Merge pull request #9 from NikitaKharkov/support-send_invoice-method

Completed supporting sendInvoice method

Author: makasim

README.md

@@ -120,6 +120,36 @@ $bot = new Bot('telegramToken');
 $bot->sendDocument($sendDocument);
 ```
 
+### SendInvoice
+
+```php
+<?php
+use Formapro\TelegramBot\Bot;
+use Formapro\TelegramBot\Update;
+use Formapro\TelegramBot\SendInvoice;
+
+$requestBody = file_get_contents('php://input');
+$data = json_decode($requestBody, true);
+
+$update = Update::create($data);
+$payload = []; // any params which you need to proccess in the transaction
+$providerToken = 'something:like:this'; // Token have to be taken from botFather
+
+$sendInvoice = new SendInvoice(
+    $update->getMessage()->getChat()->getId(),
+    'Your title',
+    'Your description of invoice',
+    json_encode($payload), 
+    $providerToken,
+    '12314czasdq', // unique id
+    'UAH',
+    [new LabeledPrice('PriceLabel_1', 3001)] // amount; here 30.01 UAH
+);
+
+$bot = new Bot('telegramToken');
+$bot->sendInvoice($sendInvoice);
+```
+
 ### ReplyKeyboardMarkup
 
 ```php

src/Bot.php

@@ -108,6 +108,13 @@ public function sendDocument(SendDocument $sendDocument): ResponseInterface
         ]);
     }
 
+    public function sendInvoice(SendInvoice $sendInvoice)
+    {
+        return $this->httpClient->post($this->getMethodUrl('sendInvoice'), [
+            'json' => get_values($sendInvoice),
+        ]);
+    }
+
     public function answerCallbackQuery(AnswerCallbackQuery $answerCallbackQuery): ResponseInterface
     {
         return $this->httpClient->post($this->getMethodUrl('answerCallbackQuery'), [

src/LabeledPrice.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace Formapro\TelegramBot;
+
+use function Makasim\Values\get_value;
+use function Makasim\Values\get_values;
+use function Makasim\Values\set_object;
+use function Makasim\Values\set_value;
+
+class LabeledPrice
+{
+    private $values = [];
+
+    public function __construct(string $label, int $amount)
+    {
+        set_value($this, 'label', $label);
+        set_value($this, 'amount', $amount);
+    }
+
+    public function getLabel(): string
+    {
+        return get_value($this, 'label');
+    }
+
+    public function getAmount(): int
+    {
+        return get_value($this, 'amount');
+    }
+}

src/SendInvoice.php

@@ -0,0 +1,107 @@
+<?php
+
+namespace Formapro\TelegramBot;
+
+use function Makasim\Values\add_object;
+use function Makasim\Values\get_value;
+use function Makasim\Values\get_values;
+use function Makasim\Values\set_object;
+use function Makasim\Values\set_objects;
+use function Makasim\Values\set_value;
+
+class SendInvoice
+{
+    private $values = [];
+
+    private $objects = [];
+
+    public function __construct(
+        int $chatId,
+        string $title,
+        string $description,
+        string $payload,
+        string $providerToken,
+        string $startParameter,
+        string $currency,
+        array $prices
+    ) {
+        set_value($this, 'chat_id', $chatId);
+        set_value($this, 'title', $title);
+        set_value($this, 'description', $description);
+        set_value($this, 'payload', $payload);
+        set_value($this, 'provider_token', $providerToken);
+        set_value($this, 'start_parameter', $startParameter);
+        set_value($this, 'currency', $currency);
+
+        if (empty($prices)) {
+            throw new \InvalidArgumentException('Prices must be filled');
+        }
+
+        foreach ($prices as $price) {
+            $this->addPrice($price);
+        }
+    }
+
+    public function getChatId(): int
+    {
+        return get_value($this, 'chat_id');
+    }
+
+    public function getTitle(): string
+    {
+        return get_value($this, 'title');
+    }
+
+    public function getDescription(): string
+    {
+        return get_value($this, 'description');
+    }
+
+    public function getPayload(): string
+    {
+        return get_value($this, 'payload');
+    }
+
+    public function getProviderToken(): string
+    {
+        return get_value($this, 'provider_token');
+    }
+
+    public function getStartParameter(): string
+    {
+        return get_value($this, 'start_parameter');
+    }
+
+    public function getCurrency(): string
+    {
+        return get_value($this, 'currency');
+    }
+
+    /**
+     * @return LabeledPrice[]
+     */
+    public function getPrices(): array
+    {
+        return get_value($this, 'prices');
+    }
+
+    private function addPrice(LabeledPrice $price): void
+    {
+        add_object($this, 'prices', $price);
+    }
+
+    public function setParseMode(string $parseMode): void
+    {
+        set_value($this, 'parse_mode', $parseMode);
+    }
+
+    public function getParseMode(): ?string
+    {
+        return get_value($this, 'parse_mode');
+    }
+
+    public function setReplyMarkup(ReplyMarkup $replyMarkup): void
+    {
+        set_value($this, 'reply_markup', json_encode(get_values($replyMarkup)));
+    }
+}