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app/Traits/UsesUuid.php

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+<?php
+
+namespace App\Traits;
+
+use Illuminate\Support\Str;
+
+trait UsesUuid
+{
+    protected static function bootUsesUuid()
+    {
+        static::creating(function ($model) {
+            if (! $model->getKey()) {
+                $model->{$model->getKeyName()} = (string) Str::uuid();
+            }
+        });
+    }
+
+    public function getIncrementing()
+    {
+        return false;
+    }
+
+    public function getKeyType()
+    {
+        return 'string';
+    }
+}