Added MadelineProtoFactory class

This factory class is used for generating MadelineProto instance from given TelegramSession model instance, TelegramSession record id, or session file path

Note: all the danog/MadelineProto session file will be stored in `storage/app/telegram/` directory.

src/Factories/MadelineProtoFactory.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Hu\MadelineProto\Factories;
+
+use danog\MadelineProto\API;
+use Hu\MadelineProto\MadelineProto;
+use Illuminate\Database\Connection;
+use Illuminate\Database\DatabaseManager;
+use Illuminate\Database\Eloquent\Model;
+
+class MadelineProtoFactory
+{
+    /**
+     * @var Connection
+     */
+    private $database;
+
+    /**
+     * Table name.
+     *
+     * @var string
+     */
+    private $table;
+
+    /**
+     * SessionFactory constructor.
+     *
+     * @param DatabaseManager $manager
+     * @param string $table
+     */
+    public function __construct(DatabaseManager $manager, string $table)
+    {
+        $this->database = $manager->connection();
+        $this->table = $table;
+    }
+
+    /**
+     * Get the MadelineProto (session) instance from session table.
+     *
+     * @param int|Model $session can be either <b>id</b> or model instance of <b>TelegramSession</b> which
+     *                           generated from <u>madeline-proto:multi-session --model</u> command
+     * @param array|null $config if this parameter is null, then the config from <b>telegram.php</b>
+     *                           file will be used
+     * @return MadelineProto
+     */
+    public function get($session, array $config = null)
+    {
+        if (is_null($config)) {
+            $config = config('telegram.settings');
+        }
+
+        if (is_int($session)) {
+            $session = $this->database->table($this->table)->find($session);
+
+            $sessionFile = $session->session_file;
+        } else {
+            $sessionFile = $session->session_file;
+        }
+
+        return $this->make($sessionFile, $config);
+    }
+
+    /**
+     * Generating MadelineProto (session) instance.
+     *
+     * @param string $sessionFile
+     * @param array $config
+     * @return MadelineProto
+     */
+    public function make(string $sessionFile, array $config)
+    {
+        if (!file_exists(storage_path("app/telegram/"))) {
+            mkdir(storage_path("app/telegram"), 0755);
+        }
+
+        $client = new API(storage_path("app/telegram/$sessionFile"), $config);
+
+        return new MadelineProto($client);
+    }
+}