feat: adding example for soap

.env.example

@@ -7,5 +7,5 @@ POSTGRES_USER=postgres
 POSTGRES_PASSWORD=root
 
 API_KEY=secret
-REST_HOST=http://webtune-rest:8888
+REST_HOST=http://webtune-soap:8080/webtune-soap
 REST_KEY=apahayo
\ No newline at end of file

Service/Soap/SoapClientFactory.php

+<?php
+
+namespace Service\Soap;
+
+use Service\Soap\TokenSoap;
+
+use SoapClient;
+use SoapHeader;
+
+class SoapClientFactory {
+  private string $wsdl;
+  private TokenSoap $token_gen;
+
+  public function __construct(string $wsdl) {
+    $this->wsdl = $wsdl;
+    $this->token_gen = new TokenSoap();
+  }
+
+  public function generate_client(?string $token = null): SoapClient {
+    $client = new SoapClient($this->wsdl);
+
+    if(is_null($token)){
+      $token = $this->token_gen->generate_token();
+    }
+
+    $header = new SoapHeader(
+      "http://services.webtune.com/",
+      "Token",
+      $token
+    );
+
+    $client->__setSoapHeaders($header);
+
+    return $client;
+  }
+}
\ No newline at end of file

Service/Soap/SubscribeSoap.php

+<?php
+
+namespace Service\Soap;
+
+class SubscribeSoap {
+  private SoapClientFactory $factory;
+
+  public function __construct() {
+    $wsdl = getenv("SOAP_API"). "/services/subscription?wsdl";
+    $this->factory = new SoapClientFactory($wsdl);
+  }
+
+  public function is_access_permitted(
+    string $creator_id,
+    string $subscriber_id,
+    ?string $last_token = null
+  ): bool {
+    $soap = $this->factory->generate_client($last_token);
+
+    return $soap->__soapCall(
+      "isPermittedAccess",
+      [
+        "creator-id" => $creator_id,
+        "subscriber-id" => $subscriber_id,
+      ]
+    );
+  }
+}

Service/Soap/TokenSoap.php

+<?php
+
+namespace Service\Soap;
+
+use SoapClient;
+
+class TokenSoap {
+  private SoapClient $soap;
+
+  static string | null $token;
+  static int $exp_time;
+
+  public function __construct() {
+    $soap_key = getenv("SOAP_KEY");
+    $wsdl = getenv("SOAP_API")."/services/security?wsdl";
+
+    $this->soap = new SoapClient($wsdl, [
+      "stream_context" => stream_context_create([
+        "http" => [
+          "header" => "X-API-KEY: $soap_key",
+        ],
+      ]),
+    ]);
+  }
+
+  public function generate_token(): string {
+    $token = $this->soap->__soapCall(
+      "getToken",
+      []
+    );
+
+    return $token;
+  }
+}