feat: Initial commit - WebGIS Smart City Project by Naufal Zaky Ramadhan (D1041231071)

2026-06-13 00:00:33 +07:00
commit 2c123f5af2
163 changed files with 13007 additions and 0 deletions
@@ -0,0 +1,71 @@
+<?php
+/**
+ * statistik.php
+ * Tanggung Jawab: Menyediakan data analisis spasial menggunakan Point in Polygon (ST_Contains).
+ * Menghitung kepadatan warga miskin dalam setiap kavling.
+ */
+
+require_once '../core_config/database.php';
+require_once '../utils/response_helper.php';
+
+$pdo = Database::getConnection();
+$method = $_SERVER['REQUEST_METHOD'];
+
+if ($method === 'GET') {
+    try {
+        // Query Spatial Point-in-Polygon
+        // Mengambil Kavling dan menghitung jumlah warga miskin (Point) yang ada di dalamnya
+        $sql = "
+            SELECT 
+                k.id, 
+                k.nama_pemilik, 
+                k.luas, 
+                ST_AsGeoJSON(k.geom) as geojson,
+                COUNT(w.id) as jumlah_warga,
+                COALESCE(SUM(w.jumlah_tanggungan), 0) as total_tanggungan
+            FROM kavling k
+            LEFT JOIN warga_miskin w ON ST_Contains(k.geom, w.geom)
+            GROUP BY k.id
+        ";
+        
+        $stmt = $pdo->query($sql);
+        
+        $features = [];
+        $total_warga = 0;
+        
+        while ($row = $stmt->fetch()) {
+            $jumlah = (int) $row['jumlah_warga'];
+            $total_warga += $jumlah;
+            
+            $features[] = [
+                'type' => 'Feature',
+                'geometry' => json_decode($row['geojson']),
+                'properties' => [
+                    'id' => $row['id'],
+                    'nama_pemilik' => $row['nama_pemilik'],
+                    'luas' => $row['luas'],
+                    'jumlah_warga' => $jumlah,
+                    'total_tanggungan' => (int) $row['total_tanggungan']
+                ]
+            ];
+        }
+        
+        $response = [
+            'statistik' => [
+                'total_kavling' => count($features),
+                'total_warga_terpetakan' => $total_warga
+            ],
+            'geojson' => [
+                'type' => 'FeatureCollection',
+                'features' => $features
+            ]
+        ];
+        
+        sendSuccess($response, 'Data statistik spasial berhasil dihitung');
+    } catch (PDOException $e) {
+        sendError('Gagal menghitung statistik spasial: ' . $e->getMessage(), 500);
+    }
+} else {
+    sendError('Method not allowed', 405);
+}
+?>