Main image: Parse URL from description

src/Feed.php

@@ -33,14 +33,17 @@ public function load(string $url): array
 		$feed = [];
 		foreach ($rss->getElementsByTagName('item') as $node) {
 			/** @var \DOMElement $node */
-			$feed[] = new Post(
+
+			$description = $this->hydrateDescription($this->hydrateValueToString($node, 'description'));
+			$feed[] = (new Post(
 				strip_tags($this->hydrateValueToString($node, 'title')),
-				html_entity_decode(preg_replace('/^<p>(.+?)<\/p>.*/', '$1', str_replace("\n", ' ', $this->hydrateValueToString($node, 'description')))),
+				(string) $description['description'],
 				$this->hydrateValueToString($node, 'link'),
-				$this->hydrateValueToDateTime($node, 'pubDate'),
-				$this->hydrateValueToString($node, 'creator'),
-				$this->hydrateValue($node, 'category')
-			);
+				$this->hydrateValueToDateTime($node, 'pubDate')
+			))
+				->setCreator($this->hydrateValueToString($node, 'creator'))
+				->setCategories($this->hydrateValue($node, 'category'))
+				->setMainImageUrl($description['mainImageUrl'] ?? null);
 		}
 
 		return $feed;
@@ -79,6 +82,24 @@ private function getContent(string $url, bool $flush = false): string
 	}
 
 
+	/**
+	 * @return string[]|null[]
+	 */
+	private function hydrateDescription(string $description): array
+	{
+		$mainImageUrl = null;
+		if (preg_match('/(.*)<img\s[^>]*?src="([^"]+)"[^>]*?>(.*)/', $description, $parser)) {
+			$description = trim($parser[1] . ' ' . $parser[3]);
+			$mainImageUrl = trim($parser[2]);
+		}
+
+		return [
+			'description' => html_entity_decode(preg_replace('/^<p>(.+?)<\/p>.*/', '$1', str_replace("\n", ' ', trim($description)))),
+			'mainImageUrl' => $mainImageUrl,
+		];
+	}
+
+
 	/**
 	 * @return string[]
 	 */

src/Post.php

@@ -15,23 +15,23 @@ class Post
 
 	private \DateTimeImmutable $date;
 
-	private string $creator;
+	private ?string $creator = null;
 
 	/** @var string[] */
-	private array $categories;
+	private array $categories = [];
+
+	private ?string $mainImageUrl = null;
 
 
 	/**
 	 * @param string[] $categories
 	 */
-	public function __construct(string $title, string $description, string $link, \DateTimeImmutable $date, string $creator, array $categories)
+	public function __construct(string $title, string $description, string $link, \DateTimeImmutable $date)
 	{
 		$this->title = $title;
 		$this->description = $description;
 		$this->link = $link;
 		$this->date = $date;
-		$this->creator = $creator;
-		$this->categories = $categories;
 	}
 
 
@@ -59,17 +59,50 @@ public function getDate(): \DateTimeImmutable
 	}
 
 
-	public function getCreator(): string
+	public function getCreator(): ?string
 	{
 		return $this->creator;
 	}
 
 
+	public function setCreator(?string $creator): self
+	{
+		$this->creator = $creator;
+
+		return $this;
+	}
+
+
 	/**
 	 * @return string[]
 	 */
 	public function getCategories(): array
 	{
 		return $this->categories;
 	}
+
+
+	/**
+	 * @param string[] $categories
+	 */
+	public function setCategories(array $categories): self
+	{
+		$this->categories = $categories;
+
+		return $this;
+	}
+
+
+	public function getMainImageUrl(): ?string
+	{
+		return $this->mainImageUrl;
+	}
+
+
+	public function setMainImageUrl(?string $mainImageUrl): self
+	{
+		$this->mainImageUrl = $mainImageUrl;
+
+		return $this;
+	}
 }