INIT

vendor/illuminate/database/Eloquent/Casts/AsEnumCollection.php

@@ -0,0 +1,80 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+use BackedEnum;
+use Illuminate\Contracts\Database\Eloquent\Castable;
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Support\Collection;
+
+class AsEnumCollection implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @template TEnum of \UnitEnum|\BackedEnum
+     *
+     * @param  array{class-string<TEnum>}  $arguments
+     * @return CastsAttributes<Collection<array-key, TEnum>, iterable<TEnum>>
+     */
+    public static function castUsing(array $arguments)
+    {
+        return new class($arguments) implements CastsAttributes
+        {
+            protected $arguments;
+
+            public function __construct(array $arguments)
+            {
+                $this->arguments = $arguments;
+            }
+
+            public function get($model, $key, $value, $attributes)
+            {
+                if (! isset($attributes[$key]) || is_null($attributes[$key])) {
+                    return;
+                }
+
+                $data = json_decode($attributes[$key], true);
+
+                if (! is_array($data)) {
+                    return;
+                }
+
+                $enumClass = $this->arguments[0];
+
+                return (new Collection($data))->map(function ($value) use ($enumClass) {
+                    return is_subclass_of($enumClass, BackedEnum::class)
+                        ? $enumClass::from($value)
+                        : constant($enumClass.'::'.$value);
+                });
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                $value = $value !== null
+                    ? (new Collection($value))->map(function ($enum) {
+                        return $this->getStorableEnumValue($enum);
+                    })->toJson()
+                    : null;
+
+                return [$key => $value];
+            }
+
+            public function serialize($model, string $key, $value, array $attributes)
+            {
+                return (new Collection($value))->map(function ($enum) {
+                    return $this->getStorableEnumValue($enum);
+                })->toArray();
+            }
+
+            protected function getStorableEnumValue($enum)
+            {
+                if (is_string($enum) || is_int($enum)) {
+                    return $enum;
+                }
+
+                return $enum instanceof BackedEnum ? $enum->value : $enum->name;
+            }
+        };
+    }
+}