Source code for town6.views.chat

from __future__ import annotations

from onegov.core.security import Private, Public
from onegov.town6 import TownApp
from morepath import redirect

from onegov.chat.collections import ChatCollection
from onegov.chat.models import Chat
from onegov.town6.forms.chat import ChatInitiationForm, ChatActionsForm
from onegov.core.templates import render_template
from onegov.town6.layout import StaffChatLayout, ClientChatLayout
from onegov.town6.layout import DefaultLayout, ArchivedChatsLayout
from onegov.org.layout import DefaultMailLayout
from onegov.org.mail import send_ticket_mail
from webob.exc import HTTPForbidden
from onegov.town6 import _
from onegov.org.models import TicketMessage
from onegov.ticket import TicketCollection
from onegov.user import User


from typing import TYPE_CHECKING
if TYPE_CHECKING:
    from onegov.core.types import RenderData
    from onegov.town6.request import TownRequest
    from webob import Response


@TownApp.form(
    model=ChatCollection,
    template='chats_staff.pt',
    form=ChatActionsForm,
    permission=Private)


def view_chats_staff(
    self: ChatCollection,
    request: TownRequest,
    form: ChatActionsForm
) -> RenderData:

    user = request.current_user
    assert user is not None

    all_chats = ChatCollection(request.session).query()
    open_requests = all_chats.filter(Chat.user_id == None).filter(
        Chat.chat_history != []
    ).filter(Chat.active == True)
    active_chats = all_chats.filter(Chat.user_id == user.id).filter(
        Chat.active == True)

    if form.submitted(request):
        chat = ChatCollection(request.session).query().filter(
            Chat.id == form.chat_id.data).one()

        action = request.POST.get('chat-action')
        if action == 'end-chat':
            args: RenderData = {
                'layout': DefaultMailLayout(object(), request),
                'title': request.translate(
                    _('Chat History with ${org}', mapping={
                        'org': request.app.org.title
                    })
                ),
                'organisation': request.app.org.title,
                'chat': chat,
            }

            request.app.send_transactional_email(
                subject=args['title'],
                receivers=(chat.email, user.username),
                content=render_template(
                    'mail_chat_customer.pt', request, args
                )
            )

        elif action == 'create-ticket':
            with all_chats.session.no_autoflush:
                ticket = TicketCollection(request.session).open_ticket(
                    handler_code='CHT', handler_id=chat.id.hex
                )
                TicketMessage.create(ticket, request, 'opened', 'external')

                send_ticket_mail(
                    request=request,
                    template='mail_turned_chat_into_ticket.pt',
                    subject=_('Your Chat has been turned into a ticket'),
                    receivers=(chat.email, ),
                    ticket=ticket,
                    content={
                        'model': self,
                        'ticket': ticket,
                        'chat': chat,
                        'organisation': request.app.org.title,
                    }
                )

    return {
        'title': _('Chats'),
        'form': form,
        'layout': StaffChatLayout(self, request),
        'user': user,
        'open_requests': open_requests.all(),
        'active_chats': active_chats.all()
    }



@TownApp.html(
    model=ChatCollection,
    template='chats_archive.pt',
    name='archive',
    permission=Private)


def view_chats_archive(
    self: ChatCollection,
    request: TownRequest
) -> RenderData:

    user = request.current_user

    return {
        'title': _('Archived Chats'),
        'layout': ArchivedChatsLayout(self, request),
        'user': user,
        'archived_chats': self.batch
    }



@TownApp.form(
    model=ChatCollection,
    template='form.pt',
    name='initiate',
    permission=Public,
    form=ChatInitiationForm)


def view_chat_form(
    self: ChatCollection,
    request: TownRequest,
    form: ChatInitiationForm
) -> RenderData | Response:

    if not request.app.chat_open(request) and not request.is_manager:
        raise HTTPForbidden()

    active_chat_id = request.browser_session.get('active_chat_id')
    if active_chat_id and (chat := self.by_id(active_chat_id)) and chat.active:
        return redirect(request.link(chat))

    if form.submitted(request):
        assert form.name.data is not None
        assert form.email.data is not None
        chat = self.add(
            form.name.data,
            form.email.data,
            form.topic.data if form.topic else _('General')
        )
        request.browser_session['active_chat_id'] = chat.id
        return redirect(request.link(chat))

    return {
        'title': _('Chat Customer'),
        'layout': DefaultLayout(self, request),
        'form': form
    }



@TownApp.html(
    model=Chat,
    template='chat_customer.pt',
    permission=Public)


def view_customer_chat(self: Chat, request: TownRequest) -> RenderData:

    active_chat_id = request.browser_session.get('active_chat_id')
    if not request.is_manager and self.id != active_chat_id:
        raise HTTPForbidden()

    return {
        'title': _('Chat Customer'),
        'layout': ClientChatLayout(self, request),
        'chat': self,
        'customer_name': self.customer_name
    }



@TownApp.html(
    model=Chat,
    template='chat_staff.pt',
    name='staff-view',
    permission=Public)


def view_staff_chat(self: Chat, request: TownRequest) -> RenderData:

    active_chat_id = request.browser_session.get('active_chat_id')
    if not request.is_manager and self.id != active_chat_id:
        raise HTTPForbidden()

    staff = request.session.query(User).filter_by(
        id=self.user_id).first()
    staff_username = staff.username if staff else ''

    return {
        'title': f'Chat {self.customer_name}',
        'layout': ArchivedChatsLayout(self, request),
        'chat': self,
        'customer_name': self.customer_name,
        'staff': staff_username
    }