presik_pos/app/mainwindow.py

#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import sys
import os
import logging
import base64
from decimal import Decimal
from PyQt5.QtCore import Qt, QThread, pyqtSignal, QDate
from .tools import get_icon, to_float, to_numeric
from .dialogs import (Help, ControlPanel, SearchSale, SearchParty, SearchProduct, Position,
    Comment, DialogPayment, DialogSalesman, DialogVoucher, DialogPrintInvoice,
    DialogGlobalDiscount, DialogPaymentTerm, DialogStock, DialogOrder,
    DialogForceAssign, DialogTaxes, DialogCancelInvoice, SaleLine, DialogAgent,
    DialogConsumer, DialogManageTables, DialogDeliveryMen, DialogTableMoneyCount)
from datetime import datetime, timedelta, date
from collections import OrderedDict
# from PyQt5.QtGui import QTouchEvent
from PyQt5.QtWidgets import (QLabel, QHBoxLayout, QVBoxLayout,
                             QWidget, QGridLayout, QLineEdit)
from app.commons.action import Action
from app.commons.forms import GridForm, ComboBox, FieldNumeric
from app.commons.messages import MessageBar
from app.commons.image import Image
from app.commons.table import TableView
from app.commons.model import TableModel, Modules, TableModelEdit
from app.commons.frontwindow import FrontWindow
from app.commons.menu_buttons import MenuDash
from .proxy import FastModel
from .localdb import LocalStore
from .reporting import Receipt
from .buttonpad import Buttonpad, ButtonsFunction
from .states import STATES, RE_SIGN
from .constants import (PATH_PRINTERS, DELTA_LOCALE, STRETCH, alignRight,
                        alignLeft, alignCenter, alignHCenter, alignVCenter,
                        DIALOG_REPLY_NO, DIALOG_REPLY_YES, ZERO,
                        RATE_CREDIT_LIMIT, SCREENS, FILE_BANNER,
                        CONVERSION_DIGITS)

INVOICE_TYPE = [('', '')]
DELIVERY_WAY = [
    ('', ''),
    ('take_away', 'TAKE AWAY'),
    ('delivery', 'DELIVERY'),
    ('table', 'TABLE')
]
CHANNELS = [
    ('', '')
]

MINIMUM_DATE = QDate(0, 1, 1)


class MainWindow(FrontWindow):

    def __init__(self, connection, params):
        title = "PRESIK  |  SMART POS"
        global CONNECTION
        self.conn = connection
        CONNECTION = connection
        super(MainWindow, self).__init__(connection, params, title)
        print('Screen Size: > ', self.screen_size)
        _theme = params['theme'] if params.get('theme') else None
        self.profile_printer = params['profile_printer'] if params.get('profile_printer') else 'TM-P80'
        self.set_style(SCREENS[self.screen_size], _theme)

        self.is_clear_right_panel = True
        self.payment_ctx = {}
        self.set_keys()
        self.stock_context = None

        self.ctx = self._context
        self.ctx['params'] = params
        self.label_color = 'gray'
        self.label_color_2 = ''
        if _theme == 'dark':
            self.label_color = 'light'
            self.label_color_2 = 'orange'
        response = self.load_modules()
        if response is not True:
            d = self.dialog(response)
            d.exec_()
            super(MainWindow, self).close()
            return
        self.setup_sale_line()
        self.setup_payment()
        self.set_domains()
        self.setup_money_count()
        self.create_gui()
        self.message_bar.load_stack(self.stack_msg)

        if not hasattr(self, 'auto_print_commission'):
            self.auto_print_commission = False

        self.active_usb_printers = []

        if os.name == 'posix' and os.path.exists(PATH_PRINTERS):
            self.set_printers_usb(PATH_PRINTERS)

        self.set_printing_context()
        if not self.tablet_mode:
            self.create_statusbar()

        self.window().showMaximized()

        if not self.tablet_mode:
            self.grabKeyboard()
        self.reader_thread = None
        self._current_line_id = None
        self._amount_text = ''
        self._sign = None
        self.create_dialogs()
        self.createNewSale()
        if not hasattr(self, 'active_weighing'):
            self.active_weighing = False
        elif self.active_weighing is True:
            from .electronic_scale import ScaleReader
            self.reader_thread = ScaleReader()
            self.reader_thread.sigSetWeight.connect(self.set_weight_readed)

        self.do_invoice = DoInvoice(self, self._context)
        self.do_invoice.sigDoInvoice.connect(self.__do_invoice_thread)
        self.set_cache_company()

        if self.cache_local:
            self.set_cache_products()

    def set_domains(self):
        self.domain_search_product = [
            ('code', '!=', None),
            ('active', '=', True),
            ('template.salable', '=', True),
            ('template.account_category', '!=', None),
        ]

        if self.shop['product_categories']:
            self.domain_search_product.append(
                ('account_category', 'in', self.shop['product_categories'])
            )

    def filter_cache(self, data, filter, target):
        res = []
        for d in data:
            for t in target:
                if t in d[filter]:
                    res.append(d)
        return res

    def set_cache_company(self):
        self.store = LocalStore()
        self.store.create_table_config()
        self._local_config = self.store.get_config()
        if not self._local_config:
            company_id = self.device['shop']['company']['id']
            self._local_config = self.store.set_config([company_id])

    def set_cache_products(self):
        self.store.create_table_product()
        local_products = self.store.get_local_products()

        config = self.store.get_config()
        _sync_date = config[1]
        products = self.Product.sync_get_products({
            'write_date': _sync_date,
            'shop_id': self.ctx['shop']
        })
        self.store.update_products(products, local_products)
        now = datetime.now()
        self.store.set_config_sync(str(now))

    def event(self, evento):
        event_type = super(MainWindow, self).event(evento)
        # touch = QTouchEvent(event_type)
        return event_type

    def set_printers_usb(self, PATH_PRINTERS):
        for usb_dev in os.listdir(PATH_PRINTERS):
            if 'lp' not in usb_dev:
                continue
            path_device = os.path.join(PATH_PRINTERS, usb_dev)
            self.active_usb_printers.append(['usb', path_device])

    def get_current_sale(self):
        if hasattr(self, '_sale') and self._sale['id']:
            sales = self.ModSale.find([
                ('id', '=', self._sale['id'])
            ])
            if not sales:
                return
            return sales[0]

    def check_empty_sale(self):
        sale = self.get_current_sale()
        if sale and self.model_sale_lines.rowCount() == 0 \
                and sale['state'] == 'draft' and not sale['number']:
            self.delete_current_sale()

    def close(self):
        dialog = self.dialog('confirm_exit', response=True)
        response = dialog.exec_()
        if response == DIALOG_REPLY_YES:
            self.check_empty_sale()
            if self.active_weighing and self.reader_thread:
                self.reader_thread.onClose()
            super(MainWindow, self).close()

    def delete_current_sale(self):
        if self._sale['id']:
            self._PosSale.cancel_sale(self._sale['id'], self._context)

    def resize_window_tablet_dev(self):
        self.resize(690, self.get_geometry()[1])

    def set_stack_messages(self):
        super(MainWindow, self).set_stack_messages()
        self.stack_msg.update({
            'system_ready': ('info', self.tr('SYSTEM READY...')),
            'confirm_exit': ('warning', self.tr('DO YOU WANT TO EXIT?')),
            'confirm_credit': ('question', self.tr('PLEASE CONFIRM YOUR PAYMENT TERM AS CREDIT?')),
            'sale_number_not_found': ('warning', self.tr('SALE ORDER / INVOICE NUMBER NOT FOUND!')),
            'sale_closed': ('error', self.tr('THIS SALE IS CLOSED, YOU CAN NOT TO MODIFY!')),
            'discount_not_valid': ('warning', self.tr('DISCOUNT VALUE IS NOT VALID!')),
            'add_payment_sale_draft': ('info', self.tr('YOU CAN NOT ADD PAYMENTS TO SALE ON DRAFT STATE!')),
            'enter_quantity': ('question', self.tr('ENTER QUANTITY...')),
            'enter_discount': ('question', self.tr('ENTER DISCOUNT...')),
            'enter_payment': ('question', self.tr('ENTER PAYMENT AMOUNT BY: %s')),
            'enter_new_price': ('question', self.tr('ENTER NEW PRICE...')),
            'order_successfully': ('info', self.tr('ORDER SUCCESUFULLY SENT.')),
            'order_failed': ('warning', self.tr('FAILED SEND ORDER!')),
            'missing_agent': ('warning', self.tr('MISSING AGENT!')),
            'missing_salesman': ('warning', self.tr('THERE IS NOT SALESMAN FOR THE SALE!')),
            'sale_without_products': ('warning', self.tr('YOU CAN NOT CONFIRM A SALE WITHOUT PRODUCTS!')),
            'user_without_permission': ('error', self.tr('USER WITHOUT PERMISSION FOR SALE POS!')),
            'quantity_not_valid': ('error', self.tr('THE QUANTITY IS NOT VALID...!')),
            'user_not_permissions_device': ('error', self.tr('THE USER HAVE NOT PERMISSIONS FOR ACCESS TO DEVICE!')),
            'missing_party_configuration': ('warning', self.tr('MISSING THE DEFAULT PARTY ON SHOP CONFIGURATION!')),
            'missing_journal_device': ('error', self.tr('MISSING SET THE JOURNAL ON DEVICE!')),
            'statement_closed': ('error', self.tr('THERE IS NOT A STATEMENT OPEN FOR THIS DEVICE!')),
            'product_not_found': ('warning', self.tr('PRODUCT NOT FOUND!')),
            'must_load_or_create_sale': ('warning', self.tr('FIRST YOU MUST CREATE/LOAD A SALE!')),
            'new_sale': ('warning', self.tr('DO YOU WANT CREATE NEW SALE?')),
            'cancel_sale': ('question', self.tr('ARE YOU WANT TO CANCEL SALE?')),
            'not_permission_delete_sale': ('info', self.tr('YOU HAVE NOT PERMISSIONS FOR DELETE THIS SALE!')),
            'not_permission_for_cancel': ('info', self.tr('YOU HAVE NOT PERMISSIONS FOR CANCEL THIS SALE!')),
            'customer_not_credit': ('info', self.tr('THE CUSTOMER HAS NOT CREDIT!')),
            'agent_not_found': ('warning', self.tr('AGENT NOT FOUND!')),
            'invalid_commission': ('warning', self.tr('COMMISSION NOT VALID!')),
            'credit_limit_exceed': ('info', self.tr('CREDIT LIMIT FOR CUSTOMER EXCEED!')),
            'credit_limit_capacity': ('info', self.tr('THE CUSTOMER CREDIT CAPACITY IS ABOVE 80%')),
            'not_can_force_assign': ('warning', self.tr('YOU CAN NOT FORCE ASSIGN!')),
            'send_electronic_failed': ('info', self.tr('FALLO EL ENVIO DE FACTURA!')),
            'invoice_done_failed': ('info', self.tr('FALLO FINALIZACIÓN DE FACTURA!')),
            'without_stock_quantity': ('info', self.tr('PRODUCT WITHOUT STOCK: %s')),
            'not_sale': ('info', self.tr('NOT SALE!...')),
            'statement_created': ('info', self.tr('STATEMENT CREATED!...')),
            'statement_finish': ('info', self.tr('STATEMENTS CLOSED!...')),
        })

    def load_modules(self):
        modules = Modules(self, self.conn)
        self._sale_pos_restaurant = None
        self.Module = FastModel('ir.module', self.ctx)
        self.Config = FastModel('sale.configuration', self.ctx)
        self._config, = self.Config.find([('id', '=', 1)])

        self.discount_method = self._config.get('discount_pos_method')

        self._commission_activated = self.Module.find([
            ('name', '=', 'commission'),
            ('state', '=', 'activated'),
        ])
        self._web_channel = self.Module.find([
            ('name', '=', 'sale_web_channel'),
            ('state', '=', 'activated'),
        ])
        self._credit_limit_activated = self.Module.find([
            ('name', '=', 'account_credit_limit'),
            ('state', '=', 'activated'),
        ])

