Add a new cast named AsFluent (#56046)

Author: azim-kordpour

src/Illuminate/Database/Eloquent/Casts/AsFluent.php

@@ -0,0 +1,32 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Casts;
+
+use Illuminate\Contracts\Database\Eloquent\Castable;
+use Illuminate\Contracts\Database\Eloquent\CastsAttributes;
+use Illuminate\Support\Fluent;
+
+class AsFluent implements Castable
+{
+    /**
+     * Get the caster class to use when casting from / to this cast target.
+     *
+     * @param  array  $arguments
+     * @return \Illuminate\Contracts\Database\Eloquent\CastsAttributes<\Illuminate\Support\Fluent, string>
+     */
+    public static function castUsing(array $arguments)
+    {
+        return new class implements CastsAttributes
+        {
+            public function get($model, $key, $value, $attributes)
+            {
+                return isset($value) ? new Fluent(Json::decode($value)) : null;
+            }
+
+            public function set($model, $key, $value, $attributes)
+            {
+                return isset($value) ? [$key => Json::encode($value)] : null;
+            }
+        };
+    }
+}

tests/Database/DatabaseEloquentModelTest.php

@@ -26,6 +26,7 @@
 use Illuminate\Database\Eloquent\Casts\AsEncryptedCollection;
 use Illuminate\Database\Eloquent\Casts\AsEnumArrayObject;
 use Illuminate\Database\Eloquent\Casts\AsEnumCollection;
+use Illuminate\Database\Eloquent\Casts\AsFluent;
 use Illuminate\Database\Eloquent\Casts\AsHtmlString;
 use Illuminate\Database\Eloquent\Casts\AsStringable;
 use Illuminate\Database\Eloquent\Casts\AsUri;
@@ -47,6 +48,7 @@
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Collection as BaseCollection;
 use Illuminate\Support\Facades\Crypt;
+use Illuminate\Support\Fluent;
 use Illuminate\Support\HtmlString;
 use Illuminate\Support\InteractsWithTime;
 use Illuminate\Support\Stringable;
@@ -304,6 +306,30 @@ public function testDirtyOnCastedUri()
         $this->assertTrue($model->isDirty('asUriAttribute'));
     }
 
+    public function testDirtyOnCastedFluent()
+    {
+        $value = [
+            'address' => [
+                'street' => 'test_street',
+                'city' => 'test_city',
+            ],
+        ];
+
+        $model = new EloquentModelCastingStub;
+        $model->setRawAttributes(['asFluentAttribute' => json_encode($value)]);
+        $model->syncOriginal();
+
+        $this->assertInstanceOf(Fluent::class, $model->asFluentAttribute);
+        $this->assertFalse($model->isDirty('asFluentAttribute'));
+
+        $model->asFluentAttribute = new Fluent($value);
+        $this->assertFalse($model->isDirty('asFluentAttribute'));
+
+        $value['address']['street'] = 'updated_street';
+        $model->asFluentAttribute = new Fluent($value);
+        $this->assertTrue($model->isDirty('asFluentAttribute'));
+    }
+
     // public function testDirtyOnCastedEncryptedCollection()
     // {
     //     $this->encrypter = m::mock(Encrypter::class);
@@ -3802,6 +3828,7 @@ protected function casts(): array
             'asStringableAttribute' => AsStringable::class,
             'asHtmlStringAttribute' => AsHtmlString::class,
             'asUriAttribute' => AsUri::class,
+            'asFluentAttribute' => AsFluent::class,
             'asCustomCollectionAttribute' => AsCollection::using(CustomCollection::class),
             'asEncryptedArrayObjectAttribute' => AsEncryptedArrayObject::class,
             'asEncryptedCustomCollectionAttribute' => AsEncryptedCollection::using(CustomCollection::class),