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Senad Uka
323
api-wiaas/server/components/v2/prices/Prices.php
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323
api-wiaas/server/components/v2/prices/Prices.php
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<?php
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class Prices{
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/**
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* calculate total price for a product in a package
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* @param boolean $isRecurring is the price recurring
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* @param FLOAT $unitCost cost for the product
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* @param INT $payPeriod pay period in case of recurring
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* @param INT $quantity quantity of the product in the package
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* @return FLOAT total cost for a prodcut
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*/
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private function calculateTotalPrice($isRecurring, $unitCost, $payPeriod, $quantity){
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$totalUnitCost = intVal($isRecurring) === 1
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? intVal($unitCost) * intVal($payPeriod)
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: intVal($unitCost);
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$totalUnitCost *= $quantity;
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return $totalUnitCost;
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}
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/**
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* get max price for products with multiple selection
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* @param FLOAT $totalCategoryUnitCost max value for category
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* @param FLOAT $totalUnitCost cost of the product
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* @return FLOAT final cost for the product
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*/
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private function getMultiProductsTotal($totalCategoryUnitCost, $totalUnitCost){
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return $totalCategoryUnitCost < $totalUnitCost
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? $totalUnitCost
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: $totalCategoryUnitCost;
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}
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/**
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* get pacakge product prices grouped by categories
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* @param INT $idPackage id for package
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* @return Array product prices
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*/
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public function getPackageProductPrices($idPackage, $sumBy = 'category'){
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global $database;
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$sql = "SELECT scp.unitCostPrice AS unitCostPrice,
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scp.unitVatCost AS unitVatCost,
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scp.isPriceRecurring AS isPriceRecurring,
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scp.payPeriod AS payPeriod,
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pc.category AS productCategory,
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pt.type AS productType,
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rpp.quantity AS quantity
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FROM ".TABLES['suppliers_countries_products']." scp
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INNER JOIN ".TABLES['product_categories']." pc
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ON pc.id=scp.idProductCategory
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INNER JOIN ".TABLES['product_types']." pt
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ON pt.id = pc.idType
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INNER JOIN ".TABLES['rel_package_products']." rpp
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ON rpp.idProduct=scp.idProduct
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INNER JOIN
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(SELECT
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rpp_last.idPackage,
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MAX(rpp_last.packageInstance) AS maxInstance
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FROM
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".TABLES['rel_package_products']." rpp_last
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GROUP BY rpp_last.idPackage) last_instance
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ON last_instance.idPackage = rpp.idPackage
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AND last_instance.maxInstance = rpp.packageInstance
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WHERE rpp.idPackage=$idPackage";
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$query = $database->query($sql);
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$data['productsPrices'] = [];
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while($row = $database->fetchArray($query)){
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$productKey = $sumBy === 'type' ? $row['productType'] : $row['productCategory'];
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if(!isset($data['productsPrices'][$productKey])){
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$data['productsPrices'][$productKey]['totalUnitCost'] = 0;
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$data['productsPrices'][$productKey]['totalVatCost'] = 0;
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}
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unset($totalCategoryUnitCost);
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unset($totalCategoryVatCost);
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$totalCategoryUnitCost =& $data['productsPrices'][$productKey]['totalUnitCost'];
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$totalCategoryVatCost =& $data['productsPrices'][$productKey]['totalVatCost'];
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if($sumBy === 'type' && $row['productType'] === 'service') {
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$totalUnitCost = $this->calculateTotalPrice(0, $row['unitCostPrice'], $row['payPeriod'], $row['quantity']);
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$totalVatCost = $this->calculateTotalPrice(0, $row['unitVatCost'], $row['payPeriod'], $row['quantity']);
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if($row['isPriceRecurring'] == 1) {
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if(!isset($data['productsPrices'][$row['productType']]['recurringPrice'])) {
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$data['productsPrices'][$row['productType']]['recurringPrice'] = 0;
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$data['productsPrices'][$row['productType']]['recurringVatPrice'] = 0;
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}
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$data['productsPrices'][$row['productType']]['recurringPrice'] += $totalUnitCost;
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$data['productsPrices'][$row['productType']]['recurringVatPrice'] += $totalVatCost;
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} else {
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if(!isset($data['productsPrices'][$row['productType']]['recurringPrice'])) {
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$data['productsPrices'][$row['productType']]['fixedPrice'] = 0;
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$data['productsPrices'][$row['productType']]['fixedVatPrice'] = 0;
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}
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$data['productsPrices'][$row['productType']]['fixedPrice'] += $totalUnitCost;
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$data['productsPrices'][$row['productType']]['fixedVatPrice'] += $totalVatCost;
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}
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} else {
