Support non required model instance (#6)

* fix Type Error when calling policy methods which don't require a model instance

src/LaravelPolicySoftCache.php

@@ -80,6 +80,12 @@ protected function callPolicyMethod(Model $user, object $policy, string $ability
             return $this->cache[$cacheKey];
         }
 
+        // If this first argument is a string, that means they are passing a class name to
+        // the policy, so we remove it because it shouldn't be in the method as parameter.
+        if (isset($args[0]) && is_string($args[0])) {
+            array_shift($args);
+        }
+
         $result = $policy->{$ability}(...array_merge([$user], $args));
         $this->cache[$cacheKey] = $result;
 

tests/PolicySoftCacheTest.php

@@ -82,6 +82,16 @@
     expect(true)->toBeTrue();
 });
 
+it('does not break if the action does not require a model instance', function () {
+    $user = new User();
+
+    Gate::policy(TestModel::class, PolicyWithoutRequiredModel::class);
+
+    $user->can('create', [TestModel::class, 1]);
+
+    expect(true)->toBeTrue();
+});
+
 class PolicyWithSoftCache implements SoftCacheable
 {
     public static int $called = 0;
@@ -106,6 +116,14 @@ public function view(User $user, TestModel $model): bool
     }
 }
 
+class PolicyWithoutRequiredModel
+{
+    public function create(User $user, int $value): bool
+    {
+        return true;
+    }
+}
+
 class TestModel extends Model
 {
 }