lejeune quentin
17c181ac74
We replace the SSID of the IoTBox with a unique SSID closes odoo/odoo#46255 X-original-commit: c847c1cb149e386331ff2e5b19a58862e1b66714 Signed-off-by: Quentin Lejeune (qle) <qle@odoo.com>
219 lines
8.4 KiB
Python
219 lines
8.4 KiB
Python
import jinja2
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import json
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import logging
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import netifaces as ni
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import os
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from pathlib import Path
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import subprocess
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import threading
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import time
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import urllib3
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from odoo import http
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from odoo.addons.hw_drivers.tools import helpers
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from odoo.addons.hw_drivers.controllers.driver import Driver, event_manager, iot_devices
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path = os.path.realpath(os.path.join(os.path.dirname(__file__), '../views'))
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loader = jinja2.FileSystemLoader(path)
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jinja_env = jinja2.Environment(loader=loader, autoescape=True)
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jinja_env.filters["json"] = json.dumps
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pos_display_template = jinja_env.get_template('pos_display.html')
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_logger = logging.getLogger(__name__)
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class DisplayDriver(Driver):
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connection_type = 'display'
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def __init__(self, device):
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super(DisplayDriver, self).__init__(device)
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self._device_type = 'display'
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self._device_connection = 'hdmi'
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self._device_name = device['name']
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self.event_data = threading.Event()
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self.owner = False
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self.rendered_html = ''
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if self.device_identifier != 'distant_display':
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self._x_screen = device.get('x_screen', '0')
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self.load_url()
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@property
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def device_identifier(self):
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return self.dev['identifier']
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@classmethod
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def supported(cls, device):
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return True # All devices with connection_type == 'display' are supported
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@classmethod
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def get_default_display(cls):
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displays = list(filter(lambda d: iot_devices[d].device_type == 'display', iot_devices))
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return len(displays) and iot_devices[displays[0]]
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def action(self, data):
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if data.get('action') == "update_url":
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self.update_url(data.get('url'))
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elif data.get('action') == "display_refresh":
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self.call_xdotools('F5')
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elif data.get('action') == "take_control":
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self.take_control(self.data['owner'], data.get('html'))
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elif data.get('action') == "customer_facing_display":
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self.update_customer_facing_display(self.data['owner'], data.get('html'))
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elif data.get('action') == "get_owner":
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self.data = {
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'value': '',
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'owner': self.owner,
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}
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event_manager.device_changed(self)
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def run(self):
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while self.device_identifier != 'distant_display':
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time.sleep(60)
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if self.url != 'http://localhost:8069/point_of_sale/display/' + self.device_identifier:
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# Refresh the page every minute
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self.call_xdotools('F5')
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def update_url(self, url=None):
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os.environ['DISPLAY'] = ":0." + self._x_screen
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os.environ['XAUTHORITY'] = '/run/lightdm/pi/xauthority'
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firefox_env = os.environ.copy()
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firefox_env['HOME'] = '/tmp/' + self._x_screen
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self.url = url or 'http://localhost:8069/point_of_sale/display/' + self.device_identifier
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new_window = subprocess.call(['xdotool', 'search', '--onlyvisible', '--screen', self._x_screen, '--class', 'Firefox'])
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subprocess.Popen(['firefox', self.url], env=firefox_env)
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if new_window:
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self.call_xdotools('F11')
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def load_url(self):
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url = None
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if helpers.get_odoo_server_url():
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# disable certifiacte verification
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urllib3.disable_warnings()
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http = urllib3.PoolManager(cert_reqs='CERT_NONE')
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try:
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response = http.request('GET', "%s/iot/box/%s/screen_url" % (helpers.get_odoo_server_url(), helpers.get_mac_address()))
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if response.status == 200:
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data = json.loads(response.data.decode('utf8'))
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url = data[self.device_identifier]
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except json.decoder.JSONDecodeError:
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url = response.data.decode('utf8')
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except Exception:
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pass
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return self.update_url(url)
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def call_xdotools(self, keystroke):
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os.environ['DISPLAY'] = ":0." + self._x_screen
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os.environ['XAUTHORITY'] = "/run/lightdm/pi/xauthority"
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try:
