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diff --git a/addons/auth_signup/models/res_users.py b/addons/auth_signup/models/res_users.py
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+++ b/addons/auth_signup/models/res_users.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+import logging
+
+from ast import literal_eval
+from collections import defaultdict
+from dateutil.relativedelta import relativedelta
+
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError
+from odoo.osv import expression
+from odoo.tools.misc import ustr
+
+from odoo.addons.base.models.ir_mail_server import MailDeliveryException
+from odoo.addons.auth_signup.models.res_partner import SignupError, now
+
+_logger = logging.getLogger(__name__)
+
+class ResUsers(models.Model):
+    _inherit = 'res.users'
+
+    state = fields.Selection(compute='_compute_state', search='_search_state', string='Status',
+                 selection=[('new', 'Never Connected'), ('active', 'Confirmed')])
+
+    def _search_state(self, operator, value):
+        negative = operator in expression.NEGATIVE_TERM_OPERATORS
+
+        # In case we have no value
+        if not value:
+            return expression.TRUE_DOMAIN if negative else expression.FALSE_DOMAIN
+
+        if operator in ['in', 'not in']:
+            if len(value) > 1:
+                return expression.FALSE_DOMAIN if negative else expression.TRUE_DOMAIN
+            if value[0] == 'new':
+                comp = '!=' if negative else '='
+            if value[0] == 'active':
+                comp = '=' if negative else '!='
+            return [('log_ids', comp, False)]
+
+        if operator in ['=', '!=']:
+            # In case we search against anything else than new, we have to invert the operator
+            if value != 'new':
+                operator = expression.TERM_OPERATORS_NEGATION[operator]
+
+            return [('log_ids', operator, False)]
+
+        return expression.TRUE_DOMAIN
+
+    def _compute_state(self):
+        for user in self:
+            user.state = 'active' if user.login_date else 'new'
+
+    @api.model
+    def signup(self, values, token=None):
+        """ signup a user, to either:
+            - create a new user (no token), or
+            - create a user for a partner (with token, but no user for partner), or
+            - change the password of a user (with token, and existing user).
+            :param values: a dictionary with field values that are written on user
+            :param token: signup token (optional)
+            :return: (dbname, login, password) for the signed up user
+        """
+        if token:
+            # signup with a token: find the corresponding partner id
+            partner = self.env['res.partner']._signup_retrieve_partner(token, check_validity=True, raise_exception=True)
+            # invalidate signup token
+            partner.write({'signup_token': False, 'signup_type': False, 'signup_expiration': False})
+
+            partner_user = partner.user_ids and partner.user_ids[0] or False
+
+            # avoid overwriting existing (presumably correct) values with geolocation data
+            if partner.country_id or partner.zip or partner.city:
+                values.pop('city', None)
+                values.pop('country_id', None)
+            if partner.lang:
+                values.pop('lang', None)
+
+            if partner_user:
+                # user exists, modify it according to values
+                values.pop('login', None)
+                values.pop('name', None)
+                partner_user.write(values)
+                if not partner_user.login_date:
+                    partner_user._notify_inviter()
+                return (self.env.cr.dbname, partner_user.login, values.get('password'))
+            else:
+                # user does not exist: sign up invited user
+                values.update({
+                    'name': partner.name,
+                    'partner_id': partner.id,
+                    'email': values.get('email') or values.get('login'),
+                })
+                if partner.company_id:
+                    values['company_id'] = partner.company_id.id
+                    values['company_ids'] = [(6, 0, [partner.company_id.id])]
+                partner_user = self._signup_create_user(values)
+                partner_user._notify_inviter()
+        else:
+            # no token, sign up an external user
+            values['email'] = values.get('email') or values.get('login')
+            self._signup_create_user(values)
+
+        return (self.env.cr.dbname, values.get('login'), values.get('password'))
+
+    @api.model
+    def _get_signup_invitation_scope(self):
+        return self.env['ir.config_parameter'].sudo().get_param('auth_signup.invitation_scope', 'b2b')
+
+    @api.model
+    def _signup_create_user(self, values):
+        """ signup a new user using the template user """
+
+        # check that uninvited users may sign up
+        if 'partner_id' not in values:
+            if self._get_signup_invitation_scope() != 'b2c':
+                raise SignupError(_('Signup is not allowed for uninvited users'))
+        return self._create_user_from_template(values)
+
+    def _notify_inviter(self):
+        for user in self:
+            invite_partner = user.create_uid.partner_id
+            if invite_partner:
+                # notify invite user that new user is connected
+                title = _("%s connected", user.name)
+                message = _("This is his first connection. Wish him welcome")
+                self.env['bus.bus'].sendone(
+                    (self._cr.dbname, 'res.partner', invite_partner.id),
+                    {'type': 'user_connection', 'title': title,
+                     'message': message, 'partner_id': user.partner_id.id}
+                )
+
+    def _create_user_from_template(self, values):
+        template_user_id = literal_eval(self.env['ir.config_parameter'].sudo().get_param('base.template_portal_user_id', 'False'))
+        template_user = self.browse(template_user_id)
+        if not template_user.exists():
+            raise ValueError(_('Signup: invalid template user'))
+
+        if not values.get('login'):
+            raise ValueError(_('Signup: no login given for new user'))
+        if not values.get('partner_id') and not values.get('name'):
+            raise ValueError(_('Signup: no name or partner given for new user'))
+
+        # create a copy of the template user (attached to a specific partner_id if given)
+        values['active'] = True
+        try:
+            with self.env.cr.savepoint():
+                return template_user.with_context(no_reset_password=True).copy(values)
+        except Exception as e:
+            # copy may failed if asked login is not available.
