First commit / commit pertama

2026-06-13 11:24:58 +07:00
commit 522c4f7200
166 changed files with 13326 additions and 0 deletions
@@ -0,0 +1,51 @@
+<?php
+/**
+ * api/proximity.php — Jarak warga ke fasilitas publik terdekat (KF-21).
+ * GET ?radius=METER (default 1000) [&jenis=sekolah|puskesmas|pasar|...]
+ * Mengembalikan GeoJSON warga + fasilitas terdekat + jarak + flag terisolasi.
+ */
+require_once __DIR__ . '/../config/db.php';
+require_once __DIR__ . '/helpers.php';
+
+$pdo = Database::getConnection();
+requireApiAnyRole(['operator', 'pimpinan']);
+if ($_SERVER['REQUEST_METHOD'] !== 'GET') sendError('Method not allowed', 405);
+
+$radius = (float)($_GET['radius'] ?? 1000);
+$jenis  = $_GET['jenis'] ?? '';
+$jenisFilter = $jenis !== '' ? "WHERE fp.jenis = " . $pdo->quote($jenis) : "";
+
+$sql = "
+    SELECT w.id, w.nama_kk, ST_AsGeoJSON(w.geom) AS geojson,
+        (SELECT ST_Distance_Sphere(w.geom, fp.geom) FROM fasilitas_publik fp $jenisFilter
+          ORDER BY ST_Distance_Sphere(w.geom, fp.geom) LIMIT 1) AS jarak_m,
+        (SELECT fp.nama FROM fasilitas_publik fp $jenisFilter
+          ORDER BY ST_Distance_Sphere(w.geom, fp.geom) LIMIT 1) AS fasilitas,
+        (SELECT fp.jenis FROM fasilitas_publik fp $jenisFilter
+          ORDER BY ST_Distance_Sphere(w.geom, fp.geom) LIMIT 1) AS fasilitas_jenis
+    FROM warga_miskin w
+    ORDER BY jarak_m DESC
+";
+$stmt = $pdo->query($sql);
+
+$features = [];
+$terisolasi = 0;
+while ($r = $stmt->fetch()) {
+    $jarak = $r['jarak_m'] !== null ? round((float)$r['jarak_m']) : null;
+    $iso = ($jarak !== null && $jarak > $radius);
+    if ($iso) $terisolasi++;
+    $features[] = [
+        'type' => 'Feature',
+        'geometry' => json_decode($r['geojson']),
+        'properties' => [
+            'id' => (int)$r['id'], 'nama_kk' => $r['nama_kk'],
+            'jarak_m' => $jarak, 'jarak_km' => $jarak !== null ? round($jarak / 1000, 2) : null,
+            'fasilitas' => $r['fasilitas'], 'fasilitas_jenis' => $r['fasilitas_jenis'],
+            'terisolasi' => $iso,
+        ],
+    ];
+}
+sendSuccess([
+    'type' => 'FeatureCollection', 'features' => $features,
+    'radius_m' => $radius, 'jumlah_terisolasi' => $terisolasi, 'total' => count($features),
+], 'Proximity Analysis');