fananazril
129 lines
3.8 KiB
PHP
129 lines
3.8 KiB
PHP
<?php
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// ================================================================
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// Helper Functions
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// ================================================================
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require_once __DIR__ . '/../config/database.php';
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/**
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* JSON response helper
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*/
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function jsonResponse(array $data, int $code = 200): void {
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http_response_code($code);
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header('Content-Type: application/json; charset=utf-8');
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header('Access-Control-Allow-Origin: *');
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echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
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exit;
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}
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/**
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* Haversine formula: jarak antara dua koordinat (meter)
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*/
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function haversineDistance(float $lat1, float $lng1, float $lat2, float $lng2): float {
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$R = 6371000; // radius bumi meter
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$dLat = deg2rad($lat2 - $lat1);
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$dLng = deg2rad($lng2 - $lng1);
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$a = sin($dLat / 2) * sin($dLat / 2)
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+ cos(deg2rad($lat1)) * cos(deg2rad($lat2))
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* sin($dLng / 2) * sin($dLng / 2);
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$c = 2 * atan2(sqrt($a), sqrt(1 - $a));
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return $R * $c;
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}
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/**
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* Cari rumah ibadah terdekat dari koordinat
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*/
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function findNearestIbadah(float $lat, float $lng): ?array {
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$db = getDB();
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$rows = $db->query("SELECT id, nama, jenis, lat, lng, radius FROM rumah_ibadah")->fetchAll();
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$best = null;
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$minDist = PHP_FLOAT_MAX;
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foreach ($rows as $row) {
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$dist = haversineDistance($lat, $lng, (float)$row['lat'], (float)$row['lng']);
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if ($dist <= (float)$row['radius'] && $dist < $minDist) {
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$minDist = $dist;
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$best = array_merge($row, ['jarak' => round($dist, 2)]);
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}
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}
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// Jika tidak ada dalam radius, cari yang paling dekat saja
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if ($best === null && !empty($rows)) {
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foreach ($rows as $row) {
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$dist = haversineDistance($lat, $lng, (float)$row['lat'], (float)$row['lng']);
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if ($dist < $minDist) {
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$minDist = $dist;
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$best = array_merge($row, ['jarak' => round($dist, 2), 'di_luar_radius' => true]);
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}
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}
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}
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return $best;
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}
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/**
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* Sanitize string input
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*/
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function sanitize(string $val): string {
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return trim(htmlspecialchars($val, ENT_QUOTES, 'UTF-8'));
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}
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/**
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* Format radius display
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*/
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function formatRadius(int $meter): string {
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return $meter >= 1000 ? number_format($meter / 1000, 1) . ' km' : $meter . ' m';
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}
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/**
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* Format tanggal Indonesia
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*/
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function formatTanggal(?string $date): string {
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if (!$date) return '-';
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$ts = strtotime($date);
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$bulan = ['','Jan','Feb','Mar','Apr','Mei','Jun','Jul','Agt','Sep','Okt','Nov','Des'];
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return date('d', $ts) . ' ' . $bulan[(int)date('n', $ts)] . ' ' . date('Y', $ts);
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}
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/**
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* Handle file upload
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*/
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function handleUpload(array $file, string $prefix = 'bukti'): ?string {
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if ($file['error'] !== UPLOAD_ERR_OK) return null;
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if ($file['size'] > UPLOAD_MAX_SIZE) return null;
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$ext = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
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if (!in_array($ext, UPLOAD_ALLOWED)) return null;
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if (!is_dir(UPLOAD_DIR)) mkdir(UPLOAD_DIR, 0755, true);
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$filename = $prefix . '_' . date('Ymd_His') . '_' . uniqid() . '.' . $ext;
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$dest = UPLOAD_DIR . $filename;
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if (move_uploaded_file($file['tmp_name'], $dest)) return $filename;
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return null;
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}
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/**
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* Emoji dan label untuk jenis ibadah
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*/
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function ibadahEmoji(string $jenis): string {
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$map = [
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'Masjid' => '🕌',
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'Musholla' => '🕌',
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'Gereja' => '⛪',
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'Katolik' => '⛪',
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'Pura' => '🛕',
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'Vihara' => '🛕',
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'Klenteng' => '⛩️',
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'Lainnya' => '🙏',
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];
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return $map[$jenis] ?? '🏛️';
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}
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/**
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* Color untuk marker berdasarkan status
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*/
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function statusColor(string $status): string {
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return match($status) {
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'sudah' => '#22c55e',
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'menunggu' => '#f59e0b',
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default => '#ef4444',
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};
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}
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