menambahkan data jumlah rumah prasejahtera yang tercakup bantuan dari rumah ibadah pada popup

2026-06-10 20:01:57 +07:00
parent 6158f4b1a4
commit 0108c35a05
2 changed files with 99 additions and 23 deletions
@@ -1,8 +1,38 @@
 <?php
 header('Content-Type: application/json');
-$conn = new mysqli('localhost', 'root', '', 'webgis');
+$conn = new mysqli("localhost", "root", "", "webgis");
+
 $result = $conn->query("SELECT * FROM rumah_ibadah");
 $data = [];
-while ($row = $result->fetch_assoc()) $data[] = $row;
+
+while ($row = $result->fetch_assoc()) {
+    $id       = $row['id'];
+    $lat      = $row['lat'];
+    $lng      = $row['lng'];
+    $radius_m = $row['radius_m'];
+
+    // Hitung jumlah rumah prasejahtera dalam radius
+    // menggunakan formula Haversine langsung di SQL
+    $stmt = $conn->prepare("
+        SELECT COUNT(*) as total
+        FROM rumah_prasejahtera
+        WHERE (
+            6371000 * acos(
+                cos(radians(?)) * cos(radians(lat)) *
+                cos(radians(lng) - radians(?)) +
+                sin(radians(?)) * sin(radians(lat))
+            )
+        ) <= ?
+    ");
+    $stmt->bind_param("dddd", $lat, $lng, $lat, $radius_m);
+    $stmt->execute();
+    $hitungResult = $stmt->get_result()->fetch_assoc();
+    $stmt->close();
+
+    $row['jumlah_tercakup'] = (int) $hitungResult['total'];
+    $data[] = $row;
+}
+
 echo json_encode($data);
+$conn->close();
 ?>