        _product = {
            'name': 'product.product',
            'fields': [
                'template.name', 'code', 'barcode', 'write_date',
                'description', 'template.sale_price_w_tax',
                'template.account_category'
            ]
        }
        self.cache_local = self._config.get('cache_products_local')

        if self._config['show_location_pos']:
            _product['fields'].append('location_')

        if self._config['show_stock_pos'] in ('value', 'icon'):
            if self._config['show_stock_pos'] == 'value':
                _product['fields'].append('quantity')
        if self._config['show_brand']:
            _product['fields'].append('brand.name')

        if self._config['encoded_sale_price']:
            _product['fields'].extend(['image', 'image_icon', 'encoded_sale_price'])

        _PosSale = {
            'name': '_PosSale',
            'model': 'sale.sale',
            'fields': ['number', 'party', 'party.name', 'salesman', 'lines',
                       'position', 'total_amount_cache', 'salesman.party.name',
                       'payment_term', 'payment_term.name', 'invoices',
                       'payments', 'untaxed_amount', 'state', 'tax_amount',
                       'total_amount', 'residual_amount', 'paid_amount', 'invoice',
                       'invoice.state', 'invoice_number', 'invoice.number', 'invoices',
                       'delivery_charge', 'sale_date', 'invoice_type'],
            'methods': (
                'get_printing_context', 'cancel_sale', 'get_amounts',
                'get_discount_total', 'process_sale', 'reconcile_invoice',
                'post_invoice', 'get_data', 'add_value', 'faster_add_product',
                'get_product_prices', 'add_payment', 'get_order2print',
                'get_sale_from_invoice', 'add_tax', 'check_state', 'to_quote',
                'to_draft', 'new_sale', 'on_change', 'get_salesman_in_party',
            )
        }

        _Tables = self._Tables = None
        if self.enviroment == 'restaurant':
            self._sale_pos_restaurant = self.Module.find([
                ('name', '=', 'sale_pos_frontend_rest'),
                ('state', '=', 'activated'),
            ])
            if self._sale_pos_restaurant:
                self.PartyConsumer = FastModel('party.consumer', self.ctx)
                _Tables = {
                    'name': '_Tables',
                    'model': 'sale.shop.table',
                    'fields': ('name', 'shop', 'capacity', 'state')
                }
                _PosSale['fields'].extend(['table_assigned', 'table_assigned.name', 'table_assigned.state'])

        if self._commission_activated:
            _PosSale['fields'].extend(['agent', 'agent.party.name', 'commission'])

        self.User = FastModel('res.user', self.ctx)
        self._user, = self.User.find([('login', '=', self.user)])

        self.Company = FastModel('company.company', self.ctx)
        self._company, = self.Company.find([('id', '=', 1)])
        self.logo = self._company['logo']

        if not self._user['sale_device']:
            return 'user_not_permissions_device'

        self.ctx['user'] = self._user['id']

        self.ModSale = FastModel('sale.sale', self.ctx)
        self.ModSaleLine = FastModel('sale.line', self.ctx)
        self.Product = FastModel('product.product', self.ctx)
        self.Journal = FastModel('account.statement.journal', self.ctx)
        self.Employee = FastModel('company.employee', self.ctx)
        self.DeliveryMen = FastModel('sale.delivery_party', self.ctx)
        self.Device = FastModel('sale.device', self.ctx)
        self.Category = FastModel('product.category', self.ctx)
        self.PaymentTerm = FastModel('account.invoice.payment_term', self.ctx)
        self.Party = FastModel('party.party', self.ctx)
        self.Taxes = FastModel('account.tax', self.ctx)
        self.ActionReport = FastModel('ir.action.report', self.ctx)
        if self._commission_activated:
            self.Agent = FastModel('commission.agent', self.ctx)
            self.Comission = FastModel('commission', self.ctx)

        models_to_work = [_PosSale]

        if _Tables:
            models_to_work.append(_Tables)

        modules.set_models(models_to_work)
        self.device, = self.Device.find([
            ('id', '=', self._user['sale_device']['id']),
        ])

        self.shop = self.device['shop']
        self.shop_taxes = self.shop['taxes']
        self.company = self.shop['company']
        self._journals = dict([(j['id'], j) for j in self.device['journals']])
        self.salesman_ids = [s['id'] for s in self.shop['salesmans']] \
            if self.shop.get('salesmans') else []

        dom_salesman = [
            ('company', '=', self.company['id']),
        ]
        if self.salesman_ids:
            dom_salesman.append(('id', 'in', self.salesman_ids))
        self.employees = self.Employee.find(dom_salesman)

        self.delivery_men_ids = [s['id'] for s in self.shop['delivery_man']] \
            if self.shop.get('delivery_man') else []

        dom_delivery_men = [('active', '=', True)]
        if self.delivery_men_ids:
            dom_delivery_men.append(('id', 'in', self.delivery_men_ids))
        self.delivery_man = self.DeliveryMen.find(dom_delivery_men)

        self._payment_terms = self.PaymentTerm.get_payment_term_pos()
        self.type_pos_user = self._context.get('type_pos_user')

        if not self.type_pos_user:
            return 'user_without_permission'
        self.user_can_delete = self.type_pos_user in ('frontend_admin', 'cashier')

        self.product_categories = self.device['shop']['product_categories']
        self.salesman_required = self.device['shop']['salesman_pos_required']

        self.default_party = self.shop['party']
        if not self.default_party:
            return 'missing_party_configuration'

        self.default_journal = self.device['journal']
        if not self.default_journal:
            return 'missing_journal_device'

        self.default_payment_term = self.shop['payment_term']
        self._password_admin = self._config.get('password_admin_pos')

        self._action_report, = self.ActionReport.find([
            ('report_name', '=', 'account.invoice'),
        ])
        if self._config['show_stock_pos'] in ('value', 'icon'):
            self.stock_context = {
                'stock_date_end': date.today(),
                'locations': [self.shop['warehouse']['id']],
            }
        return True

    def create_dialogs(self):
        # self.create_wizard_new_sale()
        self.dialog_control_panel = ControlPanel(self).get(self.menu_control_panel)
        self.dialog_money_count = DialogTableMoneyCount(self).get()
        self.dialog_search_sales = SearchSale(self).get()
        self.dialog_search_parties = SearchParty(self).get()
        self.dialog_search_products = SearchProduct(self).get()
        self.dialog_position = Position(self).get()
        self.dialog_comment = Comment(self).get()
        self.dialog_payment = DialogPayment(self).get()
        self.dialog_salesman = DialogSalesman(self).get()
        self.dialog_voucher = DialogVoucher(self).get()
        self.dialog_print_invoice = DialogPrintInvoice(self).get()
        self.dialog_global_discount = DialogGlobalDiscount(self).get()
        self.dialog_payment_term = DialogPaymentTerm(self).get()
        self.dialog_search_sales.activate_counter()
        self.dialog_product_stock = DialogStock(self.dialog_search_products).get()
        self.dialog_order = DialogOrder(self).get()
        self.dialog_force_assign = DialogForceAssign(self).get()
        self.field_password_force_assign_ask.setEchoMode(QLineEdit.Password)
        self.dialog_tax = DialogTaxes(self).get()
        self.dialog_cancel_invoice = DialogCancelInvoice(self).get()
        self.dialog_product_edit = SaleLine(self).get()
        self.dialog_delivery_men = DialogDeliveryMen(self).get()
        if self._commission_activated:
            self.dialog_agent = DialogAgent(self).get()
        if self.enviroment == 'restaurant' and self._sale_pos_restaurant:
            self.dialog_search_consumer = DialogConsumer(self).get()
            self.dialog_manage_tables = DialogManageTables(self).get()

    def set_printing_context(self):
        # Printing invoice context
        if self.printer_sale_name:
            if ">" in self.printer_sale_name:
                self.printer_sale_name = str(str("\\") + self.printer_sale_name.replace('>', str('\\')))

        ctx_printing = self._PosSale.get_printing_context(
            [self.device['id']], self.user, self._context)
        ctx_printing['row_characters'] = self.row_characters
        ctx_printing['delta_locale'] = DELTA_LOCALE

        locale_logo = ''
        if self.logo:
            locale_logo = os.path.join(os.path.abspath(
                os.path.dirname(__file__)), 'logo.png')
            f = open(locale_logo, "wb")
            f.write(base64.decodestring(self.logo.encode()))
            f.close()

        self.receipt_sale = Receipt(ctx_printing, logo=locale_logo)

        # Printing order context
        if self.print_order:
            self.receipt_order = Receipt(ctx_printing)
        self.set_default_printer()

    def set_default_printer(self, printer=None):
        if self.active_usb_printers:
            self.printer_sale_name = self.active_usb_printers[0]
        if not printer and self.printer_sale_name:
            printer = {
                'interface': self.printer_sale_name[0],
                'device': self.printer_sale_name[1],
                'profile': self.profile_printer,
            }
        if printer:
            self.receipt_sale.set_printer(printer)

    def button_new_sale_pressed(self):
        self.createNewSale()

    def button_send_to_pay_pressed(self):
        # Return sale to draft state
        if not self._check_quantity():
            return
        self._PosSale.to_quote(self._sale['id'], self._context)
        if self.model_sale_lines.rowCount() > 0:
            if self.check_salesman():
                self.state_disabled()

    def button_to_draft_pressed(self):
        # Return sale to draft state
        if hasattr(self, '_sale'):
            self._PosSale.to_draft(self._sale['id'], self._context)
            self.state_disabled()

    def create_gui(self):
        panels = QHBoxLayout()
        panel_left = QVBoxLayout()
        panel_right = QVBoxLayout()

        left_head = QHBoxLayout()
        left_table = None
        left_bottom = QHBoxLayout()

        self.message_bar = MessageBar()
        self.label_input = QLabel()
        self.label_input.setFocus()
        self.label_input.setObjectName('label_input')

        values = self.get_menu_control_panel()
        self.menu_control_panel = ButtonsFunction(self, panel=True,
                                                  values=values)

        if self.enviroment == 'restaurant':
            values = self.get_product_by_categories()
            menu_dash = MenuDash(self, values, 'on_selected_item')

        if not self.tablet_mode:
            _label_type_invoice = QLabel(self.tr(' TYPE INVOICE:'))
            _label_type_invoice.setObjectName('label_invoice')
            _label_type_invoice.setAlignment(alignRight | alignVCenter)

        self.field_amount = FieldNumeric(self, 'amount', {})
        self.field_amount.setObjectName('field_amount')
        self.field_sign = QLabel('   ')
        self.field_sign.setObjectName('field_sign')

        layout_message = QGridLayout()
        layout_message.setColumnStretch(0, 1)
        layout_message.addLayout(self.message_bar, 0, 0, 2, 0)

