first commit

app/Models/Debt.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class Debt extends Model
+{
+    use HasFactory;
+
+    public function account(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\Account::class);
+    }
+
+    public function type(): BelongsTo
+    {
+        return $this->belongsTo(\App\Models\DebtType::class);
+    }
+
+    public function payments(): HasMany
+    {
+        return $this->hasMany(\App\Models\Payment::class);
+    }
+}