[IMP] pos, hw_drivers, hw_posbox_homepage: Six terminals

Add support for Six payment terminals.

TaskId: 1932416

Linked to odoo/enterprise#4435

--
I confirm I have signed the CLA and read the PR guidelines at www.odoo.com/submit-pr

closes odoo/odoo#33673

Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>

addons/hw_drivers/controllers/driver.py

@@ -19,6 +19,7 @@ from glob import glob
 from base64 import b64decode
 from pathlib import Path
 import socket
+import ctypes
 
 from odoo import http, _
 from odoo.modules.module import get_resource_path
@@ -379,6 +380,7 @@ class Manager(Thread):
         while 1:
             updated_devices = self.usb_loop()
             updated_devices.update(self.video_loop())
+            updated_devices.update(mpdm.devices)
             updated_devices.update(bt_devices)
             updated_devices.update(socket_devices)
             updated_devices.update(self.serial_loop())
@@ -441,11 +443,46 @@ class SocketManager(Thread):
                 iot_device = IoTDevice(type('', (), {'dev': dev}), 'socket')
                 socket_devices[addr[0]] = iot_device
 
+class MPDManager(Thread):
+    def __init__(self):
+        super(MPDManager, self).__init__()
+        self.devices = {}
+        self.mpd_session = ctypes.c_void_p()
+
+    def run(self):
+        eftapi.EFT_CreateSession(ctypes.byref(self.mpd_session))
+        eftapi.EFT_PutDeviceId(self.mpd_session, terminal_id.encode())
+        while True:
+            if self.terminal_connected(terminal_id):
+                self.devices[terminal_id] = IoTDevice(terminal_id, 'mpd')
+            elif terminal_id in self.devices:
+                self.devices = {}
+            time.sleep(20)
+
+    def terminal_connected(self, terminal_id):
+        eftapi.EFT_QueryStatus(self.mpd_session)
+        eftapi.EFT_Complete(self.mpd_session, 1)  # Needed to read messages from driver
+        device_status = ctypes.c_long()
+        eftapi.EFT_GetDeviceStatusCode(self.mpd_session, ctypes.byref(device_status))
+        return device_status.value in [0, 1]
+
+
 conn = cups_connection()
 PPDs = conn.getPPDs()
 printers = conn.getPrinters()
 cups_lock = Lock()  # We can only make one call to Cups at a time
 
+mpdm = MPDManager()
+terminal_id = read_file_first_line('odoo-six-payment-terminal.conf')
+if terminal_id:
+    try:
+        subprocess.check_output(["pidof", "eftdvs"])  # Check if MPD server is running
+    except subprocess.CalledProcessError:
+        subprocess.Popen(["eftdvs", "/ConfigDir", "/usr/share/eftdvs/"])  # Start MPD server
+    eftapi = ctypes.CDLL("eftapi.so")  # Library given by Six
+    mpdm.daemon = True
+    mpdm.start()
+
 m = Manager()
 m.daemon = True
 m.start()

addons/hw_posbox_homepage/controllers/main.py

@@ -53,6 +53,7 @@ wifi_config_template = jinja_env.get_template('wifi_config.html')
 driver_list_template = jinja_env.get_template('driver_list.html')
 remote_connect_template = jinja_env.get_template('remote_connect.html')
 configure_wizard_template = jinja_env.get_template('configure_wizard.html')
+six_payment_terminal_template = jinja_env.get_template('six_payment_terminal.html')
 
 class IoTboxHomepage(web.Home):
 
@@ -72,6 +73,12 @@ class IoTboxHomepage(web.Home):
             statuses[driver] = hw_proxy.drivers[driver].get_status()
         return statuses
 
+    def get_six_terminal(self):
+        path = Path.home() / 'odoo-six-payment-terminal.conf'
+        if path.exists():
+            return path.read_text()
+        return 'Not Configured'
+
     def get_homepage_data(self):
         hostname = str(socket.gethostname())
         mac = get_mac()
@@ -113,6 +120,7 @@ class IoTboxHomepage(web.Home):
             'mac': ":".join(i + next(h) for i in h),
             'iot_device_status': iot_device,
             'server_status': get_odoo_server_url() or 'Not Configured',
+            'six_terminal': self.get_six_terminal(),
             'network_status': network,
             }
 
