Client::send() - Code Metrics - Inspection of "Update dependencies and refactor main application..." - php-telegram-bot/core - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — feature/refactor-app-design ( d959a3 )

by Avtandil
created 2018-04-21 13:55 UTC
Client::send() B

↳ Parent: Client
Complexity

Conditions	3
Paths	3
Size

Total Lines	25
Code Lines	13
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	0
CRAP Score	12
Importance

Changes
Metric	Value
dl	0
loc	25
ccs	0
cts	13
cp	0
rs	8.8571
c	0
b	0
f	0
cc	3
eloc	13
nc	3
nop	2
crap	12
<?php
/**
 * This file is part of the TelegramBot package.
 *
 * (c) Avtandil Kikabidze aka LONGMAN <[email protected]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Longman\TelegramBot\Http;

use GuzzleHttp\Client as GuzzleClient;
use GuzzleHttp\Exception\RequestException;
use Longman\TelegramBot\DB;
use Longman\TelegramBot\Entities\File;
use Longman\TelegramBot\Exception\TelegramException;
use Longman\TelegramBot\Telegram;
use Longman\TelegramBot\TelegramLog;

/**
 * Class Request
 *
 * @method static ServerResponse getUpdates(array $data)              Use this method to receive incoming updates using long polling (wiki). An Array of Update
 *     objects is returned.
 * @method static ServerResponse setWebhook(array $data)              Use this method to specify a url and receive incoming updates via an outgoing webhook.
 *     Whenever there is an update for the bot, we will send an HTTPS POST request to the specified url, containing a JSON-serialized Update. In case of an
 *     unsuccessful request, we will give up after a reasonable amount of attempts. Returns true.
 * @method static ServerResponse deleteWebhook()                      Use this method to remove webhook integration if you decide to switch back to getUpdates.
 *     Returns True on success. Requires no parameters.
 * @method static ServerResponse getWebhookInfo()                     Use this method to get current webhook status. Requires no parameters. On success,
 *     returns a WebhookInfo object. If the bot is using getUpdates, will return an object with the url field empty.
 * @method static ServerResponse getMe()                              A simple method for testing your bot's auth token. Requires no parameters. Returns basic
 *     information about the bot in form of a User object.
 * @method static ServerResponse forwardMessage(array $data)          Use this method to forward messages of any kind. On success, the sent Message is
 *     returned.
 * @method static ServerResponse sendPhoto(array $data)               Use this method to send photos. On success, the sent Message is returned.
 * @method static ServerResponse sendAudio(array $data)               Use this method to send audio files, if you want Telegram clients to display them in the
 *     music player. Your audio must be in the .mp3 format. On success, the sent Message is returned. Bots can currently send audio files of up to 50 MB in
 *     size, this limit may be changed in the future.
 * @method static ServerResponse sendDocument(array $data)            Use this method to send general files. On success, the sent Message is returned. Bots can
 *     currently send files of any type of up to 50 MB in size, this limit may be changed in the future.
 * @method static ServerResponse sendSticker(array $data)             Use this method to send .webp stickers. On success, the sent Message is returned.
 * @method static ServerResponse sendVideo(array $data)               Use this method to send video files, Telegram clients support mp4 videos (other formats
 *     may be sent as Document). On success, the sent Message is returned. Bots can currently send video files of up to 50 MB in size, this limit may be
 *     changed in the future.
 * @method static ServerResponse sendVoice(array $data)               Use this method to send audio files, if you want Telegram clients to display the file as
 *     a playable voice message. For this to work, your audio must be in an .ogg file encoded with OPUS (other formats may be sent as Audio or Document). On
 *     success, the sent Message is returned. Bots can currently send voice messages of up to 50 MB in size, this limit may be changed in the future.
 * @method static ServerResponse sendVideoNote(array $data)           Use this method to send video messages. On success, the sent Message is returned.
 * @method static ServerResponse sendMediaGroup(array $data)          Use this method to send a group of photos or videos as an album. On success, an array of
 *     the sent Messages is returned.
 * @method static ServerResponse sendLocation(array $data)            Use this method to send point on the map. On success, the sent Message is returned.
 * @method static ServerResponse editMessageLiveLocation(array $data) Use this method to edit live location messages sent by the bot or via the bot (for inline
 *     bots). A location can be edited until its live_period expires or editing is explicitly disabled by a call to stopMessageLiveLocation. On success, if the
 *     edited message was sent by the bot, the edited Message is returned, otherwise True is returned.
