Added support for searching by invoice number in the API

app/Http/Requests/InvoiceRequest.php

@@ -1,5 +1,7 @@
 <?php namespace App\Http\Requests;
 
+use App\Models\Invoice;
+
 class InvoiceRequest extends EntityRequest {
 
     protected $entityType = ENTITY_INVOICE;
@@ -7,13 +9,21 @@ class InvoiceRequest extends EntityRequest {
     public function entity()
     {
         $invoice = parent::entity();
-        
+
+        // support loading an invoice by its invoice number
+        if ($this->invoice_number && ! $invoice) {
+            $invoice = Invoice::scope()
+                        ->whereInvoiceNumber($this->invoice_number)
+                        ->withTrashed()
+                        ->firstOrFail();
+        }
+
         // eager load the invoice items
         if ($invoice && ! $invoice->relationLoaded('invoice_items')) {
             $invoice->load('invoice_items');
         }
-         
+
         return $invoice;
     }
 
-}
+}

app/Ninja/Transformers/EntityTransformer.php

@@ -38,23 +38,23 @@ class EntityTransformer extends TransformerAbstract
     {
         return $date ? $date->getTimestamp() : null;
     }
-    
+
     public function getDefaultIncludes()
     {
         return $this->defaultIncludes;
     }
-    
+
     protected function getDefaults($entity)
     {
         $data = [
             'account_key' => $this->account->account_key,
-            'is_owner' => (bool) Auth::user()->owns($entity),
+            'is_owner' => (bool) (Auth::check() && Auth::user()->owns($entity)),
         ];
-        
+
         if ($entity->relationLoaded('user')) {
             $data['user_id'] = (int) $entity->user->public_id + 1;
         }
-        
+
         return $data;
     }
 }