From 3cdd5d6cb207de92bf4a95685878567c2eb387da Mon Sep 17 00:00:00 2001
From: litemotiv <litemotiv@tilde.club>
Date: Sun, 8 Dec 2024 10:44:40 +0100
Subject: [PATCH 1/2] Test only index pages for recent changes

---
 index.php | 100 ++++++++++++++++++++++++++++--------------------------
 1 file changed, 52 insertions(+), 48 deletions(-)

diff --git a/index.php b/index.php
index bed7765..291dff2 100644
--- a/index.php
+++ b/index.php
@@ -172,58 +172,62 @@ if (isset($_GET['notice'])) {
             <p>users with recently updated pages within the last month are highlighted in a lighter color.</p>
             <p><a href="/users/">list all users</a></p>
             <ul class="user-list">
-                <?php
-                // these are the hashes of previous and current default pages
-                $page_shas = [
-                    "0eb53dab435e2e6e401921146bed85a80e9ad3a1",
-                    "61eff8202777bae134ac4b11f1e16ec23dfc97d3",
-                    "e9d41eab6edb7cd375c63ecb4a23bca928992547",
-                    "cb2ce535ab34edebc225e88a321f972ba55763c3",
-                    "13af6898f536265af7dbbe2935b591f5e2ee0d7d",
-                    "b0eb2bf442e52b98714456b2f8a6662ba4c1f443",
-                    "0b4f272852e3391e97f0ebb7b5d734a765958eeb",
-                    "59e857ec585d6d34ed21e027164b3c3c36a95f0f",
-                    "9da422e8759799cce29327024fc77b6aa2ace484",
-                    "e5da596bd5f72aa583839bcefd28e988c9d4fcbe",
-                    "adc83b19e793491b1c6ea0fd8b46cd9f32e592fc",
-                    "3f51b25206c137593124a16d8b881079352cd1c4",
-                    "051b45fb2da9b15c523dfafd2a1dd33cc8b54e87",
-                    "5a1cf2f88acb15da43f5d18a13fe638d175a44cc",
-                    "0066d512c24f4ada7ad925fd0856b6b68334a93c",
-                    "da39a3ee5e6b4b0d3255bfef95601890afd80709",
-                    "f032fa07b3f4d9c1264a5a9369bff19f231bff45",
-                    "259969faeba97eb16a675bb66427efd168406c92",
-                    "75b7ce715379312bcc0b24696b9406e10b97cedc",
-                    "e28aa091c26528a4084b8fad2a2ddb72bee3db75",
-                    "12608ff7f6d222d97d2e02c1a13496e1d79713bb",
-                    "22d29b83dc93b925bee08d090b0ea0fffdeb57f2",
-                    "4706d8acdd74efd5c6d8f9e69ec215928d9ff165",
-                    "385212d5ea557a21b77af992ea1b3c1ea71d22c9",
-                    "b51a889545b5f065fd1ac2b8760cab0088a9dc22"
-                ];
-                $oneMonthAgo = strtotime('-1 month');
+			<?php
+			// these are the hashes of previous and current default pages
+			$page_shas = [
+				"0eb53dab435e2e6e401921146bed85a80e9ad3a1",
+				"61eff8202777bae134ac4b11f1e16ec23dfc97d3",
+				"e9d41eab6edb7cd375c63ecb4a23bca928992547",
+				"cb2ce535ab34edebc225e88a321f972ba55763c3",
+				"13af6898f536265af7dbbe2935b591f5e2ee0d7d",
+				"b0eb2bf442e52b98714456b2f8a6662ba4c1f443",
+				"0b4f272852e3391e97f0ebb7b5d734a765958eeb",
+				"59e857ec585d6d34ed21e027164b3c3c36a95f0f",
+				"9da422e8759799cce29327024fc77b6aa2ace484",
+				"e5da596bd5f72aa583839bcefd28e988c9d4fcbe",
+				"adc83b19e793491b1c6ea0fd8b46cd9f32e592fc",
+				"3f51b25206c137593124a16d8b881079352cd1c4",
+				"051b45fb2da9b15c523dfafd2a1dd33cc8b54e87",
+				"5a1cf2f88acb15da43f5d18a13fe638d175a44cc",
+				"0066d512c24f4ada7ad925fd0856b6b68334a93c",
+				"da39a3ee5e6b4b0d3255bfef95601890afd80709",
+				"f032fa07b3f4d9c1264a5a9369bff19f231bff45",
+				"259969faeba97eb16a675bb66427efd168406c92",
+				"75b7ce715379312bcc0b24696b9406e10b97cedc",
+				"e28aa091c26528a4084b8fad2a2ddb72bee3db75",
+				"12608ff7f6d222d97d2e02c1a13496e1d79713bb",
+				"22d29b83dc93b925bee08d090b0ea0fffdeb57f2",
+				"4706d8acdd74efd5c6d8f9e69ec215928d9ff165",
+				"385212d5ea557a21b77af992ea1b3c1ea71d22c9",
+				"b51a889545b5f065fd1ac2b8760cab0088a9dc22"
+			];
 
-foreach (glob("/home/*") as $user) {
-    // Look for index files with common extensions
-    $indexFiles = glob("$user/public_html/index.{html,htm,php}", GLOB_BRACE);
-    $index = count($indexFiles) > 0 ? $indexFiles[0] : null;
+			$oneMonthAgo = strtotime('-1 month');
 
