Jul 27 : [ADD] Initial Commit 'sale_invoice_due_date_reminder'

sale_invoice_due_date_reminder/README.rst

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+.. image:: https://img.shields.io/badge/licence-AGPL--3-blue.svg
+    :target: https://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+
+Due Date Reminder for Invoicing and Sales
+================
+This module will help you to send reminder mail for all the partners with due on sale order and invoicing.
+
+Configuration
+=============
+* No additional configurations needed
+
+Company
+-------
+* `Cybrosys Techno Solutions <https://cybrosys.com/>`__
+
+License
+-------
+Affero General Public License v3.0 (AGPL v3)
+(https://www.gnu.org/licenses/agpl-3.0-standalone.html)
+
+Credits
+-------
+Developer : (V16) Amaya Aravind @ Cybrosys
+
+Contacts
+--------
+* Mail Contact : odoo@cybrosys.com
+* Website : https://cybrosys.com
+
+Bug Tracker
+-----------
+Bugs are tracked on GitHub Issues. In case of trouble, please check there if your issue has already been reported.
+
+Maintainer
+==========
+.. image:: https://cybrosys.com/images/logo.png
+   :target: https://cybrosys.com
+
+This module is maintained by Cybrosys Technologies.
+
+For support and more information, please visit `Our Website <https://cybrosys.com/>`__
+
+Further information
+===================
+HTML Description: `<static/description/index.html>`__

sale_invoice_due_date_reminder/__init__.py

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+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+from . import models

sale_invoice_due_date_reminder/__manifest__.py

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+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+{
+    'name': 'Due Date Reminder for Invoicing and Sales',
+    'version': '16.0.1.0.0',
+    'category': 'Sales, Accounting',
+    'summary': """Send reminder mail for all the partners with due on sale 
+                  order and invoicing.""",
+    'description': """This module crafted by Cybrosys Technologies provides 
+                      an option to send reminder mail for all the partners 
+                      with due on sale order and invoicing.By using scheduled 
+                      action, it will send reminder mail in the exact time.""",
+    'author': 'Cybrosys Techno Solutions',
+    'company': 'Cybrosys Techno Solutions',
+    'maintainer': 'Cybrosys Techno Solutions',
+    'website': "https://www.cybrosys.com",
+    'images': ['static/description/banner.png'],
+    'depends': ['base', 'sale_management', 'account'],
+    'data': [
+        'data/mail_data.xml',
+        'data/ir_cron_data.xml',
+        'views/sale_order_views.xml',
+        'views/res_config_settings_views.xml',
+    ],
+    'license': 'AGPL-3',
+    'installable': True,
+    'auto_install': False,
+    'application': False,
+}

sale_invoice_due_date_reminder/data/ir_cron_data.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+<!--    Scheduled action for sale order due date reminder-->
+    <data noupdate="1">
+        <record id="ir_cron_scheduler_recurring_action_due_sale_order" model="ir.cron">
+            <field name="name">Sale Order: Due Reminder Email</field>
+            <field name="model_id" ref="model_sale_order"/>
+            <field name="state">code</field>
+            <field name="code">model.action_send_mail_sale_order()</field>
+            <field name="user_id" ref="base.user_root"/>
+            <field name="interval_number">1</field>
+            <field name="interval_type">days</field>
+            <field name="numbercall">-1</field>
+        </record>
+<!--        Scheduled action for invoice due date reminder-->
+        <record id="ir_cron_scheduler_recurring_action_due_invoice" model="ir.cron">
+            <field name="name">Invoice: Due Reminder Email</field>
+            <field name="model_id" ref="model_account_move"/>
+            <field name="state">code</field>
+            <field name="code">model.action_send_mail_invoice()</field>
+            <field name="user_id" ref="base.user_root"/>
+            <field name="interval_number">1</field>
+            <field name="interval_type">days</field>
+            <field name="numbercall">-1</field>
+        </record>
+    </data>
+</odoo>

