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diff --git a/addons/website_livechat/models/mail_channel.py b/addons/website_livechat/models/mail_channel.py
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+++ b/addons/website_livechat/models/mail_channel.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+
+
+class MailChannel(models.Model):
+    _inherit = 'mail.channel'
+
+    livechat_visitor_id = fields.Many2one('website.visitor', string='Visitor')
+
+    def _execute_channel_pin(self, pinned=False):
+        """ Override to clean an empty livechat channel.
+         This is typically called when the operator send a chat request to a website.visitor
+         but don't speak to him and closes the chatter.
+         This allows operators to send the visitor a new chat request.
+         If active empty livechat channel,
+         delete mail_channel as not useful to keep empty chat
+         """
+        super(MailChannel, self)._execute_channel_pin(pinned)
+        if self.livechat_active and not self.channel_message_ids:
+            self.unlink()
+
+    def channel_info(self, extra_info=False):
+        """
+        Override to add visitor information on the mail channel infos.
+        This will be used to display a banner with visitor informations
+        at the top of the livechat channel discussion view in discuss module.
+        """
+        channel_infos = super(MailChannel, self).channel_info(extra_info)
+        channel_infos_dict = dict((c['id'], c) for c in channel_infos)
+        for channel in self:
+            visitor = channel.livechat_visitor_id
+            if visitor:
+                channel_infos_dict[channel.id]['visitor'] = {
+                    'name': visitor.display_name,
+                    'country_code': visitor.country_id.code.lower() if visitor.country_id else False,
+                    'country_id': visitor.country_id.id,
+                    'is_connected': visitor.is_connected,
+                    'history': self.sudo()._get_visitor_history(visitor),
+                    'website': visitor.website_id.name,
+                    'lang': visitor.lang_id.name,
+                    'partner_id': visitor.partner_id.id,
+                }
+        return list(channel_infos_dict.values())
+
+    def _get_visitor_history(self, visitor):
+        """
+        Prepare history string to render it in the visitor info div on discuss livechat channel view.
+        :param visitor: website.visitor of the channel
+        :return: arrow separated string containing navigation history information
+        """
+        recent_history = self.env['website.track'].search([('page_id', '!=', False), ('visitor_id', '=', visitor.id)], limit=3)
+        return ' → '.join(visit.page_id.name + ' (' + visit.visit_datetime.strftime('%H:%M') + ')' for visit in reversed(recent_history))
+
+    def _get_visitor_leave_message(self, operator=False, cancel=False):
+        name = _('The visitor') if not self.livechat_visitor_id else self.livechat_visitor_id.display_name
+        if cancel:
+            message = _("""%s has started a conversation with %s. 
+                        The chat request has been canceled.""") % (name, operator or _('an operator'))
+        else:
+            message = _('%s has left the conversation.', name)
+
+        return message
+
+    @api.returns('mail.message', lambda value: value.id)
+    def message_post(self, **kwargs):
+        """Override to mark the visitor as still connected.
+        If the message sent is not from the operator (so if it's the visitor or
+        odoobot sending closing chat notification, the visitor last action date is updated."""
+        message = super(MailChannel, self).message_post(**kwargs)
+        message_author_id = message.author_id
+        visitor = self.livechat_visitor_id
+        if len(self) == 1 and visitor and message_author_id != self.livechat_operator_id:
+            visitor._update_visitor_last_visit()
+        return message