Your IP : 216.73.216.86
<?php
class rbsDiscount {
private $cashBasket = [];
private $equalPosition = -1;
private $faultPrice;
private $arrOrder = [
'order_id' => null,
'amount' => null,
'discount' => null,
'basket' => []
];
private $arrRecountSumm = [
'priceAmount' => 0,
'priceDiscount' => 0,
'discount' => 0
];
function __construct($order) {
$this->arrOrder = $order;
}
private function priceTransform() {
$basket = $this->arrOrder['basket'];
$this->arrOrder['discount'] = $this->arrOrder['discount'] * 100;
foreach ($this->arrOrder['basket'] as $key => $item) {
$item['discount'] = $item['discount'] * 100;
$item['priceAmount'] = $item['priceAmount'] * 100;
$item['priceBase'] = $item['priceBase'] * 100;
$item['priceDiscount'] = $item['priceDiscount'] * 100;
$this->arrOrder['basket'][$key] = $item;
}
}
private function transformNumber($value, $count = 2) {
$count = $count ? $count : 2;
return round($value,$count);
}
private function transformBasePrice($item) {
$result = ($this->arrOrder['discount'] * $item['percentDiscount'] / 100) / $item['count'];
$result = $this->transformNumber( $item['priceBase'] - $result);
if($result < 0) { $result = 0; }
return $result;
}
private function onPositionDiscountPercent($item) {
$price = $item['priceAmount'];
return $this->transformNumber((100 / $this->arrOrder['amount'] * $price), 4);
}
private function onPositionDiscount($item) {
$result = $this->transformNumber( ($item['priceBase'] - $item['priceBaseDiscount']) * $item['count']);
return $result;
}
private function onPositionDiscountPrice($item) {
$result = $this->transformNumber($item['priceBaseDiscount'] * $item['count']);
if( $result < 0 ) { $result = 0; }
return $result;
}
private function findMaxCount() {
$maxValue = max(array_column( $this->arrOrder['basket'], 'count' ));
$result = array_search( $maxValue, array_column( $this->arrOrder['basket'] ,'count') );
return $result;
}
private function splitPosition($mode, $indexSeparate) {
$newIndex = count($this->arrOrder['basket']);
$separatePosition = $this->arrOrder['basket'][$indexSeparate];
if( $mode === 'onePosition' ) {
$this->arrOrder['basket'][$indexSeparate]['count'] = $this->transformNumber( $separatePosition['count'] - 1,3 );
array_push( $this->arrOrder['basket'], $separatePosition );
$this->equalPosition = $newIndex;
$this->arrOrder['basket'][$newIndex] = $separatePosition;
$this->arrOrder['basket'][$newIndex]['count'] = 1;
} else if( $mode === 'fractionPosition' ) {
$needPositionPrice = $this->transformNumber( $separatePosition['priceDiscount'] + $this->faultPrice );
$originalCount = $separatePosition['count'];
$success = false;
$vishPrice = $this->transformNumber( $needPositionPrice / $originalCount );
$separObject = [];
$separObject['needSumm'] = $needPositionPrice;
$separObject['oldPositionCount'] = $this->transformNumber($originalCount / 2, 3 );
$separObject['newPositionCount'] = $this->transformNumber($originalCount - $separObject['oldPositionCount'],3);
for ($toIndex = 0; $toIndex < 5; $toIndex++) {
$separObject['oldPositionCount'] = $this->transformNumber( $separObject['oldPositionCount'] - 0.001, 3) ;
$separObject['newPositionCount'] = $this->transformNumber( $separObject['newPositionCount'] + 0.001, 3 );
$separObject['oldPositionPrice'] = $this->transformNumber( $separObject['oldPositionCount'] * $vishPrice );
$separObject['newPositionPrice'] = $this->transformNumber( $separObject['newPositionCount'] * $vishPrice );
$separObject['oldPositionVishPrice'] = $this->transformNumber( $separObject['oldPositionPrice'] / $separObject['oldPositionCount'] );
$separObject['newPositionVishPrice'] = $this->transformNumber( $separObject['newPositionPrice'] / $separObject['newPositionCount'] );
