From 9939c3b61e962b0aadae2c7376900e5d92145a76 Mon Sep 17 00:00:00 2001
From: bahriddin <darkshadeuz@gmail.com>
Date: Tue, 23 Aug 2022 15:06:13 +0500
Subject: [PATCH] Initial

---
 .gitignore                           |   4 +
 App.php                              |  36 +++++++++
 Commands/HelloCommand.php            |  47 +++++++++++
 Commands/StartCommand.php            |  49 ++++++++++++
 Config/BotConfig.php                 |  14 ++++
 Config/Database/pgsql.sql            | 113 +++++++++++++++++++++++++++
 Config/DbConfig.php                  |  30 +++++++
 Enums/StatusEnum.php                 |  24 ++++++
 Locales/en.php                       |   9 +++
 Models/BaseModel.php                 |   8 ++
 Models/ModelInterface.php            |  10 +++
 Models/User.php                      |  55 +++++++++++++
 Repositories/BaseRepository.php      |  70 +++++++++++++++++
 Repositories/RepositoryInterface.php |  20 +++++
 Repositories/UserRepository.php      | 111 ++++++++++++++++++++++++++
 Services/BaseService.php             |   8 ++
 Services/ServiceInterface.php        |   8 ++
 Services/UserService.php             |  49 ++++++++++++
 composer.json                        |  22 ++++++
 index.php                            |  47 +++++++++++
 20 files changed, 734 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 App.php
 create mode 100644 Commands/HelloCommand.php
 create mode 100644 Commands/StartCommand.php
 create mode 100644 Config/BotConfig.php
 create mode 100644 Config/Database/pgsql.sql
 create mode 100644 Config/DbConfig.php
 create mode 100644 Enums/StatusEnum.php
 create mode 100644 Locales/en.php
 create mode 100644 Models/BaseModel.php
 create mode 100644 Models/ModelInterface.php
 create mode 100644 Models/User.php
 create mode 100644 Repositories/BaseRepository.php
 create mode 100644 Repositories/RepositoryInterface.php
 create mode 100644 Repositories/UserRepository.php
 create mode 100644 Services/BaseService.php
 create mode 100644 Services/ServiceInterface.php
 create mode 100644 Services/UserService.php
 create mode 100644 composer.json
 create mode 100644 index.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e6d1772
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+vendor
+.idea
+composer.lock
+*.local.*
\ No newline at end of file
diff --git a/App.php b/App.php
new file mode 100644
index 0000000..49335ce
--- /dev/null
+++ b/App.php
@@ -0,0 +1,36 @@
+<?php
+
+use Config\DbConfig;
+use Config\BotConfig;
+use MrMuminov\PhpI18n\I18n;
+
+class App
+{
+    public static DbConfig $database;
+    public static bool $debug = false;
+    public static BotConfig $bot;
+    public static I18n $i18n;
+
+    public function __construct(
+        DbConfig  $database,
+        BotConfig $bot,
+        I18n      $i18n,
+        bool      $debug = false,
+    )
+    {
+        self::$database = $database;
+        self::$bot = $bot;
+        self::$debug = $debug;
+        self::$i18n = $i18n;
+    }
+
+    public static function log(mixed $message): void
+    {
+        @fputs(@fopen('php://stdout', 'a+'), print_r($message, 1) . PHP_EOL);
+    }
+
+    public static function debug(mixed $message): void
+    {
+        @fputs(@fopen('php://stdout', 'a+'), var_export($message, 1) . PHP_EOL);
+    }
+}
\ No newline at end of file
diff --git a/Commands/HelloCommand.php b/Commands/HelloCommand.php
new file mode 100644
index 0000000..869008f
--- /dev/null
+++ b/Commands/HelloCommand.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Commands;
+
+use App;
+use Services\UserService;
+use Longman\TelegramBot\Request;
+use Longman\TelegramBot\Telegram;
+use Longman\TelegramBot\Entities\Update;
+use Longman\TelegramBot\Commands\UserCommand;
+use Longman\TelegramBot\Entities\ServerResponse;
+
+class HelloCommand extends UserCommand
+{
+    protected $name = 'hello';
+    protected $description = 'A command for hello';
+    protected $usage = '/hello';
+    protected $version = '1.0.0';
+
+    protected UserService $userService;
