Abimanyu Ridho
221 lines
9.6 KiB
PHP
221 lines
9.6 KiB
PHP
<?php
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// api/penduduk_miskin.php
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require_once dirname(__DIR__, 2) . '/database.php';
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require_once __DIR__ . '/helpers/response.php';
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setCORSHeaders();
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$db = getDB();
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$method = getMethod();
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requireWriteAuth($method);
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$id = isset($_GET['id']) ? (int)$_GET['id'] : 0;
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// Endpoint khusus: recalc proximity semua penduduk miskin sekaligus
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if ($method === 'POST' && isset($_GET['action']) && $_GET['action'] === 'recalc_all') {
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requireWriteAuth('POST');
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$allPm = $db->query("SELECT id, latitude, longitude FROM penduduk_miskin");
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$updated = 0;
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while ($pm = $allPm->fetch_assoc()) {
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$prox = hitungProximity($db, (float)$pm['latitude'], (float)$pm['longitude']);
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$statusP = $prox['status'];
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$riId = $prox['rumah_ibadah_id'];
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$stmt = $db->prepare(
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"UPDATE penduduk_miskin SET status_proximity=?, rumah_ibadah_id=? WHERE id=?"
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);
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$stmt->bind_param('sii', $statusP, $riId, $pm['id']);
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$stmt->execute();
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$updated++;
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}
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sendSuccess(['updated' => $updated], "Proximity $updated data diperbarui");
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}
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switch ($method) {
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// ── GET ───────────────────────────────────────────────────────────
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case 'GET':
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if ($id > 0) {
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$stmt = $db->prepare(
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"SELECT pm.*,
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ri.nama AS nama_rumah_ibadah,
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ri.jenis AS jenis_rumah_ibadah
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FROM penduduk_miskin pm
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LEFT JOIN rumah_ibadah ri ON ri.id = pm.rumah_ibadah_id
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WHERE pm.id = ?"
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);
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$stmt->bind_param('i', $id);
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$stmt->execute();
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$row = $stmt->get_result()->fetch_assoc();
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if (!$row) sendError('Data tidak ditemukan', 404);
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$row['latitude'] = (float)$row['latitude'];
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$row['longitude'] = (float)$row['longitude'];
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// Ambil ringkasan log bantuan
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$stmtLog = $db->prepare(
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"SELECT tipe_bantuan, COUNT(*) AS jumlah
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FROM log_bantuan
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WHERE penduduk_miskin_id = ?
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GROUP BY tipe_bantuan"
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);
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$stmtLog->bind_param('i', $id);
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$stmtLog->execute();
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$logs = [];
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$resLog = $stmtLog->get_result();
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while ($l = $resLog->fetch_assoc()) $logs[] = $l;
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$row['ringkasan_bantuan'] = $logs;
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sendSuccess($row);
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} else {
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// GET semua + proximity recalculation cache
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$sql = "SELECT pm.id, pm.nama, pm.no_wa, pm.nik, pm.alamat,
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pm.jumlah_anggota, pm.latitude, pm.longitude,
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pm.status_proximity, pm.rumah_ibadah_id,
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ri.nama AS nama_rumah_ibadah,
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-- hitung berapa kali dapat bantuan
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(SELECT COUNT(*) FROM log_bantuan lb
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WHERE lb.penduduk_miskin_id = pm.id) AS total_bantuan,
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(SELECT COUNT(*) FROM log_bantuan lb
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WHERE lb.penduduk_miskin_id = pm.id
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AND lb.tipe_bantuan = 'Pemberdayaan') AS bantuan_pemberdayaan,
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(SELECT COUNT(*) FROM log_bantuan lb
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WHERE lb.penduduk_miskin_id = pm.id
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AND lb.tipe_bantuan = 'Konsumtif') AS bantuan_konsumtif
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FROM penduduk_miskin pm
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LEFT JOIN rumah_ibadah ri ON ri.id = pm.rumah_ibadah_id
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ORDER BY pm.created_at DESC";
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$result = $db->query($sql);
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$rows = [];
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while ($r = $result->fetch_assoc()) {
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$r['latitude'] = (float)$r['latitude'];
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$r['longitude'] = (float)$r['longitude'];
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$r['total_bantuan'] = (int)$r['total_bantuan'];
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$r['bantuan_pemberdayaan'] = (int)$r['bantuan_pemberdayaan'];
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$r['bantuan_konsumtif'] = (int)$r['bantuan_konsumtif'];
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$rows[] = $r;
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}
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sendSuccess($rows);
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}
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break;
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// ── POST ──────────────────────────────────────────────────────────
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case 'POST':
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$body = getBody();
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foreach (['nama', 'latitude', 'longitude'] as $f) {
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if (empty($body[$f]) && $body[$f] !== 0) sendError("Field '$f' wajib diisi");
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}
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// Hitung proximity ke semua rumah ibadah
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$proximity = hitungProximity($db, $body['latitude'], $body['longitude']);
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$stmt = $db->prepare(
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"INSERT INTO penduduk_miskin
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(nama, no_wa, nik, alamat, jumlah_anggota,
