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154
api-wiaas/server/components/v2/financing/InterestRate.php
Normal file
154
api-wiaas/server/components/v2/financing/InterestRate.php
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<?php
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class InterestRate{
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const SYSTEM_FINANCING_RATE_ID = 1;
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/**
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* get interest rate
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* @return HashArray interest rate value
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*/
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public function getInterestRate(){
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global $database;
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$data = [];
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$sql = "SELECT
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f.interestRate
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FROM ".TABLES['financing']." f
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WHERE f.id=".self::SYSTEM_FINANCING_RATE_ID;
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$query = $database->query($sql);
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$row = $database->fetchArray($query);
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$data['interestRate'] = isset($row['interestRate']) ? $row['interestRate'] : 0;
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return $data;
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}
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/**
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* get interest rate for each customer
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* @return HashArray interest rate value for every customer in the system
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*/
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public function getInterestRateForCustomers(){
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global $database;
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$data = [];
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$interestRate = $this->getInterestRate()['interestRate'];
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$sql = "SELECT
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rcd.discount,
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rcd.idCustomer
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FROM
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".TABLES['rel_customer_discount']." rcd";
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$query = $database->query($sql);
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while($row = $database->fetchArray($query)) {
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$data[$row['idCustomer']] = $interestRate - $row['discount'];
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}
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return $data;
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}
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/**
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* save interest rate
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* @param Float $interestRateValue interest rate value
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* @return Array update message
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*/
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public function saveInterestRate($interestRate){
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global $database;
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$interestRate = $database->escapeValue($interestRate);
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$data = [];
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if(!$interestRate){
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$data['messages'][] = [
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'code' => 'error',
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'message' => 'NO_INTEREST_RATE'
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];
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return $data;
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}
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$checkMessage = $database->invalidNumber('interestRate', $interestRate, 0, 100);
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if($checkMessage){
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$data['messages'][] = $checkMessage;
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}
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$sql = "UPDATE ".TABLES['financing']."
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SET interestRate = $interestRate
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WHERE id=".self::SYSTEM_FINANCING_RATE_ID;
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$query = $database->query($sql);
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$data['messages'][] = [
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'code' => 'success',
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'message' => 'INTEREST_RATE_UPDATED'
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];
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return $data;
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}
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/**
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* get customers discounts
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* @return HashArray interest rate value
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*/
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public function getCustomersAndDiscount() {
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global $database;
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$data = $this->getInterestRate();
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$sql = "SELECT
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c.id AS idCustomer,
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c.name,
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IFNULL(rcd.discount, 0) AS discount
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FROM
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".TABLES['customers']." c
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LEFT JOIN ".TABLES['rel_customer_discount']." rcd
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ON c.id = rcd.idCustomer";
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$data['customers'] = $database->fetchResultArray($sql);
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return $data;
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}
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/**
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* save discount for customer - financing
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* @param Array $details id of the customer and the discount applied for each
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* @return Array update message
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*/
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public function saveCustomersDiscount($details) {
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global $database;
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$interestRate = $this->getInterestRate()['interestRate'];
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$insertValues = '';
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$affectedRows = 0;
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$data = [];
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if(!count($details)) {
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$data['messages'][] = [
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'code' => 'error',
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'message' => 'CUSTOMERS_DISCOUNT_EMPTY'
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];
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return $data;
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}
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foreach($details as $customerDiscounts) {
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$discount = floatval($customerDiscounts['discount']);
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if($discount > $interestRate || $discount < 0) {
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$data['messages'][] = [
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'code' => 'warning',
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'message' => 'DISCOUNT_NOT_VALID',
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'key' => $customerDiscounts['name']
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];
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} else {
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$sql = "INSERT INTO ".TABLES['rel_customer_discount']."
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(idCustomer, discount)
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VALUES (".$customerDiscounts['idCustomer'].", '$discount')
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ON DUPLICATE KEY
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UPDATE
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discount = '$discount'";
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$row = $database->query($sql);
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$affectedRows += $database->affectedRows();
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}
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}
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if($affectedRows) {
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$data['messages'][] = [
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'code' => 'success',
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'message' => 'DISCOUNT_UPDATED'
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];
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}
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return $data;
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}
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}
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