chore: prep 1.8.3 release

* chore: create tests to highlight the conditional instantiation problem

* Apply fixes from StyleCI

* add callback and invokable class + tests

* Apply fixes from StyleCI

* address stan issue on php 8.2

* Revert "address stan issue on php 8.2"

This reverts commit 1fc2c8801a.

* attempt to make stan happy

* Revert "attempt to make stan happy"

This reverts commit 1cc327bb3b.

* is it really that simple?

* Revert "is it really that simple?"

This reverts commit 2006755cf1.

* let's try this

* Update framework/core/src/Extend/Conditional.php

Co-authored-by: Sami Mazouz <sychocouldy@gmail.com>

---------

Co-authored-by: StyleCI Bot <bot@styleci.io>
Co-authored-by: Sami Mazouz <sychocouldy@gmail.com>

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## [v1.8.3](https://github.com/flarum/framework/compare/v1.8.2...v1.8.3)
+### Fixed
+* Console extender does not accept ::class [#3900]
+* Conditional extender instantiation [#3898]
+
 ## [v1.8.2](https://github.com/flarum/framework/compare/v1.8.1...v1.8.2)
 ### Fixed
 * suspended users can abuse avatar upload [#3890]

framework/core/src/Extend/Conditional.php

@@ -13,17 +13,34 @@ use Flarum\Extension\Extension;
 use Flarum\Extension\ExtensionManager;
 use Illuminate\Contracts\Container\Container;
 
+/**
+ * The Conditional extender allows developers to conditionally apply other extenders
+ * based on either boolean values or results from callable functions.
+ *
+ * This is useful for applying extenders only if certain conditions are met,
+ * such as the presence of an enabled extension or a specific configuration setting.
+ */
 class Conditional implements ExtenderInterface
 {
     /**
-     * @var array<array{condition: bool|callable, extenders: ExtenderInterface[]}>
+     * An array of conditions and their associated extenders.
+     *
+     * Each entry should have:
+     * - 'condition': a boolean or callable that should return a boolean.
+     * - 'extenders': an array of extenders, a callable returning an array of extenders, or an invokable class string.
+     *
+     * @var array<array{condition: bool|callable, extenders: ExtenderInterface[]|callable|string}>
      */
     protected $conditions = [];
 
     /**
-     * @param ExtenderInterface[] $extenders
+     * Apply extenders only if a specific extension is enabled.
+     *
+     * @param string $extensionId The ID of the extension.
+     * @param ExtenderInterface[]|callable|string $extenders An array of extenders, a callable returning an array of extenders, or an invokable class string.
+     * @return self
      */
-    public function whenExtensionEnabled(string $extensionId, array $extenders): self
+    public function whenExtensionEnabled(string $extensionId, $extenders): self
     {
         return $this->when(function (ExtensionManager $extensions) use ($extensionId) {
             return $extensions->isEnabled($extensionId);
@@ -31,10 +48,14 @@ class Conditional implements ExtenderInterface
     }
 
     /**
-     * @param bool|callable $condition
+     * Apply extenders based on a condition.
-     * @param ExtenderInterface[] $extenders
+     *
+     * @param bool|callable $condition A boolean or callable that should return a boolean.
+     *                                 If this evaluates to true, the extenders will be applied.
+     * @param ExtenderInterface[]|callable|string $extenders An array of extenders, a callable returning an array of extenders, or an invokable class string.
+     * @return self
      */
-    public function when($condition, array $extenders): self
+    public function when($condition, $extenders): self
     {
         $this->conditions[] = [
             'condition' => $condition,
@@ -44,6 +65,13 @@ class Conditional implements ExtenderInterface
         return $this;
     }
 
+    /**
+     * Iterates over the conditions and applies the associated extenders if the conditions are met.
+     *
+     * @param Container $container
+     * @param Extension|null $extension
+     * @return void
+     */
     public function extend(Container $container, Extension $extension = null)
     {
         foreach ($this->conditions as $condition) {
@@ -52,7 +80,13 @@ class Conditional implements ExtenderInterface
             }
 
             if ($condition['condition']) {
-                foreach ($condition['extenders'] as $extender) {
+                $extenders = $condition['extenders'];
+
+                if (is_string($extenders) || is_callable($extenders)) {
+                    $extenders = $container->call($extenders);
+                }
+
+                foreach ($extenders as $extender) {
                     $extender->extend($container, $extension);
                 }
             }

framework/core/src/Extend/Console.php

@@ -10,6 +10,7 @@
 namespace Flarum\Extend;
 
 use Flarum\Extension\Extension;
+use Flarum\Foundation\ContainerUtil;
 use Illuminate\Contracts\Container\Container;
 
 class Console implements ExtenderInterface
@@ -61,7 +62,11 @@ class Console implements ExtenderInterface
             return array_merge($existingCommands, $this->addCommands);
         });
 
