multiple meta images for posts

model/Post.class.php

@@ -236,6 +236,13 @@ class Post
     return $this->getPostNum() % $maxStyles + 1;
   }
 
+  public function getImageUrls()
+  {
+    $matches = [];
+    preg_match_all('/!\[.*?\]\((.*?)\)/', $this->markdown, $matches);
+    return $matches ? $matches[1] : [];
+  }
+
   protected function markdownToText($markdown)
   {
     $replacements = [

view/Response.class.php

@@ -17,16 +17,24 @@ class Response
                       'css' => []
                    ],
 //                   $bodyCssClasses = [],
-                   $metaImg = '';
+                   $metaImages = [];
 
   public static function setMetaDescription($description)
   {
     static::$metaDescription = $description;
   }
 
-  public static function setMetaImage($url)
+  public static function addMetaImage($url)
   {
-    static::$metaImg = $url;
+    static::$metaImages[] = $url;
+  }
+
+  public static function addMetaImages(array $urls)
+  {
+    foreach($urls as $url)
+    {
+      static::addMetaImage($url);
+    }
   }
 
   public static function getMetaDescription()
@@ -34,9 +42,9 @@ class Response
     return static::$metaDescription ?: 'A Content Revolution';
   }
 
-  public static function getMetaImage()
+  public static function getMetaImages()
   {
-    return static::$metaImg ?: 'http://lbry.io/img/lbry-dark-1600x528.png';
+    return static::$metaImages ?: ['https://lbry.io/img/lbry-dark-1600x528.png'];
   }
 
   public static function setMetaTitle($title)

view/View.class.php

@@ -14,9 +14,6 @@ class View
 {
   const LAYOUT_PARAMS = '_layout_params';
 
-  protected static $metaDescription = '',
-                   $metaImg = '';
-
   public static function render($template, array $vars = [])
   {
     if (static::isMarkdown($template))
@@ -92,26 +89,6 @@ class View
     return '/img/' . $image;
   }
 
-  public static function setMetaDescription($description)
-  {
-    static::$metaDescription = $description;
-  }
-
-  public static function setMetaImage($url)
-  {
-    static::$metaImg = $url;
-  }
-
-  public static function getMetaDescription()
-  {
-    return static::$metaDescription ?: 'A Content Revolution';
-  }
-
-  public static function getMetaImage()
-  {
-    return static::$metaImg ?: 'https://lbry.io/img/lbry-dark-1600x528.png';
-  }
-
   public static function parseMarkdown($template)
   {
     $path = static::getFullPath($template);

view/template/content/post.php

@@ -1,4 +1,5 @@
 <?php Response::setMetaDescription($post->getTitle()) ?>
+<?php Response::addMetaImages($post->getImageUrls()) ?>
 <?php NavActions::setNavUri('/news') ?>
 <?php echo View::render('nav/header') ?>
 <main>

view/template/layout/basic.php

@@ -42,9 +42,12 @@
         <!-- Open Graph data -->
         <meta property="og:title" content="<?php echo $title ?>" />
         <meta property="og:type" content="article" />
-        <meta property="og:image" content="<?php echo Response::getMetaImage() ?>" />
         <meta property="og:description" content="<?php echo Response::getMetaDescription() ?>"/>
         <meta property="og:site_name" content="LBRY" />
+        <?php foreach(Response::getMetaImages() as $image): ?>
+          <meta property="og:image" content="<?php echo $image ?>" />
+        <?php endforeach ?>
+
 
         <base target="_parent" />
     </head>

view/template/page/team.php

@@ -1,5 +1,5 @@
 <?php NavActions::setNavUri('/learn') ?>
-<?php Response::setMetaImage('https://lbry.io/img/cover-team.jpg') ?>
+<?php Response::addMetaImage('https://lbry.io/img/cover-team.jpg') ?>
 <?php Response::setMetaDescription('LBRY is founded by a team passionate about connecting producers and consumers and breaking down broken models. Learn more about them.') ?>
 <?php echo View::render('nav/header', ['isDark' => false]) ?>
 <main>

view/template/page/why.php

@@ -1,5 +1,5 @@
 <?php NavActions::setNavUri('/learn') ?>
-<?php Response::setMetaImage('https://lbry.io/img/xkcd-comic.png') ?>
+<?php Response::addMetaImage('https://lbry.io/img/xkcd-comic.png') ?>
 <?php Response::setMetaDescription('Learn about the inspiration behind LBRY\'s revolutionary content distribution system.') ?>
 <?php echo View::render('nav/header', ['isDark' => false]) ?>
 <main>