pages.php: use context cache on mod_ip and mod_ip_remove_note

inc/mod/pages.php

@@ -4,7 +4,7 @@
  */
 use Vichan\Context;
 use Vichan\Data\ReportQueries;
-use Vichan\Functions\Format;
+use Vichan\Data\Driver\CacheDriver;
 use Vichan\Functions\Net;
 
 use function Vichan\Functions\Net\decode_cursor;
@@ -860,11 +860,15 @@ function mod_ip_remove_note(Context $ctx, $ip, $id) {
     if (filter_var($ip, FILTER_VALIDATE_IP) === false)
         error("Invalid IP address.");
 
+    $cache = $ctx->get(CacheDriver::class);
+
     $query = prepare('DELETE FROM ``ip_notes`` WHERE `ip` = :ip AND `id` = :id');
     $query->bindValue(':ip', $ip);
     $query->bindValue(':id', $id);
     $query->execute() or error(db_error($query));
 
+    $cache->delete("mod_page_ip_view_notes_$ip");
+
     modLog("Removed a note for <a href=\"?/IP/{$ip}\">{$ip}</a>");
 
     header('Location: ?/IP/' . $ip . '#notes', true, $config['redirect_http']);
@@ -903,7 +907,8 @@ function mod_ip(Context $ctx, $ip, string $encoded_cursor = '') {
         $query->bindValue(':body', $_POST['note']);
         $query->execute() or error(db_error($query));
 
-        Cache::delete("mod_page_ip_view_notes_$ip");
+        $cache = $ctx->get(CacheDriver::class);
+        $cache->delete("mod_page_ip_view_notes_$ip");
 
         modLog("Added a note for <a href=\"?/IP/{$ip}\">{$ip}</a>");
 
@@ -1025,25 +1030,27 @@ function mod_ip(Context $ctx, $ip, string $encoded_cursor = '') {
     }
 
     if (hasPermission($config['mod']['view_notes'])) {
-        $ret = Cache::get("mod_page_ip_view_notes_$ip");
+        $cache = $ctx->get(CacheDriver::class);
-        if (!$ret) {
+        $ret = $cache->get("mod_page_ip_view_notes_$ip");
+        if ($ret === null) {
             $query = prepare("SELECT ``ip_notes``.*, `username` FROM ``ip_notes`` LEFT JOIN ``mods`` ON `mod` = ``mods``.`id` WHERE `ip` = :ip ORDER BY `time` DESC");
             $query->bindValue(':ip', $ip);
             $query->execute() or error(db_error($query));
             $ret = $query->fetchAll(PDO::FETCH_ASSOC);
-            Cache::set("mod_page_ip_view_notes_$ip", $ret, 900);
+            $cache->set("mod_page_ip_view_notes_$ip", $ret, 900);
         }
         $args['notes'] = $ret;
     }
 
     if (hasPermission($config['mod']['modlog_ip'])) {
-        $ret = Cache::get("mod_page_ip_modlog_ip_$ip");
+        $cache = $ctx->get(CacheDriver::class);
-        if (!$ret) {
+        $ret = $cache->get("mod_page_ip_modlog_ip_$ip");
+        if ($ret === null) {
             $query = prepare("SELECT `username`, `mod`, `ip`, `board`, `time`, `text` FROM ``modlogs`` LEFT JOIN ``mods`` ON `mod` = ``mods``.`id` WHERE `text` LIKE :search ORDER BY `time` DESC LIMIT 50");
             $query->bindValue(':search', '%' . $ip . '%');
             $query->execute() or error(db_error($query));
             $ret = $query->fetchAll(PDO::FETCH_ASSOC);
-            Cache::set("mod_page_ip_modlog_ip_$ip", $ret, 900);
+            $cache->set("mod_page_ip_modlog_ip_$ip", $ret, 900);
         }
         $args['logs'] = $ret;
     } else {