sale_invoice_due_date_reminder/data/mail_data.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+<!--    Template for sale order due reminder-->
+    <data noupdate="1">
+        <record id="sale_order_due_mail_template" model="mail.template">
+            <field name="name">Sale Order: Due Reminder Email</field>
+            <field name="model_id" ref="model_sale_order"/>
+            <field name="email_from">{{ object.company_id.partner_id.email }}</field>
+            <field name="email_to">{{ object.partner_id.email }}</field>
+            <field name="subject">Reminder for {{ object.name }} Expiration</field>
+            <field name="body_html" type="html">
+                <div style="margin: 0px; padding: 0px;">
+                    <p style="margin: 0px; padding: 0px; font-size: 13px;">
+                        <h4><b>Dear <t t-out="object.partner_id.name"/>,</b></h4>
+                        <br/>
+                        Sale Order - <b><t t-out="object.name"/></b> is going to expire.
+                        The due date is on <b><t t-out="object.due_date_order"/></b>.
+                        <br/>
+                        Please take necessary actions.
+                        <br/>
+                        <br/>
+                        <b>More details of Order <t t-out="object.name"/></b> :<br/>
+                        Order Name : <t t-out="object.name"/><br/>
+                        Created Date : <t t-out="object.date_order"/><br/>
+                        Sales Person : <t t-out="object.user_id.partner_id.name"/><br/>
+                        Partner Name :  <t t-out="object.partner_id.name"/><br/>
+                        Total Order Amount : <t t-out="object.amount_total"/><br/>
+                        <br/>
+                    </p>
+                </div>
+            </field>
+        </record>
+<!--        Template for invoice due reminder-->
+         <record id="invoice_due_mail_template" model="mail.template">
+            <field name="name">Invoice: Due Reminder Email</field>
+            <field name="model_id" ref="model_account_move"/>
+            <field name="email_from">{{ object.company_id.partner_id.email }}</field>
+            <field name="email_to">{{ object.partner_id.email }}</field>
+            <field name="subject">Reminder for {{ object.name }} Expiration</field>
+            <field name="body_html" type="html">
+                <div style="margin: 0px; padding: 0px;">
+                    <p style="margin: 0px; padding: 0px; font-size: 13px;">
+                        <h4><b>Dear <t t-out="object.partner_id.name"/>,</b></h4>
+                        <br/>
+                        Invoice - <b><t t-out="object.name"/></b> is going to expire.
+                        The due date is on <b><t t-out="object.invoice_date_due"/></b>.
+                        <br/>
+                        Please take necessary actions.
+                        <br/>
+                        <br/>
+                        <b>More details of Invoice <t t-out="object.name"/></b> :<br/>
+                        Invoice Name : <t t-out="object.name"/><br/>
+                        Created Date : <t t-out="object.invoice_date"/><br/>
+                        Sales Person : <t t-out="object.user_id.partner_id.name"/><br/>
+                        Partner Name :  <t t-out="object.partner_id.name"/><br/>
+                        Total Order Amount : <t t-out="object.amount_total"/><br/>
+                        Amount Paid : <t t-out="object.amount_paid"/><br/>
+                        Amount Due : <t t-out="object.amount_residual"/><br/>
+                        <br/>
+                    </p>
+                </div>
+            </field>
+        </record>
+    </data>
+</odoo>

sale_invoice_due_date_reminder/doc/RELEASE_NOTES.md

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+## Module <sale_invoice_due_date_reminder>
+#### 27.07.2023
+#### Version 16.0.1.0.0
+#### ADD
+-Initial Commit for Due Date Reminder for Invoicing and Sales.