@@ -296,3 +304,30 @@ class IoTboxHomepage(web.Home):
             return 'starting with ' + auth_token
         else:
             return 'already running'
+
+    @http.route('/six_payment_terminal', type='http', auth='none', cors='*', csrf=False)
+    def six_payment_terminal(self):
+        return six_payment_terminal_template.render({
+            'title': 'Six Payment Terminal',
+            'breadcrumb': 'Six Payment Terminal',
+            'terminalId': self.get_six_terminal(),
+        })
+
+    @http.route('/six_payment_terminal_add', type='http', auth='none', cors='*', csrf=False)
+    def add_six_payment_terminal(self, terminal_id):
+        subprocess.check_call(["sudo", "mount", "-o", "remount,rw", "/"])
+        path = Path.home() / 'odoo-six-payment-terminal.conf'
+        path.write_text(terminal_id)
+        subprocess.check_call(["sudo", "service", "odoo", "restart"])
+        subprocess.check_call(["sudo", "mount", "-o", "remount,ro", "/"])
+        return 'http://' + get_ip() + ':8069'
+
+    @http.route('/six_payment_terminal_clear', type='http', auth='none', cors='*', csrf=False)
+    def clear_six_payment_terminal(self):
+        subprocess.check_call(["sudo", "mount", "-o", "remount,rw", "/"])
+        path = Path.home() / 'odoo-six-payment-terminal.conf'
+        if path.exists():
+            path.unlink()
+        subprocess.check_call(["sudo", "service", "odoo", "restart"])
+        subprocess.check_call(["sudo", "mount", "-o", "remount,ro", "/"])
+        return "<meta http-equiv='refresh' content='0; url=http://" + get_ip() + ":8069'>"

addons/hw_posbox_homepage/views/homepage.html

@@ -22,6 +22,7 @@
         font-weight: bold;
         vertical-align: top;
         width: 30%;
+        text-align: left;
     }
     .device-status {
         margin: 6px 0;
@@ -109,6 +110,12 @@
             <td class="heading">Server</td>
             <td><a href='{{ server_status }}' target=_blank>{{ server_status }}<a class="btn btn-sm float-right" href='/server'>configure</a></td>
         </tr>
+        {% if server_status != "Not Configured" %}
+        <tr>
+            <td class="heading">Six payment terminal</td>
+            <td>{{ six_terminal }} <a class="btn btn-sm float-right" href='/six_payment_terminal'>configure</a></td>
+        </tr>
+        {% endif %}
         <tr>
             <td class="heading">IOT Device</td>
             <td>

addons/hw_posbox_homepage/views/six_payment_terminal.html

@@ -0,0 +1,61 @@
+{% extends "layout.html" %}
+{% from "loading.html" import loading_block_ui %}
+{% block head %}
+    <script>
+        var _onQueryDone = function () {
+            $('.message-status').html('Updated configuration <br> Refreshing page');
+            setTimeout(function () {
+                location.reload();
+            }, 30000);
+        }
+        $(document).ready(function () {
+            $('#terminal-id').submit(function(e){
+                e.preventDefault();
+                $('.loading-block').removeClass('o_hide');
+                $.ajax({
+                    url: '/six_payment_terminal_add',
+                    type: 'post',
+                    data: $('#terminal-id').serialize(),
+                }).always(_onQueryDone);
+            });
+            $('#terminal-clear').submit(function(e){
+                e.preventDefault();
+                $('.loading-block').removeClass('o_hide');
+                $.ajax({
+                    url: '/six_payment_terminal_clear',
+                    type: 'get',
+                }).always(_onQueryDone);
+            });
+        });
+    </script>
+{% endblock %}
+{% block content %}
+    <h2 class="text-center">Six Payment Terminal</h2>
+    <p>
+        Set the Terminal ID (TID) of the terminal you want to use.
+    </p>
+    <form id="terminal-id" action='/six_payment_terminal_add' method='POST'>
+        <table align="center">
+            <tr>
+                <td>Terminal ID</td>
+                <td><input type="text" name="terminal_id"></td>
+            </tr>
+            <tr>
+                <td/>
+                <td><input class="btn" type="submit" value="Connect"/></td>
+            </tr>
+        </table>
+        {{ loading_block_ui(loading_message) }}
+    </form>
+    {% if terminalId %}
+        <p class="text-center font-small">
+            Current Terminal Id: <strong>{{ terminalId }}</strong>
+        </p>
+        <div class="text-center font-small" style="margin: 10px auto;">
+            You can clear the terminal configuration
+            <form id="terminal-clear" style="display: inline-block;margin-left: 4px;">
+                <input class="btn btn-sm" type="submit" value="Clear"/>
+            </form>
+        </div>
+    {% endif %}
+{% endblock %}

addons/point_of_sale/static/src/js/screens.js

@@ -1945,12 +1945,7 @@ var PaymentScreenWidget = ScreenWidget.extend({
         }
 
         var lines = order.get_paymentlines();
-        var due   = order.get_due();
-        var extradue = 0;
-        if (due && lines.length  && due !== order.get_due(lines[lines.length-1])) {
-            extradue = due;
-        }
-
+        var extradue = this.compute_extradue(order);
 
         this.$('.paymentlines-container').empty();
         var lines = $(QWeb.render('PaymentScreen-Paymentlines', { 
@@ -1970,6 +1965,14 @@ var PaymentScreenWidget = ScreenWidget.extend({
             
         lines.appendTo(this.$('.paymentlines-container'));
     },
+    compute_extradue: function (order) {
+        var lines = order.get_paymentlines();
+        var due   = order.get_due();
+        if (due && lines.length  && due !== order.get_due(lines[lines.length-1])) {
+            return due;
+        }
+        return 0;
+    },
     click_paymentmethods: function(id) {
         var payment_method = this.pos.payment_methods_by_id[id]
         this.pos.get_order().add_paymentline(payment_method);

addons/point_of_sale/tools/posbox/overwrite_after_init/usr/share/eftdvs/eftdvs.cfg