+
+    public function __construct(Telegram $telegram, ?Update $update = null)
+    {
+        $this->userService = new UserService();
+        parent::__construct($telegram, $update);
+    }
+
+    public function execute(): ServerResponse
+    {
+
+        $chat_id = $this->getMessage()->getChat()->getId();
+        $user = $this->userService->getByChatId($chat_id);
+        if ($user === null) {
+            return Request::sendMessage([
+                'chat_id' => $chat_id,
+                'text' => App::$i18n->get("Please, send /start command!"),
+            ]);
+        }
+        $user->step = 'hello';
+        $this->userService->update($user);
+
+        return Request::sendMessage([
+            'chat_id' => $chat_id,
+            'text' => App::$i18n->get("Hello"),
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/Commands/StartCommand.php b/Commands/StartCommand.php
new file mode 100644
index 0000000..c48b0e3
--- /dev/null
+++ b/Commands/StartCommand.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Commands;
+
+use App;
+use Services\UserService;
+use Longman\TelegramBot\Request;
+use Longman\TelegramBot\Telegram;
+use Longman\TelegramBot\Entities\Update;
+use Longman\TelegramBot\Commands\UserCommand;
+use Longman\TelegramBot\Entities\ServerResponse;
+
+class StartCommand extends UserCommand
+{
+    protected $name = 'start';
+    protected $description = 'A command for Start';
+    protected $usage = '/start';
+    protected $version = '1.0.0';
+
+    protected UserService $userService;
+
+    public function __construct(Telegram $telegram, ?Update $update = null)
+    {
+        $this->userService = new UserService();
+        parent::__construct(telegram: $telegram, update: $update);
+    }
+
+    public function execute(): ServerResponse
+    {
+        $chat_id = $this->getMessage()->getChat()->getId();
+        $user = $this->userService->getByChatId($chat_id);
+        if ($user === null) {
+            $this->userService->create(
+                chat_id: $chat_id,
+                step: 'start',
+            );
+            return Request::sendMessage([
+                'chat_id' => $chat_id,
+                'text' => App::$i18n->get("Hello"),
+            ]);
+        }
+        $user->step = 'start';
+        $this->userService->update($user);
+        return Request::sendMessage([
+            'chat_id' => $chat_id,
+            'text' => App::$i18n->get("Home"),
+        ]);
+    }
+}
\ No newline at end of file
diff --git a/Config/BotConfig.php b/Config/BotConfig.php
new file mode 100644
index 0000000..d305817
--- /dev/null
+++ b/Config/BotConfig.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Config;
+
+class BotConfig
+{
+    public function __construct(
+        public string $bot_api_token,
+        public string $bot_username,
+        public string $webhook_url,
+    )
+    {
+    }
+}
\ No newline at end of file
diff --git a/Config/Database/pgsql.sql b/Config/Database/pgsql.sql
new file mode 100644
index 0000000..cfdc92e
--- /dev/null
+++ b/Config/Database/pgsql.sql
@@ -0,0 +1,113 @@
+------------------------------
+-- user table ----------------
+CREATE TABLE IF NOT EXISTS public."user"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    step       VARCHAR,
+    language   VARCHAR(10),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_chat_id_uindex
+    ON public."user" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_status_index
+    ON public."user" (status);
+
+
+------------------------------
+-- user_username table ----------------
+CREATE TABLE IF NOT EXISTS public."user_username"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_username_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    username   VARCHAR(32),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_username_chat_id_uindex
+    ON public."user_username" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_username_status_index
+    ON public."user_username" (status);
+
+
