Add callable attributes support

src/OnboardingStep.php

@@ -10,6 +10,9 @@ class OnboardingStep implements Arrayable
 {
     protected array $attributes = [];
 
+    /** @var callable|null */
+    protected $callableAttributes;
+
     /** @var callable|null */
     protected $excludeIf;
 
@@ -58,6 +61,24 @@ public function setModel(Onboardable $model): self
         return $this;
     }
 
+    public function setCallableAttributes(): void
+    {
+        if (is_null($this->callableAttributes)) {
+            return;
+        }
+
+        $this->attributes(once(fn () => app()->call($this->callableAttributes, ['model' => $this->model])));
+    }
+
+    public function initiate(Onboardable $model): self
+    {
+        $this->setModel($model);
+
+        $this->setCallableAttributes();
+
+        return $this;
+    }
+
     public function excluded(): bool
     {
         if ($this->excludeIf && $this->model) {
@@ -91,9 +112,15 @@ public function attribute(string $key, mixed $default = null): mixed
         return Arr::get($this->attributes, $key, $default);
     }
 
-    public function attributes(array $attributes): self
+    public function attributes(array|callable $attributes): self
     {
-        $this->attributes = array_merge($this->attributes, $attributes);
+        if (is_callable($attributes)) {
+            $this->callableAttributes = $attributes;
+        }
+
+        if (is_array($attributes)) {
+            $this->attributes = array_merge($this->attributes, $attributes);
+        }
 
         return $this;
     }

src/OnboardingSteps.php

@@ -20,7 +20,7 @@ public function addStep(string $title): OnboardingStep
     public function steps(Onboardable $model): Collection
     {
         return collect($this->steps)
-            ->map(fn (OnboardingStep $step) => $step->setModel($model))
+            ->map(fn (OnboardingStep $step) => $step->initiate($model))
             ->filter(fn (OnboardingStep $step) => $step->notExcluded());
     }
 }

tests/OnboardTest.php

@@ -181,3 +181,26 @@
     expect($called)->toBe(1)
         ->and($onboarding->finished())->toBeFalse();
 });
+
+test('step attrbiutes can be callable', function () {
+    $this->user->name = fake()->name;
+
+    $onboardingSteps = new OnboardingSteps();
+    $onboardingSteps->addStep('Step 1')
+        ->link('/some/url')
+        ->cta('Test This!')
+        ->attributes(function (User $model) {
+            return [
+                'user_name' => $model->name,
+            ];
+        });
+
+    $onboarding = new OnboardingManager($this->user, $onboardingSteps);
+
+    $step = $onboarding->steps()->first();
+
+    expect($step)
+        ->user_name->not->toBeNull()
+        ->user_name->toBe($this->user->name)
+        ->title->tobe('Step 1');
+});