addons/hw_proxy/controllers/main.py

   1 # -*- coding: utf-8 -*-
   2 import logging
   3 import simplejson
   4 import os
   5 import openerp
   6 import time
   7 import random
   8 import subprocess
   9 import usb.core
  10 import escpos
  11 import escpos.printer
  12
  13 from openerp import http
  14 from openerp.http import request
  15 from openerp.addons.web.controllers.main import manifest_list, module_boot, html_template
  16
  17 _logger = logging.getLogger(__name__)
  18
  19 class Proxy(http.Controller):
  20     def __init__(self):
  21         self.scale = 'closed'
  22         self.scale_weight = 0.0
  23         pass
  24
  25     def connected_usb_devices(self,devices):
  26         connected = []
  27         for device in devices:
  28             if usb.core.find(idVendor=device['vendor'], idProduct=device['product']) != None:
  29                 connected.append(device)
  30         return connected
  31
  32     @http.route('/hw_proxy/test_connection', type='json', auth='admin')
  33     def test_connection(self):
  34         _logger.info('Received Connection Test from the Point of Sale');
  35
  36     @http.route('/hw_proxy/scan_item_success', type='json', auth='admin')
  37     def scan_item_success(self, ean):
  38         """
  39         A product has been scanned with success
  40         """
  41         print 'scan_item_success: ' + str(ean)
  42
  43     @http.route('/hw_proxy/scan_item_error_unrecognized', type='json', auth='admin')
  44     def scan_item_error_unrecognized(self, ean):
  45         """
  46         A product has been scanned without success
  47         """
  48         print 'scan_item_error_unrecognized: ' + str(ean)
  49
  50     @http.route('/hw_proxy/help_needed', type='json', auth='admin')
  51     def help_needed(self):
  52         """
  53         The user wants an help (ex: light is on)
  54         """
  55         print "help_needed"
  56
  57     @http.route('/hw_proxy/help_canceled', type='json', auth='admin')
  58     def help_canceled(self):
  59         """
  60         The user stops the help request
  61         """
  62         print "help_canceled"
  63
  64     @http.route('/hw_proxy/weighting_start', type='json', auth='admin')
  65     def weighting_start(self):
  66         if self.scale == 'closed':
  67             print "Opening (Fake) Connection to Scale..."
  68             self.scale = 'open'
  69             self.scale_weight = 0.0
  70             time.sleep(0.1)
  71             print "... Scale Open."
  72         else:
  73             print "WARNING: Scale already Connected !!!"
  74
  75     @http.route('/hw_proxy/weighting_read_kg', type='json', auth='admin')
  76     def weighting_read_kg(self):
  77         if self.scale == 'open':
  78             print "Reading Scale..."
  79             time.sleep(0.025)
  80             self.scale_weight += 0.01
  81             print "... Done."
  82             return self.scale_weight
  83         else:
  84             print "WARNING: Reading closed scale !!!"
  85             return 0.0
  86
  87     @http.route('/hw_proxy/weighting_end', type='json', auth='admin')
  88     def weighting_end(self):
  89         if self.scale == 'open':
  90             print "Closing Connection to Scale ..."
  91             self.scale = 'closed'
  92             self.scale_weight = 0.0
  93             time.sleep(0.1)
  94             print "... Scale Closed."
  95         else:
  96             print "WARNING: Scale already Closed !!!"
  97
  98     @http.route('/hw_proxy/payment_request', type='json', auth='admin')
  99     def payment_request(self, price):
 100         """
 101         The PoS will activate the method payment
 102         """
 103         print "payment_request: price:"+str(price)
 104         return 'ok'
 105
 106     @http.route('/hw_proxy/payment_status', type='json', auth='admin')
 107     def payment_status(self):
 108         print "payment_status"
 109         return { 'status':'waiting' }
 110
 111     @http.route('/hw_proxy/payment_cancel', type='json', auth='admin')
 112     def payment_cancel(self):
 113         print "payment_cancel"
 114
 115     @http.route('/hw_proxy/transaction_start', type='json', auth='admin')
 116     def transaction_start(self):
 117         print 'transaction_start'
 118
 119     @http.route('/hw_proxy/transaction_end', type='json', auth='admin')
 120     def transaction_end(self):
 121         print 'transaction_end'
 122
 123     @http.route('/hw_proxy/cashier_mode_activated', type='json', auth='admin')
 124     def cashier_mode_activated(self):
 125         print 'cashier_mode_activated'
 126
 127     @http.route('/hw_proxy/cashier_mode_deactivated', type='json', auth='admin')
 128     def cashier_mode_deactivated(self):
 129         print 'cashier_mode_deactivated'
 130
 131     @http.route('/hw_proxy/open_cashbox', type='json', auth='admin')
 132     def open_cashbox(self):
 133         print 'open_cashbox'
 134
 135     @http.route('/hw_proxy/print_receipt', type='json', auth='admin')
 136     def print_receipt(self, receipt):
 137         print 'print_receipt' + str(receipt)
 138
 139     @http.route('/hw_proxy/is_scanner_connected', type='json', auth='admin')
 140     def print_receipt(self, receipt):
 141         print 'is_scanner_connected?'
 142         return False
 143
 144     @http.route('/hw_proxy/scanner', type='json', auth='admin')
 145     def print_receipt(self, receipt):
 146         print 'scanner'
 147         time.sleep(10)
 148         return ''
 149
 150     @http.route('/hw_proxy/log', type='json', auth='admin')
 151     def log(self, arguments):
 152         _logger.info(' '.join(str(v) for v in arguments))
 153
 154     @http.route('/hw_proxy/print_pdf_invoice', type='json', auth='admin')
 155     def print_pdf_invoice(self, pdfinvoice):
 156         print 'print_pdf_invoice' + str(pdfinvoice)
 157
 158