use centrifugo v5 HTTP API format (#63)

This PR migrates the library to use new API format introduced in Centrifugo v5 - https://centrifugal.dev/blog/2023/06/29/centrifugo-v5-released#new-http-api-format

.gitignore

@@ -29,7 +29,6 @@
 ## File-based project format:
 *.ipr
 *.iws
-
 ## Plugin-specific files:
 
 # IntelliJ
@@ -50,3 +49,4 @@ crashlytics-build.properties
 composer.lock
 vendor/
 .phpunit.result.cache
+.php-cs-fixer.cache

src/Client.php

@@ -432,9 +432,9 @@ private function request($method, $params)
         curl_setopt($ch, CURLOPT_HEADER, 0);
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
         curl_setopt($ch, CURLOPT_POST, true);
-        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array('method' => $method, 'params' => $params)));
+        curl_setopt($ch, CURLOPT_POSTFIELDS, \json_encode($params));
         curl_setopt($ch, CURLOPT_HTTPHEADER, $this->getHeaders());
-        curl_setopt($ch, CURLOPT_URL, $this->url);
+        curl_setopt($ch, CURLOPT_URL, $this->getUrl($method));
         $data = curl_exec($ch);
         $error = curl_error($ch);
         $headers = curl_getinfo($ch);
@@ -450,11 +450,18 @@ private function request($method, $params)
         return $data;
     }
 
+    private function getUrl($method)
+    {
+       return $this->url.'/'.$method;
+    }
+
     private function getHeaders()
     {
-        return array(
+        $headers = [
             'Content-Type: application/json',
-            'Authorization: apikey ' . $this->apikey,
-        );
+            'X-API-Key: '.$this->apikey
+        ];
+
+        return $headers;
     }
 }

tests/ClientTest.php

@@ -17,6 +17,39 @@ public function testSetters()
         $this->assertNotNull($this->client->setConnectTimeoutOption(1));
         $this->assertNotNull($this->client->setTimeoutOption(1));
     }
+
+    public function testGetUrl(){
+        $client = new \ReflectionClass($this->client);
+
+        $method = $client->getMethod('getUrl');
+
+        $method->setAccessible(true);
+
+        $this->assertEquals("http://localhost:8000/api/publish", $method->invokeArgs($this->client,['publish']));
+    }
+
+    public function testGetHeaders(){
+
+        $phpcent = new \phpcent\Client("http://localhost:8000/api");
+
+        $apiKey = '12w5ec80-1bd0-4c0x-a2e9-2c96501d2123';
+
+        $phpcent->setApiKey($apiKey);
+
+        $client = new \ReflectionClass($phpcent);
+
+        $method = $client->getMethod('getHeaders');
+
+        $method->setAccessible(true);
+
+        $this->assertEquals(
+        [
+            'Content-Type: application/json',
+            'X-API-Key: '.$apiKey
+        ]
+        , $method->invoke($phpcent));
+    }
+
     public function testPublish()
     {
         $this->client->setUseAssoc(true);