Update

app/Models/UserCreditTransaction.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class UserCreditTransaction extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id',
+        'credit_type',
+        'operation',
+        'amount',
+        'subscription_balance_after',
+        'alacarte_balance_after',
+        'description',
+        'metadata',
+    ];
+
+    protected $casts = [
+        'metadata' => 'array',
+    ];
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function userCredit(): BelongsTo
+    {
+        return $this->belongsTo(UserCredit::class, 'user_id', 'user_id');
+    }
+
+    public function scopeDeposits($query)
+    {
+        return $query->where('operation', 'deposit');
+    }
+
+    public function scopeSpending($query)
+    {
+        return $query->where('operation', 'spend');
+    }
+
+    public function isCredit(): bool
+    {
+        return $this->amount > 0;
+    }
+
+    public function isDebit(): bool
+    {
+        return $this->amount < 0;
+    }
+}