refactor

_incl_data/class/Chat.php

@@ -99,6 +99,21 @@ class Chat
         'rotate' => [0 => 'катается от смеха по полу', 1 => 'катается по полу от смеха над [*%l*]'],
     ];
 
+    public static function getLastMessageId(): int
+    {
+        return (int)Db::getValue('select max(id) from chat');
+    }
+
+    public static function setCurrentTimeById(int $messageId): void
+    {
+        Db::sql('update chat set time = unix_timestamp() where id = ?)', [$messageId]);
+    }
+
+    public static function setCurrentTimeAndIdById(int $messageId, int $newMessageId): void
+    {
+        Db::sql('update chat set time = unix_timestamp(), id = ? where id = ?', [$newMessageId, $messageId]);
+    }
+
     public function expworld($txt, $vl): string
     {
         $words = explode(' ', $txt);
@@ -214,4 +229,21 @@ class Chat
         ];
         Db::sql($q, $args);
     }
+
+    /** Какая-то заумная выборка что отображать в чат.
+     * @param int $messageId
+     * @param string $login
+     * @return array
+     */
+    public function getMessages(int $messageId, string $login): array
+    {
+        $query = "select * from chat
+    where
+        new = 1 and
+        (id > ? or spam > 0 or (time < 0 and time > -unix_timestamp() and (`to` = '' or `to` = ?))) and
+        (time > unix_timestamp() - 360 or time > unix_timestamp() - 120 or (time = -1 and (`to` = ? or type = 8)) or time < -1 and time > -unix_timestamp() and (`to` = ? or type = 8 or `to` = ''))
+    order by id";
+
+        return Db::getRows($query, [$messageId, $login, $login, $login]);
+    }
 }