-        $container->extend('flarum.console.scheduled', function ($existingScheduled) {
+        $container->extend('flarum.console.scheduled', function ($existingScheduled) use ($container) {
+            foreach ($this->scheduled as &$schedule) {
+                $schedule['callback'] = ContainerUtil::wrapCallback($schedule['callback'], $container);
+            }
+
             return array_merge($existingScheduled, $this->scheduled);
         });
     }

framework/core/src/Foundation/Application.php

@@ -21,7 +21,7 @@ class Application
      *
      * @var string
      */
-    const VERSION = '1.8.2';
+    const VERSION = '1.8.3';
 
     /**
      * The IoC container for the Flarum application.

framework/core/tests/integration/extenders/ConditionalTest.php

@@ -159,4 +159,140 @@ class ConditionalTest extends TestCase
 
         $this->app();
     }
+
+    /** @test */
+    public function conditional_does_not_instantiate_extender_if_condition_is_false_using_callable()
+    {
+        $this->extend(
+            (new Extend\Conditional())
+                ->when(false, TestExtender::class)
+        );
+
+        $this->app();
+
+        $response = $this->send(
+            $this->request('GET', '/api', [
+                'authenticatedAs' => 1,
+            ])
+        );
+
+        $payload = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayNotHasKey('customConditionalAttribute', $payload['data']['attributes']);
+    }
+
+    /** @test */
+    public function conditional_does_instantiate_extender_if_condition_is_true_using_callable()
+    {
+        $this->extend(
+            (new Extend\Conditional())
+                ->when(true, TestExtender::class)
+        );
+
+        $this->app();
+
+        $response = $this->send(
+            $this->request('GET', '/api', [
+                'authenticatedAs' => 1,
+            ])
+        );
+
+        $payload = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayHasKey('customConditionalAttribute', $payload['data']['attributes']);
+    }
+
+    /** @test */
+    public function conditional_does_not_instantiate_extender_if_condition_is_false_using_callback()
+    {
+        $this->extend(
+            (new Extend\Conditional())
+                ->when(false, function (): array {
+                    return [
+                        (new Extend\ApiSerializer(ForumSerializer::class))
+                            ->attributes(function () {
+                                return [
+                                    'customConditionalAttribute' => true
+                                ];
+                            })
+                    ];
+                })
+        );
+
+        $this->app();
+
+        $response = $this->send(
+            $this->request('GET', '/api', [
+                'authenticatedAs' => 1,
+            ])
+        );
+
+        $payload = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayNotHasKey('customConditionalAttribute', $payload['data']['attributes']);
+    }
+
+    /** @test */
+    public function conditional_does_instantiate_extender_if_condition_is_true_using_callback()
+    {
+        $this->extend(
+            (new Extend\Conditional())
+                ->when(true, function (): array {
+                    return [
+                        (new Extend\ApiSerializer(ForumSerializer::class))
+                            ->attributes(function () {
+                                return [
+                                    'customConditionalAttribute' => true
+                                ];
+                            })
+                    ];
+                })
+        );
+
+        $this->app();
+
+        $response = $this->send(
+            $this->request('GET', '/api', [
+                'authenticatedAs' => 1,
+            ])
+        );
+
+        $payload = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayHasKey('customConditionalAttribute', $payload['data']['attributes']);
+    }
+
+    /** @test */
+    public function conditional_does_not_work_if_extension_is_disabled()
+    {
+        $this->extend(
+            (new Extend\Conditional())
+                ->whenExtensionEnabled('dummy-extension-id', TestExtender::class)
+        );
+
+        $response = $this->send(
+            $this->request('GET', '/api', [
+                'authenticatedAs' => 1,
+            ])
+        );
+
+        $payload = json_decode($response->getBody()->getContents(), true);
+
+        $this->assertArrayNotHasKey('customConditionalAttribute', $payload['data']['attributes']);
+    }
+}
+
+class TestExtender
+{
+    public function __invoke(): array
+    {
+        return [
+            (new Extend\ApiSerializer(ForumSerializer::class))
+                ->attributes(function () {
+                    return [
+                        'customConditionalAttribute' => true
+                    ];
+                })
+        ];
+    }
 }

framework/core/tests/integration/extenders/ConsoleTest.php

@@ -75,6 +75,23 @@ class ConsoleTest extends ConsoleTestCase
 
         $this->assertStringContainsString('cache:clear', $this->runCommand($input));
     }
+
+    /**
+     * @test
+     */
+    public function scheduled_command_exists_when_added_with_class_syntax()
+    {
+        $this->extend(
+            (new Extend\Console())
+                ->schedule('cache:clear', ScheduledCommandCallback::class)
+        );
+
+        $input = [
+            'command' => 'schedule:list'
+        ];
+
+        $this->assertStringContainsString('cache:clear', $this->runCommand($input));
+    }
 }
 
 class CustomCommand extends AbstractCommand
@@ -95,3 +112,11 @@ class CustomCommand extends AbstractCommand
         $this->info('Custom Command.');
     }
 }
+
+class ScheduledCommandCallback
+{
+    public function __invoke(Event $event)
+    {
+        $event->everyMinute();
+    }
+}