[10.x] Add ScopedBy attribute for models (laravel#50034)

* [10.x] Introduce ScopedBy attribute for models

* Update HasGlobalScopes.php

src/Illuminate/Database/Eloquent/Attributes/ScopedBy.php

@@ -0,0 +1,19 @@
+<?php
+
+namespace Illuminate\Database\Eloquent\Attributes;
+
+use Attribute;
+
+#[Attribute(Attribute::TARGET_CLASS | Attribute::IS_REPEATABLE)]
+class ScopedBy
+{
+    /**
+     * Create a new attribute instance.
+     *
+     * @param  array|string  $classes
+     * @return void
+     */
+    public function __construct(array|string $classes)
+    {
+    }
+}

src/Illuminate/Database/Eloquent/Concerns/HasGlobalScopes.php

@@ -3,12 +3,39 @@
 namespace Illuminate\Database\Eloquent\Concerns;
 
 use Closure;
+use Illuminate\Database\Eloquent\Attributes\ScopedBy;
 use Illuminate\Database\Eloquent\Scope;
 use Illuminate\Support\Arr;
 use InvalidArgumentException;
+use ReflectionClass;
 
 trait HasGlobalScopes
 {
+    /**
+     * Boot the has global scopes trait for a model.
+     *
+     * @return void
+     */
+    public static function bootHasGlobalScopes()
+    {
+        static::addGlobalScopes(static::resolveGlobalScopeAttributes());
+    }
+
+    /**
+     * Resolve the global scope class names from the attributes.
+     *
+     * @return array
+     */
+    public static function resolveGlobalScopeAttributes()
+    {
+        $reflectionClass = new ReflectionClass(static::class);
+
+        return collect($reflectionClass->getAttributes(ScopedBy::class))
+            ->map(fn ($attribute) => $attribute->getArguments())
+            ->flatten()
+            ->all();
+    }
+
     /**
      * Register a new global scope on the model.
      *

tests/Database/DatabaseEloquentGlobalScopesTest.php

@@ -3,6 +3,7 @@
 namespace Illuminate\Tests\Database;
 
 use Illuminate\Database\Capsule\Manager as DB;
+use Illuminate\Database\Eloquent\Attributes\ScopedBy;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Scope;
@@ -51,6 +52,14 @@ public function testClassNameGlobalScopeIsApplied()
         $this->assertEquals([1], $query->getBindings());
     }
 
+    public function testGlobalScopeInAttributeIsApplied()
+    {
+        $model = new EloquentGlobalScopeInAttributeTestModel;
+        $query = $model->newQuery();
+        $this->assertSame('select * from "table" where "active" = ?', $query->toSql());
+        $this->assertEquals([1], $query->getBindings());
+    }
+
     public function testClosureGlobalScopeIsApplied()
     {
         $model = new EloquentClosureGlobalScopesTestModel;
@@ -233,6 +242,12 @@ public static function boot()
     }
 }
 
+#[ScopedBy(ActiveScope::class)]
+class EloquentGlobalScopeInAttributeTestModel extends Model
+{
+    protected $table = 'table';
+}
+
 class ActiveScope implements Scope
 {
     public function apply(Builder $builder, Model $model)