Files
tinker_tickets/api/check_duplicates.php
Jared Vititoe 7575d6a277 Add performance, security, and reliability improvements
- Consolidate all 20 API files to use centralized Database helper
- Add optimistic locking to ticket updates to prevent concurrent conflicts
- Add caching to StatsModel (60s TTL) for dashboard performance
- Add health check endpoint (api/health.php) for monitoring
- Improve rate limit cleanup with cron script and efficient DirectoryIterator
- Enable rate limit response headers (X-RateLimit-*)
- Add audit logging for workflow transitions
- Log Discord webhook failures instead of silencing
- Fix visibility check on export_tickets.php
- Add database migration system with performance indexes
- Fix cron recurring tickets to use assignTicket method

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-30 14:39:13 -05:00

108 lines
2.9 KiB
PHP

<?php
/**
* Check for duplicate tickets API
*
* Searches for tickets with similar titles using LIKE and SOUNDEX
*/
// Apply rate limiting
require_once dirname(__DIR__) . '/middleware/RateLimitMiddleware.php';
RateLimitMiddleware::apply('api');
session_start();
require_once dirname(__DIR__) . '/config/config.php';
require_once dirname(__DIR__) . '/helpers/Database.php';
require_once dirname(__DIR__) . '/helpers/ResponseHelper.php';
header('Content-Type: application/json');
// Check authentication
if (!isset($_SESSION['user']) || !isset($_SESSION['user']['user_id'])) {
ResponseHelper::unauthorized();
}
// Only accept GET requests
if ($_SERVER['REQUEST_METHOD'] !== 'GET') {
ResponseHelper::error('Method not allowed', 405);
}
// Get title parameter
$title = isset($_GET['title']) ? trim($_GET['title']) : '';
if (strlen($title) < 5) {
ResponseHelper::success(['duplicates' => []]);
}
// Use centralized database connection
$conn = Database::getConnection();
// Search for similar titles
// Use both LIKE for substring matching and SOUNDEX for phonetic matching
$duplicates = [];
// Prepare search term for LIKE
$searchTerm = '%' . $conn->real_escape_string($title) . '%';
// Get SOUNDEX of title
$soundexTitle = soundex($title);
// First, search for exact substring matches (case-insensitive)
$sql = "SELECT ticket_id, title, status, priority, created_at
FROM tickets
WHERE (
title LIKE ?
OR SOUNDEX(title) = ?
)
AND status != 'Closed'
ORDER BY created_at DESC
LIMIT 10";
$stmt = $conn->prepare($sql);
$stmt->bind_param("ss", $searchTerm, $soundexTitle);
$stmt->execute();
$result = $stmt->get_result();
while ($row = $result->fetch_assoc()) {
// Calculate similarity score
$similarity = 0;
// Check for exact substring match
if (stripos($row['title'], $title) !== false) {
$similarity = 90;
}
// Check SOUNDEX match
elseif (soundex($row['title']) === $soundexTitle) {
$similarity = 70;
}
// Check word overlap
else {
$titleWords = array_map('strtolower', preg_split('/\s+/', $title));
$rowWords = array_map('strtolower', preg_split('/\s+/', $row['title']));
$matchingWords = array_intersect($titleWords, $rowWords);
$similarity = (count($matchingWords) / max(count($titleWords), 1)) * 60;
}
if ($similarity >= 30) {
$duplicates[] = [
'ticket_id' => $row['ticket_id'],
'title' => $row['title'],
'status' => $row['status'],
'priority' => $row['priority'],
'created_at' => $row['created_at'],
'similarity' => round($similarity)
];
}
}
$stmt->close();
// Sort by similarity descending
usort($duplicates, function($a, $b) {
return $b['similarity'] - $a['similarity'];
});
// Limit to top 5
$duplicates = array_slice($duplicates, 0, 5);
ResponseHelper::success(['duplicates' => $duplicates]);