From 847767a391113912a7e08df76263d324997c5178 Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Tue, 21 Jul 2020 12:20:45 +0100
Subject: [PATCH 1/3] Initial commit

---
 config/schema/simple_message.schema.yml |  6 +++
 simple_message.info.yml                 |  5 +++
 simple_message.services.yml             | 14 ++++++
 src/DisplaySimpleMessage.php            | 57 +++++++++++++++++++++++++
 4 files changed, 82 insertions(+)
 create mode 100644 config/schema/simple_message.schema.yml
 create mode 100644 simple_message.info.yml
 create mode 100644 simple_message.services.yml
 create mode 100644 src/DisplaySimpleMessage.php

diff --git a/config/schema/simple_message.schema.yml b/config/schema/simple_message.schema.yml
new file mode 100644
index 0000000..7a535e7
--- /dev/null
+++ b/config/schema/simple_message.schema.yml
@@ -0,0 +1,6 @@
+simple_message.config:
+  type: config_object
+  label: Simple Message
+  mapping:
+    message:
+      type: text
\ No newline at end of file
diff --git a/simple_message.info.yml b/simple_message.info.yml
new file mode 100644
index 0000000..fb2d2de
--- /dev/null
+++ b/simple_message.info.yml
@@ -0,0 +1,5 @@
+name: Simple Message
+description: Displays a simple message.
+core_version_requirement: ^8 || ^9
+type: module
+package: Custom
diff --git a/simple_message.services.yml b/simple_message.services.yml
new file mode 100644
index 0000000..18af427
--- /dev/null
+++ b/simple_message.services.yml
@@ -0,0 +1,14 @@
+services:
+  Drupal\Core\Config\ConfigFactoryInterface:
+    alias: config.factory
+
+  Drupal\Core\Messenger\MessengerInterface:
+    alias: messenger
+
+  Drupal\Core\Routing\AdminContext:
+    alias: router.admin_context
+
+  Drupal\simple_message\DisplaySimpleMessage:
+    autowire: true
+    tags:
+      - { name: event_subscriber }
diff --git a/src/DisplaySimpleMessage.php b/src/DisplaySimpleMessage.php
new file mode 100644
index 0000000..02c2ee7
--- /dev/null
+++ b/src/DisplaySimpleMessage.php
@@ -0,0 +1,57 @@
+<?php
+
+namespace Drupal\simple_message;
+
+use Drupal\Core\Routing\AdminContext;
+use Drupal\Core\Messenger\MessengerInterface;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+final class DisplaySimpleMessage implements EventSubscriberInterface {
+
+  use StringTranslationTrait;
+
+  private $messenger;
+  private $adminContext;
+  private $config;
+
+  public function __construct(
+    MessengerInterface $messenger,
+    AdminContext $adminContext,
+    ConfigFactoryInterface $configFactory
+   ) {
+    $this->messenger = $messenger;
+    $this->adminContext = $adminContext;
+    $this->config = $configFactory->get('simple_message.config');
+  }
+
+  public function displayMessage(GetResponseEvent $event) {
+    if ($this->adminContext->isAdminRoute()) {
+      return;
+    }
+
+    if ($message = $this->config->get('message')) {
+      $this->messenger->addMessage($message);
+    }
+    return;
+
+    $this->messenger->addMessage($this->t('This site is running on a <a href="@vagrant">Vagrant</a> server, deployed with <a href="@ansible">Ansible</a> and <a href="@ansistrano">Ansistrano</a>.', [
+      '@ansible' => 'https://ansible.com',
+      '@ansistrano' => 'https://ansistrano.com',
+      '@vagrant' => 'https://vagrantup.com',
+    ]));
+  }
+
+  /**
+   * @inheritDoc
+   */
+  public static function getSubscribedEvents() {
+    $events[KernelEvents::REQUEST][] = ['displayMessage'];
+
+    return $events;
+  }
+
+}

From 520821c6a6b1cfa9410cc173acfd727e9ab9cf03 Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Tue, 21 Jul 2020 12:20:45 +0100
Subject: [PATCH 2/3] Initial commit

---
 composer.json                           |  5 +++
 config/schema/simple_message.schema.yml |  6 +++
 simple_message.info.yml                 |  5 +++
 simple_message.services.yml             | 14 +++++++
 src/DisplaySimpleMessage.php            | 50 +++++++++++++++++++++++++
 5 files changed, 80 insertions(+)
 create mode 100644 composer.json
 create mode 100644 config/schema/simple_message.schema.yml
 create mode 100644 simple_message.info.yml
 create mode 100644 simple_message.services.yml
 create mode 100644 src/DisplaySimpleMessage.php

diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..47ad0df
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,5 @@
+{
+	"name": "drupal/simple_message",
+	"description": "Displays a simple message.",
+	"type": "drupal-module"
+}
diff --git a/config/schema/simple_message.schema.yml b/config/schema/simple_message.schema.yml
new file mode 100644
index 0000000..7a535e7
--- /dev/null
+++ b/config/schema/simple_message.schema.yml
@@ -0,0 +1,6 @@
+simple_message.config:
+  type: config_object
+  label: Simple Message
+  mapping:
+    message:
+      type: text
\ No newline at end of file
diff --git a/simple_message.info.yml b/simple_message.info.yml
new file mode 100644
index 0000000..fb2d2de
--- /dev/null
+++ b/simple_message.info.yml
@@ -0,0 +1,5 @@
+name: Simple Message
+description: Displays a simple message.
+core_version_requirement: ^8 || ^9
+type: module
+package: Custom
diff --git a/simple_message.services.yml b/simple_message.services.yml
new file mode 100644
index 0000000..18af427
--- /dev/null
+++ b/simple_message.services.yml
@@ -0,0 +1,14 @@
+services:
+  Drupal\Core\Config\ConfigFactoryInterface:
+    alias: config.factory
+
+  Drupal\Core\Messenger\MessengerInterface:
+    alias: messenger
+
+  Drupal\Core\Routing\AdminContext:
+    alias: router.admin_context
+
+  Drupal\simple_message\DisplaySimpleMessage:
+    autowire: true
+    tags:
+      - { name: event_subscriber }
diff --git a/src/DisplaySimpleMessage.php b/src/DisplaySimpleMessage.php
new file mode 100644
index 0000000..2e460b2
--- /dev/null
+++ b/src/DisplaySimpleMessage.php
@@ -0,0 +1,50 @@
+<?php
+
+namespace Drupal\simple_message;
+
+use Drupal\Core\Routing\AdminContext;
+use Drupal\Core\Messenger\MessengerInterface;
+use Drupal\Core\Config\ConfigFactoryInterface;
+use Symfony\Component\HttpKernel\KernelEvents;
+use Symfony\Component\HttpKernel\Event\GetResponseEvent;
+use Drupal\Core\StringTranslation\StringTranslationTrait;
+use Symfony\Component\EventDispatcher\EventSubscriberInterface;
+
+final class DisplaySimpleMessage implements EventSubscriberInterface {
+
+  use StringTranslationTrait;
+
+  private $messenger;
+  private $adminContext;
+  private $config;
+
+  public function __construct(
+    MessengerInterface $messenger,
+    AdminContext $adminContext,
+    ConfigFactoryInterface $configFactory
+  ) {
+    $this->messenger = $messenger;
+    $this->adminContext = $adminContext;
+    $this->config = $configFactory->get('simple_message.config');
+  }
+
+  public function displayMessage(GetResponseEvent $event) {
+    if ($this->adminContext->isAdminRoute()) {
+      return;
+    }
+
+    if ($message = $this->config->get('message')) {
+      $this->messenger->addMessage($this->t($message));
+    }
+  }
+
+  /**
+   * @inheritDoc
+   */
+  public static function getSubscribedEvents() {
+    $events[KernelEvents::REQUEST][] = ['displayMessage'];
+
+    return $events;
+  }
+
+}

From b200b6514bccabce8d3eab6f3be31dacd6b10890 Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.uk>
Date: Tue, 21 Jul 2020 19:09:57 +0100
Subject: [PATCH 3/3] PHP 7.4 only

---
 composer.json                |  5 ++++-
 src/DisplaySimpleMessage.php | 11 +++++++----
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/composer.json b/composer.json
index 47ad0df..07834d7 100644
--- a/composer.json
+++ b/composer.json
@@ -1,5 +1,8 @@
 {
 	"name": "drupal/simple_message",
 	"description": "Displays a simple message.",
-	"type": "drupal-module"
+	"type": "drupal-module",
+	"require": {
+		"php": "^7.4"
+	}
 }
diff --git a/src/DisplaySimpleMessage.php b/src/DisplaySimpleMessage.php
index 2e460b2..135410c 100644
--- a/src/DisplaySimpleMessage.php
+++ b/src/DisplaySimpleMessage.php
@@ -1,7 +1,10 @@
 <?php
 
+declare(strict_types=1);
+
 namespace Drupal\simple_message;
 
+use Drupal\Core\Config\Config;
 use Drupal\Core\Routing\AdminContext;
 use Drupal\Core\Messenger\MessengerInterface;
 use Drupal\Core\Config\ConfigFactoryInterface;
@@ -14,9 +17,9 @@ final class DisplaySimpleMessage implements EventSubscriberInterface {
 
   use StringTranslationTrait;
 
-  private $messenger;
-  private $adminContext;
-  private $config;
+  private MessengerInterface $messenger;
+  private AdminContext $adminContext;
+  private Config $config;
 
   public function __construct(
     MessengerInterface $messenger,
@@ -28,7 +31,7 @@ final class DisplaySimpleMessage implements EventSubscriberInterface {
     $this->config = $configFactory->get('simple_message.config');
   }
 
-  public function displayMessage(GetResponseEvent $event) {
+  public function displayMessage(GetResponseEvent $event): void {
     if ($this->adminContext->isAdminRoute()) {
       return;
     }