Add two filter

src/EventHandler/Filter/FilterCommandCaseInsensetive.php

@@ -0,0 +1,56 @@
+<?php declare(strict_types=1);
+
+/**
+ * This file is part of MadelineProto.
+ * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with MadelineProto.
+ * If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author    Amir Hossein Jafari <amirhosseinjafari8228@gmail.com>
+ * @copyright 2016-2023 Amir Hossein Jafari <amirhosseinjafari8228@gmail.com>
+ * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
+ * @link https://docs.madelineproto.xyz MadelineProto documentation
+ */
+
+namespace danog\MadelineProto\EventHandler\Filter;
+
+use Attribute;
+use danog\MadelineProto\EventHandler\Message;
+use danog\MadelineProto\EventHandler\Story\Story;
+use danog\MadelineProto\EventHandler\Update;
+use Webmozart\Assert\Assert;
+
+/**
+ * Allow only messages containing the specified case-insensitive command.
+ */
+#[Attribute(Attribute::TARGET_METHOD)]
+final class FilterCommandCaseInsensetive extends Filter
+{
+    /**
+     * @var array<CommandType>
+     */
+    public readonly array $commandTypes;
+    /**
+     * @param string            $command Command
+     * @param list<CommandType> $types   Command types, if empty all command types are allowed.
+     */
+    public function __construct(private readonly string $command, array $types = [CommandType::BANG, CommandType::DOT, CommandType::SLASH])
+    {
+        Assert::true(preg_match("/^\w+$/", $command) === 1, "An invalid command was specified!");
+        Assert::notEmpty($types, 'No command types were specified!');
+        $c = [];
+        foreach ($types as $type) {
+            if (isset($c[$type->value])) {
+                throw new AssertionError($type->value." was already specified!");
+            }
+            $c[$type->value] = true;
+        }
+        $this->commandTypes = $types;
+    }
+    public function apply(Update $update): bool
+    {
+        return $update instanceof Message && strtolower($update->command) === $this->command && \in_array($update->commandType, $this->commandTypes, true);
+    }
+}

src/EventHandler/Filter/FilterForwardedFrom.php

@@ -0,0 +1,47 @@
+<?php declare(strict_types=1);
+
+/**
+ * This file is part of MadelineProto.
+ * MadelineProto is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * MadelineProto is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ * See the GNU Affero General Public License for more details.
+ * You should have received a copy of the GNU General Public License along with MadelineProto.
+ * If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @author    Amir Hossein Jafari <amirhosseinjafari8228@gmail.com>
+ * @copyright 2016-2023 Amir Hossein Jafari <amirhosseinjafari8228@gmail.com>
+ * @license   https://opensource.org/licenses/AGPL-3.0 AGPLv3
+ * @link https://docs.madelineproto.xyz MadelineProto documentation
+ */
+
+namespace danog\MadelineProto\EventHandler\Filter;
+
+use Attribute;
+use danog\MadelineProto\EventHandler;
+use danog\MadelineProto\EventHandler\Update;
+use danog\MadelineProto\EventHandler\Message;
+
+/**
+ * Allow only forwarded messages from a certain sender.
+ */
+#[Attribute(Attribute::TARGET_METHOD)]
+final class FilterForwardedFrom extends Filter
+{
+    private readonly int $peerResolved;
+
+    public function __construct(private readonly string|int $peer)
+    {
+    }
+
+    public function initialize(EventHandler $API): Filter
+    {
+        /** @psalm-suppress InaccessibleProperty */
+        $this->peerResolved = $API->getId($this->peer);
+        return $this;
+    }
+
+    public function apply(Update $update): bool
+    {
+        return $update instanceof Message && ($update?->fwdInfo?->fromId === $this->peerResolved || $update?->fwdInfo?->forwardedChannelMsgId === $this->peerResolved);
+    }
+}