Your IP : 216.73.216.86
<?php namespace Sberbank\Payments;
// RbsDiscount
// ver. 1.0.6
class Discount
{
private $cashBasket = array();
private $equalPosition = -1;
private $faultPrice;
private $arrOrder = array(
'order_id' => null,
'amount' => null,
'discount' => null,
'basket' => array()
);
private $arrRecountSumm = array(
'priceAmount' => 0,
'priceDiscount' => 0,
'discount' => 0,
);
public function discoverDiscount($amount, $positions)
{
$positionsSumm = $this->transformNumber(array_sum(array_column($positions, 'itemAmount')), 0);
$discount = $this->transformNumber($positionsSumm - $amount, 0);
return $discount;
}
private function transformNumber($value, $count = 2)
{
$count = $count ? $count : 2;
return round($value, $count);
}
public function getOrder()
{
return $this->arrOrder;
}
public function getProducts()
{
return $this->cashBasket;
}
public function getBasketResult()
{
// $order;
foreach ($this->arrOrder['basket'] as $key => $item) {
$positionId = $key + 1;
$order[$key] = array(
'positionId' => $positionId,
'name' => $item['name'],
'quantity' => array(
'value' => $item['count'],
'measure' => $item['arrGate']['quantity']['measure'],
),
'itemAmount' => $this->transformNumber($item['priceDiscount'] * 100, 0),
'itemCode' => $item['id'] . "." . $positionId,
'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'] = $this->transformNumber($value);
}
public function calculateDiscount($amount, $discount)
{
$result = $this->transformNumber($discount * $amount / 100, 0);
return $result;
}
public function normalizeItems($gatePositions)
{
foreach ($gatePositions as $key => $item) {
$arrProduct = array(
'id' => $item['positionId'],
'name' => $item['name'],
'priceBase' => $item['itemPrice'],
'count' => $item['quantity']['value'],
'arrGate' => $item
);
$this->addProduct($arrProduct);
}
$this->updateOrder();
$arrResult = array();
foreach ($this->arrOrder['basket'] as $key => $item) {
$positionId = $key + 1;
$arrResult[$key] = $item['arrGate'];
$arrResult[$key]['positionId'] = $positionId;
$arrResult[$key]['itemCode'] .= "." . $positionId;
$arrResult[$key]['itemPrice'] = $this->transformNumber($item['priceBaseDiscount'], 0);
$arrResult[$key]['itemAmount'] = $this->transformNumber($item['priceDiscount'], 0);
$arrResult[$key]['quantity']['value'] = $item['count'];
if (isset($item['itemAttributes'])) {
$order[$key]['itemAttributes'] = $item['itemAttributes'];
}
}
return $arrResult;
}
public function addProduct($product)
{
$product['priceAmount'] = $product['count'] * $product['priceBase'];
$this->cashBasket[] = $product;
}
public function updateOrder()
{
$this->provideProductsToOrder();
$this->generateReceiptAmount();
$this->generatePositionsDiscount();
$this->recountReceiptAmount();
$this->finalCheck();
}
private function provideProductsToOrder()
{
$this->arrOrder['basket'] = $this->cashBasket;
}
private function generateReceiptAmount()
{
$summ = 0;
foreach ($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] = $item;
}
}
}
private function onPositionDiscountPercent($item)
{
$price = $item['priceAmount'];
return $this->transformNumber((100 / $this->arrOrder['amount'] * $price), 4);
}
private function transformBasePrice($item)
{
$result = ($this->arrOrder['discount'] * $item['percentDiscount'] / 100) / $item['count'];
$result = $this->transformNumber($item['priceBase'] - $result);
if ($result < 0) {
$result = 0;
}
return $result;
}
private function onPositionDiscount($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;
}
public function recountReceiptAmount()
{
$summ = array(
'priceAmount' => 0,
'priceDiscount' => 0,
'discount' => 0
);
foreach ($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']);
}
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->recountReceiptAmount();
$this->equalizePositionDiscount();
}
$this->recountReceiptAmount();
}
}
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 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, $indexSeparate)
{
if ($mode === 'none') {
return false;
}
$newIndex = count($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);
$separateObject = array();
$separateObject['needSumm'] = $needPositionPrice;
$separateObject['oldPositionCount'] = $this->transformNumber($originalCount / 2, 3);
$separateObject['newPositionCount'] = $this->transformNumber($originalCount - $separateObject['oldPositionCount'], 3);
for ($toIndex = 0; $toIndex < 5; $toIndex++) {
$separateObject['oldPositionCount'] = $this->transformNumber($separateObject['oldPositionCount'] - 0.001, 3);
$separateObject['newPositionCount'] = $this->transformNumber($separateObject['newPositionCount'] + 0.001, 3);
$separateObject['oldPositionPrice'] = $this->transformNumber($separateObject['oldPositionCount'] * $vishPrice);
$separateObject['newPositionPrice'] = $this->transformNumber($separateObject['newPositionCount'] * $vishPrice);
$separateObject['oldPositionVishPrice'] = $this->transformNumber($separateObject['oldPositionPrice'] / $separateObject['oldPositionCount']);
$separateObject['newPositionVishPrice'] = $this->transformNumber($separateObject['newPositionPrice'] / $separateObject['newPositionCount']);
$separateObject['recountSumm'] = $this->transformNumber($separateObject['oldPositionPrice'] + $separateObject['newPositionPrice']);
if ($separateObject['recountSumm'] == $separateObject['needSumm']) {
$success = true;
break;
}
}
if (!$success) {
$res = $this->transformNumber(($separateObject['newPositionPrice'] - ($separateObject['recountSumm'] - $separateObject['needSumm'])) / $separateObject['newPositionCount']);
$separateObject['newPositionPrice'] = $this->transformNumber($res * $separateObject['newPositionCount']);
$separateObject['recountSumm'] = $this->transformNumber($separateObject['oldPositionPrice'] + $separateObject['newPositionPrice']);
if ($separateObject['recountSumm'] === $separateObject['needSumm']) {
$success = true;
}
}
if ($success) {
$separatePosition['count'] = $separateObject['oldPositionCount'];
$separatePosition['priceBaseDiscount'] = $separateObject['oldPositionVishPrice'];
$separatePosition['priceAmount'] = $this->transformNumber($separatePosition['count'] * $separatePosition['priceBase']);
$separatePosition['priceDiscount'] = $separateObject['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'] = $separateObject['newPositionCount'];
$newPosition['priceAmount'] = $this->transformNumber($newPosition['count'] * $newPosition['priceBase']);
$newPosition['priceBaseDiscount'] = $separateObject['newPositionVishPrice'];
$newPosition['priceDiscount'] = $separateObject['newPositionPrice'];
$newPosition['discount'] = $this->transformNumber($newPosition['priceAmount'] - $newPosition['priceDiscount']);
$this->arrOrder['basket'][$newIndex] = $newPosition;
} else {
}
}
}
private function equalizePositionDiscount()
{
if ($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'];
}
}
public function getResultAmount()
{
return $this->transformNumber($this->arrRecountSumm['priceDiscount'], 0);
}
public function test($message = '')
{
echo "<pre>";
print_r($this->arrOrder);
print_r($this->arrRecountSumm);
echo "</pre>";
}
private function priceTransform()
{
$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;
}
}
}