first commit

2026-06-10 22:46:10 +07:00
commit a7cb1f2de0
15 changed files with 4045 additions and 0 deletions
@@ -0,0 +1,151 @@
+<?php
+// ============================================================
+// api/parcels.php — CRUD for land parcel polygons
+// Ownership: SHM, HGB, HGU, HP
+// ============================================================
+
+require_once __DIR__ . '/../config/db.php';
+require_once __DIR__ . '/../config/helpers.php';
+
+handlePreflight();
+
+$method = getMethod();
+$db     = getDB();
+
+switch ($method) {
+
+    // ----------------------------------------------------------
+    // GET /api/parcels.php           → all parcels as GeoJSON
+    // GET /api/parcels.php?id=N      → single parcel
+    // GET /api/parcels.php?type=SHM  → filter by ownership
+    // ----------------------------------------------------------
+    case 'GET':
+        if (isset($_GET['id'])) {
+            $stmt = $db->prepare('SELECT * FROM parcels WHERE id = ?');
+            $stmt->execute([(int)$_GET['id']]);
+            $row = $stmt->fetch();
+            if (!$row) jsonResponse(['error' => 'Parcel not found'], 404);
+            $row['geojson'] = json_decode($row['geojson'], true);
+            jsonResponse($row);
+        }
+
+        $where  = '';
+        $params = [];
+        if (!empty($_GET['type'])) {
+            $where  = 'WHERE ownership_type = ?';
+            $params = [$_GET['type']];
+        }
+
+        $stmt = $db->prepare("SELECT * FROM parcels $where ORDER BY created_at DESC");
+        $stmt->execute($params);
+        $rows = $stmt->fetchAll();
+
+        $features = [];
+        foreach ($rows as $row) {
+            $geo = json_decode($row['geojson'], true);
+            $features[] = [
+                'type'       => 'Feature',
+                'geometry'   => $geo,
+                'properties' => [
+                    'id'             => $row['id'],
+                    'owner_name'     => $row['owner_name'],
+                    'ownership_type' => $row['ownership_type'],
+                    'area_m2'        => (float)$row['area_m2'],
+                    'description'    => $row['description'],
+                    'created_at'     => $row['created_at'],
+                ],
+            ];
+        }
+        jsonResponse(['type' => 'FeatureCollection', 'features' => $features]);
+        break;
+
+    // ----------------------------------------------------------
+    // POST /api/parcels.php
+    // Body: { owner_name, ownership_type, area_m2, geojson, description }
+    // ----------------------------------------------------------
+    case 'POST':
+        $body = getRequestBody();
+
+        foreach (['owner_name', 'ownership_type', 'geojson'] as $f) {
+            if (empty($body[$f])) jsonResponse(['error' => "Field '$f' is required"], 422);
+        }
+
+        $allowed = ['SHM', 'HGB', 'HGU', 'HP'];
+        if (!in_array($body['ownership_type'], $allowed, true)) {
+            jsonResponse(['error' => 'Invalid ownership_type'], 422);
+        }
+
+        $geojson = is_array($body['geojson'])
+            ? json_encode($body['geojson'])
+            : $body['geojson'];
+
+        $stmt = $db->prepare(
+            'INSERT INTO parcels (owner_name, ownership_type, area_m2, geojson, description)
+             VALUES (?, ?, ?, ?, ?)'
+        );
+        $stmt->execute([
+            $body['owner_name'],
+            $body['ownership_type'],
+            (float)($body['area_m2'] ?? 0),
+            $geojson,
+            $body['description'] ?? null,
+        ]);
+
+        $id   = (int)$db->lastInsertId();
+        $stmt2 = $db->prepare('SELECT * FROM parcels WHERE id = ?');
+        $stmt2->execute([$id]);
+        $row = $stmt2->fetch();
+        $row['geojson'] = json_decode($row['geojson'], true);
+        jsonResponse($row, 201);
+        break;
+
+    // ----------------------------------------------------------
+    // PUT /api/parcels.php?id=N
+    // ----------------------------------------------------------
+    case 'PUT':
+        if (empty($_GET['id'])) jsonResponse(['error' => 'id required'], 400);
+        $body = getRequestBody();
+        $id   = (int)$_GET['id'];
+
+        $check = $db->prepare('SELECT id FROM parcels WHERE id = ?');
+        $check->execute([$id]);
+        if (!$check->fetch()) jsonResponse(['error' => 'Parcel not found'], 404);
+
+        $geojson = is_array($body['geojson'] ?? null)
+            ? json_encode($body['geojson'])
+            : ($body['geojson'] ?? '{}');
+
+        $stmt = $db->prepare(
+            'UPDATE parcels SET owner_name=?, ownership_type=?, area_m2=?, geojson=?, description=? WHERE id=?'
+        );
+        $stmt->execute([
+            $body['owner_name']      ?? '',
+            $body['ownership_type']  ?? 'SHM',
+            (float)($body['area_m2'] ?? 0),
+            $geojson,
+            $body['description']     ?? null,
+            $id,
+        ]);
+
+        $stmt2 = $db->prepare('SELECT * FROM parcels WHERE id = ?');
+        $stmt2->execute([$id]);
+        $row = $stmt2->fetch();
+        $row['geojson'] = json_decode($row['geojson'], true);
+        jsonResponse($row);
+        break;
+
+    // ----------------------------------------------------------
+    // DELETE /api/parcels.php?id=N
+    // ----------------------------------------------------------
+    case 'DELETE':
+        if (empty($_GET['id'])) jsonResponse(['error' => 'id required'], 400);
+        $id   = (int)$_GET['id'];
+        $stmt = $db->prepare('DELETE FROM parcels WHERE id = ?');
+        $stmt->execute([$id]);
+        if ($stmt->rowCount() === 0) jsonResponse(['error' => 'Parcel not found'], 404);
+        jsonResponse(['message' => 'Parcel deleted', 'id' => $id]);
+        break;
+
+    default:
+        jsonResponse(['error' => 'Method not allowed'], 405);
+}