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$totalUnitCost = $this->calculateTotalPrice($row['isPriceRecurring'], $row['unitCostPrice'], $row['payPeriod'], $row['quantity']);
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$totalVatCost = $this->calculateTotalPrice($row['isPriceRecurring'], $row['unitVatCost'], $row['payPeriod'], $row['quantity']);
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}
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if($row['productType'] === 'installation'){
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$totalCategoryUnitCost = $this->getMultiProductsTotal($totalCategoryUnitCost, $totalUnitCost);
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$totalCategoryVatCost = $this->getMultiProductsTotal($totalCategoryVatCost, $totalVatCost);
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} else {
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$totalCategoryUnitCost += $totalUnitCost;
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$totalCategoryVatCost += $totalVatCost;
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}
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}
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return $data['productsPrices'];
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}
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/**
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* get commission split
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* @param INT $idPackage id for commission split
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* @return HashArray commission split percentqages
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*/
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public function getCommissionSplit($idPackage){
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global $database;
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$sql = "SELECT bcs.brokerSplit as broker,
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bcs.commercialLeadSplit as commercialLead,
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bcs.payMargin
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FROM ".TABLES['broker_commission_split']." bcs
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WHERE idPackage=$idPackage";
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$commissionSplit = $database->fetchResultArray($sql);
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return !empty($commissionSplit) ? $commissionSplit[0] : [];
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}
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/**
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* get product prices list and comissions
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* @param INT $idPackage id of the package
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* @param BOOLEAN $getOnlySelectedTpes if true will return just prices set by the broker
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* @return json list of prices and list of comission
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*/
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public function getPriceTypes($idPackage, $getOnlySelectedTpes = false){
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global $database;
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$joinType = $getOnlySelectedTpes ? "INNER JOIN" : "LEFT OUTER JOIN";
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$sql = "SELECT pt.id as idPaymentType,
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pt.payType,
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pt.packagePayPeriod,
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pt.servicesContractPeriod,
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pt.maxContractPeriod,
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pt.periodUnit,
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plb.minimalFixedPrice,
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plb.principalAmount,
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plb.minimalServicesPrice
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FROM ".TABLES['payment_types']." pt
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$joinType
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(SELECT idPaymentType,
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minimalFixedPrice,
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principalAmount,
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minimalServicesPrice
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FROM ".TABLES['price_list_broker']."
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WHERE idPackage=$idPackage) plb
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ON pt.id=plb.idPaymentType";
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$query = $database->query($sql);
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while($row = $database->fetchArray($query)){
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$row['minimalRecurentPrice'] = $row['packagePayPeriod'] > 0
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? $this->PMT($interestRateValue['interestRate'] / 100, $row['packagePayPeriod'], $row['principalAmount'])
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: 0;
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$row['minimalRecurentPrice'] = number_format($row['minimalRecurentPrice'], 2, '.', '');
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$data['priceTypes'][] = $row;
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}
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}
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/**
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* get price list for commercial leads
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* @param INT $idPackage id for packge
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* @param INT $idCommercialLead id for commrcial lead or id for user , depends on $targetIdType
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* @param String $targetIdType target for the id, userId=> id for the user, roleId => id for the role
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* @return Array commercial lead price list
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*/
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public function getCommercialLeadPrices($idPackage = 0, $idCommercialLead = 0, $targetIdType = 'userId'){
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global $database, $user;
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$idPackage = $database->escapeValue($idPackage);
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$whereSql = "";
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$clPrices = [];
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if($idPackage){
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$whereSql .= " AND plcl.idPackage=$idPackage";
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}
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if($idCommercialLead){
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$whereSql .= $targetIdType === 'userId' ? " AND cl.idUser=$idCommercialLead" : " AND cl.id=$idCommercialLead";
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}
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$sql = "SELECT
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plcl.id AS idPrice,
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plcl.idPackage,
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plcl.idPaymentType,
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pt.payType,
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IFNULL(plcl.idCustomer, 0) as idCustomer,
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plcl.fixedExtra ,
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plcl.recurentExtra,
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plcl.servicesExtra,
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plcl.visibleToCustomer,
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pt.packagePayPeriod
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FROM ".TABLES['price_list_commercial_lead']." plcl
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INNER JOIN ".TABLES['payment_types']." pt
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ON pt.id = plcl.idPaymentType
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INNER JOIN ".TABLES['commercial_leads']." cl
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ON cl.id=plcl.idCommercialLead
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WHERE 1=1 $whereSql";
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$query = $database->query($sql);