        INVOICE_TYPE.append(('P', ('POS')))
        if self.shop.get('credit_note_electronic_authorization'):
            INVOICE_TYPE.append(('91', ('NOTA CREDITO ELECTRONICA')))
        if self.shop.get('debit_note_electronic_authorization'):
            INVOICE_TYPE.append(('92', ('NOTA DEBITO ELECTRONICA')))
        if self.shop.get('manual_authorization'):
            INVOICE_TYPE.append(('M', 'MANUAL'))
        if self.shop.get('computer_authorization'):
            INVOICE_TYPE.append(('C', ('COMPUTADOR')))
        if self.shop.get('electronic_authorization'):
            INVOICE_TYPE.append(('1', ('VENTA ELECTRONICA')))

        self.field_invoice_type = ComboBox(self, 'invoice_type',
                                           {'values': INVOICE_TYPE,
                                            'on_change': 'action_invoice_type_selection_changed'
                                            })

        if not self.tablet_mode:
            layout_message.addWidget(self.label_input, 2, 0)
            layout_message.addWidget(_label_type_invoice, 2, 1)
            layout_message.addWidget(self.field_invoice_type, 2, 2)
        else:
            layout_message.addWidget(self.label_input, 2, 0, 1, 2)
            layout_message.addWidget(self.field_invoice_type, 2, 3)

        left_head.addLayout(layout_message, 0)
        left_head.addWidget(self.field_sign, 0)
        left_head.addWidget(self.field_amount, 0)

        info_fields = [
            ('party', {
                'name': self.tr('CUSTOMER'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('date', {
                'name': self.tr('DATE'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('salesman', {
                'name': self.tr('SALESMAN'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('order_number', {
                'name': self.tr('No ORDER'),
                'placeholder': False,
                'readonly': True,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('payment_term', {
                'name': self.tr('PAYMENT TERM'),
                'readonly': True,
                'invisible': self.tablet_mode,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('delivery_men', {
                'name': self.tr('DELIVERY MEN'),
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            })
        ]
        self.field_state = QLineEdit('STATE')
        self.field_state.setReadOnly(True)
        self.field_state.setObjectName('field_state')

        if self._web_channel:
            self.Channel = FastModel('sale.web_channel', self.ctx)
            self.channels = self.Channel.find([])

            for ch in self.channels:
                CHANNELS.append((ch['id'], ch['rec_name']))

            info_fields.append(
                ('channel', {
                    'name': self.tr('CHANNEL'),
                    'placeholder': False,
                    'type': 'selection',
                    'on_change': 'action_channel_selection_changed',
                    'values': CHANNELS,
                    'size': self.screen_size,
                    'color': self.label_color
                }))

        if self.tablet_mode or self._config['show_position_pos']:
            info_fields.append(('position', {
                'name': self.tr('POSITION'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }))
        if self._commission_activated and not self.tablet_mode \
                and self._config['show_agent_pos']:
            info_fields.append(('agent', {
                'name': self.tr('AGENT'),
                'placeholder': self.tablet_mode,
                'readonly': True,
                'size': self.screen_size,
                'color': self.label_color
            }))

        _cols = 2
        self.field_delivery_charge = None
        if self._config['show_delivery_charge']:
            info_fields.append(
                ('delivery_charge', {
                    'name': self.tr('DELIVERY CHARGE'),
                    'placeholder': False,
                    'type': 'selection',
                    'on_change': 'action_delivery_charge_selection_changed',
                    'values': [
                        ('', ''),
                        ('customer', self.tr('CUSTOMER')),
                        ('company', self.tr('COMPANY')),
                    ],
                    'size': self.screen_size,
                    'color': self.label_color
                }))

        self.field_table_assigned = None
        if self._sale_pos_restaurant:
            # info_fields.append(
            #     ('delivery_time', {
            #         'name': self.tr('DELIVERY TIME'),
            #         'placeholder': False,
            #         'type': 'money',
            #         'size': self.screen_size,
            #         'color': self.label_color
            #     }))
            info_fields.append(
                ('delivery_way', {
                    'name': self.tr('DELIVERY WAY'),
                    'placeholder': False,
                    'type': 'selection',
                    'on_change': 'action_delivery_way_selection_changed',
                    'values': DELIVERY_WAY,
                    'size': self.screen_size,
                    'color': self.label_color
                }))
            info_fields.append(
                ('table_assigned', {
                    'name': self.tr('ASSIGNED TABLE'),
                    'placeholder': False,
                    'size': self.screen_size,
                    'color': self.label_color
                }))

        col_sizes_tlines = [field['width'] for field in self.fields_sale_line]
        left_table = TableView('model_sale_lines', self.model_sale_lines,
                               col_sizes_tlines, method_selected_row=self.sale_line_selected)
        self.table_sale_lines = left_table

        for i, f in enumerate(self.model_sale_lines._fields, 0):
            if f.get('invisible'):
                self.table_sale_lines.hideColumn(i)

        _fields_amounts = [
            ('untaxed_amount', {
                'name': self.tr('SUBTOTAL'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color

            }),
            ('taxes_amount', {
                'name': self.tr('TAXES'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('discount', {
                'name': self.tr('DISCOUNT'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('total_amount', {
                'name': self.tr('TOTAL'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('paid', {
                'name': self.tr('PAID'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('pending', {
                'name': self.tr('PENDIENTE'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color_2 or 'blue'
            }),
            ('change', {
                'name': self.tr('CHANGE'),
                'readonly': True,
                'type': 'money',
                'size': self.screen_size,
                'color': self.label_color_2 or 'orange'
            })
        ]

        fields_amounts = OrderedDict(_fields_amounts)
        self.grid_amounts = GridForm(self, fields_amounts, col=1)
        self.buttonpad = Buttonpad(self)
        self.pixmap_pos = Image(self, 'pixmap_pos', FILE_BANNER)
        self.table_payment = TableView('table_payment', self.table_payment_lines,
                                       [250, STRETCH])
        panel_left.addLayout(left_head, 0)
        panel_left.addWidget(left_table, 1)
        panel_right.addWidget(self.pixmap_pos, 0)

        _other_fields = [
            ('invoice', {
                'name': self.tr('INVOICE'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
            }),
            ('state', {
                'name': self.tr('STATE'),
                'readonly': True,
                'placeholder': False,
                'size': self.screen_size,
                'color': self.label_color
                }),
        ]
        # if self.enviroment == 'restaurant':
        #     info_fields.extend(_other_fields)

        self.grid_info = GridForm(self, OrderedDict(info_fields), col=_cols)
        other_fields = OrderedDict(_other_fields)
        self.grid_other_fields = GridForm(self, other_fields, col=2)
        left_bottom.addLayout(self.grid_info, 1)

        if self.enviroment == 'restaurant':
            panel_left.addLayout(self.buttonpad.functions, 1)
            panel_right.addLayout(menu_dash, 1)
            panel_right.addLayout(self.grid_amounts, 0)
            panel_right.addLayout(self.buttonpad.stacked, 0)
            panel_right.addLayout(self.grid_other_fields, 0)
        else:
            panel_right.addLayout(self.grid_amounts, 1)
            panel_right.addLayout(self.buttonpad.functions, 1)
            panel_right.addLayout(self.buttonpad.stacked, 0)
            panel_right.addLayout(self.grid_other_fields, 1)
            panel_right.addWidget(self.table_payment)

        panel_left.addLayout(left_bottom, 0)
        panels.addLayout(panel_left, 1)
        panels.addLayout(panel_right, 0)
        widget = QWidget()
        widget.setLayout(panels)
        self.setCentralWidget(widget)

    def create_statusbar(self):
        values = OrderedDict([
            ('stb_shop', {'name': self.tr('SHOP'), 'value': self.shop['name']}),
            ('stb_device', {'name': self.tr('DEVICE'), 'value': self.device['name']}),
            ('stb_database', {'name': self.tr('DATABASE'), 'value': self.database}),
            ('stb_user', {'name': self.tr('USER'), 'value': self.user}),
            ('stb_printer', {'name': self.tr('PRINTER'), 'value': self.printer_sale_name})
        ])
        self.set_statusbar(values)

    def button_plus_pressed(self):
        error = False
        if self._input_text == '' and self._amount_text == '0':
            return
        if self._state in ('paid', 'disabled'):
            return
        if self._sign in ('*', '-', '/'):
            if hasattr(self, '_sale_line') and self._sale_line \
                and self._sale_line.get('type') and self._state == 'add' \
                and self.model_sale_lines.rowCount() > 0:
                if self._sign == '*':
                    self._process_quantity(self._amount_text)
                else:
                    error = not(self._process_price(self._amount_text))
        elif self._state in ['add', 'cancel', 'accept']:
            self.clear_right_panel()
            self.add_product(code=self._input_text)
        elif self._state == 'cash':
            is_paid = self._process_pay(self.field_amount.text())
            if not is_paid:
                self.clear_input_text()
                self.clear_amount_text()
                return
        else:
            logging.warning('Unknown command/text')
        self._clear_context(error)

    def action_read_weight(self):
        self.reader_thread.start()

    def set_weight_readed(self):
        if not self.reader_thread or not self.reader_thread.best_weight:
            return

        if self.reader_thread.best_weight:
            self.amount_text_changed(self.reader_thread.best_weight)
            self._process_quantity(self._amount_text)
            self._clear_context(False)
        self.reader_thread.fZERO()

    def _clear_context(self, error=False):
        self.clear_input_text()
        self.clear_amount_text()
        self.clear_sign()

        if self.state == 'disabled':
            self.message_bar.set('not_sale')
        elif self._state not in ('warning', 'cash') and not error:
            self.message_bar.set('system_ready')
        else:
            self.set_state('add')

    def _process_quantity(self, text):
        eval_value = text.replace(',', '.')
        rec = {}
        # try:
        if 1:
            quantity = Decimal(eval_value)
            # _product = self._sale_line['product']
            product_id = self._sale_line['product']['id']
            _product, = self.Product.find([('id', '=', product_id)], ctx=self.stock_context)
            if _product and _product.get('quantity'):
                if not self._check_stock_quantity(_product, quantity):
                    return False
            if self._current_line_id:
                rec = self.ModSaleLine.faster_set_quantity({
                    'id': self._current_line_id,
                    'quantity': float(quantity)
                })
        # except:
        #     return self.message_bar.set('quantity_not_valid')

        self.message_bar.set('system_ready')
        self.model_sale_lines.update_record(rec)
        self.update_total_amount()