sale_invoice_due_date_reminder/models/__init__.py

@@ -0,0 +1,24 @@
+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+from . import account_move
+from . import res_config_settings
+from . import sale_order

sale_invoice_due_date_reminder/models/account_move.py

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+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+from datetime import timedelta
+from odoo import fields, models
+
+
+class AccountMove(models.Model):
+    """Class for the inherited model account. move"""
+    _inherit = 'account.move'
+
+    def action_send_mail_invoice(self):
+        """Function for sending mail by checking date in settings. """
+        values = self.env['res.config.settings'].default_get(
+            list(self.env['res.config.settings'].fields_get()))
+        if values['reminder_invoicing'] is not False:
+            for record in self.search([]):
+                if record.invoice_date_due and record.move_type == 'out_invoice':
+                    if record.state == 'draft':
+                        if record.invoice_date_due == timedelta(int(values[
+                                                                        'set_date_invoicing'])) + fields.Date.today():
+                            mail_template = self.env.ref(
+                                'sale_invoice_due_date_reminder.invoice_due_mail_template')
+                            mail_template.send_mail(record.id, force_send=True)
+                    elif record.state == 'posted' and record.payment_state != 'paid' and record.invoice_date_due == timedelta(
+                            int(values[
+                                    'set_date_invoicing'])) + fields.Date.today():
+                        mail_template = self.env.ref(
+                            'sale_invoice_due_date_reminder.invoice_due_mail_template')
+                        mail_template.send_mail(record.id, force_send=True)

sale_invoice_due_date_reminder/models/res_config_settings.py

@@ -0,0 +1,45 @@
+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    """Class for the inherited transient model res.config.settings."""
+    _inherit = 'res.config.settings'
+
+    reminder_sales = fields.Boolean(string='Reminder for Sales',
+                                    help='Enable this field to get reminder '
+                                         'of due in Sale Order.',
+                                    config_parameter='sale_invoice_due_date_reminder.reminder_sale')
+    set_date_sales = fields.Integer(string='Set Days',
+                                    help='Reminder will send according to this '
+                                         'number of days set in this field.',
+                                    config_parameter='sale_invoice_due_date_reminder.set_date_sales')
+    reminder_invoicing = fields.Boolean(string='Reminder for Invoicing',
+                                        help='Enable this field to get '
+                                             'reminder of due in Invoicing.',
+                                        config_parameter='sale_invoice_due_date_reminder.reminder_invoicing')
+    set_date_invoicing = fields.Integer(string='Set Days',
+                                        help='Reminder will send according to '
+                                             'this number of days set in this '
+                                             'field.',
+                                        config_parameter='sale_invoice_due_date_reminder.set_date_invoicing')

sale_invoice_due_date_reminder/models/sale_order.py

@@ -0,0 +1,67 @@
+# -*- coding: utf-8 -*-
+###############################################################################
+#
+#    Cybrosys Technologies Pvt. Ltd.
+#
+#    Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>)
+#    Author: Amaya Aravind EV (odoo@cybrosys.com)
+#
+#    You can modify it under the terms of the GNU AFFERO
+#    GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
+#
+#    This program is distributed in the hope that it will be useful,
+#    but WITHOUT ANY WARRANTY; without even the implied warranty of
+#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#    GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
+#
+#    You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
+#    (AGPL v3) along with this program.
+#    If not, see <http://www.gnu.org/licenses/>.
+#
+###############################################################################
+from datetime import timedelta
+from odoo import fields, models
+
+
+class SaleOrder(models.Model):
+    """Class for inherited model sale order."""
+    _inherit = 'sale.order'
+
+    due_date_order = fields.Date(string="Due Date",
+                                 help='Set a due date for the Order')
+
+    def action_send_mail_sale_order(self):
+        """Function for sending mail by checking date in settings. """
+        values = self.env['res.config.settings'].default_get(
+            list(self.env['res.config.settings'].fields_get()))
+        if values['reminder_sales'] is not False:
+            for record in self.search([]):
+                if record.due_date_order and record.invoice_status != 'invoiced':
+                    if record.invoice_status == 'upselling' or record.invoice_status == 'to invoice':
+                        if record.due_date_order == timedelta(int(values[
+                                                                      'set_date_sales'])) + fields.Date.today():
+                            mail_template = self.env.ref(
+                                'sale_invoice_due_date_reminder.sale_order_due_mail_template')
+                            mail_template.send_mail(record.id,
+                                                    force_send=True)
+                    elif record.invoice_status == 'no':
+                        if record.invoice_count == 0:
+                            if record.due_date_order == timedelta(
+                                    int(values[
+                                            'set_date_sales'])) + fields.Date.today():
+                                mail_template = self.env.ref(
+                                    'sale_invoice_due_date_reminder.sale_order_due_mail_template')
+                                mail_template.send_mail(record.id,
+                                                        force_send=True)
+                        else:
+                            payment_list = record.invoice_ids.mapped(
+                                'payment_state')
+                            if (
+                                    'not_paid' or 'in_payment' or 'partial' or 'reversed' or 'invoicing_legacy') in payment_list:
+                                if record.due_date_order == timedelta(
+                                        int(values[
+                                                'set_date_sales'])) + fields.Date.today():
+                                    mail_template = self.env.ref(
+                                        'sale_invoice_due_date_reminder.sale_order_due_mail_template')
+                                    mail_template.send_mail(record.id,
+                                                            force_send=True)

