chore: prepare docker webgis deployment

2026-06-11 18:14:21 +07:00
parent d2214ad9c8
commit a90748d9c1
149 changed files with 20844 additions and 5 deletions
@@ -0,0 +1,56 @@
+<?php
+// koneksi.php — Koneksi database + Haversine helper
+if (!defined('DB_HOST')) require_once __DIR__ . '/config.php';
+
+mysqli_report(MYSQLI_REPORT_OFF);
+$conn = @new mysqli(DB_HOST, DB_USER, DB_PASS, DB_NAME, DB_PORT);
+
+if ($conn->connect_error) {
+    error_log('Database connection failed: ' . $conn->connect_error);
+    http_response_code(500);
+    die(json_encode([
+        'status'  => 'error',
+        'message' => 'Koneksi database gagal. Hubungi administrator.'
+    ]));
+}
+$conn->set_charset('utf8mb4');
+
+function haversine_distance($lat1, $lon1, $lat2, $lon2) {
+    $R    = 6371000;
+    $dLat = deg2rad($lat2 - $lat1);
+    $dLon = deg2rad($lon2 - $lon1);
+    $a    = sin($dLat/2)**2 + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * sin($dLon/2)**2;
+    return $R * 2 * atan2(sqrt($a), sqrt(1 - $a));
+}
+
+// PRD-correct proximity: nearest ibadah whose radius covers the point wins;
+// among ties (equal distance), ORDER BY id ASC via strict < ensures smallest id.
+// jarak_m = distance to nearest-overall ibadah when blank spot.
+function calc_proximity(mysqli $conn, float $lat, float $lng): array {
+    $res = $conn->query(
+        "SELECT id, lat, lng, radius_m FROM rumah_ibadah WHERE deleted_at IS NULL ORDER BY id ASC"
+    );
+    $nearest_overall_dist = PHP_FLOAT_MAX;
+    $best_in_radius       = null;
+    $best_in_radius_dist  = PHP_FLOAT_MAX;
+    while ($ri = $res->fetch_assoc()) {
+        $d = haversine_distance($lat, $lng, (float)$ri['lat'], (float)$ri['lng']);
+        if ($d < $nearest_overall_dist) $nearest_overall_dist = $d;
+        if ($d <= (float)$ri['radius_m'] && $d < $best_in_radius_dist) {
+            $best_in_radius_dist = $d;
+            $best_in_radius      = $ri;
+        }
+    }
+    if ($best_in_radius) {
+        return [
+            'ibadah_id'    => (int)$best_in_radius['id'],
+            'jarak_m'      => round($best_in_radius_dist, 2),
+            'is_blank_spot' => 0,
+        ];
+    }
+    return [
+        'ibadah_id'    => null,
+        'jarak_m'      => $nearest_overall_dist < PHP_FLOAT_MAX ? round($nearest_overall_dist, 2) : null,
+        'is_blank_spot' => 1,
+    ];
+}