    def _process_price(self, text):
        discount_valid = True
        eval_value = text.replace(',', '')
        value = float(eval_value)
        print(value)
        if self._sign == '-':
            if self.discount_method == 'percentage' and value > 90:
                discount_valid = False
            else:
                discount_valid = self.set_discount(eval_value)
        elif self._sign == '/':
            if value <= 0:
                return
            sale_line, = self.ModSaleLine.find([
                ('id', '=', self._current_line_id)
            ])
            price_w_tax = sale_line['product']['sale_price_w_tax']
            if price_w_tax <= Decimal(value):
                # Change unit price
                discount_valid = self.set_unit_price(value)
                self.set_discount(0)
            else:
                eval_value = (1 - (value / price_w_tax)) * 100
                if self.discount_method == 'fixed':
                    eval_value = price_w_tax - value
                discount_valid = self.set_discount(eval_value)
        if not discount_valid:
            self.message_bar.set('discount_not_valid')
            return False

        self.message_bar.set('system_ready')
        self.update_total_amount()
        return True

    def _process_pay(self, text):
        if not self.validate_done_sale():
            return
        val = Decimal(text.replace(',', ''))

        if self._commission_activated:
            if self._journals[self.field_journal_id]['kind'] == 'payment':
                agent_id = None
                if self.field_agent_id:
                    agent_id = self.field_agent_id
                else:
                    agent_id = self.field_agent_ask.get_id()

                if not agent_id:
                    self.message_bar.set('missing_agent')
                    return False

        cash_received = Decimal(val)
        self.set_amounts()
        residual_amount = self._sale['residual_amount']
        if residual_amount < 0:
            # The sale is paid
            self._done_sale()
            return True

        change = cash_received - residual_amount

        if residual_amount >= cash_received:
            amount_to_add = cash_received
        else:
            amount_to_add = residual_amount

        all_money = cash_received + self._sale['paid_amount']
        res = self.add_payment(amount_to_add, all_money, change)
        if res.get('msg') == 'statement_closed':
            self.dialog('statement_closed')
            return False
        if change < ZERO:
            self.field_pending.setText(abs(change))
        else:
            self.field_pending.setText(str(ZERO))
        self.set_amount_received(all_money)

        if res['residual_amount'] < 0:
            self._done_sale()
            return True

        self.field_journal_id = self.default_journal['id']

        if res['msg'] == 'missing_money':
            self.message_bar.set('enter_payment', self.default_journal['name'])
            return False

        if change < ZERO:
            self.message_bar.set('enter_payment', self.default_journal['name'])

        self.field_change.setText(change)
        self._sale.update({
            'residual_amount': res['residual_amount']
        })
        residual_amount = self._sale['residual_amount']

        if self._sale['residual_amount'] <= 0:
            self._done_sale()
            return True

    def validate_done_sale(self):
        if self.model_sale_lines.rowCount() == 0:
            self.dialog('sale_without_products')
            self.set_state('add')
            self.message_bar.set('system_ready')
            return
        return True

    def _get_total_amount(self):
        return self.model_sale_lines.get_sum('amount_w_tax')

    def set_discount_amount(self):
        res = 0
        if self._sale['id']:
            res = self.ModSale.get_discount_total({
                'sale_id': self._sale['id']
            })
        self.field_discount.setText(res)

    def amount_text_changed(self, text=None):
        if text:
            self._amount_text += text
        self.field_amount.setText(self._amount_text)

    def input_text_changed(self, text=None):
        if text:
            self._input_text += text
        elif text == '':
            self._input_text = ''
        self.label_input.setText(self._input_text)

    def __do_invoice_thread(self):
        try:
            res = self.ModSale.faster_post_invoice({
                'sale_id': self.sale_to_post['id']
            })
        except:
            self.dialog('invoice_done_failed')
            return
        if not res['result']:
            self.dialog('send_electronic_failed')
            return
        if self.sale_to_post['is_credit']:
            return

        self.ModSale.reconcile_invoice({
            'sale_id': self.sale_to_post['id']
        })
        self.set_state('finished')

    def _done_sale(self, is_credit=False):
        self._sale['is_credit'] = is_credit
        self.sale_to_post = self._sale
        self.do_invoice.start()
        if self._Tables and self._sale.get('table_assigned'):
            self._Tables.write([self._sale['table_assigned']],
                               {'state': 'available'})
        try:
            if self.print_receipt == 'automatic':
                _copies = self.device['shop']['invoice_copies']
                if not is_credit:
                    self.print_invoice(copies=_copies)
            if self.print_order and self.print_auto_order:
                self.action_print_order()
        except:
            logging.error(sys.exc_info()[0])

        if not is_credit and self._commission_activated:
            agent_id = self.field_agent_ask.get_id()
            # if self.auto_print_commission and agent_id:
            #     self.print_equivalent_invoice(self._sale['id'])

        if self.type_pos_user not in ('cashier', 'order') and self._config.get('new_sale_automatic'):
            self.createNewSale()
        else:
            self.state_disabled()
        self.message_bar.set('system_ready')
        return True

    def print_invoice(self, sale_id=None, copies=1):
        if not sale_id:
            sale_id = self._sale['id']
        data = self._PosSale.get_data(sale_id, self._context)
        for i in range(copies):
            self.receipt_sale.print_sale(data)

    def button_accept_pressed(self):
        if not self._check_quantity():
            return
        if not self._sale['id'] or not self.model_sale_lines.rowCount() > 0:
            return
        self.set_state('accept')

    def button_cash_pressed(self):
        if not self.check_salesman():
            return
        if not self.validate_payment_term():
            return
        sale_id = self._sale['id']
        res, msg = self.ModSale.faster_process({'sale_id': sale_id})
        if msg:
            self.message_bar.set(msg)
            return

        self.set_amounts(res)

        self.field_invoice.setText(res['invoice_number'])
        self.field_amount.setText('')
        if self.type_pos_user == 'salesman':
            self.print_invoice(sale_id)
            res = self._print_order(sale_id, 'delivery')
            self.createNewSale()
            return
        if self.type_pos_user != 'cashier':
            self.field_invoice_type.set_enabled(False)

        self.message_bar.set('enter_payment', self.default_journal['name'])
        self.set_state('cash')
        self.buttonpad.setFocus()
        self.label_input.setFocus()

    def action_reservations(self):
        logging.info('Buscando reservas.....')

    def action_tables(self):
        self.dialog_manage_tables.exec_()

    def action_tip(self):
        if self._config['tip_product'] and self._config['tip_rate']:
            total_amount = int(self._get_total_amount())
            self.add_product(code=self._config['tip_product']['code'])
            self.button_plus_pressed()
            eval_value = int((self._config['tip_rate'] / 100) * total_amount)
            self.ModSaleLine.write(
                [self._current_line_id], {'unit_price': Decimal(eval_value)}
            )
            self._PosSale.write([self._sale['id']], {'tip': Decimal(eval_value)})
            self.update_total_amount()

    def action_salesman(self):
        if self._state in ['cash']:
            return
        self.dialog_salesman.exec_()

    def action_delivery_men(self):
        self.dialog_delivery_men.exec_()

    def action_delivery_men_panel(self):
        pass

    def action_control_panel(self):
        self.dialog_control_panel.exec_()

    def action_help(self):
        Help(self).show()

    def action_open_statement(self):
        res = self.ModSale.faster_open_statement({
            'device': self.device['id']
        })
        if res['result'] == True:
            self.dialog('statement_created')

    def action_closed_statement(self):
        res = self.ModSale.faster_close_statement({
            'device': self.device['id']
        })
        if res['result'] == True:
            self.dialog('statement_finish')

    def action_count_money(self):
        self.dialog_money_count.exec_()
        pass

    def action_table_discount(self):
        pass

    def action_tax(self):
        self.dialog_tax.exec_()

    def action_payment(self):
        if self._state != 'cash':
            self.dialog('add_payment_sale_draft')
            return
        self.dialog_payment.exec_()

    def _check_credit_capacity(self, party):
        if party['credit_limit_amount']:
            if (party['credit_limit_amount'] * Decimal(RATE_CREDIT_LIMIT)) < (
                    party['credit_amount'] + self._get_total_amount()):
                self.dialog('credit_limit_capacity')
                return True

    def validate_payment_term(self):
        is_credit = self._payment_terms[str(self.field_payment_term_id)]['is_credit']
        party, = self.Party.find([('id', '=', self.party_id)])
        if is_credit:
            if self.party_id == self.default_party['id']:
                self.dialog('customer_not_credit')
                return False
        if self._credit_limit_activated:
            if is_credit and not party['credit_limit_amount']:
                self.dialog('customer_not_credit')
                return False

        self._credit_amount = self.ModSale.get_credit_amount_party({'party_id': self.party_id})
        self._credit_limit_amount = party['credit_limit_amount']

        if is_credit and self._credit_limit_amount and \
            self._credit_limit_amount < (self._credit_amount + self._get_total_amount()):
            self.dialog('credit_limit_exceed')
            return False
        return True

    def action_payment_term_selection_changed(self):
        is_credit = self._payment_terms[str(self.field_payment_term_id)]['is_credit']
        self._PosSale.write([self._sale['id']], {'payment_term': self.field_payment_term_id})
        self.field_payment_term.setText(self._payment_terms[str(self.field_payment_term_id)]['name'])
        if is_credit and self.type_pos_user != 'salesman':
            if self.validate_credit_limit():
                self._done_sale(is_credit=True)

    def validate_credit_limit(self):
        if self._credit_limit_amount and self._credit_limit_amount < (self._credit_amount + self._get_total_amount()):
            self.dialog('credit_limit_exceed')
            return False
        else:
            return True

    # def action_journal_selection_changed(self):
    #     self.message_bar.set('enter_payment', self.field_journal_name)

    # def action_salesman_selection_changed(self):
    #     self._PosSale.write([self._sale['id']], {'salesman': self.field_salesman_id})

    def action_delivery_charge_selection_changed(self, index):
        val = self.field_delivery_charge.get_id()
        if val:
            self._PosSale.write([self._sale['id']], {'delivery_charge': val})

    def action_channel_selection_changed(self, index):
        val = self.field_channel.get_id()
        if val:
            self._PosSale.write([self._sale['id']], {'channel': val})

    def action_delivery_way_selection_changed(self, index):
        val = self.field_delivery_way.get_id()
        if val:
            self._PosSale.write([self._sale['id']], {'delivery_way': val})

    def action_invoice_type_selection_changed(self, index):
        val = self.field_invoice_type.get_id()
        if val:
            self._PosSale.write([self._sale['id']], {'invoice_type': val})

    def action_tax_selection_changed(self):
        res = self._PosSale.add_tax(self._sale['id'], self.field_tax_id,
                                    self._context)
        self._sale.update(res)
        self.set_amounts()

    def action_consumer(self):
        self.clear_dialog_consumer()
        self.dialog_search_consumer.show()
        self.row_field_phone.setFocus()

    def action_print_sale(self):
        number = self.field_invoice.text()
        if not number:
            number = self.field_order_number.text()
        if number:
            self.field_invoice_number_ask.setText(number)
        res = self.dialog_print_invoice.exec_()
        if res == DIALOG_REPLY_NO:
            return
        number = self.field_invoice_number_ask.text()
        printer_id = self.field_printer_ask.get_id()
        type_doc = self.field_type_ask.get_id()
        sale = {}
        if number:
            if type_doc == 'order':
                sales = self.ModSale.find([('number', '=', number)])
                if sales:
                    sale = sales[0]
            else:
                sale = self._PosSale.get_sale_from_invoice([1], number,
                                                           self._context)
            if not sale:
                return self.message_bar.set('sale_number_not_found')
            sale_id = sale['id']
        else:
            sale_id = self._sale['id']