sale_invoice_due_date_reminder/static/description/index.html

@@ -0,0 +1,603 @@
+<div style="background-color: #714B67; height: 810px; width: 100%; padding: 15px; position: relative;">
+    <!-- TITLE BAR -->
+    <div class="d-flex align-items-center justify-content-between"
+         style="border-bottom: 1px solid #875A7B; padding: 15px; display: flex; justify-content: space-between; align-items: center;">
+        <img src="assets/misc/cybrosys-logo.png" width="42" height="42"
+             style="width: 42px; height: 42px;"/>
+        <div>
+            <div
+                    style="color: #7C7BAD; font-size: 14px; font-family: 'Montserrat', sans-serif; font-weight: bold; background-color: white; display: inline-block; padding: 3px 10px; border-radius: 50px;"
+                    class="mr-2">
+                <i class="fa fa-check mr-1"></i>Community
+            </div>
+            <div
+                    style="color: #875A7B; font-size: 14px; font-family: 'Montserrat', sans-serif; font-weight: bold; background-color: white; display: inline-block; padding: 3px 10px; border-radius: 50px;"
+                    class="mr-2">
+                <i class="fa fa-check mr-1"></i>Enterprise
+            </div>
+            <div
+                    style="color: #017E84; font-size: 14px; font-family: 'Montserrat', sans-serif; font-weight: bold; background-color: white; display: inline-block; padding: 3px 10px; border-radius: 50px;"
+                    class="mr-2">
+                <i class="fa fa-check mr-1"></i>Odoo.sh
+            </div>
+        </div>
+    </div>
+    <!-- END OF TITLE BAR -->
+    <div class="container">
+        <div class="row">
+            <div class="col-sm-12 col-md-12 col-lg-12">
+                <!-- APP HERO -->
+                <h1 style="color: #FFFFFF; font-weight: bolder; font-size: 50px; text-align: center; margin-top: 50px;">
+                    Due Date Reminder For Invoicing And Sales</h1>
+                <p style="color:#FFFFFF; padding: 8px 15px; text-align: center; font-size: 24px;">
+                    Send reminder mail for due on sale orders and invoices.</p>
+                <!-- END OF APP HERO -->
+                <img src="assets/screenshots/hero.gif" class="img-responsive"
+                     style="width: 100%; margin-left: auto; margin-right: auto;"/>
+            </div>
+        </div>
+    </div>
+</div>
+<!-- NAVIGATION SECTION -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px; margin-top: 300px;">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/compass.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Explore This
+        Module</h2>
+</div>
+<div class="row my-4" style="font-family: 'Montserrat', sans-serif;">
+    <div class="col-sm-12 col-md-6 my-3">
+        <a href="#overview">
+            <div class="d-flex justify-content-between align-items-center"
+                 style="background-color: #f5f5f5; padding: 30px; width: 100%;">
+                <div>
+                    <span style="color: #714B67; font-size: 24px; font-weight: 500; display: block;">Overview</span>
+                    <span style="color: #714B67; font-size: 16px; font-weight: 400; color:#282F33;  display: block;">Learn
+            more about this
+            module</span>
+                </div>
+                <img src="assets/misc/right-arrow.png" width="36" height="36"/>
+            </div>
+        </a>
+    </div>
+    <div class="col-sm-12 col-md-6 my-3">
+        <a href="#features">
+            <div class="d-flex justify-content-between align-items-center"
+                 style="background-color: #f5f5f5; padding: 30px; width: 100%;">
+                <div>
+                    <span style="color: #714B67; font-size: 24px; font-weight: 500; display: block;">Features</span>
+                    <span style="color: #714B67; font-size: 16px; font-weight: 400; color:#282F33;  display: block;">View
+            features of this
+            module</span>
+                </div>
+                <img src="assets/misc/right-arrow.png" width="36" height="36"/>
+            </div>
+        </a>
+    </div>
+    <div class="col-sm-12 col-md-6 my-3">
+        <a href="#screenshots">
+            <div class="d-flex justify-content-between align-items-center"
+                 style="background-color: #f5f5f5; padding: 30px; width: 100%;">
+                <div>
+                    <span style="color: #714B67; font-size: 24px; font-weight: 500; display: block;">Screenshots</span>
+                    <span style="color: #714B67; font-size: 16px; font-weight: 400; color:#282F33;  display: block;">View
+            screenshots for this
+            module</span>
+                </div>
+                <img src="assets/misc/right-arrow.png" width="36" height="36"/>
+            </div>
+        </a>
+    </div>
+</div>
+<!-- END OF NAVIGATION SECTION -->
+
+<!-- OVERVIEW SECTION -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;" id="overview">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/pie-chart.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Overview
+    </h2>
+</div>
