Build the stuff for incoming invoices.

app/Models/Incoming.php

@@ -2,6 +2,7 @@
 
 namespace App\Models;
 
+use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
@@ -31,6 +32,41 @@ class Incoming extends Model
         'pay_iban',
     ];
 
+    /**
+     * The attributes that are appended with attribute getters.
+     *
+     * @var string[]
+     */
+    protected $appends = [
+        'created',
+        'paid',
+        'due',
+    ];
+
+    /**
+     * Get the pay_date attribute in local time format.
+     */
+    public function getDueAttribute(): string
+    {
+        return (is_null($this->due_date)) ? '' : Carbon::createFromFormat('Y-m-d', $this->due_date)->format('d.m.Y');
+    }
+
+    /**
+     * Get the pay_date attribute in local time format.
+     */
+    public function getPaidAttribute(): string
+    {
+        return (is_null($this->pay_date)) ? '' : Carbon::createFromFormat('Y-m-d', $this->pay_date)->format('d.m.Y');
+    }
+
+    /**
+     * Get the issue_date attribute in local time format.
+     */
+    public function getCreatedAttribute(): string
+    {
+        return Carbon::createFromFormat('Y-m-d', $this->issue_date)->format('d.m.Y');
+    }
+
     /**
      * Get the supplier of the incoming invoice.
      */