$separObject['recountSumm'] = $this->transformNumber( $separObject['oldPositionPrice'] + $separObject['newPositionPrice']);
if($separObject['recountSumm'] == $separObject['needSumm']) {
$success = true;
break;
}
}
if( !$success ) {
$res = $this->transformNumber(($separObject['newPositionPrice'] - ($separObject['recountSumm']-$separObject['needSumm'])) / $separObject['newPositionCount']);
$separObject['newPositionPrice'] = $this->transformNumber( $res * $separObject['newPositionCount'] );
$separObject['recountSumm'] = $this->transformNumber( $separObject['oldPositionPrice']+$separObject['newPositionPrice'] );
if( $separObject['recountSumm'] === $separObject['needSumm'] ) { $success = true;}
}
if( $success ) {
$separatePosition['count'] = $separObject['oldPositionCount'];
$separatePosition['priceBaseDiscount'] = $separObject['oldPositionVishPrice'];
$separatePosition['priceAmount'] = $this->transformNumber( $separatePosition['count'] * $separatePosition['priceBase'] );
$separatePosition['priceDiscount'] = $separObject['oldPositionPrice'];
$separatePosition['discount'] = $this->transformNumber( $separatePosition['priceAmount'] - $separatePosition['priceDiscount'] );
$this->arrOrder['basket'][$indexSeparate] = $separatePosition;
array_push($this->arrOrder['basket'], $separatePosition);
$newPosition = $this->arrOrder['basket'][$newIndex];
$newPosition['count'] = $separObject['newPositionCount'];
$newPosition['priceAmount'] = $this->transformNumber( $newPosition['count'] * $newPosition['priceBase'] );
$newPosition['priceBaseDiscount'] = $separObject['newPositionVishPrice'];
$newPosition['priceDiscount'] = $separObject['newPositionPrice'];
$newPosition['discount'] = $this->transformNumber( $newPosition['priceAmount'] - $newPosition['priceDiscount'] );
$this->arrOrder['basket'][$newIndex] = $newPosition;
} else {
}
}
}
private function transformBasket() {
$onePositionFind = false;
$positionSeparateIndex = -1;
$basket = $this->arrOrder['basket'];
$transformMode = 'none';
$this->equalPosition = -1;
if( count($basket) === 0 ) { return false; }
foreach ($basket as $key => $position) {
if($position['count'] > 1) {
$positionSeparateIndex = $key;
}
if ($position['count'] == 1) {
$this->equalPosition = $key;
$onePositionFind = true;
}
}
if(!$onePositionFind && $positionSeparateIndex >= 0) {
$transformMode = 'onePosition';
} else if(!$onePositionFind) {
$positionSeparateIndex = $this->findMaxCount();
$transformMode = 'fractionPosition';
}
$this->splitPosition( $transformMode,$positionSeparateIndex );
return $transformMode;
}
private function generateRecieptAmount() {
$summ = 0;
foreach ($this->arrOrder['basket'] as $key => $item) {
$summ += $this->transformNumber($item['priceBase'] * $item['count']);
}
$this->arrOrder['amount'] = $this->transformNumber($summ);
if($this->arrOrder['amount'] < $this->arrOrder['discount']) {
$this->arrOrder['discount'] = $this->arrOrder['amount'];
}
}
private function generatePositionsDiscount() {
$difference = $this->arrOrder['amount'] - $this->arrOrder['discount'];
if( $difference > 1 ) {
foreach ($this->arrOrder['basket'] as $key => $item) {
$item['priceAmount'] = $this->transformNumber( $item['priceBase'] * $item['count'] );
$item['percentDiscount'] = $this->onPositionDiscountPercent( $item );
$item['priceBaseDiscount'] = $this->transformBasePrice( $item );
$item['discount'] = $this->onPositionDiscount( $item );
$item['priceDiscount'] = $this->onPositionDiscountPrice( $item );
$this->arrOrder['basket'][$key] = $item;
}
} else {
foreach ($this->arrOrder['basket'] as $key => $item) {
$item['priceAmount'] = $this->transformNumber( $item['priceBase'] * $item['count'] );