@@ -0,0 +1 @@
+/Trace logstd /TraceDir /var/log/eftdvs

addons/point_of_sale/tools/posbox/overwrite_before_init/etc/init_posbox_image.sh

@@ -121,6 +121,9 @@ PIP_TO_INSTALL="
 
 pip3 install ${PIP_TO_INSTALL}
 
+# Dowload MPD server and library for Six terminals
+wget 'https://nightly.odoo.com/master/iotbox/eftdvs' -P /usr/local/bin/
+wget 'https://nightly.odoo.com/master/iotbox/eftapi.so' -P /usr/lib/
 
 groupadd usbusers
 usermod -a -G usbusers pi

addons/point_of_sale/views/point_of_sale.xml

@@ -5,14 +5,12 @@
             <link rel="stylesheet" href="/web/static/lib/fontawesome/css/font-awesome.css"/>
             <link rel="stylesheet" href="/point_of_sale/static/src/css/pos.css" id="pos-stylesheet"/>
             <link rel="stylesheet" href="/point_of_sale/static/src/css/keyboard.css"/>
-            <link rel="stylesheet" href="/point_of_sale/static/src/css/pos_receipts.css"/>
 
             <link rel="stylesheet" type="text/less" href="/web/static/src/scss/fontawesome_overridden.scss"/>
 
             <script type="text/javascript" src="/point_of_sale/static/lib/backbone/backbone.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/lib/waitfont.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/lib/sha1.js"></script>
-            <script type="text/javascript" src="/point_of_sale/static/lib/html2canvas.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/src/js/main.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/src/js/db.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/src/js/models.js"></script>
@@ -24,7 +22,6 @@
             <script type="text/javascript" src="/point_of_sale/static/src/js/gui.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/src/js/popups.js"></script>
             <script type="text/javascript" src="/point_of_sale/static/src/js/screens.js"></script>
-            <script type="text/javascript" src="/point_of_sale/static/src/js/printers.js"></script>
         </template>
 
     <template id="customer_facing_display_html" >

addons/point_of_sale/views/point_of_sale_template.xml

@@ -3,7 +3,10 @@
     <template id="assets_backend" name="hr assets" inherit_id="web.assets_backend">
         <xpath expr="." position="inside">
             <link rel="stylesheet" type="text/scss" href="/point_of_sale/static/src/scss/pos_dashboard.scss"/>
+            <link rel="stylesheet" href="/point_of_sale/static/src/css/pos_receipts.css"/>
             <script type="text/javascript" src="/point_of_sale/static/src/js/tours/point_of_sale.js"></script>
+            <script type="text/javascript" src="/point_of_sale/static/src/js/printers.js"></script>
+            <script type="text/javascript" src="/point_of_sale/static/lib/html2canvas.js"></script>
         </xpath>
     </template>
 

addons/point_of_sale/views/pos_session_view.xml

@@ -13,13 +13,13 @@
                         attrs="{'invisible' : ['|', ('cash_control', '=', False), ('state', '!=', 'opening_control')]}" class="oe_highlight"/>
                     <button name="open_frontend_cb" type="object" string="Continue Selling" states="opened"
                         class="oe_highlight"/>
-                    <button name="action_pos_session_closing_control" type="object" string="End of Session"
+                    <button id="end_session_opened" name="action_pos_session_closing_control" type="object" string="End of Session"
                         attrs="{'invisible' : ['|', ('cash_control', '=', False),('state', '!=', 'opened')]}"
                         class="oe_highlight"/>
-                    <button name="action_pos_session_closing_control" type="object" string="Validate Closing &amp; Post Entries"
+                    <button id="validate_opened" name="action_pos_session_closing_control" type="object" string="Validate Closing &amp; Post Entries"
                         attrs="{'invisible' : ['|', ('cash_control', '=', True),('state', '!=', 'opened')]}"
                         class="oe_highlight"/>
-                    <button name="action_pos_session_validate" type="object" string="Validate Closing &amp; Post Entries" states="closing_control"
+                    <button id="validate_closing_control" name="action_pos_session_validate" type="object" string="Validate Closing &amp; Post Entries" states="closing_control"
                         class="oe_highlight"/>
 
                     <field name="state" widget="statusbar" statusbar_visible="new_session,opening_control,opened,closing_control,closed" nolabel="1" />