Updated \TgBotLib > Bot

src/TgBotLib/Bot.php

@@ -1,16 +1,35 @@
 <?php
 
+    /** @noinspection PhpMissingFieldTypeInspection */
+
     namespace TgBotLib;
 
+    use CurlHandle;
+    use TgBotLib\Exceptions\RequestException;
+    use TgBotLib\Objects\Telegram\Update;
+
     class Bot
     {
         /**
-         * The bot's token
-         *
          * @var string
          */
         private $token;
 
+        /**
+         * @var string
+         */
+        private $host;
+
+        /**
+         * @var bool
+         */
+        private $ssl;
+
+        /**
+         * @var int
+         */
+        private $last_update_id;
+
         /**
          * Public Constructor
          *
@@ -19,13 +38,129 @@
         public function __construct(string $token)
         {
             $this->token = $token;
+            $this->host = 'api.telegram.org';
+            $this->ssl = true;
+            $this->last_update_id = 0;
         }
 
         /**
+         * Returns the bot's token
+         *
          * @return string
          */
         public function getToken(): string
         {
             return $this->token;
         }
+
+        /**
+         * Returns the host the library is using to send requests to
+         *
+         * @return string
+         */
+        public function getHost(): string
+        {
+            return $this->host;
+        }
+
+        /**
+         * Sets the host the library will use to send requests to
+         *
+         * @param string $host
+         */
+        public function setHost(string $host): void
+        {
+            $this->host = $host;
+        }
+
+        /**
+         * Returns whether the library is using SSL to send requests
+         *
+         * @return bool
+         */
+        public function isSsl(): bool
+        {
+            return $this->ssl;
+        }
+
+        /**
+         * Sets whether the library will use SSL to send requests
+         *
+         * @param bool $ssl
+         */
+        public function setSsl(bool $ssl): void
+        {
+            $this->ssl = $ssl;
+        }
+
+        /**
+         * Returns the URL for the specified method using the current host and SSL settings
+         *
+         * @param string $method
+         * @return string
+         */
+        private function getMethodUrl(string $method): string
+        {
+            return ($this->ssl ? 'https://' : 'http://') . $this->host . '/bot' . $this->token . '/' . $method;
+        }
+
+        /**
+         * Sends a request to the Telegram API and returns the result as an array (unparsed)
+         *
+         * @param string $method
+         * @param array $params
+         * @return array
+         * @throws RequestException
+         */
+        public function sendRequest(string $method, array $params = []): array
+        {
+            $ch = curl_init();
+
+            curl_setopt_array($ch, [
+                CURLOPT_URL => $this->getMethodUrl($method),
+                CURLOPT_POST => true,
+                CURLOPT_POSTFIELDS => http_build_query($params),
+                CURLOPT_RETURNTRANSFER => true,
+                CURLOPT_FOLLOWLOCATION => true,
+                CURLOPT_AUTOREFERER => true,
+                CURLOPT_HEADER => false,
+                CURLOPT_CONNECTTIMEOUT => 10,
+                CURLOPT_TIMEOUT => 30,
+            ]);
+            $response = curl_exec($ch);
+            if ($response === false)
+                throw new RequestException('Curl error: ' . curl_error($ch), curl_errno($ch));
+
+            curl_close($ch);
+            $parsed = json_decode($response, true);
+            if($parsed['ok'] === false)
+                throw new RequestException($parsed['description'], $parsed['error_code']);
+
+            return $parsed['result'];
+        }
+
+
+        /**
+         * Use this method to receive incoming updates using long polling (wiki). Returns an Array of Update objects.
+         *
+         * @param array $params
+         * @return Update[]
+         * @throws RequestException
+         */
+        public function getUpdates(array $params=[]): array
+        {
+            if(!isset($params['offset']))
+                $params['offset'] = $this->last_update_id + 1;
+
+
+            $results = array_map(function ($update) {
+                return Update::fromArray($update);
+            }, $this->sendRequest('getUpdates', $params));
+
+            if(count($results) > 0)
+                $this->last_update_id = $results[count($results) - 1]->getUpdateId();
+
+            return $results;
+        }
+
     }