add support for casting to timestamp

Author: Smef

src/Database/Eloquent/Concerns/FMHasAttributes.php

@@ -0,0 +1,23 @@
+<?php
+
+namespace BlueFeather\EloquentFileMaker\Database\Eloquent\Concerns;
+
+use Illuminate\Database\Eloquent\Concerns\HasAttributes;
+
+trait FMHasAttributes
+{
+    use HasAttributes;
+
+    /**
+     * Determine whether a value is Date / DateTime castable for inbound manipulation.
+     *
+     * @param  string  $key
+     * @return bool
+     */
+    protected function isDateCastable($key)
+    {
+        // We need to also cast timestamps as
+        return $this->hasCast($key, ['date', 'datetime', 'immutable_date', 'immutable_datetime', 'timestamp']);
+    }
+
+}

src/Database/Eloquent/FMModel.php

@@ -3,6 +3,7 @@
 namespace BlueFeather\EloquentFileMaker\Database\Eloquent;
 
 use BlueFeather\EloquentFileMaker\Database\Eloquent\Concerns\FMGuardsAttributes;
+use BlueFeather\EloquentFileMaker\Database\Eloquent\Concerns\FMHasAttributes;
 use BlueFeather\EloquentFileMaker\Database\Eloquent\Concerns\FMHasRelationships;
 use BlueFeather\EloquentFileMaker\Database\Query\FMBaseBuilder;
 use BlueFeather\EloquentFileMaker\Exceptions\FileMakerDataApiException;
@@ -19,6 +20,7 @@
 abstract class FMModel extends Model
 {
 
+    use FMHasAttributes;
     use FMHasRelationships;
     use FMGuardsAttributes;