JezK

Edit File: process_payment.php

<?php
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);

include 'db_connection.php';
require_once('stripe-php/init.php');
include '../membership/email.php';
include '../membership/vendor/autoload.php';

\Stripe\Stripe::setApiKey('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');

// Retrieve JSON from POST body
$jsonStr = file_get_contents('php://input');
$jsonObj = json_decode($jsonStr);

if ($jsonObj === null) {
    http_response_code(400);
    echo json_encode(['error' => 'Invalid JSON input']);
    exit;
}

// Switch-case for handling different request types
switch ($jsonObj->request_type) {
    case 'create_payment_intent':
        createPaymentIntent($jsonObj);
        break;
    case 'update_payment_intent':
        updatePaymentIntent($jsonObj);
        break;
    case 'create_customer':
        createCustomer($jsonObj);
        break;
    case 'payment_insert':
        insertPayment($jsonObj);
        break;
    default:
        http_response_code(400);
        echo json_encode(['error' => 'Invalid request type']);
}

function createPaymentIntent($data) {
    try {
        $amount = $data->event_price;
        $eventName = $data->event_name;
    	
        $itemPriceCents = round($amount * 100);
    	$description = $eventName;

$paymentIntent = \Stripe\PaymentIntent::create([
            'amount' => $itemPriceCents,
            'currency' => 'eur',
            'description' => $description,
            'payment_method_types' => ['card']
        ]);

echo json_encode([
            'id' => $paymentIntent->id,
            'clientSecret' => $paymentIntent->client_secret
        ]);
    } catch (Exception $e) {
        http_response_code(500);
        echo json_encode(['error' => $e->getMessage()]);
    }
}

function updatePaymentIntent($data) {
    try {
        $payment_intent_id = !empty($data->payment_intent_id) ? $data->payment_intent_id : '';
        $new_price = !empty($data->new_price) ? $data->new_price : '';

$payment_intent_obj = \Stripe\PaymentIntent::retrieve($payment_intent_id);
        $payment_intent_obj->amount = round($new_price * 100);
        $payment_intent_obj->save();

echo json_encode(['success' => true]);
    } catch (\Stripe\Exception\ApiErrorException $e) {
        http_response_code(500);
        echo json_encode(['error' => $e->getMessage()]);
    }
}

function createCustomer($data) {
    try {
        $payment_intent_id = !empty($data->payment_intent_id) ? $data->payment_intent_id : '';
        $email = !empty($data->email) ? $data->email : '';
		$fname = !empty($data->name) ? $data->name : '';
        // Additional metadata
        $metadata = [
            'first_name' => !empty($data->name) ? $data->name : '',
            'last_name' => !empty($data->last_name) ? $data->last_name : '',
            'position' => !empty($data->position) ? $data->position : '',
            'company_name' => !empty($data->company_name) ? $data->company_name : '',
            'city' => !empty($data->city) ? $data->city : '',
            'country' => !empty($data->country) ? $data->country : '',
            'vat_number' => !empty($data->vat_number) ? $data->vat_number : '',
            'countryCode' => !empty($data->countryCode) ? $data->countryCode : '',
            'mobile' => !empty($data->mobile) ? $data->mobile : '',
            'eventPrice' => !empty($data->eventPrice) ? $data->eventPrice : '',
            'event_title' => !empty($data->event_title) ? $data->event_title : '',
            'couponCode' => !empty($data->couponCode) ? $data->couponCode : '',
            'comments' => !empty($data->comments) ? $data->comments : '',
            'foodItemsString' => !empty($data->foodItemsString) ? json_encode($data->foodItemsString) : ''
        ];

