Prevent errors when viewing orders with deleted products (#200)

Author: duncanmcclean

src/Orders/AugmentedOrder.php

@@ -61,7 +61,7 @@ public function status()
     public function downloads(): LineItems
     {
         return $this->data->lineItems()
-            ->filter(fn (LineItem $lineItem) => $lineItem->variant()?->has('downloads') ?? $lineItem->product()->has('downloads'))
+            ->filter(fn (LineItem $lineItem) => $lineItem->variant()?->has('downloads') ?? $lineItem->product()?->has('downloads'))
             ->map(fn (LineItem $lineItem) => [
                 'product' => $lineItem->product(),
                 'variant' => $lineItem->variant(),

src/Orders/LineItem.php

@@ -130,7 +130,7 @@ public function total($total = null)
 
     public function hasDownloads(): bool
     {
-        return $this->variant()?->has('downloads') ?? $this->product()->has('downloads');
+        return $this->variant()?->has('downloads') ?? $this->product()?->has('downloads') ?? false;
     }
 
     public function defaultAugmentedArrayKeys()