 * @method static ServerResponse stopMessageLiveLocation(array $data) Use this method to stop updating a live location message sent by the bot or via the bot
 *     (for inline bots) before live_period expires. On success, if the message was sent by the bot, the sent Message is returned, otherwise True is returned.
 * @method static ServerResponse sendVenue(array $data)               Use this method to send information about a venue. On success, the sent Message is
 *     returned.
 * @method static ServerResponse sendContact(array $data)             Use this method to send phone contacts. On success, the sent Message is returned.
 * @method static ServerResponse sendChatAction(array $data)          Use this method when you need to tell the user that something is happening on the bot's
 *     side. The status is set for 5 seconds or less (when a message arrives from your bot, Telegram clients clear its typing status). Returns True on success.
 * @method static ServerResponse getUserProfilePhotos(array $data)    Use this method to get a list of profile pictures for a user. Returns a UserProfilePhotos
 *     object.
 * @method static ServerResponse getFile(array $data)                 Use this method to get basic info about a file and prepare it for downloading. For the
 *     moment, bots can download files of up to 20MB in size. On success, a File object is returned. The file can then be downloaded via the link
 *     https://api.telegram.org/file/bot<token>/<file_path>, where <file_path> is taken from the response. It is guaranteed that the link will be valid for at
 *     least 1 hour. When the link expires, a new one can be requested by calling getFile again.
 * @method static ServerResponse kickChatMember(array $data)          Use this method to kick a user from a group, a supergroup or a channel. In the case of
 *     supergroups and channels, the user will not be able to return to the group on their own using invite links, etc., unless unbanned first. The bot must be
 *     an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
 * @method static ServerResponse unbanChatMember(array $data)         Use this method to unban a previously kicked user in a supergroup or channel. The user
 *     will not return to the group or channel automatically, but will be able to join via link, etc. The bot must be an administrator for this to work.
 *     Returns True on success.
 * @method static ServerResponse restrictChatMember(array $data)      Use this method to restrict a user in a supergroup. The bot must be an administrator in
 *     the supergroup for this to work and must have the appropriate admin rights. Pass True for all boolean parameters to lift restrictions from a user.
 *     Returns True on success.
 * @method static ServerResponse promoteChatMember(array $data)       Use this method to promote or demote a user in a supergroup or a channel. The bot must be
 *     an administrator in the chat for this to work and must have the appropriate admin rights. Pass False for all boolean parameters to demote a user.
 *     Returns True on success.
 * @method static ServerResponse exportChatInviteLink(array $data)    Use this method to export an invite link to a supergroup or a channel. The bot must be an
 *     administrator in the chat for this to work and must have the appropriate admin rights. Returns exported invite link as String on success.
 * @method static ServerResponse setChatPhoto(array $data)            Use this method to set a new profile photo for the chat. Photos can't be changed for
 *     private chats. The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
 * @method static ServerResponse deleteChatPhoto(array $data)         Use this method to delete a chat photo. Photos can't be changed for private chats. The
 *     bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
 * @method static ServerResponse setChatTitle(array $data)            Use this method to change the title of a chat. Titles can't be changed for private chats.
 *     The bot must be an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
 * @method static ServerResponse setChatDescription(array $data)      Use this method to change the description of a supergroup or a channel. The bot must be
 *     an administrator in the chat for this to work and must have the appropriate admin rights. Returns True on success.
 * @method static ServerResponse pinChatMessage(array $data)          Use this method to pin a message in a supergroup or a channel. The bot must be an
 *     administrator in the chat for this to work and must have the ‘can_pin_messages’ admin right in the supergroup or ‘can_edit_messages’ admin right in the
 *     channel. Returns True on success.
 * @method static ServerResponse unpinChatMessage(array $data)        Use this method to unpin a message in a supergroup or a channel. The bot must be an
 *     administrator in the chat for this to work and must have the ‘can_pin_messages’ admin right in the supergroup or ‘can_edit_messages’ admin right in the
 *     channel. Returns True on success.
 * @method static ServerResponse leaveChat(array $data)               Use this method for your bot to leave a group, supergroup or channel. Returns True on
 *     success.