+------------------------------
+-- user_first_name table ----------------
+CREATE TABLE IF NOT EXISTS public."user_first_name"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_first_name_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    first_name VARCHAR(64),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_first_name_chat_id_uindex
+    ON public."user_first_name" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_first_name_status_index
+    ON public."user_first_name" (status);
+
+
+------------------------------
+-- user_last_name table ----------------
+CREATE TABLE IF NOT EXISTS public."user_last_name"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_last_name_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    last_name  VARCHAR(64),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_last_name_chat_id_uindex
+    ON public."user_last_name" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_last_name_status_index
+    ON public."user_last_name" (status);
+
+
+------------------------------
+-- user_bio table ----------------
+CREATE TABLE IF NOT EXISTS public."user_bio"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_bio_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    bio        VARCHAR(200),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_bio_chat_id_uindex
+    ON public."user_bio" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_bio_status_index
+    ON public."user_bio" (status);
+
+
+------------------------------
+-- user_phone table ----------------
+CREATE TABLE IF NOT EXISTS public."user_phone"
+(
+    id         BIGSERIAL                NOT NULL
+        CONSTRAINT user_phone_pk PRIMARY KEY,
+    chat_id    BIGINT                   NOT NULL,
+    phone      VARCHAR(20),
+    status     VARCHAR DEFAULT 'ACTIVE' NOT NULL,
+    created_at INTEGER                  NOT NULL
+);
+
+CREATE UNIQUE INDEX IF NOT EXISTS user_phone_chat_id_uindex
+    ON public."user_phone" (chat_id);
+
+CREATE INDEX IF NOT EXISTS user_phone_status_index
+    ON public."user_phone" (status);
diff --git a/Config/DbConfig.php b/Config/DbConfig.php
new file mode 100644
index 0000000..f7a1251
--- /dev/null
+++ b/Config/DbConfig.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Config;
+
+use PDO;
+
+class DbConfig
+{
+    public static PDO $pdo;
+
+    public function __construct(
+        public string $schema = 'pgsql',
+        public string $host = 'localhost',
+        public int    $port = 5432,
+        public string $username = 'postgres',
+        public string $password = '',
+        public string $dbname = '',
+        public string $charset = 'utf8',
+    )
+    {
+        self::$pdo = new PDO(
+            dsn: $this->schema . ':' .
+            'host=' . $this->host . ';' .
+            'port=' . $this->port . ';' .
+            'dbname=' . $this->dbname . ';',
+            username: $this->username,
+            password: $this->password,
+        );
+    }
+}
\ No newline at end of file
diff --git a/Enums/StatusEnum.php b/Enums/StatusEnum.php
new file mode 100644
index 0000000..7f63365
--- /dev/null
+++ b/Enums/StatusEnum.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Enums;
+
+enum StatusEnum: string
+{
+    case ACTIVE = 'ACTIVE';
+    case INACTIVE = 'INACTIVE';
+    case DELETED = 'DELETED';
+
+    public function label(): string
+    {
+        return StatusEnum::getLabel($this);
+    }
+
+    public static function getLabel(self $value): string
+    {
+        return match ($value) {
+            StatusEnum::ACTIVE => 'ACTIVE',
+            StatusEnum::INACTIVE => 'INACTIVE',
+            StatusEnum::DELETED => 'DELETED',
+        };
+    }
+}
diff --git a/Locales/en.php b/Locales/en.php
new file mode 100644
index 0000000..75eb8f0
--- /dev/null
+++ b/Locales/en.php
@@ -0,0 +1,9 @@
+<?php
+
+return [
+    'code' => 'en',
+    'language' => 'English',
+    'Hello' => 'Hello',
+    'Home' => 'Home',
+    'Please, send /start command!' => 'Please, send /start command!',
