Fix unset proprty values on request

Author: joeySchentrup

sample/src/Routes/Path/Subpath/GetPathSubpath.php

@@ -21,7 +21,7 @@ public function execute(GetRequest $r, int $pathVar2): GetResponse
 
 class GetRequest extends AbstractRequest
 {
-    public ?int $someVar; // TODO: This does not work becuase property is not intialized
+    public ?int $someVar;
     public string $someMessage = 'Has a default value';
 }
 

src/Model/Request/AbstractRequest.php

@@ -19,17 +19,17 @@ public function __construct(
         foreach ($paramTypes as $paramType) {
             if ($paramType->type === InputParamType::Query) {
                 $queryParamValue = $this->request->query[$paramType->name] ?? null;
-                if (isset($queryParamValue)) {
+                if (isset($queryParamValue) || !isset($this->{$paramType->propertyName})) {
                     $this->{$paramType->propertyName} = $queryParamValue;
                 }
             } elseif ($paramType->type === InputParamType::Json) {
                 $jsonParamValue = $this->request->json[$paramType->name] ?? null;
-                if (isset($jsonParamValue)) {
+                if (isset($jsonParamValue) || !isset($this->{$paramType->propertyName})) {
                     $this->{$paramType->propertyName} = $jsonParamValue;
                 }
             } elseif ($paramType->type === InputParamType::Input) {
                 $inputParamValue = $this->request->input[$paramType->name] ?? null;
-                if (isset($inputParamValue)) {
+                if (isset($inputParamValue) || !isset($this->{$paramType->propertyName})) {
                     $this->{$paramType->propertyName} = $inputParamValue;
                 }
             }