Remove binary attributes from DB, should be json columns

app/Casts/CollectionOrNull.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Database\Eloquent\Model;
+
+class CollectionOrNull implements CastsAttributes
+{
+	/**
+	 * Cast the given value.
+	 *
+	 * @param  array<string, mixed>  $attributes
+	 */
+	public function get(Model $model, string $key, mixed $value, array $attributes): mixed
+	{
+		return collect(json_decode($value, true));
+	}
+
+	/**
+	 * Prepare the given value for storage.
+	 *
+	 * @param  array<string, mixed>  $attributes
+	 */
+	public function set(Model $model, string $key, mixed $value, array $attributes): mixed
+	{
+		return $value->count() ? json_encode($value) : NULL;
+	}
+}