+<div class="row"
+     style="font-family: 'Montserrat', sans-serif; font-weight: 400; font-size: 14px; line-height: 200%;">
+    <div class="col-sm-12 py-4">
+        This module will help you to send reminder mail for all the partners
+        with due on sale order and invoicing.
+    </div>
+</div>
+<!-- END OF OVERVIEW SECTION -->
+
+<!-- FEATURES SECTION -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;" id="features">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/features.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Features
+    </h2>
+</div>
+<div class="row"
+     style="font-family: 'Montserrat', sans-serif; font-weight: 400; font-size: 14px; line-height: 200%;">
+    <div class="col-sm-12 col-md-6">
+        <div class="d-flex align-items-center"
+             style="margin-top: 40px; margin-bottom: 40px">
+            <img src="assets/misc/check-box.png" class="mr-2"/>
+            <span style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">Scheduled action for sending reminder mails.</span>
+        </div>
+        <div class="d-flex align-items-center"
+             style="margin-top: 30px; margin-bottom: 30px">
+            <img src="assets/misc/check-box.png" class="mr-2"/>
+            <span style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">The mails will send according to the days that set in settings. </span>
+        </div>
+        <div class="d-flex align-items-center"
+             style="margin-top: 30px; margin-bottom: 30px">
+            <img src="assets/misc/check-box.png" class="mr-2"/>
+            <span style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">No need of other configurations.</span>
+        </div>
+    </div>
+    <div class="col-sm-12 col-md-6">
+    </div>
+</div>
+<!-- END OF FEATURES SECTION -->
+
+<!-- SCREENSHOTS SECTION -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;"
+     id="screenshots">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/pictures.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Screenshots
+    </h2>
+</div>
+<div class="row">
+    <div class="col-sm-12">
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Set due date for sale order.
+            </h3>
+            <img src="assets/screenshots/3.png"
+                 class="img-thumbnail">
+        </div>
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Field for setting days in settings of sales.
+            </h3>
+            <p style="font-weight: 400; font-family: 'Montserrat', sans-serif; font-size: 14px;">
+                The reminder mail will send according this number of days. Eg:
+                if you set 5 , the reminder mail will send 5 days before the due
+                date that set in that of sale order.
+            </p>
+            <img src="assets/screenshots/1.png"
+                 class="img-thumbnail">
+        </div>
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Reminder mail for sale order.
+            </h3>
+            <img src="assets/screenshots/5.png"
+                 class="img-thumbnail">
+        </div>
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Set due date for invoice.
+            </h3>
+            <img src="assets/screenshots/4.png"
+                 class="img-thumbnail">
+        </div>
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Field for setting days in settings of invoicing.
+            </h3>
+            <p style="font-weight: 400; font-family: 'Montserrat', sans-serif; font-size: 14px;">
+                The reminder mail will send according this number of days. Eg:
+                if you set 2 , the reminder mail will send 2 days before the due
+                date that set in that of invoice.
+            </p>
+            <img src="assets/screenshots/2.png"
+                 class="img-thumbnail">
+        </div>
+        <div style="display: block; margin: 30px auto;">
+            <h3 style="font-family: 'Montserrat', sans-serif; font-size: 18px; font-weight: bold;">
+                Reminder mail for invoices.
+            </h3>
+            <img src="assets/screenshots/6.png"
+                 class="img-thumbnail">
+        </div>
+    </div>
+</div>
+<!-- END OF SCREENSHOTS SECTION -->
+
+<!-- RELATED PRODUCTS -->
+<div class="d-flex align-items-center" style="border-bottom: 2px solid #714B67; padding: 15px 0px;">
+  <div class="d-flex justify-content-center align-items-center mr-2"
+    style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+    <img src="assets/misc/categories.png" />
+  </div>
+  <h2 class="mt-2" style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">Related
+    Products
+  </h2>
+</div>
+<div class="row">
+  <div class="col-sm-12">
+    <div id="demo1" class="row carousel slide" data-ride="carousel">
+      <!-- The slideshow -->
+      <div class="carousel-inner" style="padding: 30px;">
+        <div class="carousel-item" style="min-height: 198.656px;">
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/todo_list/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/1.png">
+              </div>
+            </a>
+          </div>
