From db285a4be28e6da35be65424b2f324dd04e9becf Mon Sep 17 00:00:00 2001
From: Georgi Nikolov <ggeorgi60@gmail.com>
Date: Sat, 25 Jan 2025 15:23:14 +0200
Subject: Handled the search url not existing

---
 controllers/archive.php | 36 ++++++++++++++++++++++++++++++++++++
 views/archive/index.php |  6 ++++++
 2 files changed, 42 insertions(+)

diff --git a/controllers/archive.php b/controllers/archive.php
index a54387b..dc72045 100644
--- a/controllers/archive.php
+++ b/controllers/archive.php
@@ -8,3 +8,39 @@ function on_get() {
     }
     catch(Exception $e) {}
 }
+
+function applyCorrectProtocol($url, $protocol) : string {
+    if (str_contains($url, $protocol)) {
+        return $url;
+    }
+    return $protocol . $url;
+}
+
+function doesWebsiteExist($url) : bool {
+    // Check if the site exists with https
+    $https_url = applyCorrectProtocol($url, "https://");
+    if ($https_url != $url) {
+        $url_headers = @get_headers($https_url);
+        if ($url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found') {
+            return true;
+        }
+    }
+
+    // Check if the site exists with http
+    $http_url = applyCorrectProtocol($url, "http://");
+    if ($http_url != $url) {
+        $url_headers = @get_headers($http_url);
+        if ($url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found') {
+            return true;
+        }
+    }
+
+    // Check if the site exists as is
+    // Will take effect when the user has entered the https/http protocol with the site
+    $url_headers = @get_headers($url);
+    if ($url_headers && $url_headers[0] != 'HTTP/1.1 404 Not Found') {
+        return true;
+    }
+
+    return false;
+}
diff --git a/views/archive/index.php b/views/archive/index.php
index 7aba050..d30ddf2 100644
--- a/views/archive/index.php
+++ b/views/archive/index.php
@@ -23,6 +23,12 @@
         </section>
     <?php endforeach; ?>
 
+<?php elseif(!doesWebsiteExist($_GET["page_url"])): ?>
+    <h2>"<?php echo $_GET["page_url"] ?>" Does not exist!</h2>
+    <p>Submit another request or check the spelling of the site and try again</p>
+    <a href="/home/index.php">Go back!</a>
+
+
 <?php else: ?>
     <h2>"<?php echo $_GET["page_url"] ?>" hasn't been archived yet!</h2>
     <form action="/sample_archive/index.php" method="POST">
-- 
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