subscription mails bug fix

packages/Webkul/Checkout/src/Cart.php

@@ -1061,9 +1061,13 @@ class Cart {
 
             return false;
         } else {
-            $result = $this->moveToCart($id);
+            $simpleOrVariant = $this->product->find($id);
 
-            return $result;
+            if($simpleOrVariant->type == 'simple') {
+                $result = $this->add($id, $data);
+
+                return $result;
+            }
         }
     }
 }

packages/Webkul/Shop/src/Http/Controllers/SubscriptionController.php

@@ -81,13 +81,15 @@ class SubscriptionController extends Controller
                 }
             };
         } else {
-            $unique = $this->subscription->findWhere(['email' => $email]);
+            $alreadySubscribed = $this->subscription->findWhere(['email' => $email]);
 
-            if($unique->count() > 0) {
-                return 0;
-            } else {
-                return 1;
-            }
+            $unique = function() use($alreadySubscribed){
+                if($alreadySubscribed->count() > 0) {
+                    return 0;
+                } else {
+                    return 1;
+                }
+            };
         }
 
         if($unique()) {