Added InputFile as manual file

src/Base.php

@@ -42,10 +42,11 @@ public function raw(string $method, $data = []): mixed
         $data = array_combine($parameters, $data);
         $data = array_filter($data, fn($item) => ! is_null($item));
 
-        $response = $this->client->post($method, [
-            'form_params' => $data,
-            'proxy'       => $this->proxy,
-        ]);
+        $sendsFiles = array_reduce($data, fn($carry, $item) => $carry || $item instanceof InputFile, false);
+
+        $response = $sendsFiles
+            ? $this->sendViaMultipart($method, $data)
+            : $this->sendViaForm($method, $data);
 
         $jsonResponse = json_decode($response->getBody()->getContents(), true);
         if ($jsonResponse['ok'] === true) {
@@ -58,4 +59,32 @@ public function raw(string $method, $data = []): mixed
         throw new \Exception($jsonResponse['description']);
     }
 
+    protected function sendViaMultipart(string $method, array $data)
+    {
+        $multiparts = [];
+
+        foreach ($data as $key => $value) {
+
+            $multiparts[] = [
+                'name'     => $key,
+                'contents' => $value instanceof InputFile
+                    ? $value->getContents() : json_encode($value)
+            ];
+
+        }
+
+        return $this->client->post($method, [
+            'multipart' => $multiparts,
+            'proxy'     => $this->proxy
+        ]);
+    }
+
+    protected function sendViaForm(string $method, array $data): \Psr\Http\Message\ResponseInterface
+    {
+        return $this->client->post($method, [
+            'form_params' => $data,
+            'proxy'       => $this->proxy,
+        ]);
+    }
+
 }

src/Exceptions/InputFileException.php

@@ -0,0 +1,8 @@
+<?php
+
+namespace Tii\Telepath\Exceptions;
+
+class InputFileException extends \Exception
+{
+
+}

src/InputFile.php

@@ -0,0 +1,60 @@
+<?php
+
+namespace Tii\Telepath;
+
+use GuzzleHttp\Psr7\Stream;
+use Psr\Http\Message\StreamInterface;
+use Tii\Telepath\Exceptions\InputFileException;
+
+/**
+ * This object represents the contents of a file to be uploaded. Must be posted using multipart/form-data in the usual way that files are uploaded via the browser.
+ */
+class InputFile
+{
+    public function __construct(
+        protected StreamInterface|string $contents
+    ) {
+    }
+
+    public static function fromFileId(string $fileId): static
+    {
+        return new static($fileId);
+    }
+
+    public static function fromUrl(string $url): static
+    {
+        if (! str_starts_with($url, 'http')) {
+            throw new InputFileException('Invalid URL.');
+        }
+
+        return new static($url);
+    }
+
+    public static function fromFile(string $file): static
+    {
+        if (! file_exists($file)) {
+            throw new InputFileException('File does not exists.');
+        }
+
+        return static::fromResource(fopen($file, 'r'));
+    }
+
+    public static function fromResource($resource): static
+    {
+        if (get_resource_type($resource) !== 'stream') {
+            throw new InputFileException('Invalid resource type.');
+        }
+
+        return static::fromStream(new Stream($resource));
+    }
+
+    public static function fromStream(StreamInterface $stream): static
+    {
+        return new static($stream);
+    }
+
+    public function getContents(): StreamInterface|string
+    {
+        return $this->contents;
+    }
+}

src/Telegram/InputMediaAnimation.php

@@ -6,6 +6,8 @@
 
 namespace Tii\Telepath\Telegram;
 
+use Tii\Telepath\InputFile;
+
 /**
  * Represents an animation file (GIF or H.264/MPEG-4 AVC video without sound) to be sent.
  */

src/Telegram/InputMediaAudio.php

@@ -6,6 +6,8 @@
 
 namespace Tii\Telepath\Telegram;
 
+use Tii\Telepath\InputFile;
+
 /**
  * Represents an audio file to be treated as music to be sent.
  */

src/Telegram/InputMediaDocument.php

@@ -6,6 +6,8 @@
 
 namespace Tii\Telepath\Telegram;
 
+use Tii\Telepath\InputFile;
+
 /**
  * Represents a general file to be sent.
  */

src/Telegram/InputMediaVideo.php

@@ -6,6 +6,8 @@
 
 namespace Tii\Telepath\Telegram;
 
+use Tii\Telepath\InputFile;
+
 /**
  * Represents a video to be sent.
  */

src/TelegramBot.php

@@ -13,7 +13,6 @@
 use Tii\Telepath\Telegram\ForceReply;
 use Tii\Telepath\Telegram\InlineKeyboardMarkup;
 use Tii\Telepath\Telegram\InlineQueryResult;
-use Tii\Telepath\Telegram\InputFile;
 use Tii\Telepath\Telegram\InputMedia;
 use Tii\Telepath\Telegram\InputMediaAudio;
 use Tii\Telepath\Telegram\InputMediaDocument;

src/Type.php

@@ -6,7 +6,7 @@ class Type
 {
     use CastsToTelegramTypes;
 
-    public function __construct(array $data)
+    public function __construct(array $data = [])
     {
         foreach ($data as $key => $value) {