X-Git-Url: https://git.bts.cx/cx.git/blobdiff_plain/74f4d033d443f0774068e377d6eeb4c2f670db9a..c678faf602beee2b667adba59916f00e211b3fd3:/cx/lib/posts.php

diff --git a/cx/lib/posts.php b/cx/lib/posts.php
index 6aca72e..0a2ac4d 100644
--- a/cx/lib/posts.php
+++ b/cx/lib/posts.php
@@ -10,6 +10,16 @@ function mk_markdown($markdown) {
 	return $Parsedown->text($markdown);
 }
 
+class PostMetadata {
+	public $hero_image;
+	public $hero_image_alt;
+
+	public function __construct($dict) {
+		$this->hero_image = isset($dict['post_hero_image']) ? $dict['post_hero_image'] : null;
+		$this->hero_image_alt = isset($dict['post_hero_image_alt']) ? $dict['post_hero_image_alt'] : null;
+	}
+}
+
 class Post {
 	public $id;
 	public $title;
@@ -36,6 +46,22 @@ class Post {
 			$this->html_excerpt = mk_markdown($segments[0]);
 		}
 	}
+
+	public function get_metadata() {
+		$data = [];
+
+		$doc = new DOMDocument();
+		$doc->loadHTML($this->html_content);
+
+		$image_tag = $doc->getElementsByTagName('img')[0];
+
+		if ($image_tag != null) {
+			$data['post_hero_image'] = $image_tag->getAttribute('src');
+			$data['post_hero_image_alt'] = htmlspecialchars($image_tag->getAttribute('alt'));
+		}
+
+		return new PostMetadata($data);
+	}
 }
 
 function cx_post_make_slug($title) {