$customer = \Stripe\Customer::create([
            'email' => $email,
        	'name' => $fname,
            'metadata' => $metadata
        ]);

if ($customer && $customer->id) {
            $paymentIntent = \Stripe\PaymentIntent::update($payment_intent_id, [
                'customer' => $customer->id
            ]);

echo json_encode([
                'id' => $payment_intent_id,
                'customer_id' => $customer->id
            ]);
        } else {
            throw new Exception('Customer ID is null after creation.');
        }
    } catch (Exception $e) {
        http_response_code(500);
        echo json_encode(['error' => $e->getMessage()]);
    }
}

function insertPayment($data) {
    global $conn;

try {
        // Extract necessary data from $data
        $payment_intent = !empty($data->payment_intent) ? $data->payment_intent : '';
        $customer_id = !empty($data->customer_id) ? $data->customer_id : '';

// Retrieve payment intent object from Stripe
        $payment_intent_obj = \Stripe\PaymentIntent::retrieve($payment_intent);

// Check if payment was successful
        if ($payment_intent_obj->status === 'succeeded') {
            // Extract metadata from customer object
            $customer = \Stripe\Customer::retrieve($customer_id);
            $metadata = $customer->metadata;

// Generate unique booking ID
            $sql = "SELECT MAX(id) AS max_id FROM payments";
            $result = $conn->query($sql);

if (!$result) {
                throw new Exception('Error retrieving max ID from payments table.');
            }

$data = $result->fetch_assoc();
            $unique_id = "REIA-B00" . ($data['max_id'] + 1);

// Check if payment ID already exists in database
            $check_payment_id = "SELECT COUNT(*) AS count FROM payments WHERE payment_intent_id = '$payment_intent'";
            $check_result = $conn->query($check_payment_id);

if (!$check_result) {
                throw new Exception('Error checking payment ID existence.');
            }

$row = $check_result->fetch_assoc();
            $row_count = $row['count'];

if ($row_count == 0) {
                // Insert payment data into database
                $date = date('Y-m-d');
                $transaction_id = $payment_intent_obj->id;
                $paid_amount = $payment_intent_obj->amount_received;
                $new_price = ($paid_amount / 100);
                $paid_currency = $payment_intent_obj->currency;

$sql = "INSERT INTO payments (booking_id, first_name, last_name, position, company_name, city, country, vat_number, email, countryCode, mobile, comments, coupon_code, transaction_id, payment_status, date, event_id, price, currency, payment_intent_id) 
                        VALUES ('$unique_id', '{$metadata['first_name']}', '{$metadata['last_name']}', '{$metadata['position']}', '{$metadata['company_name']}', '{$metadata['city']}', '{$metadata['country']}', '{$metadata['vat_number']}', '{$customer->email}', '{$metadata['countryCode']}', '{$metadata['mobile']}', '{$metadata['comments']}', '{$metadata['couponCode']}', '$transaction_id', '{$payment_intent_obj->status}', '$date', '{$metadata['event_title']}', '$new_price', '$paid_currency', '$payment_intent')";

if ($conn->query($sql) === TRUE) {
                    // Send payment confirmation emails
                    send_payment_confirmation_email($customer->email, $metadata['first_name'], $unique_id, $transaction_id, $new_price, $metadata['event_id'], $date);
                    send_payment_confirmation_client($customer->email, $metadata['first_name'], $unique_id, $transaction_id, $new_price, $metadata['event_id'], $date, $metadata['company_name'], $metadata['city'], $metadata['country'], $metadata['position'], $metadata['mobile'], $metadata['coupon_code'], $metadata['comments'], $metadata['vat_number']);
                    
                    echo json_encode(['payment_txn_id' => $transaction_id, 'booking_id' => $unique_id]);
                } else {
                    throw new Exception('Error inserting payment data into database.');
                }
            }
        } else {
            http_response_code(400);
            echo json_encode(['error' => 'Payment not succeeded']);
        }
    } catch (\Stripe\Exception\ApiErrorException $e) {
        http_response_code(500);
        echo json_encode(['error' => $e->getMessage()]);
    } catch (Exception $e) {
        http_response_code(500);
        echo json_encode(['error' => $e->getMessage()]);
    }
}
?>