+];
\ No newline at end of file
diff --git a/Models/BaseModel.php b/Models/BaseModel.php
new file mode 100644
index 0000000..c240ad5
--- /dev/null
+++ b/Models/BaseModel.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Models;
+
+abstract class BaseModel implements ModelInterface
+{
+    public bool $is_new = false;
+}
\ No newline at end of file
diff --git a/Models/ModelInterface.php b/Models/ModelInterface.php
new file mode 100644
index 0000000..96d55aa
--- /dev/null
+++ b/Models/ModelInterface.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Models;
+
+interface ModelInterface
+{
+    public static function tableName(): string;
+
+    public function attributes(): array;
+}
\ No newline at end of file
diff --git a/Models/User.php b/Models/User.php
new file mode 100644
index 0000000..c9110b5
--- /dev/null
+++ b/Models/User.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Models;
+
+
+use Enums\StatusEnum;
+
+class User extends BaseModel
+{
+    public ?int $id;
+    public int $chat_id;
+    public ?string $step;
+    public ?string $language;
+    public string $status;
+    public int $created_at;
+
+    public static function create(
+        int        $chat_id,
+        ?int       $id = null,
+        ?string    $step = null,
+        ?string    $language = null,
+        ?int       $created_at = null,
+        StatusEnum $status = StatusEnum::ACTIVE,
+    ): User
+    {
+        $model = new self();
+        if (!empty($id)) {
+            $model->id = $id;
+            $model->is_new = false;
+        }
+        $model->chat_id = $chat_id;
+        $model->step = $step;
+        $model->language = $language;
+        $model->status = $status->label();
+        $model->created_at = $created_at;
+        return $model;
+    }
+
+    public function attributes(): array
+    {
+        return [
+            'id' => $this->id,
+            'chat_id' => $this->chat_id,
+            'step' => $this->step,
+            'language' => $this->language,
+            'status' => $this->status,
+            'created_at' => $this->created_at,
+        ];
+    }
+
+    public static function tableName(): string
+    {
+        return 'user';
+    }
+}
\ No newline at end of file
diff --git a/Repositories/BaseRepository.php b/Repositories/BaseRepository.php
new file mode 100644
index 0000000..ab54931
--- /dev/null
+++ b/Repositories/BaseRepository.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Repositories;
+
+use PDO;
+use App;
+use PDOException;
+
+abstract class BaseRepository implements RepositoryInterface
+{
+
+    public function __construct()
+    {
+    }
+
+    public static function afterDelete(): void
+    {
+    }
+
+    public static function afterSave(): void
+    {
+    }
+
+    public static function beforeDelete(): void
+    {
+    }
+
+    public static function beforeSave(): void
+    {
+    }
+
+    protected function _insert($tableName, $columns): void
+    {
+        $keys = '';
+        $values = '';
+        $params = [];
+        foreach ($columns as $key => $value) {
+            if (empty($value)) {
+                continue;
+            }
+            $params[':' . $key] = $value;
+            $keys .= ', "' . $key . '"';
+            $values .= ', :' . $key;
+        }
+        $sql = 'INSERT INTO "' . $tableName . '" (' . ltrim($keys, ', ') . ') VALUES (' . ltrim($values, ', ') . ')';
+        $stmt = App::$database::$pdo->prepare($sql);
+        $stmt->execute($params);
+    }
+
+    protected function _update($tableName, $columns, $conditions): void
+    {
+        $values = '';
+        $params = [];
+        $conditionSql = '';
+        foreach ($conditions as $key => $value) {
+            $conditionSql.= ', ' . $key . ' = :' . $key;
+            $params[':' . $key] = $value;
+        }
+        foreach ($columns as $key => $value) {
+            if (empty($value)) {
+                continue;
+            }
+            $params[':' . $key] = $value;
+            $values .= ', "' . $key . '" = :' . $key;