        if printer_id == '1':
            self.print_invoice(sale_id)
        else:
            self.print_odt_invoice(sale)

    def print_odt_invoice(self, sale):
        if not sale.get('invoices'):
            return
        invoice_id = sale['invoices'][0]
        model = u'account.invoice'
        data = {
            'model': model,
            'action_id': self._action_report['id'],
            'id': invoice_id,
            'ids': [invoice_id],
        }
        ctx = {'date_format': u'%d/%m/%Y'}
        ctx.update(self._context)
        Action.exec_report(self.conn, u'account.invoice', data, direct_print=True, context=ctx)

    def action_comment(self):
        self.dialog_comment.exec_()
        comment = self.field_comment_ask.text()
        if comment:
            self._PosSale.write([self._sale['id']], {'comment': comment})

    def action_position(self):
        self.dialog_position.exec_()
        position = self.field_position_ask.text()
        if hasattr(self, 'field_position') and position:
            self.field_position.setText(position)
            self._PosSale.write([self._sale['id']], {'position': position})

    def action_agent(self):
        self.dialog_agent.exec_()
        res = self.field_commission_ask.text()
        if not res:
            return
        commission = float(res)
        sale, = self.ModSale.find([
            ('id', '=', self._sale['id']),
        ])
        self.field_agent_id = self.field_agent_ask.get_id()

        if self.field_agent_id and commission:
            agent, = self.Agent.find([
                ('id', '=', self.field_agent_id),
            ])
            if commission <= agent['plan']['percentage']:
                self._PosSale.write([self._sale['id']], {
                    'agent': self.field_agent_id,
                    'commission': int(commission),
                })
            else:
                self.message_bar.set('invalid_commission')
                return
            self.message_bar.set('system_ready')
            comm_string = str('[' + str(commission) + ']' + ' ') + (str(self.field_agent_ask.text()))
            self.field_agent.setText(comm_string)
            self._set_commission_amount(sale['untaxed_amount'], commission)

    def _set_commission_amount(self, untaxed_amount, commission):
        untaxed_amount = int(untaxed_amount)
        commission = int(commission)
        total = ((untaxed_amount * commission) / 100)
        self.field_commission_amount.setText(str(total))

    def action_party(self):
        if self._state in ['cash']:
            return
        self.dialog_search_parties.clear_rows()
        self.dialog_search_parties.execute()

    def action_global_discount(self, sale_id=None):
        if self._state in ['accept', 'cash']:
            return
        self.dialog_global_discount.exec_()
        discount = self.field_global_discount_ask.text()
        if discount and discount.isdigit():
            if self.model_sale_lines.rowCount() > 0:
                lines = [line['id'] for line in self.model_sale_lines._data]
                res = self.set_discount(int(discount), lines)
                if not res:
                    self.message_bar.set('discount_not_valid')
                    return False

    def _print_order(self, sale_id, kind, reversion=False):
        result = False
        try:
            orders = self._PosSale.get_order2print(sale_id, reversion, False, self._context)
            result = self.receipt_order.print_orders(orders, reversion, kind)
        except:
            logging.error('Printing order fail!')
        return result

    def action_print_order(self, sale_id=None, reversion=False):
        res = self.dialog_order.exec_()
        if res == DIALOG_REPLY_NO:
            return

        kind = 'delivery'
        if self.enviroment == 'restaurant':
            kind = 'command'
        if not self.print_order:
            return
        if not sale_id and self._sale['id']:
            sale_id = self._sale['id']

        result = self._print_order(sale_id, kind)
        # try:
        #     orders = self._PosSale.get_order2print(sale_id, reversion,
        #         False, self._context)
        #     result = self.receipt_order.print_orders(orders, reversion, kind)
        #     print(result, orders)
        # except:
        #     print('Error: printing order fail!')
        if result:
            # Show dialog if send sale order was successful
            self.dialog('order_successfully')
        else:
            self.dialog('order_failed')

    def action_payment_term(self):
        if self._state == 'cash' or self.type_pos_user == 'salesman':
            self.dialog_payment_term.exec_()

    def action_new_sale(self):
        if self._state in ['cash']:
            return
        if not self._sale['id']:
            return
        if self._ask_new_sale():
            self.createNewSale()
            if self.enviroment == 'restaurant':
                self.wizard_new_sale()

    def wizard_new_sale(self):
        # self.action_position()
        # self.action_salesman()
        pass

    def numpad_price_clicked(self):
        code = self.label_input.text()
        product = self._search_product(code)
        if not product:
            return

    def _ask_new_sale(self):
        dialog = self.dialog('new_sale', response=True)
        res = dialog.exec_()
        if res == DIALOG_REPLY_NO:
            return False
        return True

    def action_cancel(self):
        if self._state == 'finished':
            return
        if self.type_pos_user == 'cashier':
            self.dialog_cancel_invoice.exec_()
            password = self.field_password_for_cancel_ask.text()
            if password != self._password_admin:
                return self.dialog('not_permission_for_cancel')

        if not self._sale['id']:
            return
        if self._state == 'cash' and not self.user_can_delete:
            return self.dialog('not_permission_delete_sale')
        if self.type_pos_user in ('order', 'salesman') and \
                self._sale.get('invoice_number'):
            return self.dialog('not_permission_delete_sale')
        dialog = self.dialog('cancel_sale', response=True)
        response = dialog.exec_()
        if response == DIALOG_REPLY_NO:
            return
        self._PosSale.cancel_sale(self._sale['id'], self._context)
        self.field_password_for_cancel_ask.setText('')
        self.set_state('cancel')
        self.clear_right_panel()
        self.createNewSale()

    def action_search_product(self):
        if self._state == 'cash':
            return
        self.dialog_search_products.show()

    def action_search_sale(self):
        if self._state in ['cash']:
            return
        delta = str(datetime.now() - timedelta(4))
        if self.type_pos_user == 'cashier':
            dom = ['OR', [
                ('create_date', '>=', delta),
                ('state', 'in', ['quotation', 'confirmed']),
            ], [
                ('state', '=', 'processing'),
                ('invoice.state', '=', 'draft'),
                ('invoice.type', '=', 'out'),
            ]]
        elif self.type_pos_user in ('order', 'salesman'):
            dom = [
                ('state', '=', 'draft'),
                ('create_date', '>=', delta),
            ]
        else:
            dom = [
                ('state', 'in', ['draft', 'quotation', 'confirmed']),
                ('create_date', '>=', delta),
            ]

        sales = self.ModSale.find(dom, order=[('id', 'DESC')])
        self.dialog_search_sales.set_from_values(sales)

        if self.enviroment == 'retail':
            dom_draft = [
                ('create_date', '>=', delta),
                ('state', '=', 'draft'),
                ('invoice_number', '!=', None),
            ]
            sales_draft = self.ModSale.find(dom_draft)
            self.dialog_search_sales.set_counter_control(sales_draft)
        response = self.dialog_search_sales.execute()
        self.field_invoice_type.set_enabled(True)
        if response == DIALOG_REPLY_NO:
            return

    def on_selected_sale(self):
        sale_id = self.dialog_search_sales.get_id()
        if not sale_id:
            return
        self.load_sale(sale_id)
        self.setFocus()
        self.label_input.setFocus()
        self.grabKeyboard()

    def on_selected_party(self, party_id=None):
        if not party_id:
            party_id = self.dialog_search_parties.get_id()
        if not party_id:
            return

        party, = self.Party.find([('id', '=', party_id)])
        values = {
            'party': party_id,
            'invoice_address': party['addresses'][0]['id'],
            'shipment_address': party['addresses'][0]['id'],
        }

        payment_term = party.get('customer_payment_term')
        if payment_term:
            values['payment_term'] = payment_term['id']
            self.field_payment_term.setText(str(payment_term['name']))
            self.field_payment_term_id = payment_term['id']
        else:
            values['payment_term'] = self.default_payment_term['id']
            self.field_payment_term_id = self.default_payment_term['id']
            self.field_payment_term.setText(self.default_payment_term['name'])

        self._PosSale.write([self._sale['id']], values)
        self.party_id = party_id
        self.field_party.setText(party['name'])

        if party.get('salesman'):
            self.field_salesman_id = party['salesman']['id']
            self._PosSale.write([self._sale['id']], {'salesman': self.field_salesman_id})
            self.field_salesman.setText(party['salesman']['name'])

        # if self._credit_limit_activated:
        #     self._check_credit_capacity(party)
        self.message_bar.set('system_ready')
        self.setFocus()
        self.label_input.setFocus()
        self.grabKeyboard()

    def load_sale(self, sale_id):
        # loads only draft sales
        self.is_clear_right_panel = True
        self.clear_data()
        self.clear_left_panel()
        self.clear_right_panel()
        sale, = self.ModSale.find([('id', '=', sale_id)])
        self._sale.update(sale)
        self.table_payment_lines.reset()
        self.field_order_number.setText(sale['number'] or '')
        self.field_state.setText(sale['state'] or '')
        self._set_sale_date()
        if hasattr(self, 'field_position'):
            self.field_position.setText(sale['position'] or '')
        if sale.get('payment_term'):
            self.field_payment_term_id = sale['payment_term']['id']
            self.field_payment_term.setText(sale['payment_term']['name'] or '')
        if sale.get('salesman'):
            self.field_salesman.setText(sale['salesman']['name'] or '')
            self.field_salesman_id = sale['salesman']['id']

        res = self.ModSale.get_invoice_type({'sale_id': sale_id})
        if res:
            self.field_invoice_type.set_from_id(res['invoice_type'])

        if sale.get('invoice_number'):
            self.field_invoice.setText(sale['invoice_number'] or '')
        else:
            self.field_invoice.setText('')
        if self.field_delivery_charge:
            self.field_delivery_charge.set_enabled(True)
            if sale.get('delivery_charge'):
                self.field_delivery_charge.set_from_id(sale['delivery_charge'])
        if sale.get('table_assigned'):
            self.field_table_assigned.setText(sale['table_assigned.name'] or '')

        if sale.get('channel'):
            self.field_channel.set_from_id(sale['channel']['id'])

        if sale.get('delivery_way'):
            self.field_delivery_way.set_from_id(sale['delivery_way'])

        if sale.get('delivery_party'):
            self.field_delivery_men.setText(sale['delivery_party']['name'] or '')

        self.field_change.zero()
        if self._commission_activated:
            if hasattr(self, 'field_agent') and sale.get('agent') \
                    and sale.get('commission'):
                commission = sale.get('commission')
                self.field_agent.setText('[' + str(int(commission)) + ']' + ' ' + sale['agent']['name'])
                self.field_agent_id = sale['agent']['id']
                self.field_agent_ask.setText(sale['agent']['name'])
                self.field_commission_ask.setText(str(commission))
                self._set_commission_amount(sale['untaxed_amount'], commission)
        self.line_ids = [l['id'] for l in sale.get('lines')]
        if sale.get('lines'):
            lines = self.ModSaleLine.find([
                ('id', 'in', self.line_ids),
            ])
            sale['lines'] = lines
            for line in lines:
                self.add_sale_line(line)

        if sale.get('payments'):
            for payment in sale['payments']:
                self.table_payment_lines.record_add(payment)