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latitude, longitude, status_proximity, rumah_ibadah_id)
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VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)"
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);
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$jumlah = isset($body['jumlah_anggota']) ? (int)$body['jumlah_anggota'] : 1;
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$statusP = $proximity['status'];
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$riId = $proximity['rumah_ibadah_id'];
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$stmt->bind_param(
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'ssssiddsi',
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$body['nama'], $body['no_wa'], $body['nik'],
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$body['alamat'], $jumlah,
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$body['latitude'], $body['longitude'],
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$statusP, $riId
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);
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executeOrFail($stmt, 'Gagal menyimpan data penduduk miskin');
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$newId = $db->insert_id;
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sendSuccess(
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['id' => $newId, 'proximity' => $proximity],
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'Penduduk Miskin berhasil disimpan',
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201
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);
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break;
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// ── PUT ───────────────────────────────────────────────────────────
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case 'PUT':
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if ($id <= 0) sendError('ID wajib disertakan');
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$body = getBody();
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$proximity = hitungProximity($db, $body['latitude'], $body['longitude']);
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$statusP = $proximity['status'];
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$riId = $proximity['rumah_ibadah_id'];
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$jumlah = isset($body['jumlah_anggota']) ? (int)$body['jumlah_anggota'] : 1;
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$stmt = $db->prepare(
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"UPDATE penduduk_miskin
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SET nama=?, no_wa=?, nik=?, alamat=?, jumlah_anggota=?,
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latitude=?, longitude=?, status_proximity=?, rumah_ibadah_id=?
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WHERE id=?"
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);
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$stmt->bind_param(
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'ssssiddsii',
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$body['nama'], $body['no_wa'], $body['nik'],
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$body['alamat'], $jumlah,
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$body['latitude'], $body['longitude'],
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$statusP, $riId, $id
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);
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executeOrFail($stmt, 'Gagal memperbarui data penduduk miskin');
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sendSuccess(['proximity' => $proximity], 'Data berhasil diperbarui');
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break;
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// ── DELETE ────────────────────────────────────────────────────────
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case 'DELETE':
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if ($id <= 0) sendError('ID wajib disertakan');
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$stmt = $db->prepare("DELETE FROM penduduk_miskin WHERE id=?");
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$stmt->bind_param('i', $id);
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executeOrFail($stmt, 'Gagal menghapus data penduduk miskin');
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$stmt->affected_rows > 0
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? sendSuccess(null, 'Data berhasil dihapus')
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: sendError('Data tidak ditemukan', 404);
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break;
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default:
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sendError('Method tidak diizinkan', 405);
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}
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// ─────────────────────────────────────────────────────────────────────────────
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// HELPER: Hitung proximity penduduk miskin terhadap semua rumah ibadah
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// Menggunakan Haversine formula di PHP untuk validasi server-side
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// ─────────────────────────────────────────────────────────────────────────────
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function hitungProximity(mysqli $db, float $lat, float $lng): array {
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$result = $db->query(
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"SELECT id, nama, latitude, longitude, radius_meter FROM rumah_ibadah"
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);
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$status = 'luar_radius';
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$riId = null;
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$riNama = null;
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$minDistAll = PHP_INT_MAX; // jarak ke RI terdekat (apapun statusnya)
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$minDistIn = PHP_INT_MAX; // jarak ke RI terdekat yang dalam radius
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while ($ri = $result->fetch_assoc()) {
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$dist = haversine($lat, $lng, (float)$ri['latitude'], (float)$ri['longitude']);
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// Lacak jarak terdekat secara keseluruhan (untuk field jarak_meter)
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if ($dist < $minDistAll) {
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$minDistAll = $dist;
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}
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// Cek apakah titik ini masuk dalam radius RI ini
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if ($dist <= (int)$ri['radius_meter'] && $dist < $minDistIn) {
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$minDistIn = $dist;
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$status = 'dalam_radius';
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$riId = (int)$ri['id'];
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$riNama = $ri['nama'];
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}
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}
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return [
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'status' => $status,
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'rumah_ibadah_id' => $riId,
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'nama_rumah_ibadah' => $riNama,
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'jarak_meter' => round($minDistAll, 2)
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];
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}
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function haversine(float $lat1, float $lng1, float $lat2, float $lng2): float {
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$R = 6371000; // radius bumi dalam meter
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$dLat = deg2rad($lat2 - $lat1);
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$dLng = deg2rad($lng2 - $lng1);
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$a = sin($dLat/2)**2
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+ cos(deg2rad($lat1)) * cos(deg2rad($lat2)) * sin($dLng/2)**2;
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return $R * 2 * atan2(sqrt($a), sqrt(1-$a));
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} |