From 4485d44959fbf046ca4912f47c86a3c5f189a4cd Mon Sep 17 00:00:00 2001
From: Ladislav Palider <ladislav.palider@poski.com>
Date: Sun, 23 Oct 2022 14:18:53 +0200
Subject: [PATCH] #64 IpAddressV4Service: added support for parsing IPv4
 addresses

---
 .../Service/IpAddressV4Service.php            | 56 +++++++++++++++++++
 src/libs/BetterLocation/ServicesManager.php   |  2 +
 2 files changed, 58 insertions(+)
 create mode 100644 src/libs/BetterLocation/Service/IpAddressV4Service.php

diff --git a/src/libs/BetterLocation/Service/IpAddressV4Service.php b/src/libs/BetterLocation/Service/IpAddressV4Service.php
new file mode 100644
index 00000000..af500fee
--- /dev/null
+++ b/src/libs/BetterLocation/Service/IpAddressV4Service.php
@@ -0,0 +1,56 @@
+<?php declare(strict_types=1);
+
+namespace App\BetterLocation\Service;
+
+use App\BetterLocation\BetterLocation;
+use App\BetterLocation\BetterLocationCollection;
+use App\Config;
+use App\MiniCurl\MiniCurl;
+use Nette\Utils\Strings;
+
+final class IpAddressV4Service extends AbstractService
+{
+	const ID = 44;
+	const NAME = 'ipaddress';
+	private const SEPARATOR = [' ', "\t", PHP_EOL, ',',';','=','-'];
+	private const IP_V4_MASK = '/(?:^|_)(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(?:$|_)/';
+
+    public static function findInText(string $input): BetterLocationCollection
+    {
+        // replace all potential delimiters with identifiers pair
+        // to correctly retrieve closely adjacent addresses
+        // use  delimiter as identifier multiplies them 4 times :)
+        $input = str_replace(self::SEPARATOR, '__', $input);
+
+        if (preg_match_all(self::IP_V4_MASK, $input, $matches)) {
+            $collection = new BetterLocationCollection();
+            for ($i = 0; $i < count($matches[1]); $i++) {
+                $ipAddress = $matches[1][$i];
+                if (filter_var($ipAddress, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_IPV6 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {
+                    $response = self::loadApi($ipAddress);
+                    $collection->add(new BetterLocation('$this->inputUrl',  $response->lat, $response->lon, self::class));
+                }
+            }
+        }
+        return $collection;
+    }
+
+    private static function loadApi(string $ipAddress): \stdClass
+    {
+        $response = (new MiniCurl('http://ip-api.com/json/' . $ipAddress)) // 24.48.0.1
+            ->allowCache(Config::CACHE_TTL_BANNERGRESS)
+            ->run()
+            ->getBody();
+        return json_decode($response);
+    }
+
+    private static function getPlaceName($finder): ?string
+	{
+		$placeNameRaw = $finder->query('//h1/text()')->item(0)->textContent;
+		if (Strings::startsWith($placeNameRaw, 'studna bez jména (') || Strings::startsWith($placeNameRaw, 'jiný vodní zdroj bez jména (')) {
+			return null;
+		} else {
+			return preg_replace('/ \([0-9]+\)$/', '', $placeNameRaw);
+		}
+	}
+}
diff --git a/src/libs/BetterLocation/ServicesManager.php b/src/libs/BetterLocation/ServicesManager.php
index 9dc32347..aca491e2 100644
--- a/src/libs/BetterLocation/ServicesManager.php
+++ b/src/libs/BetterLocation/ServicesManager.php
@@ -30,6 +30,7 @@
 use App\BetterLocation\Service\HradyCzService;
 use App\BetterLocation\Service\IngressIntelService;
 use App\BetterLocation\Service\IngressPrimeService;
+use App\BetterLocation\Service\IpAddressV4Service;
 use App\BetterLocation\Service\MapyCzPanoramaGeneratorService;
 use App\BetterLocation\Service\MapyCzService;
 use App\BetterLocation\Service\NeshanOrgService;
@@ -82,6 +83,7 @@ class ServicesManager
 
 	public function __construct()
 	{
+		$this->services[IpAddressV4Service::ID] = IpAddressV4Service::class;
 		$this->services[BetterLocationService::ID] = BetterLocationService::class;
 		$this->services[WGS84DegreesService::ID] = WGS84DegreesService::class;
 		$this->services[WGS84DegreeCompactService::ID] = WGS84DegreeCompactService::class;