[ADD] crm_livechat: Create leads from livechat discussions with '/lead' command

addons/crm_livechat/__init__.py

@@ -0,0 +1,4 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import models

addons/crm_livechat/__manifest__.py

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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+{
+    'name': 'CRM Livechat',
+    'category': 'crm',
+    'summary': 'Create lead from livechat conversation',
+    'depends': [
+        'crm',
+        'im_livechat'
+    ],
+    'description': 'Create new lead with using /lead command in the channel',
+    'auto_install': True
+}

addons/crm_livechat/models/__init__.py

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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import mail_channel

addons/crm_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 models, _
+from odoo.tools import html2plaintext
+
+class MailChannel(models.Model):
+    _inherit = 'mail.channel'
+
+    def _define_command_lead(self):
+        return {'help': _('Create a new lead (/lead lead title)')}
+
+    def _execute_command_lead(self, **kwargs):
+        partner = self.env.user.partner_id
+        key = kwargs['body']
+        channel_partners = self.env['mail.channel.partner'].search([
+            ('partner_id', '!=', partner.id),
+            ('channel_id', '=', self.id)], limit=1
+        )
+        if key.strip() == '/lead':
+            msg = self._define_command_lead()['help']
+        else:
+            description = ''.join(
+                '%s: %s\n' % (message.author_id.name or self.anonymous_name, message.body)
+                for message in self.channel_message_ids.sorted('id')
+            )
+            lead = self.env['crm.lead'].create({
+                'name': html2plaintext(key[5:]),
+                'partner_id': channel_partners.partner_id.id,
+                'user_id': None,
+                'team_id': None,
+                'description': html2plaintext(description),
+                'referred': partner.name
+            })
+            lead._onchange_partner_id()
+            msg = _('Created a new lead: <a href="#" data-oe-id="%s" data-oe-model="crm.lead">%s</a>') % (lead.id, lead.name)
+        self._send_transient_message(partner, msg)