Initial import: Carteasy Shop (Dev-Stand)
This commit is contained in:
Thomas Bartelt
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<?php
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/**
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* Cart Session Manager - PayPal v1 Session Fix
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*
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* Eliminates session dependency during PayPal redirects by storing
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* cart data in database with PayPal token as key.
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*
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* Compatible with existing Legacy System and future PayPal v2 integration.
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*
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* @author PFC Claude
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* @version 1.0
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* @date 2025
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*/
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class CartSessionManager {
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private $db;
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private $base_object;
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private $log_file;
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public function __construct($base_object) {
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$this->base_object = $base_object;
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$this->db = $base_object->db;
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// Dedicated PayPal log file - easier than Plesk chaos!
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$this->log_file = $_SERVER['DOCUMENT_ROOT'] . '/logs/paypal_session_fix.log';
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// Ensure log directory exists
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$log_dir = dirname($this->log_file);
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if (!file_exists($log_dir)) {
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mkdir($log_dir, 0755, true);
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}
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}
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/**
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* Store cart data in database before PayPal redirect
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*
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* @param string $session_key - PayPal token or session_id
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* @param array $cart_data - Complete cart contents
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* @param string $payment_provider - 'paypal', 'stripe', etc.
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* @return bool Success/failure
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*/
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public function storeCartSession($session_key, $cart_data, $payment_provider = 'paypal') {
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$session_key_clean = $this->db->real_escape_string($session_key);
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$cart_json = $this->db->real_escape_string(json_encode($cart_data));
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$provider_clean = $this->db->real_escape_string($payment_provider);
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$user_agent = $this->db->real_escape_string($_SERVER['HTTP_USER_AGENT'] ?? '');
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$ip_address = $this->db->real_escape_string($_SERVER['REMOTE_ADDR'] ?? '');
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$query = "
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INSERT INTO cart_sessions (
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session_key,
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cart_data,
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payment_provider,
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status,
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user_agent,
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ip_address
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) VALUES (
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'{$session_key_clean}',
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'{$cart_json}',
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'{$provider_clean}',
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'active',
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'{$user_agent}',
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'{$ip_address}'
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) ON DUPLICATE KEY UPDATE
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cart_data = VALUES(cart_data),
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updated_at = CURRENT_TIMESTAMP,
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status = 'active'
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";
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$result = $this->db->query($query);
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if ($this->db->error) {
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$this->writePayPalLog("STORE_ERROR", "Database error: " . $this->db->error);
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return false;
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}
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// Dedicated PayPal logging - no more Plesk chaos!
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$this->writePayPalLog("STORE_SUCCESS", "Cart stored for token: {$session_key}", array(
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'cart_items' => count($cart_data['shoppingcart'] ?? []),
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'order_id' => $cart_data['order_id'] ?? 'unknown'
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));
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return $result ? true : false;
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}
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/**
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* Retrieve cart data from database after PayPal return
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*
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* @param string $session_key - PayPal token or session_id
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* @return array|null Cart data or null if not found
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*/
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public function retrieveCartSession($session_key) {
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$session_key_clean = $this->db->real_escape_string($session_key);
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$query = "
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SELECT
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cart_data,
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payment_provider,
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status,
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created_at,
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updated_at
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FROM cart_sessions
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WHERE session_key = '{$session_key_clean}'
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AND expires_at > NOW()
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LIMIT 1
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";
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$result = $this->db->query($query);
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if ($this->db->error) {
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$this->writePayPalLog("RETRIEVE_ERROR", "Database error: " . $this->db->error);
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return null;
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}
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if ($result && $result->num_rows > 0) {
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$row = $result->fetch_object();
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$cart_data = json_decode($row->cart_data, true);
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// Success logging
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$this->writePayPalLog("RETRIEVE_SUCCESS", "Cart retrieved for key: {$session_key}", array(
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'cart_items' => count($cart_data['shoppingcart'] ?? []),
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'status' => $row->status
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));
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return array(
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'cart_data' => $cart_data,
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'payment_provider' => $row->payment_provider,
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'status' => $row->status,
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'created_at' => $row->created_at,
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'updated_at' => $row->updated_at
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);
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}
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$this->writePayPalLog("RETRIEVE_FAILED", "No cart found for key: {$session_key}");
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return null;
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}
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/**
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* Dedicated PayPal logging system - no more Plesk chaos!
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*
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* @param string $type - LOG_TYPE (STORE_SUCCESS, RETRIEVE_SUCCESS, ERROR, etc.)
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* @param string $message - Human readable message
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* @param array $context - Additional context data
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*/
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private function writePayPalLog($type, $message, $context = array()) {
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$timestamp = date('Y-m-d H:i:s');
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$ip = $_SERVER['REMOTE_ADDR'] ?? 'unknown';
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$user_agent = substr($_SERVER['HTTP_USER_AGENT'] ?? '', 0, 100);
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$log_entry = sprintf(
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"[%s] %s | %s | IP:%s | %s | Context:%s\n",
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$timestamp,
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$type,
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$message,
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$ip,
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$user_agent,
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json_encode($context)
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);
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// Write to dedicated PayPal log file
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file_put_contents($this->log_file, $log_entry, FILE_APPEND | LOCK_EX);
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// Also write to error_log as fallback
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error_log("PayPal Session Fix [{$type}]: {$message}");
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}
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/**
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* Update cart session status (processing, completed, abandoned)
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*
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* @param string $session_key
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* @param string $status - 'processing', 'completed', 'abandoned'
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* @return bool Success/failure
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*/
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public function updateCartStatus($session_key, $status) {
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$session_key_clean = $this->db->real_escape_string($session_key);
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$status_clean = $this->db->real_escape_string($status);
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$query = "
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UPDATE cart_sessions
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SET status = '{$status_clean}',
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updated_at = CURRENT_TIMESTAMP
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WHERE session_key = '{$session_key_clean}'
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";
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$result = $this->db->query($query);
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if ($this->db->error) {
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$this->writePayPalLog("STATUS_ERROR", "Database error: " . $this->db->error);
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return false;
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}
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$this->writePayPalLog("STATUS_UPDATE", "Updated {$session_key} to {$status}");
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return $result ? true : false;
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}
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/**
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* Clean up expired or completed cart sessions
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* Should be called via cron job
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*
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* @param int $older_than_hours - Delete sessions older than X hours
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* @return int Number of deleted records
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*/
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public function cleanupExpiredSessions($older_than_hours = 24) {
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$query = "
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DELETE FROM cart_sessions
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WHERE expires_at < NOW()
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OR (status = 'completed' AND updated_at < (NOW() - INTERVAL {$older_than_hours} HOUR))
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OR (status = 'abandoned' AND updated_at < (NOW() - INTERVAL {$older_than_hours} HOUR))
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";
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$result = $this->db->query($query);
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$deleted_count = $this->db->affected_rows;
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if ($this->db->error) {
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$this->writePayPalLog("CLEANUP_ERROR", "Database error: " . $this->db->error);
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return 0;
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}
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$this->writePayPalLog("CLEANUP_SUCCESS", "Deleted {$deleted_count} expired sessions");
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return $deleted_count;
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}
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/**
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* Debug helper - get cart session info
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*/
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public function getCartSessionInfo($session_key) {
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$session_key_clean = $this->db->real_escape_string($session_key);
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$query = "
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SELECT * FROM cart_sessions
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WHERE session_key = '{$session_key_clean}'
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LIMIT 1
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";
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$result = $this->db->query($query);
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if ($result && $result->num_rows > 0) {
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return $result->fetch_object();
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}
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return null;
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}
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}
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?>
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