handle zero values

Author: mohammedmanssour

src/Casts/TimezonedDatetime.php

@@ -37,7 +37,7 @@ public function __construct(?string $format = null)
      */
     public function get($model, $key, $value, $attributes)
     {
-        if(! $value) {
+        if(!$value && $value !== 0) {
             return null;
         }
 
@@ -57,7 +57,7 @@ public function get($model, $key, $value, $attributes)
      */
     public function set($model, $key, $value, $attributes)
     {
-        if(! $value) {
+        if(!$value && $value !== 0) {
             return null;
         }
 

tests/CastTest.php

@@ -122,4 +122,20 @@
     $output = $cast->set(fakeModel(), 'id', $input, []);
 
     expect($output)->toBeNull();
+});
+
+
+it('can mutate 0 values', function() {
+    // 4 hours difference between dubai and UTC
+    setupFacade(current: 'Asia/Dubai');
+    
+    $cast = new TimezonedDatetime('H');
+
+    $input = 0;
+    
+    $output = $cast->set(fakeModel(), 'id', $input, []);
+    expect($output)->toEqual(20);
+
+    $output = $cast->get(fakeModel(), 'id', $input, []);
+    expect($output->format('H'))->toEqual(4);
 });