and followup_edit()"""
# create the ticketcc_string and check whether current user is already
# subscribed
username = user.get_username().upper()
try:
useremail = user.email.upper()
except AttributeError:
useremail = ""
strings_to_check = list()
strings_to_check.append(username)
strings_to_check.append(useremail)
ticketcc_string = ''
all_ticketcc = ticket.ticketcc_set.all()
counter_all_ticketcc = len(all_ticketcc) - 1
show_subscribe = True
for i, ticketcc in enumerate(all_ticketcc):
ticketcc_this_entry = str(ticketcc.display)
ticketcc_string += ticketcc_this_entry
if i < counter_all_ticketcc:
ticketcc_string += ', '
if strings_to_check.__contains__(ticketcc_this_entry.upper()):
show_subscribe = False
# check whether current user is a submitter or assigned to ticket
assignedto_username = str(ticket.assigned_to).upper()
strings_to_check = list()
if ticket.submitter_email is not None:
submitter_email = ticket.submitter_email.upper()
strings_to_check.append(submitter_email)
strings_to_check.append(assignedto_username)
if strings_to_check.__contains__(username) or strings_to_check.__contains__(useremail):
show_subscribe = False
return ticketcc_string, show_subscribe
def subscribe_to_ticket_updates(ticket, user=None, email=None, can_view=True, can_update=False):
if ticket is not None:
queryset = TicketCC.objects.filter(
ticket=ticket, user=user, email=email)
# Don't create duplicate entries for subscribers
if queryset.count() > 0:
return queryset.first()
if user is None and len(email) < 5:
raise ValidationError(
_('When you add somebody on Cc, you must provide either a User or a valid email. Email: %s' % email)
)
return ticket.ticketcc_set.create(
user=user,
email=email,
can_view=can_view,
can_update=can_update
)
def get_and_set_ticket_status(
new_status: int,
ticket: Ticket,
follow_up: FollowUp
) -> typing.Tuple[str, int]:
"""Performs comparision on previous status to new status,
updating the title as required.
Returns:
The old status as a display string, old status code string
"""
old_status_str = ticket.get_status_display()
old_status = ticket.status
if new_status != ticket.status:
ticket.status = new_status
ticket.save()
follow_up.new_status = new_status
if follow_up.title:
follow_up.title += ' and %s' % ticket.get_status_display()
else:
follow_up.title = '%s' % ticket.get_status_display()
if not follow_up.title:
if follow_up.comment:
follow_up.title = _('Comment')
else:
follow_up.title = _('Updated')
follow_up.save()
return old_status_str, old_status
def update_messages_sent_to_by_public_and_status(
public: bool,
ticket: Ticket,
follow_up: FollowUp,
context: str,
messages_sent_to: typing.Set[str],
files: typing.List[typing.Tuple[str, str]]
) -> Ticket:
"""Sets the status of the ticket"""
if public and (
follow_up.comment or (
follow_up.new_status in (
Ticket.RESOLVED_STATUS,
Ticket.CLOSED_STATUS
)
)
):
if follow_up.new_status == Ticket.RESOLVED_STATUS:
template = 'resolved_'
elif follow_up.new_status == Ticket.CLOSED_STATUS:
template = 'closed_'
else:
template = 'updated_'
roles = {
'submitter': (template + 'submitter', context),
'ticket_cc': (template + 'cc', context),
}
if ticket.assigned_to and ticket.assigned_to.usersettings_helpdesk.email_on_ticket_change:
roles['assigned_to'] = (template + 'cc', context)
messages_sent_to.update(
ticket.send(
roles,
dont_send_to=messages_sent_to,
fail_silently=True,
files=files
)
)
return ticket
def get_template_staff_and_template_cc(
reassigned, follow_up: FollowUp
) -> typing.Tuple[str, str]:
if reassigned:
template_staff = 'assigned_owner'
elif follow_up.new_status == Ticket.RESOLVED_STATUS:
template_staff = 'resolved_owner'
elif follow_up.new_status == Ticket.CLOSED_STATUS:
template_staff = 'closed_owner'
else:
template_staff = 'updated_owner'
if reassigned:
template_cc = 'assigned_cc'
elif follow_up.new_status == Ticket.RESOLVED_STATUS:
template_cc = 'resolved_cc'
elif follow_up.new_status == Ticket.CLOSED_STATUS:
template_cc = 'closed_cc'
else:
template_cc = 'updated_cc'
return template_staff, template_cc
def update_ticket(
user,
ticket,
title=None,
comment="",
files=None,
public=False,
owner=-1,
ticket_title=None,
priority=-1,
queue=-1,
new_status=None,
time_spent=None,
due_date=None,
new_checklists=None,
message_id=None,
customfields_form=None,
):
