tablas y modelos

app/Models/Client.php

@@ -0,0 +1,16 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+
+class Client extends Model
+{
+    protected $guarded = [];
+
+    // Un usuario (cliente) realiza muchas compras (ventas)
+    public function sales()
+    {
+        return $this->hasMany(Sale::class);
+    }
+}