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subprocess.call(['xdotool', 'search', '--sync', '--onlyvisible', '--screen', self._x_screen, '--class', 'Firefox', 'key', keystroke])
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return "xdotool succeeded in stroking " + keystroke
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except:
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return "xdotool threw an error, maybe it is not installed on the IoTBox"
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def update_customer_facing_display(self, origin, html=None):
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if origin == self.owner:
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self.rendered_html = html
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self.event_data.set()
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def get_serialized_order(self):
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# IMPLEMENTATION OF LONGPOLLING
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# Times out 2 seconds before the JS request does
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if self.event_data.wait(28):
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self.event_data.clear()
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return {'rendered_html': self.rendered_html}
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return {'rendered_html': False}
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def take_control(self, new_owner, html=None):
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# ALLOW A CASHIER TO TAKE CONTROL OVER THE POSBOX, IN CASE OF MULTIPLE CASHIER PER DISPLAY
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self.owner = new_owner
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self.rendered_html = html
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self.data = {
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'value': '',
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'owner': self.owner,
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}
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event_manager.device_changed(self)
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self.event_data.set()
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class DisplayController(http.Controller):
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@http.route('/hw_proxy/display_refresh', type='json', auth='none', cors='*')
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def display_refresh(self):
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display = DisplayDriver.get_default_display()
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if display:
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return display.call_xdotools('F5')
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@http.route('/hw_proxy/customer_facing_display', type='json', auth='none', cors='*')
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def customer_facing_display(self, html=None):
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display = DisplayDriver.get_default_display()
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if display:
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display.update_customer_facing_display(http.request.httprequest.remote_addr, html)
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return {'status': 'updated'}
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return {'status': 'failed'}
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@http.route('/hw_proxy/take_control', type='json', auth='none', cors='*')
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def take_control(self, html=None):
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display = DisplayDriver.get_default_display()
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if display:
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display.take_control(http.request.httprequest.remote_addr, html)
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return {
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'status': 'success',
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'message': 'You now have access to the display',
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}
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@http.route('/hw_proxy/test_ownership', type='json', auth='none', cors='*')
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def test_ownership(self):
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display = DisplayDriver.get_default_display()
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if display and display.owner == http.request.httprequest.remote_addr:
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return {'status': 'OWNER'}
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return {'status': 'NOWNER'}
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@http.route(['/point_of_sale/get_serialized_order', '/point_of_sale/get_serialized_order/<string:display_identifier>'], type='json', auth='none')
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def get_serialized_order(self, display_identifier=None):
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if display_identifier:
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display = iot_devices.get(display_identifier)
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else:
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display = DisplayDriver.get_default_display()
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if display:
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return display.get_serialized_order()
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return {
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'rendered_html': False,
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'error': "No display found",
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}
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@http.route(['/point_of_sale/display', '/point_of_sale/display/<string:display_identifier>'], type='http', auth='none')
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def display(self, display_identifier=None):
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cust_js = None
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interfaces = ni.interfaces()
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with open(os.path.join(os.path.dirname(__file__), "../static/src/js/worker.js")) as js:
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cust_js = js.read()
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display_ifaces = []
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for iface_id in interfaces:
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if 'wlan' in iface_id or 'eth' in iface_id:
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iface_obj = ni.ifaddresses(iface_id)
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ifconfigs = iface_obj.get(ni.AF_INET, [])
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essid = helpers.get_ssid()
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for conf in ifconfigs:
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if conf.get('addr'):
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display_ifaces.append({
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'iface_id': iface_id,
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'essid': essid,
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'addr': conf.get('addr'),
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'icon': 'sitemap' if 'eth' in iface_id else 'wifi',
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})
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if not display_identifier:
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display_identifier = DisplayDriver.get_default_display().device_identifier
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return pos_display_template.render({
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'title': "Odoo -- Point of Sale",
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'breadcrumb': 'POS Client display',
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'cust_js': cust_js,
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'display_ifaces': display_ifaces,
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'display_identifier': display_identifier,
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})
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