 * @method static ServerResponse getChat(array $data)                 Use this method to get up to date information about the chat (current name of the user
 *     for one-on-one conversations, current username of a user, group or channel, etc.). Returns a Chat object on success.
 * @method static ServerResponse getChatAdministrators(array $data)   Use this method to get a list of administrators in a chat. On success, returns an Array
 *     of ChatMember objects that contains information about all chat administrators except other bots. If the chat is a group or a supergroup and no
 *     administrators were appointed, only the creator will be returned.
 * @method static ServerResponse getChatMembersCount(array $data)     Use this method to get the number of members in a chat. Returns Int on success.
 * @method static ServerResponse getChatMember(array $data)           Use this method to get information about a member of a chat. Returns a ChatMember object
 *     on success.
 * @method static ServerResponse setChatStickerSet(array $data)       Use this method to set a new group sticker set for a supergroup. The bot must be an
 *     administrator in the chat for this to work and must have the appropriate admin rights. Use the field can_set_sticker_set optionally returned in getChat
 *     requests to check if the bot can use this method. Returns True on success.
 * @method static ServerResponse deleteChatStickerSet(array $data)    Use this method to delete a group sticker set from a supergroup. The bot must be an
 *     administrator in the chat for this to work and must have the appropriate admin rights. Use the field can_set_sticker_set optionally returned in getChat
 *     requests to check if the bot can use this method. Returns True on success.
 * @method static ServerResponse answerCallbackQuery(array $data)     Use this method to send answers to callback queries sent from inline keyboards. The
 *     answer will be displayed to the user as a notification at the top of the chat screen or as an alert. On success, True is returned.
 * @method static ServerResponse answerInlineQuery(array $data)       Use this method to send answers to an inline query. On success, True is returned.
 * @method static ServerResponse editMessageText(array $data)         Use this method to edit text and game messages sent by the bot or via the bot (for inline
 *     bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
 * @method static ServerResponse editMessageCaption(array $data)      Use this method to edit captions of messages sent by the bot or via the bot (for inline
 *     bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
 * @method static ServerResponse editMessageReplyMarkup(array $data)  Use this method to edit only the reply markup of messages sent by the bot or via the bot
 *     (for inline bots). On success, if edited message is sent by the bot, the edited Message is returned, otherwise True is returned.
 * @method static ServerResponse deleteMessage(array $data)           Use this method to delete a message, including service messages, with certain
 *     limitations. Returns True on success.
 * @method static ServerResponse getStickerSet(array $data)           Use this method to get a sticker set. On success, a StickerSet object is returned.
 * @method static ServerResponse uploadStickerFile(array $data)       Use this method to upload a .png file with a sticker for later use in createNewStickerSet
 *     and addStickerToSet methods (can be used multiple times). Returns the uploaded File on success.
 * @method static ServerResponse createNewStickerSet(array $data)     Use this method to create new sticker set owned by a user. The bot will be able to edit
 *     the created sticker set. Returns True on success.
 * @method static ServerResponse addStickerToSet(array $data)         Use this method to add a new sticker to a set created by the bot. Returns True on
 *     success.
 * @method static ServerResponse setStickerPositionInSet(array $data) Use this method to move a sticker in a set created by the bot to a specific position.
 *     Returns True on success.
 * @method static ServerResponse deleteStickerFromSet(array $data)    Use this method to delete a sticker from a set created by the bot. Returns True on
 *     success.
 * @method static ServerResponse sendInvoice(array $data)             Use this method to send invoices. On success, the sent Message is returned.
 * @method static ServerResponse answerShippingQuery(array $data)     If you sent an invoice requesting a shipping address and the parameter is_flexible was
 *     specified, the Bot API will send an Update with a shipping_query field to the bot. Use this method to reply to shipping queries. On success, True is
 *     returned.
 * @method static ServerResponse answerPreCheckoutQuery(array $data)  Once the user has confirmed their payment and shipping details, the Bot API sends the
 *     final confirmation in the form of an Update with the field pre_checkout_query. Use this method to respond to such pre-checkout queries. On success, True
 *     is returned.
 */
class Client
{
    /**
     * Telegram object
     *
     * @var \Longman\TelegramBot\Telegram
     */
    private static $telegram;

