Make subscribers is verified a attribute getter

app/Http/Controllers/SubscribeController.php

@@ -81,7 +81,7 @@ class SubscribeController extends Controller
 
         $subscriber = Subscriber::where('verify_code', '=', $code)->first();
 
-        if (!$subscriber || $subscriber->verified()) {
+        if (!$subscriber || $subscriber->is_verified) {
             throw new BadRequestHttpException();
         }
 
@@ -106,7 +106,7 @@ class SubscribeController extends Controller
 
         $subscriber = Subscriber::where('verify_code', '=', $code)->first();
 
-        if (!$subscriber || !$subscriber->verified()) {
+        if (!$subscriber || !$subscriber->is_verified) {
             throw new BadRequestHttpException();
         }
 

app/Models/Subscriber.php

@@ -14,6 +14,7 @@ namespace CachetHQ\Cachet\Models;
 use AltThree\Validator\ValidatingTrait;
 use CachetHQ\Cachet\Presenters\SubscriberPresenter;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Builder;
 use McCool\LaravelAutoPresenter\HasPresenter;
 
 class Subscriber extends Model implements HasPresenter
@@ -65,9 +66,11 @@ class Subscriber extends Model implements HasPresenter
     /**
      * Scope a query to only include verified subscribers.
      *
+     * @param \Illuminate\Database\Eloquent\Builder $query
+     *
      * @return \Illuminate\Database\Eloquent\Builder
      */
-    public function scopeVerified($query)
+    public function scopeVerified(Builder $query)
     {
         return $query->whereNotNull('verified_at');
     }
@@ -77,7 +80,7 @@ class Subscriber extends Model implements HasPresenter
      *
      * @return bool
      */
-    public function verified()
+    public function getIsVerifiedAttribute()
     {
         return $this->verified_at !== null;
     }