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/multi_branch_base/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/2.png">
+              </div>
+            </a>
+          </div>
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/odoo_dynamic_dashboard/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/3.png">
+              </div>
+            </a>
+          </div>
+        </div>
+        <div class="carousel-item active" style="min-height: 198.656px;">
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/hide_menu_user/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/4.png">
+              </div>
+            </a>
+          </div>
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/readonly_unit_price_cybrosys/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/5.png">
+              </div>
+            </a>
+          </div>
+          <div class="col-xs-12 col-sm-4 col-md-4 mb16 mt16" style="float:left">
+            <a href="https://apps.odoo.com/apps/modules/16.0/activity_dashboard_mngmnt/" target="_blank">
+              <div style="border-radius:10px">
+                <img class="img img-responsive center-block" style="border-radius: 0px;" src="assets/modules/6.png">
+              </div>
+            </a>
+          </div>
+        </div>
+      </div>
+      <!-- Left and right controls -->
+      <a class="carousel-control-prev" href="#demo1" data-slide="prev" style="width:35px; color:#000"> <span
+          class="carousel-control-prev-icon"><i class="fa fa-chevron-left" style="font-size:24px"></i></span>
+      </a> <a class="carousel-control-next" href="#demo1" data-slide="next" style="width:35px; color:#000">
+        <span class="carousel-control-next-icon"><i class="fa fa-chevron-right" style="font-size:24px"></i></span>
+      </a>
+    </div>
+  </div>
+</div>
+<!-- END OF RELATED PRODUCTS -->
+
+<!-- OUR SERVICES -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/star.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Our Services
+    </h2>
+</div>
+<div class="container my-5">
+    <div class="row">
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #1dd1a1 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/cogs.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Customization</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #ff6b6b !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/wrench.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Implementation</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #6462CD !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/lifebuoy.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Support</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #ffa801 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/user.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Hire
+                Odoo
+                Developer</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #54a0ff  !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/puzzle.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Integration</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #6d7680 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/update.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Migration</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #786fa6 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/consultation.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Consultancy</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #f8a5c2 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/training.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Implementation</h6>
+        </div>
+        <div class="col-lg-4 d-flex flex-column justify-content-center align-items-center my-4">
+            <div class="d-flex justify-content-center align-items-center mx-3 my-3"
+                 style="background-color: #e6be26 !important; border-radius: 15px !important; height: 80px; width: 80px;">
+                <img src="assets/icons/license.png" class="img-responsive"
+                     height="48px" width="48px">
+            </div>
+            <h6 class="text-center"
+                style="font-family: Montserrat, 'sans-serif' !important; font-weight: bold;">
+                Odoo
+                Licensing Consultancy</h6>
+        </div>
+    </div>
+</div>
+<!-- END OF OUR SERVICES -->
+
+<!-- OUR INDUSTRIES -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/corporate.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Our
+        Industries
+    </h2>
+</div>
+<div class="container my-5">
+    <div class="row">
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/trading-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Trading
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Easily procure
+                    and
+                    sell your products</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/pos-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    POS
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Easy
+                    configuration