    /**
     * URI of the Telegram API
     *
     * @var string
     */
    private static $api_base_uri = 'https://api.telegram.org';

    /**
     * Guzzle Client object
     *
     * @var \GuzzleHttp\Client
     */
    private static $client;

    /**
     * Input value of the request
     *
     * @var string
     */
    private static $input;

    /**
     * Request limiter
     *
     * @var boolean
     */
    private static $limiter_enabled;

    /**
     * Request limiter's interval between checks
     *
     * @var float
     */
    private static $limiter_interval;

    /**
     * Available actions to send
     *
     * This is basically the list of all methods listed on the official API documentation.
     *
     * @link https://core.telegram.org/bots/api
     *
     * @var array
     */
    private static $actions = [
        'getUpdates',
        'setWebhook',
        'deleteWebhook',
        'getWebhookInfo',
        'getMe',
        'sendMessage',
        'forwardMessage',
        'sendPhoto',
        'sendAudio',
        'sendDocument',
        'sendSticker',
        'sendVideo',
        'sendVoice',
        'sendVideoNote',
        'sendMediaGroup',
        'sendLocation',
        'editMessageLiveLocation',
        'stopMessageLiveLocation',
        'sendVenue',
        'sendContact',
        'sendChatAction',
        'getUserProfilePhotos',
        'getFile',
        'kickChatMember',
        'unbanChatMember',
        'restrictChatMember',
        'promoteChatMember',
        'exportChatInviteLink',
        'setChatPhoto',
        'deleteChatPhoto',
        'setChatTitle',
        'setChatDescription',
        'pinChatMessage',
        'unpinChatMessage',
        'leaveChat',
        'getChat',
        'getChatAdministrators',
        'getChatMembersCount',
        'getChatMember',
        'setChatStickerSet',
        'deleteChatStickerSet',
        'answerCallbackQuery',
        'answerInlineQuery',
        'editMessageText',
        'editMessageCaption',
        'editMessageReplyMarkup',
        'deleteMessage',
        'getStickerSet',
        'uploadStickerFile',
        'createNewStickerSet',
        'addStickerToSet',
        'setStickerPositionInSet',
        'deleteStickerFromSet',
        'sendInvoice',
        'answerShippingQuery',
        'answerPreCheckoutQuery',
    ];

    /**
     * Some methods need a dummy param due to certain cURL issues.
     *
     * @see Client::addDummyParamIfNecessary()
     *
     * @var array
     */
    private static $actions_need_dummy_param = [
        'deleteWebhook',
        'getWebhookInfo',
        'getMe',
    ];

    /**
     * Initialize
     *
     * @param \Longman\TelegramBot\Telegram $telegram
     *
     * @throws TelegramException
     */
    public static function initialize(Telegram $telegram)
    {
        if (! ($telegram instanceof Telegram)) {
            throw new TelegramException('Invalid Telegram pointer!');
        }

        self::$telegram = $telegram;
        self::setClient(new GuzzleClient(['base_uri' => self::$api_base_uri]));
    }

    /**
     * Set a custom Guzzle HTTP Client object
     *
     * @param Client $client
     *
     * @throws TelegramException
     */
    public static function setClient(GuzzleClient $client)
    {
        if (! ($client instanceof GuzzleClient)) {
            throw new TelegramException('Invalid GuzzleHttp\Client pointer!');
        }

        self::$client = $client;
    }

    /**
     * Set input from custom input or stdin and return it
     *
     * @return string
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function getInput()
    {
        // First check if a custom input has been set, else get the PHP input.
        if (! ($input = self::$telegram->getCustomInput())) {
            $input = file_get_contents('php://input');
        }

        // Make sure we have a string to work with.
        if (! is_string($input)) {
            throw new TelegramException('Input must be a string!');
        }

        self::$input = $input;