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while($row = $database->fetchArray($query)){
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$clPrices[$row['idPackage']][$row['idCustomer']][$row['idPaymentType']] = $row;
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}
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return $clPrices;
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}
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/**
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* calculate total cost for a package
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* @param HasArray $productsPrices product prices grouped by categoreis
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* @return Float total cost
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*/
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public function calculatePackageTotalCost($productsPrices){
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$total = 0;
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foreach ($productsPrices as $category) {
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$total += $category['totalUnitCost'];
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}
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return $total;
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}
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/**
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* calculate package total margin
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* @param HashArray $payType pay type hash array (minimalFixedPrice and principalAmount keys required)
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* @param Float $totalCost total cost for package
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* @return Float package margin
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*/
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private function calculateMargin($payType, $totalCost){
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$totalGain = $payType['minimalFixedPrice'] + $payType['principalAmount'];
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return $totalGain - $totalCost;
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}
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/**
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* get price margins based on comission split
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* @param HashArray $commisisonPercent commission split (commercialLead and broker keys requried)
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* @param HashArray $payType pay type hash array (required to get the margin)
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* @param Float $totalCost total cost for package
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* @return HashArray margins per user role
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*/
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public function getPriceMargins($commisisonPercent, $payType, $totalCost){
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$margin = $this->calculateMargin($payType, $totalCost);
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if($margin < 0){
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return [
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'margin' => 0,
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'clMargin' => 0,
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'brokerMargin' => 0
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];
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}else{
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return [
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'margin' => $margin,
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'clMargin' => ($margin * $commisisonPercent['commercialLead'] / 100),
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'brokerMargin' => ($margin * $commisisonPercent['broker'] / 100)
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];
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}
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}
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/**
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* Copy of Excel's PMT function.
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* Credit: http://thoughts-of-laszlo.blogspot.nl/2012/08/complete-formula-behind-excels-pmt.html
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*
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* @param double $interest The interest rate for the loan.
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* @param int $num_of_payments The total number of payments for the loan in months.
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* @param double $PV The present value, or the total amount that a series of future payments is worth now;
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* Also known as the principal.
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* @param double $FV The future value, or a cash balance you want to attain after the last payment is made.
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* If fv is omitted, it is assumed to be 0 (zero), that is, the future value of a loan is 0.
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* @param int $Type Optional, defaults to 0. The number 0 (zero) or 1 and indicates when payments are due.
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* 0 = At the end of period
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* 1 = At the beginning of the period
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*
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* @return float
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*/
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public function PMT($interest, $num_of_payments, $PV, $FV = 0.00, $Type = 0){
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/*$interest = $interest / 12;
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$xp=pow((1+$interest),$num_of_payments);
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return
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($PV* $interest*$xp/($xp-1)+$interest/($xp-1)*$FV)*
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($Type==0 ? 1 : 1/($interest+1));*/
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$rates = [
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24 => 4.282,
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30 => 3.451,
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36 => 2.896,
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42 => 2.500,
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48 => 2.223,
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54 => 2.025,
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60 => 1.834
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];
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$interest = isset($rates[$num_of_payments]) ? $rates[$num_of_payments] : 10;
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return round($PV * ($interest / 100));
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}
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/**
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* calculate fixed mortage based on principal amount
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* @param HashArray $payType pay type hash array (principalAmount and packagePayPeriod keys required)
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* @param Float $clMargin commercial lead margin
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* @param Float $interestRate interest rate percent value
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* @return Float fixed mortage formated to two decimals
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*/
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public function getRecurrentPriceMortage($payType, $clMargin, $interestRate){
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$newPrincipalAmount = $payType['principalAmount'] - $clMargin;
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$interestRate = $interestRate / 100;
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$fixedMortage = $this->PMT($interestRate, $payType['packagePayPeriod'], $newPrincipalAmount);
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return number_format($fixedMortage, 2, '.', '');
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}
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}
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