Update Decimal2.php

Author: AJenbo

Diff for: src/Cast/Decimal2.php

@@ -5,15 +5,17 @@
 use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
 use Illuminate\Database\Eloquent\Model;
 
+/**
+ * @implements CastsAttributes<Decimal, Decimal>
+ */
 class Decimal2 implements CastsAttributes
 {
     /**
      * Cast the given value.
      *
      * @param Model $model
-     * @param string $key
-     * @param numeric-string|int $value
-     * @param array $attributes
+     * @param numeric-string $value
+     * @param array<mixed> $attributes
      */
     public function get($model, string $key, $value, array $attributes): Decimal
     {
@@ -24,14 +26,16 @@ public function get($model, string $key, $value, array $attributes): Decimal
      * Prepare the given value for storage.
      *
      * @param Model $model
-     * @param string $key
-     * @param Decimal $value
-     * @param array $attributes
+     * @param array<mixed> $attributes
      *
-     * @return numeric-string
+     * @return ?string
      */
-    public function set($model, string $key, $value, array $attributes): string
+    public function set($model, string $key, $value, array $attributes): ?string
     {
-        return $value->toFixed($decimals, $commas = false, PHP_ROUND_HALF_UP);
+        if ($value === null) {
+            return null;
+        }
+
+        return $value->toFixed($value->precision(), false, PHP_ROUND_HALF_UP);
     }
 }