+            raise SignupError(ustr(e))
+
+    def reset_password(self, login):
+        """ retrieve the user corresponding to login (login or email),
+            and reset their password
+        """
+        users = self.search([('login', '=', login)])
+        if not users:
+            users = self.search([('email', '=', login)])
+        if len(users) != 1:
+            raise Exception(_('Reset password: invalid username or email'))
+        return users.action_reset_password()
+
+    def action_reset_password(self):
+        """ create signup token for each user, and send their signup url by email """
+        if self.env.context.get('install_mode', False):
+            return
+        if self.filtered(lambda user: not user.active):
+            raise UserError(_("You cannot perform this action on an archived user."))
+        # prepare reset password signup
+        create_mode = bool(self.env.context.get('create_user'))
+
+        # no time limit for initial invitation, only for reset password
+        expiration = False if create_mode else now(days=+1)
+
+        self.mapped('partner_id').signup_prepare(signup_type="reset", expiration=expiration)
+
+        # send email to users with their signup url
+        template = False
+        if create_mode:
+            try:
+                template = self.env.ref('auth_signup.set_password_email', raise_if_not_found=False)
+            except ValueError:
+                pass
+        if not template:
+            template = self.env.ref('auth_signup.reset_password_email')
+        assert template._name == 'mail.template'
+
+        template_values = {
+            'email_to': '${object.email|safe}',
+            'email_cc': False,
+            'auto_delete': True,
+            'partner_to': False,
+            'scheduled_date': False,
+        }
+        template.write(template_values)
+
+        for user in self:
+            if not user.email:
+                raise UserError(_("Cannot send email: user %s has no email address.", user.name))
+            # TDE FIXME: make this template technical (qweb)
+            with self.env.cr.savepoint():
+                force_send = not(self.env.context.get('import_file', False))
+                template.send_mail(user.id, force_send=force_send, raise_exception=True)
+            _logger.info("Password reset email sent for user <%s> to <%s>", user.login, user.email)
+
+    def send_unregistered_user_reminder(self, after_days=5):
+        datetime_min = fields.Datetime.today() - relativedelta(days=after_days)
+        datetime_max = datetime_min + relativedelta(hours=23, minutes=59, seconds=59)
+
+        res_users_with_details = self.env['res.users'].search_read([
+            ('share', '=', False),
+            ('create_uid.email', '!=', False),
+            ('create_date', '>=', datetime_min),
+            ('create_date', '<=', datetime_max),
+            ('log_ids', '=', False)], ['create_uid', 'name', 'login'])
+
+        # group by invited by
+        invited_users = defaultdict(list)
+        for user in res_users_with_details:
+            invited_users[user.get('create_uid')[0]].append("%s (%s)" % (user.get('name'), user.get('login')))
+
+        # For sending mail to all the invitors about their invited users
+        for user in invited_users:
+            template = self.env.ref('auth_signup.mail_template_data_unregistered_users').with_context(dbname=self._cr.dbname, invited_users=invited_users[user])
+            template.send_mail(user, notif_layout='mail.mail_notification_light', force_send=False)
+
+    @api.model
+    def web_create_users(self, emails):
+        inactive_users = self.search([('state', '=', 'new'), '|', ('login', 'in', emails), ('email', 'in', emails)])
+        new_emails = set(emails) - set(inactive_users.mapped('email'))
+        res = super(ResUsers, self).web_create_users(list(new_emails))
+        if inactive_users:
+            inactive_users.with_context(create_user=True).action_reset_password()
+        return res
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        # overridden to automatically invite user to sign up
+        users = super(ResUsers, self).create(vals_list)
+        if not self.env.context.get('no_reset_password'):
+            users_with_email = users.filtered('email')
+            if users_with_email:
+                try:
+                    users_with_email.with_context(create_user=True).action_reset_password()
+                except MailDeliveryException:
+                    users_with_email.partner_id.with_context(create_user=True).signup_cancel()
+        return users
+
+    @api.returns('self', lambda value: value.id)
+    def copy(self, default=None):
+        self.ensure_one()
+        sup = super(ResUsers, self)
+        if not default or not default.get('email'):
+            # avoid sending email to the user we are duplicating
+            sup = super(ResUsers, self.with_context(no_reset_password=True))
+        return sup.copy(default=default)