# We need to allow the 'ticket' and 'queue' contexts to be applied to the
# comment.
context = safe_template_context(ticket)
if title is None:
title = ticket.title
if priority == -1:
priority = ticket.priority
if queue == -1:
queue = ticket.queue.id
if new_status is None:
new_status = ticket.status
if new_checklists is None:
new_checklists = {}
from django.template import engines
template_func = engines['django'].from_string
# this prevents system from trying to render any template tags
# broken into two stages to prevent changes from first replace being themselves
# changed by the second replace due to conflicting syntax
comment = comment.replace(
'{%', 'X-HELPDESK-COMMENT-VERBATIM').replace('%}', 'X-HELPDESK-COMMENT-ENDVERBATIM')
comment = comment.replace(
'X-HELPDESK-COMMENT-VERBATIM', '{% verbatim %}{%'
).replace(
'X-HELPDESK-COMMENT-ENDVERBATIM', '%}{% endverbatim %}'
)
# render the neutralized template
comment = template_func(comment).render(context)
if owner == -1 and ticket.assigned_to:
owner = ticket.assigned_to.id
f = FollowUp(ticket=ticket, date=timezone.now(), comment=comment,
time_spent=time_spent, message_id=message_id, title=title)
if is_helpdesk_staff(user):
f.user = user
f.public = public
reassigned = False
old_owner = ticket.assigned_to
if owner != -1:
if owner != 0 and ((ticket.assigned_to and owner != ticket.assigned_to.id) or not ticket.assigned_to):
new_user = User.objects.get(id=owner)
f.title = _('Assigned to %(username)s') % {
'username': new_user.get_username(),
}
ticket.assigned_to = new_user
reassigned = True
# user changed owner to 'unassign'
elif owner == 0 and ticket.assigned_to is not None:
f.title = _('Unassigned')
ticket.assigned_to = None
old_status_str, old_status = get_and_set_ticket_status(new_status, ticket, f)
files = process_attachments(f, files) if files else []
if ticket_title and ticket_title != ticket.title:
c = f.ticketchange_set.create(
field=_('Title'),
old_value=ticket.title,
new_value=ticket_title,
)
ticket.title = ticket_title
if new_status != old_status:
c = f.ticketchange_set.create(
field=_('Status'),
old_value=old_status_str,
new_value=ticket.get_status_display(),
)
if ticket.assigned_to != old_owner:
c = f.ticketchange_set.create(
field=_('Owner'),
old_value=old_owner,
new_value=ticket.assigned_to,
)
if priority != ticket.priority:
c = f.ticketchange_set.create(
field=_('Priority'),
old_value=ticket.priority,
new_value=priority,
)
ticket.priority = priority
if queue != ticket.queue.id:
c = f.ticketchange_set.create(
field=_('Queue'),
old_value=ticket.queue.id,
new_value=queue,
)
ticket.queue_id = queue
if due_date != ticket.due_date:
c = f.ticketchange_set.create(
field=_('Due on'),
old_value=ticket.due_date,
new_value=due_date,
)
ticket.due_date = due_date
# save custom fields and ticket changes
if customfields_form and customfields_form.is_valid():
customfields_form.save(followup=f)
for checklist in ticket.checklists.all():
if checklist.id not in new_checklists:
continue
new_completed_tasks = new_checklists[checklist.id]
for task in checklist.tasks.all():
changed = None
# Add completion if it was not done yet
if not task.completion_date and task.id in new_completed_tasks:
task.completion_date = timezone.now()
changed = 'completed'
# Remove it if it was done before
elif task.completion_date and task.id not in new_completed_tasks:
task.completion_date = None
changed = 'uncompleted'
# Save and add ticket change if task state has changed
if changed:
task.save(update_fields=['completion_date'])
f.ticketchange_set.create(
field=f'[{checklist.name}] {task.description}',
old_value=_('To do') if changed == 'completed' else _('Completed'),
new_value=_('Completed') if changed == 'completed' else _('To do'),
)
if new_status in (
Ticket.RESOLVED_STATUS, Ticket.CLOSED_STATUS
) and (
new_status == Ticket.RESOLVED_STATUS or ticket.resolution is None
):
ticket.resolution = comment
# ticket might have changed above, so we re-instantiate context with the
# (possibly) updated ticket.
context = safe_template_context(ticket)
context.update(
resolution=ticket.resolution,
comment=f.comment,
)
messages_sent_to = set()
try:
messages_sent_to.add(user.email)
except AttributeError:
pass
ticket = update_messages_sent_to_by_public_and_status(
public,
ticket,
f,
context,
messages_sent_to,
files
)
template_staff, template_cc = get_template_staff_and_template_cc(reassigned, f)
if ticket.assigned_to and (
ticket.assigned_to.usersettings_helpdesk.email_on_ticket_change
or (reassigned and ticket.assigned_to.usersettings_helpdesk.email_on_ticket_assign)
):
messages_sent_to.update(ticket.send(
{'assigned_to': (template_staff, context)},
dont_send_to=messages_sent_to,
fail_silently=True,
files=files,
))
messages_sent_to.update(ticket.send(
{'ticket_cc': (template_cc, context)},
dont_send_to=messages_sent_to,
fail_silently=True,
files=files,
))
ticket.save()
# emit signal with followup when the ticket update is done
# internally used for webhooks
update_ticket_done.send(sender="update_ticket", followup=f)
# auto subscribe user if enabled
add_staff_subscription(user, ticket)
return f