flectra/addons/hw_proxy/controllers/main.py
2018-07-19 17:04:30 +05:30

230 lines
7.5 KiB
Python

# -*- coding: utf-8 -*-
# Part of Odoo, Flectra. See LICENSE file for full copyright and licensing details.
from __future__ import print_function
import logging
import subprocess
import time
import subprocess
from threading import Lock
from flectra import http
from flectra.http import request
_logger = logging.getLogger(__name__)
# Those are the builtin raspberry pi USB modules, they should
# not appear in the list of connected devices.
BANNED_DEVICES = {
"0424:9514", # Standard Microsystem Corp. Builtin Ethernet module
"1d6b:0002", # Linux Foundation 2.0 root hub
"0424:ec00", # Standard Microsystem Corp. Other Builtin Ethernet module
"0424:2514", # Standard Microsystems Corp. USB 2.0 Hub (rpi3b+)
"0424:7800", # Standard Microsystems Corp. (rpi3b+)
}
# drivers modules must add to drivers an object with a get_status() method
# so that 'status' can return the status of all active drivers
drivers = {}
# keep a list of RS-232 devices that have been recognized by a driver,
# so other drivers can skip them during probes
rs232_devices = {} # {'/path/to/device': 'driver'}
rs232_lock = Lock() # must be held to update `rs232_devices`
class Proxy(http.Controller):
def get_status(self):
statuses = {}
for driver in drivers:
statuses[driver] = drivers[driver].get_status()
return statuses
@http.route('/hw_proxy/hello', type='http', auth='none', cors='*')
def hello(self):
return "ping"
@http.route('/hw_proxy/handshake', type='json', auth='none', cors='*')
def handshake(self):
return True
@http.route('/hw_proxy/status', type='http', auth='none', cors='*')
def status_http(self, debug=None, **kwargs):
resp = """
<!DOCTYPE HTML>
<html>
<head>
<title>Flectra's PosBox</title>
<style>
body {
width: 480px;
margin: 60px auto;
font-family: sans-serif;
text-align: justify;
color: #6B6B6B;
}
.device {
border-bottom: solid 1px rgb(216,216,216);
padding: 9px;
}
.device:nth-child(2n) {
background:rgb(240,240,240);
}
</style>
</head>
<body>
<h1>Hardware Status</h1>
<p>The list of enabled drivers and their status</p>
"""
statuses = self.get_status()
for driver in statuses:
status = statuses[driver]
if status['status'] == 'connecting':
color = 'black'
elif status['status'] == 'connected':
color = 'green'
else:
color = 'red'
resp += "<h3 style='color:"+color+";'>"+driver+' : '+status['status']+"</h3>\n"
resp += "<ul>\n"
for msg in status['messages']:
resp += '<li>'+msg+'</li>\n'
resp += "</ul>\n"
resp += """
<h2>Connected Devices</h2>
<p>The list of connected USB devices as seen by the posbox</p>
"""
if debug is None:
resp += """(<a href="/hw_proxy/status?debug">debug version</a>)"""
devices = subprocess.check_output("lsusb").decode('utf-8').split('\n')
count = 0
resp += "<div class='devices'>\n"
for device in devices:
device_name = device[device.find('ID')+2:]
if device_name: # to avoid last empty line
device_id = device_name.split()[0]
if not (device_id in BANNED_DEVICES):
resp += "<div class='device' data-device='"+device+"'>"+device_name+"</div>\n"
count += 1
if count == 0:
resp += "<div class='device'>No USB Device Found</div>"
resp += "</div>\n</body>\n</html>\n\n"
if debug is not None:
resp += """
<h3>Debug version</h3>
<p><tt>lsusb -v</tt> output:</p>
<pre>
%s
</pre>
""" % subprocess.check_output('lsusb -v', shell=True).decode('utf-8')
return request.make_response(resp,{
'Cache-Control': 'no-cache',
'Content-Type': 'text/html; charset=utf-8',
'Access-Control-Allow-Origin': '*',
'Access-Control-Allow-Methods': 'GET',
})
@http.route('/hw_proxy/status_json', type='json', auth='none', cors='*')
def status_json(self):
return self.get_status()
@http.route('/hw_proxy/scan_item_success', type='json', auth='none', cors='*')
def scan_item_success(self, ean):
"""
A product has been scanned with success
"""
print('scan_item_success: %s', ean)
@http.route('/hw_proxy/scan_item_error_unrecognized', type='json', auth='none', cors='*')
def scan_item_error_unrecognized(self, ean):
"""
A product has been scanned without success
"""
print('scan_item_error_unrecognized: %s', ean)
@http.route('/hw_proxy/help_needed', type='json', auth='none', cors='*')
def help_needed(self):
"""
The user wants an help (ex: light is on)
"""
print("help_needed")
@http.route('/hw_proxy/help_canceled', type='json', auth='none', cors='*')
def help_canceled(self):
"""
The user stops the help request
"""
print("help_canceled")
@http.route('/hw_proxy/payment_request', type='json', auth='none', cors='*')
def payment_request(self, price):
"""
The PoS will activate the method payment
"""
print("payment_request: price:%s" % price)
return 'ok'
@http.route('/hw_proxy/payment_status', type='json', auth='none', cors='*')
def payment_status(self):
print("payment_status")
return { 'status':'waiting' }
@http.route('/hw_proxy/payment_cancel', type='json', auth='none', cors='*')
def payment_cancel(self):
print("payment_cancel")
@http.route('/hw_proxy/transaction_start', type='json', auth='none', cors='*')
def transaction_start(self):
print('transaction_start')
@http.route('/hw_proxy/transaction_end', type='json', auth='none', cors='*')
def transaction_end(self):
print('transaction_end')
@http.route('/hw_proxy/cashier_mode_activated', type='json', auth='none', cors='*')
def cashier_mode_activated(self):
print('cashier_mode_activated')
@http.route('/hw_proxy/cashier_mode_deactivated', type='json', auth='none', cors='*')
def cashier_mode_deactivated(self):
print('cashier_mode_deactivated')
@http.route('/hw_proxy/open_cashbox', type='json', auth='none', cors='*')
def open_cashbox(self):
print('open_cashbox')
@http.route('/hw_proxy/print_receipt', type='json', auth='none', cors='*')
def print_receipt(self, receipt):
print('print_receipt %s', receipt)
@http.route('/hw_proxy/is_scanner_connected', type='json', auth='none', cors='*')
def is_scanner_connected(self, receipt):
print('is_scanner_connected?')
return False
@http.route('/hw_proxy/scanner', type='json', auth='none', cors='*')
def scanner(self, receipt):
print('scanner')
time.sleep(10)
return ''
@http.route('/hw_proxy/log', type='json', auth='none', cors='*')
def log(self, arguments):
_logger.info(' '.join(str(v) for v in arguments))
@http.route('/hw_proxy/print_pdf_invoice', type='json', auth='none', cors='*')
def print_pdf_invoice(self, pdfinvoice):
print('print_pdf_invoice %s' % pdfinvoice)