+        }
+        $sql = 'UPDATE "' . $tableName . '" SET ' . ltrim($values, ', ') . ' WHERE ' . ltrim($conditionSql, ', ');
+        $stmt = App::$database::$pdo->prepare($sql);
+        $stmt->execute($params);
+    }
+}
\ No newline at end of file
diff --git a/Repositories/RepositoryInterface.php b/Repositories/RepositoryInterface.php
new file mode 100644
index 0000000..3cc8b3d
--- /dev/null
+++ b/Repositories/RepositoryInterface.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Repositories;
+
+use Models\BaseModel;
+
+interface RepositoryInterface
+{
+    public static function beforeSave(): void;
+
+    public static function afterSave(): void;
+
+    public static function beforeDelete(): void;
+
+    public static function afterDelete(): void;
+
+    public function save(self $model);
+
+    public function delete(self $model);
+}
\ No newline at end of file
diff --git a/Repositories/UserRepository.php b/Repositories/UserRepository.php
new file mode 100644
index 0000000..d9f462a
--- /dev/null
+++ b/Repositories/UserRepository.php
@@ -0,0 +1,111 @@
+<?php
+
+namespace Repositories;
+
+use PDO;
+use App;
+use Models\User;
+use PDOStatement;
+use Enums\StatusEnum;
+
+class UserRepository extends BaseRepository
+{
+    public function __construct()
+    {
+        parent::__construct();
+    }
+
+    public function delete(User|RepositoryInterface $model)
+    {
+        $this->beforeDelete();
+        $this->afterDelete();
+    }
+
+    public function save(User|RepositoryInterface $model): void
+    {
+        $this->beforeSave();
+        if ($model->is_new) {
+            $this->_insert(User::tableName(), $model->attributes());
+            $model->id = App::$database::$pdo->lastInsertId();
+            $model->is_new = false;
+        } else {
+            $columns = $model->attributes();
+            unset($columns['id']);
+            $this->_update(User::tableName(), $columns, [
+                'id' => $model->id,
+            ]);
+        }
+        $this->afterSave();
+    }
+
+    public function getById(int $id): ?User
+    {
+        return $this->getOneBy([
+            'id' => $id,
+        ]);
+    }
+
+    private function getOneBy(array $conditions, string $select = '*'): ?User
+    {
+        $stmt = $this->createSelectQuery($conditions, $select);
+        $stmt->execute();
+        $fetched = $stmt->fetch(PDO::FETCH_ASSOC);
+        if (empty($fetched)) {
+            return null;
+        }
+        return User::create(
+            chat_id: $fetched['chat_id'],
+            id: $fetched['id'],
+            step: $fetched['step'],
+            language: $fetched['language'],
+            created_at: $fetched['created_at'],
+            status: StatusEnum::from($fetched['status']),
+        );
+    }
+
+    private function createSelectQuery(array $conditions, string $select): PDOStatement|false
+    {
+        $conditionSql = '';
+        foreach ($conditions as $key => $value) {
+            $conditionSql .= $key . ' = :' . $key;
+        }
+        if (empty($select)) {
+            $select = '*';
+        }
+        $sql = 'SELECT ' . $select . ' FROM "' . User::tableName() . '" WHERE ' . $conditionSql;
+        $stmt = App::$database::$pdo->prepare($sql);
+        foreach ($conditions as $key => $value) {
+            $stmt->bindParam(":" . $key, $value);
+        }
+        return $stmt;
+    }
+
+    public function getByChatId(int $chat_id): ?User
+    {
+        return $this->getOneBy([
+            'chat_id' => $chat_id,
+        ]);
+    }
+
+    private function getManyBy(array $conditions, string $select = '*'): array
+    {
+        $stmt = $this->createSelectQuery($conditions, $select);
+        $stmt->execute();
+        $fetched = $stmt->fetchAll(PDO::FETCH_ASSOC);
+        if (empty($fetched)) {
+            return [];
+        }
+        $result = [];
+        foreach ($fetched as $item) {
+            $result[] = User::create(
+                chat_id: $item['chat_id'],