-    if (!$index || in_array(sha1_file($index), $page_shas)) continue;
+			// Check if user has a default index page
+			foreach (glob("/home/*") as $user) {
+				// Look for index files with common extensions
+				$indexFiles = glob("$user/public_html/index.{html,htm,php}", GLOB_BRACE);
+				$index = count($indexFiles) > 0 ? $indexFiles[0] : null;
 
-    // Check for any recent changes in the public_html directory
-    $recentChange = false;
-    foreach (glob("$user/public_html/*") as $file) {
-        if (filemtime($file) > $oneMonthAgo) {
-            $recentChange = true;
-            break;
-        }
-    }
+				if (!$index || in_array(sha1_file($index), $page_shas)) continue;
 
-                    $user = basename($user);
-                    $class = $recentChange ? 'recently-updated' : '';
-                    ?>
-                    <li class="<?= $class ?>"><a href="/~<?=$user?>/">~<?=$user?></a></li>
-                <?php } ?>
+				// Check if the index pages were updated in the last month
+				$recentChange = false;
+
+				foreach ($indexFiles as $file) {
+					if (filemtime($file) > $oneMonthAgo) {
+						$recentChange = true;
+						break;
+					}
+				}
+
+				$user = basename($user);
+				$class = $recentChange ? 'recently-updated' : '';
+				
+				echo '<li class="'.$class.'"><a href="/~'.$user.'/">~'.$user.'</a></li>';
+			} 
+			?>
             </ul>
         </div>
     </div>

From 3e3a512535dcd90b7abfd10c9b61e1faf3c3412e Mon Sep 17 00:00:00 2001
From: litemotiv <litemotiv@tilde.club>
Date: Sun, 8 Dec 2024 11:40:25 +0100
Subject: [PATCH 2/2] Cache updated user homepages list

---
 index.php | 65 ++++++++++++++++++++++++++++++++++---------------------
 1 file changed, 40 insertions(+), 25 deletions(-)

diff --git a/index.php b/index.php
index 291dff2..d06778f 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,6 @@
-<?php include "header.php"; ?>
+<?php 
+include "header.php"; 
 
-<?php
 // Display notice message based on query parameters
 if (isset($_GET['notice'])) {
     $notice = htmlspecialchars($_GET['notice']);
@@ -11,7 +11,6 @@ if (isset($_GET['notice'])) {
     }
 }
 ?>
-
 <h1 id="fancyboi">welcome to tilde.club</h1>
 
 <p><a href="/wiki/faq.html">Questions? See the official FAQ.</a></p>
@@ -171,7 +170,6 @@ if (isset($_GET['notice'])) {
             <p>if you're not seeing yourself listed here, change your page from the default.</p>
             <p>users with recently updated pages within the last month are highlighted in a lighter color.</p>
             <p><a href="/users/">list all users</a></p>
-            <ul class="user-list">
 			<?php
 			// these are the hashes of previous and current default pages
 			$page_shas = [
@@ -204,33 +202,50 @@ if (isset($_GET['notice'])) {
 
 			$oneMonthAgo = strtotime('-1 month');
 
-			// Check if user has a default index page
-			foreach (glob("/home/*") as $user) {
-				// Look for index files with common extensions
-				$indexFiles = glob("$user/public_html/index.{html,htm,php}", GLOB_BRACE);
-				$index = count($indexFiles) > 0 ? $indexFiles[0] : null;
+			// Retrieve from cache file if available
+			$cache_file = 'cache/homepages_list.html';
 
-				if (!$index || in_array(sha1_file($index), $page_shas)) continue;
+			if (file_exists($cache_file) and time() - filemtime($cache_file) < 86400)
+			{
+				$homepages_list = file_get_contents($cache_file);
+			}
+			// Cache not available or expired
+			else
+			{
+				$homepages_list = '<ul class="user-list">';
 
-				// Check if the index pages were updated in the last month
-				$recentChange = false;
+				foreach (glob("/home/*") as $user) {
+					// Look for index files with common extensions
+					$indexFiles = glob("$user/public_html/index.{html,htm,php}", GLOB_BRACE);
+					$index = count($indexFiles) > 0 ? $indexFiles[0] : null;
 
-				foreach ($indexFiles as $file) {
-					if (filemtime($file) > $oneMonthAgo) {
-						$recentChange = true;
-						break;
+					if (!$index || in_array(sha1_file($index), $page_shas)) continue;
+
+					// Check if the index pages were updated in the last month
+					$recentChange = false;
+
+					foreach ($indexFiles as $file) {
+						if (filemtime($file) > $oneMonthAgo) {
+							$recentChange = true;
+							break;
+						}
 					}
-				}
 
-				$user = basename($user);
-				$class = $recentChange ? 'recently-updated' : '';
-				
-				echo '<li class="'.$class.'"><a href="/~'.$user.'/">~'.$user.'</a></li>';
-			} 
+					$user = basename($user);
+					$class = $recentChange ? 'recently-updated' : '';
+					
+					$homepages_list .= '<li class="'.$class.'"><a href="/~'.$user.'/">~'.$user.'</a></li>';
+				} 
+
+				$homepages_list .= '</ul>';	
+
+				// Save cache file
+				$save_cache = file_put_contents($cache_file, $homepages_list);
+			}
+
+			echo $homepages_list;
 			?>
-            </ul>
         </div>
     </div>
 </div>
-
-<?php include "footer.php"; ?>
+<?php include "footer.php";