        TelegramLog::update(self::$input);

        return self::$input;
    }

    /**
     * Generate general fake server response
     *
     * @param array $data Data to add to fake response
     *
     * @return array Fake response data
     */
    public static function generateGeneralFakeServerResponse(array $data = [])
    {
        //PARAM BINDED IN PHPUNIT TEST FOR TestServerResponse.php
        //Maybe this is not the best possible implementation

        //No value set in $data ie testing setWebhook
        //Provided $data['chat_id'] ie testing sendMessage

        $fake_response = ['ok' => true]; // :)

        if ($data === []) {
            $fake_response['result'] = true;
        }

        //some data to let iniatilize the class method SendMessage
        if (isset($data['chat_id'])) {
            $data['message_id'] = '1234';
            $data['date'] = '1441378360';
            $data['from'] = [
                'id'         => 123456789,
                'first_name' => 'botname',
                'username'   => 'namebot',
            ];
            $data['chat'] = ['id' => $data['chat_id']];

            $fake_response['result'] = $data;
        }

        return $fake_response;
    }

    /**
     * Properly set up the request params
     *
     * If any item of the array is a resource, reformat it to a multipart request.
     * Else, just return the passed data as form params.
     *
     * @param array $data
     *
     * @return array
     */
    private static function setUpRequestParams(array $data)
    {
        $has_resource = false;
        $multipart = [];

        // Convert any nested arrays into JSON strings.
        array_walk($data, function (&$item) {
            is_array($item) && $item = json_encode($item);
        });

        //Reformat data array in multipart way if it contains a resource
        foreach ($data as $key => $item) {
            $has_resource |= (is_resource($item) || $item instanceof \GuzzleHttp\Psr7\Stream);
            $multipart[] = ['name' => $key, 'contents' => $item];
        }
        if ($has_resource) {
            return ['multipart' => $multipart];
        }

        return ['form_params' => $data];
    }

    /**
     * Execute HTTP Request
     *
     * @param string $action Action to execute
     * @param array $data Data to attach to the execution
     *
     * @return string Result of the HTTP Request
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function execute($action, array $data = [])
    {
        //Fix so that the keyboard markup is a string, not an object
        if (isset($data['reply_markup'])) {
            $data['reply_markup'] = json_encode($data['reply_markup']);
        }

        $result = null;
        $request_params = self::setUpRequestParams($data);
        $request_params['debug'] = TelegramLog::getDebugLogTempStream();

        try {
            $response = self::$client->post(
                '/bot' . self::$telegram->getApiKey() . '/' . $action,
                $request_params
            );
            $result = (string) $response->getBody();

            //Logging getUpdates Update
            if ($action === 'getUpdates') {
                TelegramLog::update($result);
            }
        } catch (RequestException $e) {
            $result = ($e->getResponse()) ? (string) $e->getResponse()->getBody() : '';
        } finally {
            //Logging verbose debug output
            TelegramLog::endDebugLogTempStream('Verbose HTTP Request output:' . PHP_EOL . '%s' . PHP_EOL);
        }

        return $result;
    }

    /**
     * Download file
     *
     * @param \Longman\TelegramBot\Entities\File $file
     *
     * @return boolean
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function downloadFile(File $file)
    {
        if (empty($download_path = self::$telegram->getDownloadPath())) {
            throw new TelegramException('Download path not set!');
        }

        $tg_file_path = $file->getFilePath();
        $file_path = $download_path . '/' . $tg_file_path;

        $file_dir = dirname($file_path);
        //For safety reasons, first try to create the directory, then check that it exists.
        //This is in case some other process has created the folder in the meantime.
        if (! @mkdir($file_dir, 0755, true) && ! is_dir($file_dir)) {
            throw new TelegramException('Directory ' . $file_dir . ' can\'t be created');
        }