+                    and convivial experience</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/education-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Education
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    A platform for
+                    educational management</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/manufacturing-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Manufacturing
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Plan, track and
+                    schedule your operations</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/ecom-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    E-commerce &amp; Website
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Mobile
+                    friendly,
+                    awe-inspiring product pages</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/service-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Service Management
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Keep track of
+                    services and invoice</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/restaurant-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Restaurant
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    Run your bar or
+                    restaurant methodically</p>
+            </div>
+        </div>
+        <div class="col-lg-3">
+            <div class="my-4 d-flex flex-column justify-content-center"
+                 style="background-color: #f6f8f9 !important; border-radius: 0px; padding: 2rem !important; height: 250px !important;">
+                <img src="assets/icons/hotel-black.png"
+                     class="img-responsive mb-3" height="48px" width="48px">
+                <h5 style="font-family: Montserrat, sans-serif !important; color: #000 !important; font-weight: bold;">
+                    Hotel Management
+                </h5>
+                <p style="font-family: Montserrat, sans-serif !important; font-size: 0.9rem !important;">
+                    An
+                    all-inclusive
+                    hotel management application</p>
+            </div>
+        </div>
+    </div>
+</div>
+<!-- END OF OUR INDUSTRIES -->
+
+<!-- SUPPORT -->
+<div class="d-flex align-items-center"
+     style="border-bottom: 2px solid #714B67; padding: 15px 0px;">
+    <div class="d-flex justify-content-center align-items-center mr-2"
+         style="background-color: #F5F5F5; border-radius: 0px; width: 40px; height: 40px;">
+        <img src="assets/misc/customer-support.png"/>
+    </div>
+    <h2 class="mt-2"
+        style="font-family: 'Montserrat', sans-serif; font-size: 24px; font-weight: bold;">
+        Support
+    </h2>
+</div>
+<div class="container mt-5">
+    <div class="row">
+        <div class="col-sm-12 col-md-6">
+            <div style="background-color: #F6F8F9; padding: 30px; display: flex; align-items: center;">
+                <div class="mr-4 d-flex justify-content-center align-items-center"
+                     style="background-color: #714B67; display: inline-block; height: 70px; width: 70px; display: flex; align-items: center; justify-content: center;">
+                    <img src="assets/misc/support.png" height="48" width="48"
+                         style="width: 42px; height: 42px;"/>
+                </div>
+                <div>
+                    <h4>Need Help?</h4>
+                    <p style="line-height: 100%;">Got questions or need help?
+                        Get in touch.</p>
+                    <a href="mailto:odoo@cybrosys.com">
+                        <p style="font-weight: 400; font-size: 28px; line-height: 80%; color: #714B67;">
+                            odoo@cybrosys.com</p>
+                    </a>
+                </div>
+            </div>
+        </div>
+        <div class="col-sm-12 col-md-6">
+            <div style="background-color: #F6F8F9; padding: 30px; display: flex; align-items: center;">
+                <div class="mr-4 d-flex justify-content-center align-items-center"
+                     style="background-color: #2AC44D; display: inline-block; height: 70px; width: 70px; display: flex; align-items: center; justify-content: center;">
+                    <img src="assets/misc/whatsapp.png" height="52" width="52"
+                         style="width: 52px; height: 52px;"/>
+                </div>
+                <div>
+                    <h4>WhatsApp</h4>
+                    <p style="line-height: 100%;">Say hi to us on WhatsApp!</p>
+                    <a href="https://api.whatsapp.com/send?phone=918606827707">
+                        <p style="font-weight: 400; font-size: 28px; line-height: 80%; color: #714B67;">
+                            +91 86068
+                            27707</p>
+                    </a>
+                </div>
+            </div>
+        </div>
+    </div>
+    <div class="row">
+        <div class="col-sm-12 my-5 d-flex justify-content-center align-items-center">
+            <img src="assets/misc/logo.png" width="144" height="31"
+                 style="width:144px; height: 31px; margin-top: 40px;"/>
+        </div>
+    </div>
+</div>
+<!-- END OF SUPPORT -->

