Misc bugfixes, especially for Anime without a MAL id.

src/API/Anilist/Model.php

@@ -274,6 +274,11 @@ final class Model
 			'type' => mb_strtoupper($type),
 		]);
 
+		if (empty($info) || empty($info['data']))
+		{
+			return NULL;
+		}
+
 		return (string)$info['data']['Media']['id'];
 	}
 }

src/Model/Anime.php

@@ -187,7 +187,7 @@ class Anime extends API {
 		$requester = new ParallelAPIRequest();
 		$requester->addRequest($this->kitsuModel->incrementListItem($data), 'kitsu');
 
-		if ($this->anilistEnabled && $data['mal_id'] !== null)
+		if (( ! empty($data['mal_id'])) && $this->anilistEnabled)
 		{
 			$requester->addRequest($this->anilistModel->incrementListItem($data, 'ANIME'), 'anilist');
 		}
@@ -214,7 +214,7 @@ class Anime extends API {
 		$requester = new ParallelAPIRequest();
 		$requester->addRequest($this->kitsuModel->updateListItem($data), 'kitsu');
 
-		if ($this->anilistEnabled && $data['mal_id'] !== null)
+		if (( ! empty($data['mal_id'])) && $this->anilistEnabled)
 		{
 			$requester->addRequest($this->anilistModel->updateListItem($data, 'ANIME'), 'anilist');
 		}

src/Types/AbstractType.php

@@ -17,8 +17,10 @@
 namespace Aviat\AnimeClient\Types;
 
 use ArrayAccess;
+use ArrayObject;
+use Countable;
 
-abstract class AbstractType implements ArrayAccess {
+abstract class AbstractType implements ArrayAccess, Countable {
 	/**
 	 * Populate values for un-serializing data
 	 *
@@ -164,6 +166,17 @@ abstract class AbstractType implements ArrayAccess {
 		}
 	}
 
+	/**
+	 * Implementing Countable
+	 *
+	 * @return int
+	 */
+	public function count(): int
+	{
+		$keys = array_keys($this->toArray());
+		return count($keys);
+	}
+
 	/**
 	 * Recursively cast properties to an array
 	 *