        self.set_state('add')
        self.party_id = sale['party']['id']
        self.field_party.setText(sale['party']['name'])
        self.set_amounts(sale)
        self.set_amount_received()
        self.field_amount.setText('')
        if self.type_pos_user in ('cashier', 'order', 'salesman'):
            self.table_sale_lines.setEnabled(True)

    def set_change_amount(self):
        amount_paid = self.table_payment_lines.get_sum('amount')
        res = amount_paid - self._get_total_amount()
        self.field_change.setText(res)

    def set_amount_received(self, cash_received=ZERO):
        residual_amount = self._sale['residual_amount']
        if cash_received:
            amount = cash_received
        else:
            amount = self._sale['paid_amount']
            self.field_pending.setText(residual_amount)
        self.field_paid.setText(amount)

    def update_total_amount(self):
        self.set_amounts()

    def set_amounts(self, res=None):
        if not res:
            res = self._PosSale.get_amounts([self._sale['id']], self._context)

        self._sale.update(res)
        residual_amount = 0
        if res.get('residual_amount'):
            residual_amount = res['residual_amount']
        self.field_pending.setText(residual_amount)
        self.field_untaxed_amount.setText(res['untaxed_amount'])
        self.field_taxes_amount.setText(res['tax_amount'])
        self.field_total_amount.setText(res['total_amount'])
        self.set_discount_amount()

    def _get_products_by_category(self, cat_id):
        records = self.Product.find([
            ('code', '!=', None),
            ('template.salable', '=', True),
            ('template.categories', '=', cat_id),
        ])
        return [
            [r['id'], r['code'], r['name'], r['template']['sale_price_w_tax']] for r in records
        ]

    def get_product_by_categories(self):
        self.allow_categories = [pc for pc in self.product_categories if
                                 not pc['parent'] and not pc['accounting']]

        for cat in self.allow_categories:
            cat['icon'] = get_icon(cat['name_icon'])
            cat['items'] = self._get_products_by_category(cat['id'])
        return self.allow_categories

    def get_menu_control_panel(self):
        menu_dash = [
            ['button_open', self.tr('OPEN STATEMENTS'), 'action_open_statement'],
            ['button_closed', self.tr('CLOSED STATEMENTS'), 'action_closed_statement'],
            ['button_money', self.tr('COUNT MONEY'), 'action_count_money'],
            ['button_discount', self.tr('GLOBAL DISCOUNT'), 'action_table_discount'],
            ['button_delivery_men', self.tr('DELIVERY MEN'), 'action_delivery_men_panel'],
            ['button_help', self.tr('HELP'), 'action_help'],
        ]
        return menu_dash

    def _get_childs(self, parent_cat):
        res = {}
        for cat_id in parent_cat['childs']:
            sub_categories = self.Category.find([
                ('parent', '=', parent_cat['id'])
            ])

            for sub_cat in sub_categories:
                res.update(self._get_childs(sub_cat))
        res = {
            'id': parent_cat['id'],
            'name': parent_cat['name'],
            'childs': parent_cat['childs'],
            'records': [],
            'obj': parent_cat,
        }
        return res

    def get_category_items(self, records):
        records_by_category = {}

        def _get_tree_categories(cat):
            sub_categories = {}
            if not cat['childs']:
                sub_categories[cat['name']] = records_by_category.get(cat['id']) or []
            else:
                for child in cat['childs']:
                    sub_categories.update(_get_tree_categories(
                        self.target_categories[child]['obj']))
            return sub_categories

        for record in records:
            cat_id = record.get('template.account_category')
            if cat_id not in records_by_category.keys():
                records_by_category[cat_id] = []

            records_by_category[cat_id].append(record)

        res = {}
        for ac in self.allow_categories:
            res[ac['name']] = _get_tree_categories(ac)
        return res

    def on_selected_product(self):
        if self.dialog_search_products.current_row:
            self._current_line_id = None
            self.clear_right_panel()
            self.add_product(product=self.dialog_search_products.current_row)

    def on_selected_icon_product(self):
        if self.dialog_search_products.current_row:
            code = self.dialog_search_products.current_row['code']
            products = self.Product.find([
                ('code', '=', code)
            ])
            if not products:
                return

            product = products[0]
            image = Image(name='product_icon')
            if not product['image']:
                return

            b64image = product['image'].encode()
            image.set_image(b64image, kind='bytes')
            image.activate()

    def on_selected_stock_product(self):
        if self.dialog_search_products.current_row:
            code = self.dialog_search_products.current_row['code']
            res = self.Product.get_stock_by_locations({'code': code})
            self.dialog_product_stock.update_values(res)
            self.dialog_product_stock.show()

    def on_selected_item(self, product_id):
        if product_id:
            self.clear_right_panel()
            self.add_product(id=product_id)

    def on_selected_salesman(self, salesman_id):
        if salesman_id:
            self._PosSale.write([self._sale['id']], {'salesman': salesman_id})
            sale, = self.ModSale.find([('id', '=', self._sale['id'])])
            self.field_salesman.setText(sale['salesman']['name'] or '')
            self.field_salesman_id = salesman_id
            self.dialog_salesman.close()

    def on_selected_delivery_men(self, delivery_men_id):
        if delivery_men_id:
            self._PosSale.write([self._sale['id']], {'delivery_party': delivery_men_id})
            sale, = self.ModSale.find([('id', '=', self._sale['id'])])
            self.field_delivery_men.setText(sale['delivery_party']['name'] or '')
            self.field_delivery_men_id = delivery_men_id
            self.dialog_delivery_men.close()

    def on_selected_payment_term(self, payterm_id):
        if payterm_id:
            self.field_payment_term_id = payterm_id
            self.action_payment_term_selection_changed()
            self.dialog_payment_term.close()

    def on_selected_payment(self, payment_id):
        if payment_id:
            self.field_journal_id = payment_id
            self.dialog_payment.close()
            name_ = self._journals[payment_id]['name']
            self.message_bar.set('enter_payment', name_)

    def on_search_product(self):
        target = self.dialog_search_products.filter_field.text()
        if not target:
            return
        target_words = target.split(' ')
        domain = [
            ('template.active', '=', True),
            ('active', '=', True),
            ('template.salable', '=', True),
        ]
        for tw in target_words:
            if len(tw) <= 1:
                continue
            clause = ['OR',
                      ('template.name', 'ilike', '%{:}%'.format(tw)),
                      ('description', 'ilike', '%{:}%'.format(tw))]
            domain.append(clause)
        if not self._sale_pos_restaurant and self.shop.get('product_categories'):
            categories_id = [ct['id'] for ct in self.shop['product_categories']]
            domain.append(('template.account_category', 'in', categories_id))

        if not domain:
            return
        if self.cache_local:
            domain = [clause]
            products = self.store.find_product_elastic(domain, limit=100)
        else:
            products = self.Product.find(domain, limit=100, ctx=self.stock_context)
        self.dialog_search_products.set_from_values(products)

    def on_search_party(self):
        target = self.dialog_search_parties.filter_field.text()
        if not target:
            return
        target_words = target.split(' ')
        domain = [('id_number', '!=', None)]
        for tw in target_words:
            if len(tw) <= 2:
                continue
            or_clause = ['OR',
                         ('name', 'ilike', '%' + tw + '%'),
                         ('contact_mechanisms.value', 'like', tw + '%'),
                         ('id_number', 'like', tw + '%')]
            domain.append(or_clause)
        parties = self.Party.find(domain)
        self.dialog_search_parties.set_from_values(parties)

    def clear_data(self):
        self._sale = {'total_amount': 0}
        self.party_name = None
        self._sale_line = {'id': None}
        self._total_amount = {}
        self._sale_lines_taxes = {}
        self.field_journal_id = self.default_journal['id']

    def clear_left_panel(self):
        # self.message_bar.set('system_ready')
        self.field_party.setText('')
        self.field_salesman.setText('')
        self.field_salesman_id = None
        self.field_invoice_type.set_from_id('')
        self.field_party_id = None
        self.field_agent_id = None
        self.field_payment_term_id = self.default_payment_term['id']
        self.field_payment_term.setText(self.default_payment_term['name'])
        self.field_date.setText('')
        self.field_global_discount_ask.setText('')
        self.field_amount.setText('')
        self.field_order_number.setText('')
        self.field_state.setText('')
        self.current_comment = ''
        if self.field_delivery_charge:
            self.field_delivery_charge.set_from_id('')
        if self.field_table_assigned:
            self.field_table_assigned.setText('')
        if hasattr(self, 'field_comment_ask'):
            # self.field_comment_ask.document().clear()
            pass
        if hasattr(self, 'field_points'):
            self.field_points.setText('')
        if self._commission_activated and hasattr(self, 'field_agent'):
            self.field_agent.setText('')
            self.field_agent_ask.setText('')
            self.field_commission_ask.setText('')
            self.field_commission_amount.setText('')
        if hasattr(self, 'field_position'):
            self.field_position.setText('')
            self.field_position_ask.setText('')
        self.model_sale_lines.reset()
        self.clear_input_text()
        self.clear_amount_text()

    def clear_right_panel(self):
        if self.is_clear_right_panel:
            return
        self.field_invoice.setText('')
        self.field_untaxed_amount.zero()
        self.field_taxes_amount.zero()
        self.field_total_amount.zero()
        self.field_change.zero()
        self.field_paid.zero()
        self.field_discount.zero()
        self.field_pending.zero()
        self.table_payment_lines.reset()
        self.is_clear_right_panel = True

    def state_enabled(self):
        pass

    def state_disabled(self):
        self.payment_ctx = {}
        self.clear_left_panel()
        self.table_sale_lines.setDisabled(True)
        self.set_state('disabled')
        if self.field_delivery_charge:
            self.field_delivery_charge.set_enabled(False)

    def createNewSale(self):
        if self.enviroment == 'restaurant' and self._sale_pos_restaurant:
            self.clear_dialog_consumer()
        self.check_empty_sale()
        if self.type_pos_user == 'cashier':
            self.message_bar.set('not_sale')
            self.state_disabled()
            return
        self.set_state('add')
        self.input_text_changed('')
        self.amount_text_changed('0')
        self.clear_sign()
        self.global_timer = 0
        self.consumer_id = None
        self.payment_ctx = {}
        self.is_clear_right_panel = False
        self.table_sale_lines.setEnabled(True)
        self.field_invoice_type.set_enabled(True)
        self.clear_data()
        self.clear_left_panel()
        self.message_bar.set('system_ready')
        self._sale = self._PosSale.new_sale([], {
            'shop': self.shop['id'],
            'invoice_type': 'P',
            'company': self.company['id'],
            'party': self.default_party['id'],
            'sale_device': self.device['id'],
            'payment_term': self.default_payment_term['id']
        }, self._context)
        self.field_party.setText(self._sale['party_name'])
        self.field_invoice_type.set_from_id(self._sale['invoice_type'])
        self.field_state.setText(self._sale['state'])
        # FIXME ADD MORE
        self._sale.update({
            'total_amount': 0
        })
        if hasattr(self, 'field_channel'):
            self.field_channel.set_from_id('')
        if hasattr(self, 'field_delivery_way'):
            self.field_delivery_way.set_from_id('')
        if hasattr(self, 'field_delivery_men'):
            self.field_delivery_men.setText('')