sale_invoice_due_date_reminder/views/res_config_settings_views.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+<!--    Inherited form view of res config settings of sales inorder to add new
+        fields for sale due date reminder-->
+    <record id="res_config_settings_sale_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.sale.invoice.due.date.reminder</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="sale.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@name='invoicing_setting_container']"
+                   position="after">
+                <h2>Order Due Reminder</h2>
+                <div class="row mt16 o_settings_container"
+                     name="sale_order_due_reminder_container">
+                    <div class="col-12 col-lg-6 o_setting_box"
+                         id="order_due_reminder">
+                        <div class="o_setting_left_pane">
+                            <field name="reminder_sales"/>
+                        </div>
+                        <div class="o_setting_right_pane">
+                            <label for="reminder_sales"/>
+                            <div class="text-muted">
+                                Enable this to get reminder of due in Sale
+                                Order.
+                            </div>
+                            <div class="row mt16"
+                                 attrs="{'invisible': [('reminder_sales', '=', False)]}">
+                                <label for="set_date_sales"
+                                       class="col-lg-4 o_light_label"/>
+                                <field name="set_date_sales"
+                                       class="oe_inline"/>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </xpath>
+        </field>
+    </record>
+<!--    Inherited form view of res config settings of invoice, inorder to add
+        new fields for invoice due date reminder-->
+    <record id="res_config_settings_account_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.sale.invoice.due.date.reminder</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="account.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//div[@id='invoicing_settings']" position="after">
+                <h2>Invoice Due Reminder</h2>
+                <div class="row mt16 o_settings_container"
+                     name="invoice_due_reminder_container">
+                    <div class="col-12 col-lg-6 o_setting_box"
+                         id="invoice_due_reminder">
+                        <div class="o_setting_left_pane">
+                            <field name="reminder_invoicing"/>
+                        </div>
+                        <div class="o_setting_right_pane">
+                            <label for="reminder_invoicing"/>
+                            <div class="text-muted">
+                                Enable this to get reminder of due in Sale
+                                Order.
+                            </div>
+                            <div class="row mt16"
+                                 attrs="{'invisible': [('reminder_invoicing', '=', False)]}">
+                                <label for="set_date_invoicing"
+                                       class="col-lg-4 o_light_label"/>
+                                <field name="set_date_invoicing"
+                                       class="oe_inline"/>
+                            </div>
+                        </div>
+                    </div>
+                </div>
+            </xpath>
+        </field>
+    </record>
+</odoo>

sale_invoice_due_date_reminder/views/sale_order_views.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+<!--    Inherited form view of sale order to add a new field for due date-->
+    <record id="view_order_form" model="ir.ui.view">
+        <field name="name">sale.order.view.form.inherit.sale.invoice.due.date.reminder</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='date_order']" position="after">
+                <field name="due_date_order" string="Due Date"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>