initial

2026-03-03 16:30:57 +07:00
parent a13304e40e
commit c253e1a370
7569 changed files with 1324841 additions and 0 deletions
@@ -0,0 +1,110 @@
+<?php
+defined('BASEPATH') or exit('No direct script access allowed');
+
+/**
+ * Google Maps helper.
+ * All Google Maps API calls from the backend should go through here so that
+ * the API key lives only on the server (via constants configured in setting.php).
+ */
+
+if (!function_exists('maps_get_api_key')) {
+    /**
+     * Resolve the Maps API key from environment/constant.
+     *
+     * @return string
+     */
+    function maps_get_api_key()
+    {
+        if (defined('google_maps_api') && google_maps_api !== '') {
+            return google_maps_api;
+        }
+        if (defined('GOOGLE_MAPS_API_KEY') && GOOGLE_MAPS_API_KEY !== '') {
+            return GOOGLE_MAPS_API_KEY;
+        }
+        return '';
+    }
+}
+
+if (!function_exists('maps_http_get_json')) {
+    /**
+     * Internal helper to issue a GET request and decode JSON.
+     *
+     * @param string $url
+     * @return array|null
+     */
+    function maps_http_get_json($url)
+    {
+        $ctx = stream_context_create(array(
+            'http' => array(
+                'method' => 'GET',
+                'timeout' => 10,
+            ),
+        ));
+        $raw = @file_get_contents($url, false, $ctx);
+        if ($raw === false) {
+            log_message('error', 'Maps helper: HTTP request failed for URL: ' . $url);
+            return null;
+        }
+        $data = json_decode($raw, true);
+        if (!is_array($data)) {
+            log_message('error', 'Maps helper: JSON decode failed for URL: ' . $url);
+            return null;
+        }
+        return $data;
+    }
+}
+
+if (!function_exists('maps_directions')) {
+    /**
+     * Call Google Directions API for a simple origin/destination pair.
+     *
+     * @param float $originLat
+     * @param float $originLng
+     * @param float $destLat
+     * @param float $destLng
+     * @param string $mode
+     * @return array|null
+     */
+    function maps_directions($originLat, $originLng, $destLat, $destLng, $mode = 'driving')
+    {
+        $key = maps_get_api_key();
+        if ($key === '') {
+            log_message('error', 'Maps helper: GOOGLE_MAPS_API_KEY not set');
+            return null;
+        }
+        $params = http_build_query(array(
+            'origin' => $originLat . ',' . $originLng,
+            'destination' => $destLat . ',' . $destLng,
+            'mode' => $mode,
+            'units' => 'metric',
+            'key' => $key,
+        ));
+        $url = 'https://maps.googleapis.com/maps/api/directions/json?' . $params;
+        return maps_http_get_json($url);
+    }
+}
+
+if (!function_exists('maps_geocode')) {
+    /**
+     * Reverse geocode a lat/lng using Google Geocoding API.
+     *
+     * @param float $lat
+     * @param float $lng
+     * @return array|null
+     */
+    function maps_geocode($lat, $lng)
+    {
+        $key = maps_get_api_key();
+        if ($key === '') {
+            log_message('error', 'Maps helper: GOOGLE_MAPS_API_KEY not set for geocode');
+            return null;
+        }
+        $params = http_build_query(array(
+            'latlng' => $lat . ',' . $lng,
+            'key' => $key,
+        ));
+        $url = 'https://maps.googleapis.com/maps/api/geocode/json?' . $params;
+        return maps_http_get_json($url);
+    }
+}
+