        $debug_handle = TelegramLog::getDebugLogTempStream();

        try {
            self::$client->get(
                '/file/bot' . self::$telegram->getApiKey() . '/' . $tg_file_path,
                ['debug' => $debug_handle, 'sink' => $file_path]
            );

            return filesize($file_path) > 0;
        } catch (RequestException $e) {
            return ($e->getResponse()) ? (string) $e->getResponse()->getBody() : '';
        } finally {
            //Logging verbose debug output
            TelegramLog::endDebugLogTempStream('Verbose HTTP File Download Request output:' . PHP_EOL . '%s' . PHP_EOL);
        }
    }

    /**
     * Encode file
     *
     * @param string $file
     *
     * @return resource
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function encodeFile($file)
    {
        $fp = fopen($file, 'rb');
        if ($fp === false) {
            throw new TelegramException('Cannot open "' . $file . '" for reading');
        }

        return $fp;
    }

    /**
     * Send command
     *
     * @todo Fake response doesn't need json encoding?
     * @todo Write debug entry on failure
     *
     * @param string $action
     * @param array $data
     *
     * @return \Longman\TelegramBot\Http\ServerResponse
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function send($action, array $data = [])
    {
        self::ensureValidAction($action);
        self::addDummyParamIfNecessary($action, $data);

        $bot_username = self::$telegram->getBotUsername();

        if (defined('PHPUNIT_TESTSUITE')) {
            $fake_response = self::generateGeneralFakeServerResponse($data);

            return new ServerResponse($fake_response, $bot_username);
        }

        self::ensureNonEmptyData($data);

        self::limitTelegramRequests($action, $data);

        $response = json_decode(self::execute($action, $data), true);

        if (null === $response) {
            throw new TelegramException('Telegram returned an invalid response! Please review your bot name and API key.');
        }

        return new ServerResponse($response, $bot_username);
    }

    /**
     * Add a dummy parameter if the passed action requires it.
     *
     * If a method doesn't require parameters, we need to add a dummy one anyway,
     * because of some cURL version failed POST request without parameters.
     *
     * @link https://github.com/php-telegram-bot/core/pull/228
     *
     * @todo Would be nice to find a better solution for this!
     *
     * @param string $action
     * @param array $data
     */
    protected static function addDummyParamIfNecessary($action, array &$data)
    {
        if (in_array($action, self::$actions_need_dummy_param, true)) {
            // Can be anything, using a single letter to minimise request size.
            $data = ['d'];
        }
    }

    /**
     * Make sure the data isn't empty, else throw an exception
     *
     * @param array $data
     *
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    private static function ensureNonEmptyData(array $data)
    {
        if (count($data) === 0) {
            throw new TelegramException('Data is empty!');
        }
    }

    /**
     * Make sure the action is valid, else throw an exception
     *
     * @param string $action
     *
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    private static function ensureValidAction($action)
    {
        if (! in_array($action, self::$actions, true)) {
            throw new TelegramException('The action "' . $action . '" doesn\'t exist!');
        }
    }

    /**
     * Use this method to send text messages. On success, the sent Message is returned
     *
     * @link https://core.telegram.org/bots/api#sendmessage
     *
     * @param array $data
     *
     * @return \Longman\TelegramBot\Http\ServerResponse
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function sendMessage(array $data)
    {
        $text = $data['text'];

        do {
            //Chop off and send the first message
            $data['text'] = mb_substr($text, 0, 4096);
            $response = self::send('sendMessage', $data);

            //Prepare the next message
            $text = mb_substr($text, 4096);
        } while (mb_strlen($text, 'UTF-8') > 0);

        return $response;
    }

    /**
     * Any statically called method should be relayed to the `send` method.
     *
     * @param string $action
     * @param array $data
     *
     * @return \Longman\TelegramBot\Http\ServerResponse
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function __callStatic($action, array $data)
    {
        // Make sure to add the action being called as the first parameter to be passed.
        array_unshift($data, $action);

        // @todo Use splat operator for unpacking when we move to PHP 5.6+
        return call_user_func_array('static::send', $data);
    }

    /**
     * Return an empty Server Response
     *
     * No request to telegram are sent, this function is used in commands that
     * don't need to fire a message after execution
     *
     * @return \Longman\TelegramBot\Http\ServerResponse
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function emptyResponse()
    {
        return new ServerResponse(['ok' => true, 'result' => true], null);
    }

