feat: tambah fitur iuran anggota (MemberDue)

app/Models/MemberDue.php

@@ -0,0 +1,34 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class MemberDue extends Model
+{
+    protected $fillable = [
+        'user_id', 'amount', 'period', 'status', 'paid_at', 'notes', 'created_by',
+    ];
+
+    protected $casts = [
+        'paid_at' => 'date',
+    ];
+
+    protected static function booted(): void
+    {
+        static::creating(function (MemberDue $due) {
+            $due->created_by ??= auth()->id();
+        });
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function creator(): BelongsTo
+    {
+        return $this->belongsTo(User::class, 'created_by');
+    }
+}