        self.party_id = self.default_party['id']
        if self._sale.get('id'):
            self._set_sale_date()
            self.field_order_number.setText(self._sale['number'])
            if self.field_delivery_charge:
                self.field_delivery_charge.set_enabled(True)

    def _set_sale_date(self):
        if self._sale.get('sale_date'):
            local_date = self._sale['sale_date']
            if isinstance(local_date, date):
                local_date = local_date.isoformat()
            self.field_date.setText(local_date)

    def _search_product(self, code):
        domain = [
            ('template.salable', '=', True),
            ('template.account_category', '!=', None),
        ]
        domain.append(['OR',
                       ('barcode', '=', code),
                       ('code', '=', code)])
        if self.cache_local:
            clause = ['OR',
                      ('barcode', '=', '%{:}%'.format(code)),
                      ('code', '=', '%{:}%'.format(code))]
            domain = [clause]
            products = self.store.find_product_elastic(domain, limit=100)
        else:
            products = self.Product.find(domain, ctx=self.stock_context)
        # products = self.Product.find(domain)
        if not products or len(products) > 1:
            self.message_bar.set('product_not_found')
            return False
        else:
            product = products[0]
        return product

    def _check_quantity(self):
        for line in self.model_sale_lines._data:
            product_id = None
            if isinstance(line['product'], int):
                product_id = line['product']
            elif isinstance(line['product'], dict):
                product_id = line['product']['id']
            if product_id:
                product, = self.Product.find([('id', '=', product_id)], ctx=self.stock_context)
                if product.get('quantity') and not self._check_stock_quantity(product):
                    return False
        return True

    def check_salesman(self):
        if self.salesman_required and not self.field_salesman_id:
            dialog = self.dialog('missing_salesman')
            dialog.exec_()
            return False
        return True

    def add_product(self, id=None, code=None, product=None):
        if self._state == 'disabled':
            self.message_bar.set('must_load_or_create_sale')
            return

        product_id = None
        if id:
            product_id = id
        elif code:
            # REMOVE ME
            product = self._search_product(code)
            if product:
                product_id = product['id']
        elif product:
            product_id = product['id']

        if not product_id:
            self._state = 'warning'
            return

        data = {
            'sale_id': self._sale['id'],
            'product_id': product_id,
            'qty': 1
        }
        res = self.ModSale.faster_add_product(data)
        self._sale_line = res
        self._current_line_id = res['id']
        self.add_sale_line(res)
        self._sale_line['product'] = product

        self.update_total_amount()
        self.set_state('add')

    def _check_stock_quantity(self, product, request_qty=None):
        if not isinstance(product['quantity'], (str, int, float, Decimal)):
            return True
        qty_ = Decimal(product['quantity'])
        if self._password_admin:
            if (request_qty and qty_ < request_qty) or (qty_ <= 0):
                self.message_bar.set('without_stock_quantity', product['name'])
                self.dialog_force_assign.exec_()
                password = self.field_password_force_assign_ask.text()
                self.field_password_force_assign_ask.setText('')
                if password != self._password_admin:
                    self.message_bar.set('not_can_force_assign')
                    return False
                else:
                    self.message_bar.set('system_ready')
        return True

    def add_sale_line(self, record):
        if not record.get('unit.symbol'):
            record['unit.symbol'] = record['unit']['symbol']
        if isinstance(record['product'], dict):
            if not record.get('product.template.name'):
                record['product.template.name'] = record['product']['template']['name']
            if not record.get('product.code'):
                record['product.code'] = record['product']['code']
        rec = self.model_sale_lines.add_record(record)
        self.field_amount.setText(rec['amount_w_tax'])

    def sale_line_selected(self, product):
        if self._state == 'cash':
            return
        self._current_line_id = product['id']
        self.label_product.setText(product['product.template.name'])
        self.row_field_description.setText(product['description'])
        self.row_field_qty.setValue(float(product['quantity']))
        self.row_field_price.setText(str(product['unit_price_w_tax']))
        # self.row_field_note.setText(str(product['note']))

        self.dialog_product_edit.show()
        self.row_field_note.setFocus()

    def setup_money_count(self):
        bill = {
            'name': 'bill',
            'format': '{:5,.1f}',
            'align': alignRight,
            'description': self.tr('BILL'),
            'width': 200
        }
        quantity = {
            'name': 'quantity',
            'format': '{:3,.%sf}',
            'align': alignRight,
            'description': self.tr('QUANTITY'),
            'digits': ('unit.symbol', CONVERSION_DIGITS),
            'width': 160
        }
        amount = {
            'name': 'amount',
            'format': '{:5,.1f}',
            'align': alignRight,
            'description': self.tr('AMOUNT'),
            'width': 210
        }

        self.fields_money_count = [bill, quantity, amount]

        records = [
            ['100000', '0', '0'],
            ['50000', '0', '0'],
            ['20000', '0', '0'],
            ['10000', '0', '0'],
            ['5000', '0', '0'],
            ['2000', '0', '0'],
            ['1000', '0', '0'],
            ['500', '0', '0'],
            ['200', '0', '0'],
            ['100', '0', '0'],
            ['50', '0', '0'],
        ]

        self.model_money_count = TableModelEdit(records)

    def setup_sale_line(self):
        product_code = {
            'name': 'product.code',
            'align': alignRight,
            'description': self.tr('COD'),
            'width': 80
        }
        product = {
            'name': 'product.template.name',
            'align': alignLeft,
            'description': self.tr('NAME'),
            'width': STRETCH
        }
        description = {
            'name': 'description',
            'align': alignLeft,
            'description': self.tr('DESCRIPTION'),
            'width': 180
        }
        uom = {
            'name': 'unit.symbol',
            'align': alignHCenter,
            'description': self.tr('UNIT'),
            'width': 50
        }
        qty = {
            'name': 'quantity',
            'format': '{:3,.%sf}',
            'align': alignRight,
            'description': self.tr('QTY'),
            'digits': ('unit.symbol', CONVERSION_DIGITS),
            'width': 80
        }
        discount = {
            'name': 'discount',
            'format': '{0:.0%}',
            'align': alignRight,
            'description': self.tr('DISC'),
            'width': 50
        }
        amount = {
            'name': 'amount_w_tax',
            'format': '{:5,.1f}',
            'align': alignRight,
            'description': self.tr('SUBTOTAL'),
            'width': 100
        }
        note = {
            'name': 'note',
            'align': alignLeft,
            'description': self.tr('NOTE'),
            'invisible': True,
            'width': 100
        }
        unit_price = {
            'name': 'unit_price_w_tax',
            'format': '{:5,.1f}',
            'align': alignLeft,
            'description': self.tr('UNIT PRICE W TAX'),
            'invisible': True,
            'width': 100
        }

        qty_fraction = {
            'name': 'qty_fraction',
            'align': alignHCenter,
            'description': self.tr('FRAC'),
            'width': 50
        }

        self.fields_sale_line = [product, uom, qty, discount,
            amount, note, unit_price]

        if self.enviroment == 'retail':
            self.fields_sale_line.insert(0, product_code)

        if self._config.get('show_description_pos'):
            self.fields_sale_line.insert(2, description)

        if self._config.get('show_fractions'):
            self.fields_sale_line.insert(4, qty_fraction)

        self.model_sale_lines = TableModel('sale.line', self.fields_sale_line)

    def setup_payment(self):
        pay_fields = [{
            'name': 'statement',
            'align': alignLeft,
            'description': self.tr('STATEMENT JOURNAL'),
        }, {
            'name': 'amount',
            'align': alignRight,
            'format': '{:5,.1f}',
            'description': self.tr('AMOUNT'),
        }, {
            'name': 'voucher',
            'align': alignCenter,
            'description': self.tr('VOUCHER'),
        }]
        self.table_payment_lines = TableModel('account.statement.line', pay_fields)

    def action_table(self):
        self.table_sale_lines.setFocus()

    def on_change_line_selected(self, key):
        self.table_sale_lines.moved_selection(key)

    def action_delete_line(self):
        if self.model_sale_lines.rowCount() <= 0 or self._state == 'cash':
            return

        self.table_sale_lines.setFocus()
        removed_item = self.table_sale_lines.delete_item()

        """Delete product """
        product = removed_item['product']

        self.ModSaleLine.delete([removed_item['id']])
        self.set_amounts()
        self.update_total_amount()
        # self.clear_right_panel()

        self._current_line_id = None
        self.setFocus()
        self.label_input.setFocus()

        if self.enviroment == 'restaurant':
            if removed_item and self.print_order:
                self.action_print_order(self._sale['id'], removed_item)
            if self._config['tip_product']['code'] == removed_item['product.code']:
                self._PosSale.write([self._sale['id']], {'tip': None})

    def set_discount(self, eval_value, lines_ids=[]):
        res = False
        try:
            value = round(float(str(eval_value)), 6)
        except ValueError:
            logging.warning('ValueError > ', ValueError)
            return
        if float(value) < 0:
            return False

        if not lines_ids:
            target_lines = [self._current_line_id]
        else:
            target_lines = lines_ids

        records = self.ModSaleLine.faster_set_discount({
            'line_ids': target_lines,
            'value': value
        })
        for rec in records:
            self.model_sale_lines.update_record(rec)

        if records:
            res = True
            self.set_amounts()
        return res

    def set_unit_price(self, value):
        rec = self.ModSaleLine.set_faster_unit_price({
            'id': self._current_line_id,
            'value': value,
        })

        if rec:
            self.model_sale_lines.update_record(rec)
            self.update_total_amount()
            return True
        return False

    def add_payment(self, amount, cash_received=0, change=0):
        voucher_number = None
        if self._journals[self.field_journal_id]['require_voucher']:
            self.dialog_voucher.exec_()
            voucher_number = self.field_voucher_ask.text()
            if voucher_number is None or voucher_number == '':
                return self.add_payment(amount)

        res = self.ModSale.faster_add_payment({
            'sale_id': self._sale['id'],
            'journal_id': self.field_journal_id,
            'amount': to_numeric(amount),
            'voucher_number': voucher_number,
            'cash_received': to_numeric(cash_received),
            'change': to_numeric(change)
        })

        if res.get('msg') not in ('missing_money', 'ok'):
            self.dialog(res['msg'])
            return res

        self.table_payment_lines.add_record(res)
        return res

    def set_keys(self):
        self.keys_numbers = list(range(Qt.Key_0, Qt.Key_9 + 1))
        self.keys_alpha = list(range(Qt.Key_A, Qt.Key_Z + 1))
        self.keys_period = [Qt.Key_Period]
        self.show_keys = self.keys_numbers + self.keys_alpha + self.keys_period

        self.keys_special = [Qt.Key_Asterisk, Qt.Key_Comma, Qt.Key_Minus, Qt.Key_Slash]
        self.keys_input = [Qt.Key_Backspace]
        self.keys_input.extend(self.keys_special)
        self.keys_input.extend(self.show_keys)
        self.keys_input.extend(self.keys_numbers)
        self.keys_input.extend([Qt.Key_Return, Qt.Key_Plus])

