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odoo.define('pos_restaurant.SplitBillScreen', function(require) {
'use strict';
const PosComponent = require('point_of_sale.PosComponent');
const { useState } = owl.hooks;
const { useListener } = require('web.custom_hooks');
const models = require('point_of_sale.models');
const Registries = require('point_of_sale.Registries');
class SplitBillScreen extends PosComponent {
constructor() {
super(...arguments);
useListener('click-line', this.onClickLine);
this.splitlines = useState(this._initSplitLines(this.env.pos.get_order()));
this.newOrderLines = {};
this.newOrder = new models.Order(
{},
{
pos: this.env.pos,
temporary: true,
}
);
this._isFinal = false;
}
mounted() {
this.env.pos.on('change:selectedOrder', this._resetState, this);
}
willUnmount() {
this.env.pos.off('change:selectedOrder', null, this);
}
get currentOrder() {
return this.env.pos.get_order();
}
get orderlines() {
return this.currentOrder.get_orderlines();
}
onClickLine(event) {
const line = event.detail;
this._splitQuantity(line);
this._updateNewOrder(line);
}
back() {
this.showScreen('ProductScreen');
}
proceed() {
if (_.isEmpty(this.splitlines))
// Splitlines is empty
return;
this._isFinal = true;
delete this.newOrder.temporary;
if (this._isFullPayOrder()) {
this.showScreen('PaymentScreen');
} else {
this._setQuantityOnCurrentOrder();
this.newOrder.set_screen_data({ name: 'PaymentScreen' });
// for the kitchen printer we assume that everything
// has already been sent to the kitchen before splitting
// the bill. So we save all changes both for the old
// order and for the new one. This is not entirely correct
// but avoids flooding the kitchen with unnecessary orders.
// Not sure what to do in this case.
if (this.newOrder.saveChanges) {
this.currentOrder.saveChanges();
this.newOrder.saveChanges();
}
this.newOrder.set_customer_count(1);
const newCustomerCount = this.currentOrder.get_customer_count() - 1;
this.currentOrder.set_customer_count(newCustomerCount || 1);
this.currentOrder.set_screen_data({ name: 'ProductScreen' });
this.env.pos.get('orders').add(this.newOrder);
this.env.pos.set('selectedOrder', this.newOrder);
}
}
/**
* @param {models.Order} order
* @returns {Object<{ quantity: number }>} splitlines
*/
_initSplitLines(order) {
const splitlines = {};
for (let line of order.get_orderlines()) {
splitlines[line.id] = { product: line.get_product().id, quantity: 0 };
}
return splitlines;
}
_splitQuantity(line) {
const split = this.splitlines[line.id];
let totalQuantity = 0;
this.env.pos.get_order().get_orderlines().forEach(function(orderLine) {
if(orderLine.get_product().id === split.product)
totalQuantity += orderLine.get_quantity();
});
if(line.get_quantity() > 0) {
if (!line.get_unit().is_pos_groupable) {
if (split.quantity !== line.get_quantity()) {
split.quantity = line.get_quantity();
} else {
split.quantity = 0;
}
} else {
if (split.quantity < totalQuantity) {
split.quantity += line.get_unit().is_pos_groupable? 1: line.get_unit().rounding;
if (split.quantity > line.get_quantity()) {
split.quantity = line.get_quantity();
}
} else {
split.quantity = 0;
}
}
}
}
_updateNewOrder(line) {
const split = this.splitlines[line.id];
let orderline = this.newOrderLines[line.id];
if (split.quantity) {
if (!orderline) {
orderline = line.clone();
this.newOrder.add_orderline(orderline);
this.newOrderLines[line.id] = orderline;
}
orderline.set_quantity(split.quantity, 'do not recompute unit price');
} else if (orderline) {
this.newOrder.remove_orderline(orderline);
this.newOrderLines[line.id] = null;
}
}
_isFullPayOrder() {
let order = this.env.pos.get_order();
let full = true;
let splitlines = this.splitlines;
let groupedLines = _.groupBy(order.get_orderlines(), line => line.get_product().id);
Object.keys(groupedLines).forEach(function (lineId) {
var maxQuantity = groupedLines[lineId].reduce(((quantity, line) => quantity + line.get_quantity()), 0);
Object.keys(splitlines).forEach(id => {
let split = splitlines[id];
if(split.product === groupedLines[lineId][0].get_product().id)
maxQuantity -= split.quantity;
});
if(maxQuantity !== 0)
full = false;
});
return full;
}
_setQuantityOnCurrentOrder() {
let order = this.env.pos.get_order();
for (var id in this.splitlines) {
var split = this.splitlines[id];
var line = this.currentOrder.get_orderline(parseInt(id));
if(!this.props.disallow) {
line.set_quantity(
line.get_quantity() - split.quantity,
'do not recompute unit price'
);
if (Math.abs(line.get_quantity()) < 0.00001) {
this.currentOrder.remove_orderline(line);
}
} else {
if(split.quantity) {
let decreaseLine = line.clone();
decreaseLine.order = order;
decreaseLine.noDecrease = true;
decreaseLine.set_quantity(-split.quantity);
order.add_orderline(decreaseLine);
}
}
}
}
_resetState() {
if (this._isFinal) return;
for (let id in this.splitlines) {
delete this.splitlines[id];
}
for (let line of this.currentOrder.get_orderlines()) {
this.splitlines[line.id] = { quantity: 0 };
}
this.newOrder.orderlines.reset();
}
}
SplitBillScreen.template = 'SplitBillScreen';
Registries.Component.add(SplitBillScreen);
return SplitBillScreen;
});
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