Add Exception directory, try to throw first custom exception

Source/API/script/ExceptionHandle/TypeError.php

@@ -0,0 +1,12 @@
+<?php
+
+use Slim\Exception\HttpSpecializedException;
+
+class TypeErrorMethod extends HttpSpecializedException {
+
+    protected $code = 400;
+    protected $message =  "Bad Parameters";
+    protected string $title = "400 Bad Parameters";
+    protected string $description = "The API need a 'method' query params in URL. Exemple :'http://url?method=getSomething'";
+
+}

Source/API/script/index.php

@@ -2,10 +2,9 @@
 
 use Psr\Http\Message\ResponseInterface as Response;
 use Psr\Http\Message\ServerRequestInterface as Request;
-use Slim\Exception\HttpNotFoundException;
 use Slim\Factory\AppFactory;
 
-try{
+
 require 'Config/vendor/autoload.php';
 
 /**
@@ -24,11 +23,14 @@ try{
  * @param bool $logErrorDetails -> Display error details in error log
  */
 $errorMiddleware = $app->addErrorMiddleware(true, true, true);
-    try {
+
+/**
+ * Add a route for the API
+ */
 $app->get('/', function (Request $request, Response $response) {
     $parameters = $request->getQueryParams();
     if (empty($parameters['method'])){
-                throw new TypeError("No method specified");
+        throw new TypeErrorMethod($request);
     }else{
         $method = $parameters['method'];
     }
@@ -36,7 +38,7 @@ try{
     $listGateway = array("\\Gateway\\GatewayForm", "\\Gateway\\GatewayKeyword", "\\Gateway\\GatewayQuestion");
     foreach ($listGateway as $gateway){
         if (method_exists($gateway, $method)) {
-                    $response->getBody()->write(print_r((new $gateway)->$method($parameters)));
+            $response->getBody()->write(json_encode((new $gateway)->$method($parameters)));
         }
     }
     $temp = array(0 => array("id" => "1",
@@ -49,14 +51,7 @@ try{
     $response->getBody()->write(json_encode($temp));
     return $response->withHeader('Content-type', 'application/json');
 });
-    }catch (TypeError $t){
-        echo "Error, wrong parameters key, or no parameters write : ".$t->getMessage();
-    }
 
 
 // Run app
 $app->run();
-}catch (HttpNotFoundException $e) {
-    echo "Error, not Found : " . $e->getMessage();
-}
-