$item['percentDiscount'] = 0;
$item['priceBaseDiscount'] = 0;
$item['discount'] = $item['priceAmount'];
$item['priceDiscount'] = $item['priceAmount'] - $item['discount'];
$this->arrOrder['basket'][$key] = $item;
}
}
}
private function equalizePositionDiscount() {
if( $this->equalPosition < 0 ) { return false; }
$equalPosition = $this->arrOrder['basket'][$this->equalPosition];
$baseSumm = $this->arrOrder['amount'] - $this->arrOrder['discount'];
$recountSumm = $this->arrRecountSumm['priceDiscount'];
$remain = 0;
if( $baseSumm != $recountSumm ) {
$remain = $this->transformNumber($baseSumm - $recountSumm);
$this->arrOrder['basket'][$this->equalPosition]['priceBaseDiscount'] = $this->transformNumber($equalPosition['priceBaseDiscount'] + $remain);
$this->arrOrder['basket'][$this->equalPosition]['priceDiscount'] = $equalPosition['priceBaseDiscount'];
$this->arrOrder['basket'][$this->equalPosition]['discount'] = $this->transformNumber($equalPosition['discount'] - $remain);
$this->arrOrder['basket'][$this->equalPosition]['priceDiscount'] = $this->arrOrder['basket'][$this->equalPosition]['priceBaseDiscount'];
}
}
private function provideProductsToOrder() {
$this->arrOrder['basket'] = $this->cashBasket;
}
private function finalCheck() {
$baseAmount = $this->transformNumber( $this->arrOrder['amount'] - $this->arrOrder['discount'] );
$finalAmount = $this->arrRecountSumm['priceDiscount'];
$this->faultPrice = $this->transformNumber($baseAmount - $finalAmount);
if($this->faultPrice != 0) {
$transformMode = $this->transformBasket();
if( $transformMode !== 'fractionPosition' ) {
$this->generatePositionsDiscount();
$this->recountRecieptAmount();
$this->equalizePositionDiscount();
}
$this->recountRecieptAmount();
}
}
public function addProduct($product) {
$product['priceAmount'] = $product['count'] * $product['priceBase'];
$this->cashBasket[] = $product;
}
public function recountRecieptAmount() {
$summ = [
'priceAmount' => 0,
'priceDiscount' => 0,
'discount:' => 0
];
foreach ($this->arrOrder['basket'] as $key => $item) {
$summ['priceAmount'] += $item['priceAmount'];
$summ['priceDiscount'] += $item['priceBaseDiscount'] * $item['count'];
$summ['discount'] += $item['discount'];
}
$this->arrRecountSumm['priceAmount'] = $this->transformNumber( $summ['priceAmount'] );
$this->arrRecountSumm['priceDiscount'] = $this->transformNumber( $summ['priceDiscount'] );
$this->arrRecountSumm['discount'] = $this->transformNumber( $summ['discount'] );
}
public function getOrder() {
return $this->arrOrder;
}
public function getProducts() {
return $this->cashBasket;
}
public function getBasketResult() {
$order;
foreach ($this->arrOrder['basket'] as $key => $item) {
$order[$key] = [
'positionId' => $key+1,
'name' => $item['name'],
'quantity' => array(
'value' => $item['count'],
'measure' => $item['arrGate']['quantity']['measure'],
),
'itemAmount' => $this->transformNumber($item['priceDiscount'] * 100,0),
'itemCode' => $item['id'],
'itemPrice' => $this->transformNumber($item['priceBaseDiscount'] * 100,0),
'tax' => array(
'taxType' => $item['arrGate']['tax']['taxType'],
),
];
if(isset($item['itemAttributes'])) {
$order[$key]['itemAttributes'] = $item['itemAttributes'];
}
}
return $order;
}
public function getRecountSumm() {
return $this->arrRecountSumm;
}
public function setOrderDiscount($value) {
$this->arrOrder['discount'] = $value;
}
public function updateOrder() {
$this->provideProductsToOrder();
$this->generateRecieptAmount();
$this->generatePositionsDiscount();
$this->recountRecieptAmount();
$this->finalCheck();
}
public function test($message = '') {
echo "<pre>";
print_r($this->arrOrder);
print_r($this->arrRecountSumm);
echo "</pre>";
}
}
?>