From eb06f147d9bd6f48c4aa2f683ef7d281c16e3ce6 Mon Sep 17 00:00:00 2001
From: Kilderson Sena <dersonsena@gmail.com>
Date: Sun, 19 Sep 2021 17:12:19 -0300
Subject: [PATCH] decreasing the short url path to 5

---
 src/Controllers/ShortenUrlController.php | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/Controllers/ShortenUrlController.php b/src/Controllers/ShortenUrlController.php
index f65e189..b99b89b 100644
--- a/src/Controllers/ShortenUrlController.php
+++ b/src/Controllers/ShortenUrlController.php
@@ -71,7 +71,21 @@ public function __invoke(Request $request, Response $response, array $args): Res
                 VALUES (:id, :uuid, :long_url, :short_url_path, :created_at)
             "));
 
-        $shortUrlPath = substr(sha1(uniqid((string)rand(), true)), 0, 10);
+        $shortUrlPath = substr(sha1(uniqid((string)rand(), true)), 0, 5);
+
+        while (true) {
+            $stmt2 = $this->db->prepare('select `id` from `urls` where `short_url_path` = :path');
+            $stmt2->execute(['path' => $shortUrlPath]);
+            $row = $stmt2->fetch();
+
+            if ($row !== false) {
+                $shortUrlPath = substr(sha1(uniqid((string)rand(), true)), 0, 5);
+                continue;
+            }
+
+            break;
+        }
+
         $uuid = Uuid::uuid4();
         $createdAt = new DateTimeImmutable();