First Commit

pp-integration/helper.php

@@ -0,0 +1,107 @@
+<?php
+$ValidAccess = 2010;
+
+require_once("../include/globals.php");
+if(session_status() !== PHP_SESSION_ACTIVE) session_start();
+
+if (SessionActive() != 1 || ! UserLoggedIn()) {
+   header("Location: {$FormTarget}");
+   exit();
+}
+
+
+$AllowedUserTypes = array('SuperUser','System Administrator');
+if (checkPermission($AllowedUserTypes) != 1) {
+   $error_message = getLanguageText('ERRORMSG-ACCESS-DENIED');
+   $naction = '';
+   header("Location: {$FormTarget}?action=$action&naction=$naction$headerArgs&form_message=" . urlencode($form_message) . "&error_message=" . urlencode($error_message));
+   exit();
+}
+
+
+/**
+ * Simple helper to get merchant IDs for schools from database
+ */
+
+function getDbConnection() {
+    $dbConfig = require __DIR__ . '/db_config.php';
+    $conn = new mysqli(
+        $dbConfig['host'],
+        $dbConfig['username'],
+        $dbConfig['password'],
+        $dbConfig['database']
+    );
+    
+    if ($conn->connect_error) {
+        return null;
+    }
+    
+    $conn->set_charset($dbConfig['charset']);
+    return $conn;
+}
+
+function getMerchantId(string $schoolName): ?string
+{
+    $db = getDbConnection();
+    if (!$db) {
+        // Fallback to JSON file
+        $file = __DIR__ . '/data/school_merchants.json';
+        if (!file_exists($file)) return null;
+        $merchants = json_decode(file_get_contents($file), true) ?: [];
+        return $merchants[$schoolName]['merchant_id'] ?? null;
+    }
+    
+    $stmt = $db->prepare("SELECT paypal_merchant_id FROM schools WHERE school_name = ? AND paypal_merchant_id IS NOT NULL");
+    $stmt->bind_param('s', $schoolName);
+    $stmt->execute();
+    $result = $stmt->get_result();
+    $row = $result->fetch_assoc();
+    $stmt->close();
+    $db->close();
+    
+    return $row['paypal_merchant_id'] ?? null;
+}
+
+function getAllMerchants(): array
+{
+    $db = getDbConnection();
+    if (!$db) {
+        // Fallback to JSON file
+        $file = __DIR__ . '/data/school_merchants.json';
+        if (!file_exists($file)) return [];
+        return json_decode(file_get_contents($file), true) ?: [];
+    }
+    
+    $result = $db->query("SELECT school_name, paypal_merchant_id, paypal_connected_at FROM schools WHERE paypal_merchant_id IS NOT NULL");
+    $merchants = [];
+    
+    while ($row = $result->fetch_assoc()) {
+        $merchants[$row['school_name']] = [
+            'merchant_id' => $row['paypal_merchant_id'],
+            'connected_at' => strtotime($row['paypal_connected_at'])
+        ];
+    }
+    
+    $db->close();
+    return $merchants;
+}
+
+// Return JSON when accessed directly
+writeLog(basename(__FILE__));
+writeLog(basename($_SERVER['SCRIPT_FILENAME']));
+
+if (basename(__FILE__) === basename($_SERVER['SCRIPT_FILENAME'])) {
+    header('Content-Type: application/json');
+    
+    $school = $_GET['school'] ?? '';
+    writeLog($school);
+    
+    if ($school) {
+        echo json_encode([
+            'school' => $school,
+            'merchant_id' => getMerchantId($school)
+        ]);
+    } else {
+        echo json_encode(['merchants' => getAllMerchants()]);
+    }
+}