From 896299bc4d9a458883fe2ee8ee677f965ca9050f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jan=20B=C3=B6hmer?= <jan.h.boehmer@gmx.de>
Date: Sat, 19 Oct 2019 23:20:19 +0200
Subject: [PATCH] Allow to specify homepage banner via ENV. Otherwise the
 content of the file config/banner.md is used.

---
 .env                                  |  4 ++++
 config/banner.md                      |  3 +++
 config/services.yaml                  |  2 +-
 src/Controller/HomepageController.php | 29 ++++++++++++++++++++++++++-
 4 files changed, 36 insertions(+), 2 deletions(-)
 create mode 100644 config/banner.md

diff --git a/.env b/.env
index 87be6efe..0876a707 100644
--- a/.env
+++ b/.env
@@ -43,4 +43,8 @@ FIXER_API_KEY=CHANGEME
 # In that case all URL contains the index.php front controller in URL
 NO_URL_REWRITE_AVAILABLE=false
 
+# Override value if you want to show to show a given text on homepage.
+# When this is empty the content of config/banner.md is used as banner
+BANNER=""
+
 ### End custom vars
\ No newline at end of file
diff --git a/config/banner.md b/config/banner.md
new file mode 100644
index 00000000..74b1d526
--- /dev/null
+++ b/config/banner.md
@@ -0,0 +1,3 @@
+Welcome to Part-DB.
+ 
+<small>If you want to change this banner, edit `config/banner.md` file or set the `BANNER` environment variable.</small>
\ No newline at end of file
diff --git a/config/services.yaml b/config/services.yaml
index 4dc13d96..d652dbcc 100644
--- a/config/services.yaml
+++ b/config/services.yaml
@@ -8,7 +8,7 @@ parameters:
     locale: 'en'                # Set the default language to use her
     timezone: 'Europe/Berlin'
     partdb_title: 'Part-DB'     # The title shown inside of Part-DB (e.g. in the navbar and on homepage)
-    banner: ''                  # The info text shown in the homepage
+    banner: '%env(trim:string:BANNER)%'    # The info text shown in the homepage, if empty config/banner.md is used
     use_gravatar: true          # Set to false, if no Gravatar images should be used for user profiles.
     default_currency: 'EUR'     # The currency that should be used
     media_directory: 'public/media/' # The folder where uploaded attachment files are saved
diff --git a/src/Controller/HomepageController.php b/src/Controller/HomepageController.php
index 0fa28651..a3cafc64 100644
--- a/src/Controller/HomepageController.php
+++ b/src/Controller/HomepageController.php
@@ -31,18 +31,45 @@
 namespace App\Controller;
 
 use App\Services\GitVersionInfo;
+use SebastianBergmann\CodeCoverage\Node\File;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\Cache\CacheItem;
+use Symfony\Component\Filesystem\Filesystem;
+use Symfony\Component\HttpKernel\KernelInterface;
 use Symfony\Component\Routing\Annotation\Route;
+use Symfony\Contracts\Cache\CacheInterface;
 
 class HomepageController extends AbstractController
 {
+    protected $cache;
+    protected $kernel;
+
+    public function __construct(CacheInterface $cache, KernelInterface $kernel)
+    {
+        $this->cache = $cache;
+        $this->kernel = $kernel;
+    }
+
+    public function getBanner() : string
+    {
+        $banner = $this->getParameter('banner');
+        if (empty($banner)) {
+            $banner_path = $this->kernel->getProjectDir()
+                . DIRECTORY_SEPARATOR . 'config' . DIRECTORY_SEPARATOR . 'banner.md';
+
+            return file_get_contents($banner_path);
+        }
+
+        return $banner;
+    }
+
     /**
      * @Route("/", name="homepage")
      */
     public function homepage(GitVersionInfo $versionInfo)
     {
         return $this->render('homepage.html.twig', [
-            'banner' => $this->getParameter('banner'),
+            'banner' => $this->getBanner(),
             'git_branch' => $versionInfo->getGitBranchName(),
             'git_commit' => $versionInfo->getGitCommitHash()
         ]);