+                id: $item['id'],
+                step: $item['step'],
+                language: $item['language'],
+                created_at: $item['created_at'],
+                status: $item['status'],
+            );
+        }
+        return $result;
+    }
+}
\ No newline at end of file
diff --git a/Services/BaseService.php b/Services/BaseService.php
new file mode 100644
index 0000000..ea02284
--- /dev/null
+++ b/Services/BaseService.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Services;
+
+abstract class BaseService implements ServiceInterface
+{
+
+}
\ No newline at end of file
diff --git a/Services/ServiceInterface.php b/Services/ServiceInterface.php
new file mode 100644
index 0000000..2868f3f
--- /dev/null
+++ b/Services/ServiceInterface.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Services;
+
+interface ServiceInterface
+{
+
+}
\ No newline at end of file
diff --git a/Services/UserService.php b/Services/UserService.php
new file mode 100644
index 0000000..b76cc45
--- /dev/null
+++ b/Services/UserService.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Services;
+
+use Models\User;
+use Enums\StatusEnum;
+use Repositories\UserRepository;
+
+class UserService extends BaseService
+{
+    public UserRepository $userRepository;
+
+    public function __construct()
+    {
+        $this->userRepository = new UserRepository();
+    }
+
+    public function create(
+        int        $chat_id,
+        ?string    $step = null,
+        ?string    $language = null,
+        StatusEnum $status = StatusEnum::ACTIVE,
+    )
+    {
+        $user = User::create(
+            chat_id: $chat_id,
+            step: $step,
+            language: $language,
+            created_at: time(),
+            status: $status,
+        );
+        $this->userRepository->save($user);
+    }
+
+    public function getById(int $id): ?User
+    {
+        return $this->userRepository->getById($id);
+    }
+
+    public function getByChatId(int $chat_id): ?User
+    {
+        return $this->userRepository->getByChatId($chat_id);
+    }
+
+    public function update(User $user)
+    {
+        $this->userRepository->save($user);
+    }
+}
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..e0e7fe4
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,22 @@
+{
+  "require": {
+    "php": ">=8.1",
+    "ext-pdo": "*",
+    "ext-json": "*",
+    "longman/telegram-bot": "^0.78.0",
+    "mrmuminov/php-i18n": "^1.3"
+  },
+  "autoload": {
+    "psr-4": {
+      "Enums\\": "Enums\\",
+      "Config\\": "Config\\",
+      "Models\\": "Models\\",
+      "Services\\": "Services\\",
+      "Commands\\": "Commands\\",
+      "Repositories\\": "Repositories\\"
+    },
+    "files": [
+      "App.php"
+    ]
+  }
+}
diff --git a/index.php b/index.php
new file mode 100644
index 0000000..6861fb7
--- /dev/null
+++ b/index.php
@@ -0,0 +1,47 @@
+<?php
+
+use Config\DbConfig;
+use Config\BotConfig;
+use Commands\HelloCommand;
+use Commands\StartCommand;
+use MrMuminov\PhpI18n\I18n;
+use Longman\TelegramBot\Telegram;
+use Longman\TelegramBot\Exception\TelegramException;
+
+require __DIR__ . '/vendor/autoload.php';
+(new App(
+    database: new DbConfig(
+        username: "postgres",
+        password: "",
+        dbname: "<db-name>"
+    ),
+    bot: new BotConfig(
+        bot_api_token: '<bot-api-token>',
+        bot_username: '<bot-username>',
+        webhook_url: "<webhook_url>",
+    ),
+    i18n: new I18n([
+        'path' => __DIR__ . '/Locales',
+        'languages' => ['en'],
+        'language' => 'en',
+    ]),
+    debug: true,
+));
+
+if (App::$debug) {
+    ini_set('display_errors', 1);
+    error_reporting(E_ALL);
+}
+
+try {
+    $telegram = new Telegram(App::$bot->bot_api_token, App::$bot->bot_username);
+
+    $telegram->addCommandClasses([
+        StartCommand::class,
+        HelloCommand::class,
+    ]);
+
+    $telegram->handle();
+} catch (TelegramException $e) {
+
+}
\ No newline at end of file