    def set_state(self, state='add'):
        self._state = state
        state = STATES[state]
        self._re = state['re']
        if not self.type_pos_user == 'order':
            if not self.buttonpad.stacked.stacked.currentWidget():
                return
            if state['button']:
                self.buttonpad.stacked.stacked.setCurrentWidget(
                    getattr(self.buttonpad.stacked, state['button'])
                )
                if not self.tablet_mode:
                    self.buttonpad.stacked.stacked.currentWidget().setVisible(True)
            else:
                self.buttonpad.stacked.stacked.currentWidget().setVisible(False)

    def key_pressed(self, text):
        if not self._sign and self._state != 'cash':
            if self._re.match(self._input_text + text):
                self.input_text_changed(text)
        else:
            if RE_SIGN['quantity'].match(self._amount_text + text):
                self.amount_text_changed(text)

    def clear_sign(self):
        self._sign = None
        self.field_sign.setText(' {0} '.format(' '))

    def sign_text_changed(self, sign):
        self._sign = sign
        self.field_sign.setText(' {0} '.format(sign))
        if hasattr(self, '_sale_line') and self._sale_line:
            if sign == '-':
                self.message_bar.set('enter_discount')
            elif sign == '/':
                self.message_bar.set('enter_new_price')
            elif sign == '*':
                self.message_bar.set('enter_quantity')
                if self.active_weighing and self._sale_line['unit_symbol'] != 'u':
                    self.action_read_weight()

    def key_special_pressed(self, value):
        self.clear_amount_text()
        self.clear_input_text()
        if value not in ['-', '/', '*']:
            return
        self.sign_text_changed(value)

    def key_backspace_pressed(self):
        if self._sign or self._state == 'cash':
            self._amount_text = self._amount_text[:-1]
            self.amount_text_changed()
        else:
            self._input_text = self._input_text[:-1]
            self.input_text_changed()

    def set_text(self, text):
        if not self._state == 'cash':
            self.input_text_changed(text)
        else:
            self.amount_text_changed(text)

    def clear_input_text(self):
        self.input_text_changed('')

    def clear_amount_text(self):
        self._amount_text = '0'
        self.amount_text_changed()

    def keyPressEvent(self, event):
        self._keyStates[event.key()] = True
        key = event.key()

        if self._state == 'add' and key not in self.keys_input and \
                key not in (Qt.Key_Enter, Qt.Key_End):
            # Clear ui context when keys function are pressed
            self._clear_context()

        if key in (Qt.Key_Return, Qt.Key_Plus):
            self.button_plus_pressed()
        elif key in self.show_keys:
            # No allow change quantity o discount in state == cash
            if self._state == 'cash' and key not in self.keys_numbers:
                return
            self.key_pressed(event.text())
        elif key in self.keys_special:
            if self._state == 'cash' or not self._current_line_id:
                return
            self.key_special_pressed(event.text())
        elif key == Qt.Key_Backspace:
            self.key_backspace_pressed()
        elif key == Qt.Key_Escape:
            if self._state not in ['cash']:
                self._clear_context()
            # self.close()
        elif key == Qt.Key_F1:
            # help = Help(self).show()
            self.action_control_panel()
        elif key == Qt.Key_F9:
            self.action_search_sale()
        elif key == Qt.Key_F11:
            self.action_new_sale()
        elif key == Qt.Key_F7:
            self.action_print_sale()
        elif self._state == 'disabled':
            self.message_bar.set('must_load_or_create_sale')
            return
        elif key in (Qt.Key_Enter, Qt.Key_End):
            if self.type_pos_user in ['order', 'salesman']:
                return
            if self._state == 'add':
                self.button_accept_pressed()
            elif self._state in ['cash']:
                self.button_cash_pressed()
        elif key == Qt.Key_F2:
            self.action_search_product()
        elif key == Qt.Key_F3:
            self.action_payment()
        elif key == Qt.Key_F4:
            self.action_party()
        elif key == Qt.Key_F5:
            self.action_global_discount()
        elif key == Qt.Key_F6:
            self.action_print_order()
        elif key == Qt.Key_F8:
            self.action_payment_term()
        elif key == Qt.Key_F10:
            self.action_table()
        elif key == Qt.Key_F12:
            self.action_cancel()
        elif key == Qt.Key_Home:
            self.action_salesman()
        elif key == Qt.Key_Down or key == Qt.Key_Up:
            self.on_change_line_selected(key)
        elif key == Qt.Key_Delete:
            self.action_delete_line()
        elif key == Qt.Key_Insert:
            self.action_position()
        elif key == Qt.Key_Semicolon and self._commission_activated:
            sale = self.get_current_sale()
            if sale['state'] == 'draft' and self._state not in ['cash']:
                self.action_agent()
        elif key == Qt.Key_QuoteDbl:
            self.action_comment()
        elif key == Qt.Key_Question:
            self.action_tax()

    @property
    def state(self):
        return self._state

    def update_sale_line(self, field):
        value = None
        self.state_line['id'] = self._current_line_id
        if field == 'quantity':
            value = Decimal(self.row_field_qty.value())
        if field == 'unit_price':
            value = self.row_field_price.text()
        if field == 'qty_fraction':
            qty = self.field_combobox_fraction.get_id()
            self.row_field_qty.setValue(float(qty))
            value = self.field_combobox_fraction.get_label()
            self.state_line['quantity'] = qty
            price_ = self.ModSale.get_product_prices({
                'ids': [self._sale_line['product']['id']],
                'quantity': float(qty),
                'sale_id': self._sale['id'],
            })
            if price_ and price_.get('unit_price_w_tax'):
                price_list = str(price_['unit_price_w_tax'])
                self.row_field_price.setText(price_list)
                self.state_line['unit_price'] = price_list

        if field == 'description':
            value = self.row_field_description.text()
        if field == 'note':
            value = self.row_field_note.toPlainText()

        if value:
            self.state_line[field] = value

    def dialog_product_edit_accepted(self):
        if not self.state_line:
            return
        _record = None
        if self.state_line.get('unit_price'):
            unit_price = self.state_line.pop('unit_price')
            self._sign = '/'
            self._process_price(unit_price)
            self._sign = None
            _record = self.ModSaleLine.write([self._current_line_id], {})

        if self.state_line.get('quantity'):
            quantity = self.state_line.pop('quantity')
            if self._process_quantity(str(quantity)):
                _record = self.ModSaleLine.faster_set_quantity({
                    'id': self._current_line_id,
                    'quantity': to_float(quantity, 2)
                })


        if self.state_line.get('description'):
            _record = self.ModSaleLine.write([self._current_line_id], {
                'description': self.state_line['description']
            })

        if self.state_line.get('note'):
            _record = self.ModSaleLine.write([self._current_line_id], {
                'note': self.state_line['note']
            })
        if _record:
            if not _record.get('unit.symbol'):
                _record['unit.symbol'] = _record['unit']['symbol']
            if not _record.get('product.template.name'):
                _record['product.template.name'] = _record['product']['template']['name']
            if not _record.get('product.code'):
                _record['product.code'] = _record['product']['code']
            self.model_sale_lines.update_record(_record)
        self.update_total_amount()
        self.state_line = {}

    def dialog_search_consumer_accepted(self):
        if not self.state_consumer:
            return
        if self._consumer:
            res = self.ModSale.update_consumer({
                'id': self._consumer['id'],
                'fields': self.state_consumer,
            })
        else:
            res = self.ModSale.create_consumer({
                'fields': self.state_consumer,
            })
        if res['msg'] == 'ok':
            self.consumer_id = res['consumer']
            self._PosSale.write([self._sale['id']], {'consumer': self.consumer_id})
            if res.get('party'):
                self.on_selected_party(res['party'])


    def update_consumer_data(self, field=''):
        if field == 'preferences':
            self.state_consumer['preferences'] = self.row_field_consumer_preference.toPlainText()
        if field == 'address':
            self.state_consumer['address'] = self.row_field_address.text()
        elif field == 'id_number':
            self.state_consumer['id_number'] = self.row_field_id_number.text()
        elif field == 'name':
            self.state_consumer['name'] = self.row_field_consumer.text()
        elif field == 'birthday':
            self.state_consumer['birthday'] = self.row_field_birthday.date().toPyDate()
        elif field == 'phone':
            self._text_field_phone = self.row_field_phone.text()
            if self._text_field_phone:
                self.state_consumer['phone'] = self._text_field_phone
                consumers = self.PartyConsumer.find([
                    ('phone', '=', self._text_field_phone),
                ])
                if not consumers:
                    self._consumer = {}
                    self.row_field_address.setText('')
                    self.row_field_consumer.setText('')
                    self.row_field_id_number.setText('')
                    self.row_field_birthday.setDate(MINIMUM_DATE)
                    self.row_field_consumer_preference.clear()
                else:
                    self._consumer = consumers[0]
                    self.row_field_address.setText(self._consumer['address'])
                    self.row_field_consumer.setText(self._consumer['name'])
                    self.row_field_id_number.setText(self._consumer['id_number'])
                    self.row_field_consumer_preference.insertPlainText(
                        self._consumer['preferences'])
                    if self._consumer.get('birthday'):
                        y, m, d = self._consumer['birthday'].split('-')
                        self.row_field_birthday.setDate(QDate(int(y), int(m), int(d)))


    def action_table_assigned(self, id, name, prev_state, new_state):
        table_assigned = id
        if self._sale.get('table_assigned') != id and prev_state == 'occupied':
            return False

        if self._sale.get('table_assigned') == id and new_state == 'available':
            name = ''
            table_assigned = None

        self._sale['table_assigned'] = table_assigned
        self._sale['table_assigned.state'] = new_state

        self._Tables.write([id], {'state': new_state})

        self._PosSale.write([self._sale['id']], {
            'table_assigned': table_assigned
            })
        self.field_table_assigned.setText(name)
        return True

    def clear_dialog_consumer(self):
        self.row_field_phone.setText('')
        self.row_field_address.setText('')
        self.row_field_consumer.setText('')
        self.row_field_id_number.setText('')
        self.row_field_birthday.setDate(QDate(2000, 1, 1))
        self.row_field_consumer_preference.clear()

    # def print_equivalent_invoice(self, sale_id):
    #     sale, = self.ModSale.find([('id', '=', sale_id)])

        # if not sale['invoices']:
        #     return
        #
        # invoice_id = sale['invoices'][0]
        # commissions = self._Commission.find([
        #     ('origin', '=', 'account.invoice,' + str(invoice_id))
        # ])
        #
        # # if not commissions:
        # #     return
        # # commission = commissions[0]
        # # if not commission['invoice_line.invoice']:
        # #     return
        # #
        # # model = u'account.invoice'
        # # data = {
        # #     'model': model,
        # #     'action_id': self._action_report_equivalent['id'],
        # #     'id': commission['invoice_line.invoice'],
        # #     'ids': [commission['invoice_line.invoice']],
        # # }
        # # ctx = {'date_format': u'%d/%m/%Y'}
        # # ctx.update(self._context)
        # # Action.exec_report(self.conn, u'account.invoice',
        # #     data, direct_print=True, context=ctx)


class DoInvoice(QThread):
    """
    Process invoices using a thread
    """
    sigDoInvoice = pyqtSignal()

    def __init__(self, main, context):
        QThread.__init__(self)

    def run(self):
        self.sigDoInvoice.emit()