    /**
     * Send message to all active chats
     *
     * @param string $callback_function
     * @param array $data
     * @param array $select_chats_params
     *
     * @return array
     * @throws TelegramException
     */
    public static function sendToActiveChats(
        $callback_function,
        array $data,
        array $select_chats_params
    ) {
        if (! method_exists(Client::class, $callback_function)) {
            throw new TelegramException('Method "' . $callback_function . '" not found in class Request.');
        }

        $chats = DB::selectChats($select_chats_params);

        $results = [];
        if (is_array($chats)) {
            foreach ($chats as $row) {
                $data['chat_id'] = $row['chat_id'];
                $results[] = call_user_func(Client::class . '::' . $callback_function, $data);
            }
        }

        return $results;
    }

    /**
     * Enable request limiter
     *
     * @param boolean $enable
     * @param array $options
     *
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public static function setLimiter($enable = true, array $options = [])
    {
        if (DB::isDbConnected()) {
            $options_default = [
                'interval' => 1,
            ];

            $options = array_merge($options_default, $options);

            if (! is_numeric($options['interval']) || $options['interval'] <= 0) {
                throw new TelegramException('Interval must be a number and must be greater than zero!');
            }

            self::$limiter_interval = $options['interval'];
class Id
{
    public $id;

    public function __construct($id)
    {
        $this->id = $id;
    }

}

class Account
{
    /** @var  Id $id */
    public $id;
}

$account_id = false;

if (starsAreRight()) {
    $account_id = new Id(42);
}

$account = new Account();
if ($account instanceof Id)
{
    $account->id = $account_id;
}
            self::$limiter_enabled = $enable;
        }
    }

    /**
     * This functions delays API requests to prevent reaching Telegram API limits
     *  Can be disabled while in execution by 'Request::setLimiter(false)'
     *
     * @link https://core.telegram.org/bots/faq#my-bot-is-hitting-limits-how-do-i-avoid-this
     *
     * @param string $action
     * @param array $data
     *
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    private static function limitTelegramRequests($action, array $data = [])
    {
        if (self::$limiter_enabled) {
            $limited_methods = [
                'sendMessage',
                'forwardMessage',
                'sendPhoto',
                'sendAudio',
                'sendDocument',
                'sendSticker',
                'sendVideo',
                'sendVoice',
                'sendVideoNote',
                'sendMediaGroup',
                'sendLocation',
                'editMessageLiveLocation',
                'stopMessageLiveLocation',
                'sendVenue',
                'sendContact',
                'sendInvoice',
                'editMessageText',
                'editMessageCaption',
                'editMessageReplyMarkup',
                'setChatTitle',
                'setChatDescription',
                'setChatStickerSet',
                'deleteChatStickerSet',
            ];

            $chat_id = isset($data['chat_id']) ? $data['chat_id'] : null;
            $inline_message_id = isset($data['inline_message_id']) ? $data['inline_message_id'] : null;

            if (($chat_id || $inline_message_id) && in_array($action, $limited_methods)) {
                $timeout = 60;

                while (true) {
                    if ($timeout <= 0) {
                        throw new TelegramException('Timed out while waiting for a request spot!');
                    }

                    $requests = DB::getTelegramRequestCount($chat_id, $inline_message_id);

                    $chat_per_second = ($requests['LIMIT_PER_SEC'] == 0); // No more than one message per second inside a particular chat
                    $global_per_second = ($requests['LIMIT_PER_SEC_ALL'] < 30);    // No more than 30 messages per second to different chats
                    $groups_per_minute = (((is_numeric($chat_id) && $chat_id > 0) || ! is_null($inline_message_id)) || ((! is_numeric($chat_id) || $chat_id < 0) && $requests['LIMIT_PER_MINUTE'] < 20));    // No more than 20 messages per minute in groups and channels

                    if ($chat_per_second && $global_per_second && $groups_per_minute) {
                        break;
                    }

                    $timeout--;
                    usleep(self::$limiter_interval * 1000000);
                }

                DB::insertTelegramRequest($action, $data);
            }
        }
    }
}

php-telegram-bot / core

Push — feature/refactor-app-design ( d959a3 )

Client::send() B

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