update code to work with Symfony 5

Author: MasaakiYoshida

composer.json

@@ -11,7 +11,7 @@
         }
     ],
     "require": {
-        "php": ">=5.3.9",
+        "php": ">=7.0",
         "doctrine/annotations": "~1.0",
         "phpmentors/domain-kata": "~1.0",
         "piece/stagehand-fsm": "~2.6",
@@ -23,7 +23,6 @@
         "symfony/http-foundation": "~4.0|~5.0",
         "symfony/http-kernel": "~4.0|~5.0",
         "symfony/routing": "~4.0|~5.0",
-        "symfony/security": "~4.0|~5.0",
         "symfony/validator": "~4.0|~5.0"
     },
     "require-dev": {

src/EventListener/ConversationListener.php

@@ -64,15 +64,13 @@ class ConversationListener implements ConversationContextAwareInterface
      * @param ConversationRepository                       $conversationRepository
      * @param PageflowRepository                           $pageflowRepository
      * @param ReflectionConversationalControllerRepository $reflectionConversationalControllerRepository
-     * @param SecureRandomInterface                        $secureRandom
      * @param EndableConversationSpecification             $endableConversationSpecification
      */
-    public function __construct(ConversationRepository $conversationRepository, PageflowRepository $pageflowRepository, ReflectionConversationalControllerRepository $reflectionConversationalControllerRepository, SecureRandomInterface $secureRandom = null, EndableConversationSpecification $endableConversationSpecification)
+    public function __construct(ConversationRepository $conversationRepository, PageflowRepository $pageflowRepository, ReflectionConversationalControllerRepository $reflectionConversationalControllerRepository, EndableConversationSpecification $endableConversationSpecification)
     {
         $this->conversationRepository = $conversationRepository;
         $this->pageflowRepository = $pageflowRepository;
         $this->reflectionConversationalControllerRepository = $reflectionConversationalControllerRepository;
-        $this->secureRandom = $secureRandom;
         $this->endableConversationSpecification = $endableConversationSpecification;
     }
 
@@ -254,6 +252,6 @@ private function createPageflow(Pageflow $pageflow)
      */
     private function generateConversationId()
     {
-        return sha1($this->secureRandom === null ? random_bytes(24) : $this->secureRandom->nextBytes(24));
+        return sha1(random_bytes(24));
     }
 }

src/Resources/config/services.xml

@@ -32,7 +32,6 @@
       <argument type="service" id="phpmentors_pageflower.conversation_repository"/>
       <argument type="service" id="phpmentors_pageflower.pageflow_repository"/>
       <argument type="service" id="phpmentors_pageflower.reflection_conversational_controller_repository"/>
-      <argument type="service" id="security.secure_random" on-invalid="ignore"/>
       <argument type="service" id="phpmentors_pageflower.endable_conversation_specification"/>
       <call method="setConversationContext">
         <argument type="service" id="phpmentors_pageflower.conversation_context"/>