Merchant Account Balance API

api/MerchantBalance.php

+<?php
+require_once __DIR__."/../system/lib/config.php";
+
+class MerchantBalance extends System {
+    
+    /**
+     *
+     * integrator's input
+     * @var string
+     */
+    private $pnum;
+    
+    /**
+     * 
+     * integrator's input
+     * @var string
+     */
+    private $password;
+    
+    /**
+     * 
+     * auto
+     * @var string
+     */
+    private $requestMethod;
+    
+    /**
+     * 
+     * auto
+     * @var string
+     */
+    private $userAccount;
+    
+    /**
+     * 
+     * auto
+     * @var string
+     */
+    private $remoteAddress;
+    
+    public function __construct(){
+        parent::__construct();      
+        $this -> setParameter();
+        $this -> validation();
+    }
+    
+    /**
+     * 
+     * initializing user inputs and automated values to properties indicated within the function
+     */
+    private function setParameter(){
+        header("Content-type: text/json");
+        
+        $this -> pnum           = $this -> getColumnData($_SERVER, "HTTP_PROGRAM_CODE");
+        $this -> password       = $this -> getColumnData($_SERVER, "HTTP_SECRET_KEY");
+        $this -> requestMethod  = $this -> getColumnData($_SERVER, "REQUEST_METHOD");
+        $this -> remoteAddress  = $this -> getColumnData($_SERVER, "REMOTE_ADDR");
+    }
+    
+    /**
+     * 
+     * process validations to whatever the integrator has passed to the headers
+     */
+    private function validation(){        
+        $invalid = [];
+        
+        if($this -> requestMethod == "POST"){
+            $macc = $this -> getAPISignatureCommon($this -> pnum);
+            
+            if($this -> isLoopData($macc)){
+                $this -> credentialCheck($macc, $invalid);
+            }else
+                $invalid[] = "Account doesn't exist: {{$this -> userAccount}}";
+        }else
+            $invalid[] = "Invalid Request Method: {{$this -> requestMethod}}";
+        
+        if($this -> isLoopData($invalid)){
+            header("HTTP/1.1 403 Forbidden due to validation results");
+            $remarks = print_r($invalid, true);
+            $remarks = print_r(apache_request_headers(), true)."\n\n{$remarks}";
+            $this -> logDetails($remarks);
+            die(print_r($invalid, true));
+        }
+    }
+    
+    /**
+     * 
+     * @param array $macc
+     * @param array $invalid
+     */
+    private function credentialCheck($macc, &$invalid){
+        $macc = $this -> getRowData($macc);
+        
+        $registPassword = $this -> getColumnData($macc, COLUMN_PASSWORD);
+        
+        if($this -> password == $registPassword){
+            $wIpAddresses = $this -> getColumnData($macc, COLUMN_IP_ADDRESS);
+            $wIpAddresses = explode(DELIMIT_COMMA, $wIpAddresses);
+            
+            if(in_array($this -> remoteAddress, $wIpAddresses)){
+                $this -> userAccount = $this -> getAccountCommon($this -> getColumnData($macc, COLUMN_USER_ACCOUNT));
+                
+                if($this -> isLoopData($this -> userAccount)){
+                    $this -> userAccount = $this -> getRowData($this -> userAccount);
+                }else
+                    $invalid[] = "Account for pnum {$this -> pnum} doesn't exist.";
+            }else
+                $invalid[] = "Invalid IP Address";
+        }else
+            $invalid[] = "Incorrect Password";
+    }
+    
+    /**
+     *
+     * @param string $content
+     */
+    private function logDetails($content){
+        $timestamp = date("Y-m-d H:i:s");
+        
+        $logDir = SITE_ROOT."api/Logs/settlement/checkbal";
+        
+        if(!@file_exists($logDir))
+            mkdir($logDir, 0777, true);
+            
+        $logFile = "{$logDir}/Log_".date("Y-m-d").".log";
+        error_log("[{$timestamp}]\n\n{$content}\n\n", VAL_INT_3, $logFile);
+    }
+    
+    /**
+     * 
+     * main method
+     */
+    public function listen(){
+        $accNum = $this -> getColumnData($this -> userAccount, COLUMN_USER_ACCOUNT);
+        $balances = $this -> accessSelect('SELECT_USER_BALANCES', [$accNum]);
+        
+        foreach($balances as &$balance){
+            unset($balance[COLUMN_USER_ACCOUNT]);
+            
+            $balance[COLUMN_BALANCE] = $this -> intToCurrency(
+                $balance[COLUMN_BALANCE], 
+                $balance[COLUMN_CURRENCY]);
+        }
+        
+        echo json_encode($balances);
+        
+        $this -> logDetails(print_r(apache_request_headers(), true)."\n\nChecked Balance");
+    }
+}
+
+$bal = new MerchantBalance();
+$bal -> listen();
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