UAS SIG Proyek WebGis

2026-06-10 21:46:56 +07:00
commit df18a7a99a
35 changed files with 8977 additions and 0 deletions
@@ -0,0 +1,144 @@
+<?php
+// includes/config.php  v2.0
+// ============================================================
+// Konfigurasi Database & Konstanta Aplikasi
+// ============================================================
+
+// ── Database ──────────────────────────────────────────────
+define('DB_HOST',    'localhost');
+define('DB_USER',    'root');
+define('DB_PASS',    '');
+define('DB_NAME',    'sig_kemiskinan');
+define('DB_CHARSET', 'utf8mb4');
+
+// ── Aplikasi ──────────────────────────────────────────────
+define('APP_NAME',   'SIG Kemiskinan v2.0');
+define('NOMINATIM_URL', 'https://nominatim.openstreetmap.org');
+
+// ── Upload Foto ────────────────────────────────────────────
+define('UPLOAD_DIR',      __DIR__ . '/../assets/img/uploads/');
+define('UPLOAD_URL',      'assets/img/uploads/');
+define('MAX_FOTO_SIZE',   5 * 1024 * 1024);   // 5 MB
+define('ALLOWED_EXT',     ['jpg','jpeg','png','webp']);
+
+// ── Threshold Kategori Kemiskinan (Rp/bulan) ──────────────
+// Disesuaikan dengan standar BPS & UMR Kalimantan Barat 2024
+define('BATAS_SANGAT_MISKIN', 1500000);   // < 1.5jt  → sangat_miskin
+define('BATAS_MISKIN',        3000000);   // < 3jt    → miskin
+define('BATAS_HAMPIR_MISKIN', 5000000);   // < 5jt    → hampir_miskin
+                                          // >= 5jt   → mampu
+// ── Notifikasi ────────────────────────────────────────────
+define('DATA_USANG_HARI', 30);   // data > 30 hari belum update = notif usang
+
+// ============================================================
+// FUNGSI: Koneksi Database (Singleton PDO)
+// ============================================================
+function getDB(): PDO {
+    static $pdo = null;
+    if ($pdo === null) {
+        $dsn = "mysql:host=" . DB_HOST . ";dbname=" . DB_NAME . ";charset=" . DB_CHARSET;
+        $options = [
+            PDO::ATTR_ERRMODE            => PDO::ERRMODE_EXCEPTION,
+            PDO::ATTR_DEFAULT_FETCH_MODE => PDO::FETCH_ASSOC,
+            PDO::ATTR_EMULATE_PREPARES   => false,
+        ];
+        try {
+            $pdo = new PDO($dsn, DB_USER, DB_PASS, $options);
+        } catch (PDOException $e) {
+            http_response_code(500);
+            die(json_encode(['success' => false, 'error' => 'Database connection failed: ' . $e->getMessage()]));
+        }
+    }
+    return $pdo;
+}
+
+// ============================================================
+// FUNGSI: Response JSON
+// ============================================================
+function jsonResponse(mixed $data, int $code = 200): void {
+    http_response_code($code);
+    header('Content-Type: application/json; charset=utf-8');
+    header('Access-Control-Allow-Origin: *');
+    header('Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS');
+    header('Access-Control-Allow-Headers: Content-Type, Authorization');
+    echo json_encode($data, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
+    exit;
+}
+
+// ============================================================
+// FUNGSI: Baca Input (JSON body atau $_POST)
+// ============================================================
+function getInput(): array {
+    $raw  = file_get_contents('php://input');
+    $data = json_decode($raw, true);
+    if (json_last_error() !== JSON_ERROR_NONE) {
+        $data = $_POST;
+    }
+    return $data ?? [];
+}
+
+// ============================================================
+// FUNGSI: Hitung Jarak Haversine (meter)
+// ============================================================
+function haversine(float $lat1, float $lng1, float $lat2, float $lng2): float {
+    $R    = 6371000;
+    $dLat = deg2rad($lat2 - $lat1);
+    $dLng = deg2rad($lng2 - $lng1);
+    $a    = sin($dLat/2)**2 + cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * sin($dLng/2)**2;
+    return $R * 2 * atan2(sqrt($a), sqrt(1 - $a));
+}
+
+// ============================================================
+// FUNGSI: Hitung Kategori Kemiskinan Otomatis
+// ============================================================
+function hitungKategori(?float $penghasilan): string {
+    if ($penghasilan === null || $penghasilan < BATAS_SANGAT_MISKIN) return 'sangat_miskin';
+    if ($penghasilan < BATAS_MISKIN) return 'miskin';
+    if ($penghasilan < BATAS_HAMPIR_MISKIN) return 'hampir_miskin';
+    return 'mampu';
+}
+
+// ============================================================
+// FUNGSI: Assign Rumah Ibadah (kompatibel v1.1)
+// ============================================================
+function assignRumahIbadah(int $pendudukId): void {
+    try {
+        $db  = getDB();
+        $p   = $db->prepare("SELECT lat, lng FROM penduduk_miskin WHERE id = ?");
+        $p->execute([$pendudukId]);
+        $row = $p->fetch();
+        if (!$row) return;
+
+        $ibadahList  = $db->query("SELECT id, lat, lng, radius FROM rumah_ibadah")->fetchAll();
+        $closest     = null;
+        $closestDist = PHP_FLOAT_MAX;
+
+        foreach ($ibadahList as $ri) {
+            $dist = haversine((float)$row['lat'], (float)$row['lng'], (float)$ri['lat'], (float)$ri['lng']);
+            if ($dist <= $ri['radius'] && $dist < $closestDist) {
+                $closest     = $ri['id'];
+                $closestDist = $dist;
+            }
+        }
+
+        $db->prepare("UPDATE penduduk_miskin SET rumah_ibadah_id = ?, jarak_ke_ibadah = ? WHERE id = ?")
+           ->execute([$closest, $closest ? round($closestDist, 2) : null, $pendudukId]);
+    } catch (\Exception $e) { /* abaikan error assign ibadah */ }
+}
+
+function reassignAll(): void {
+    $db  = getDB();
+    $all = $db->query("SELECT id FROM penduduk_miskin")->fetchAll();
+    foreach ($all as $row) assignRumahIbadah((int)$row['id']);
+}
+
+// ============================================================
+// FUNGSI: Catat Riwayat Verifikasi
+// ============================================================
+function catatRiwayat(int $pendudukId, int $userId, string $aksi, ?string $catatan = null, ?array $dataLama = null): void {
+    $db = getDB();
+    $db->prepare("
+        INSERT INTO riwayat_verifikasi (penduduk_id, user_id, aksi, catatan, data_lama)
+        VALUES (?, ?, ?, ?, ?)
+    ")->execute([$pendudukId, $userId, $aksi, $catatan, $dataLama ? json_encode($dataLama, JSON_UNESCAPED_UNICODE) : null]);
+}