ladill-link/app/Models/LinkWallet.php

<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;

class LinkWallet extends Model
{
    public const STATUS_ACTIVE = 'active';

    protected $fillable = [
        'user_id',
        'links_total',
        'clicks_total',
        'status',
    ];

    protected $casts = [
        'links_total' => 'integer',
        'clicks_total' => 'integer',
    ];

    public function user(): BelongsTo
    {
        return $this->belongsTo(User::class);
    }

    public function transactions(): HasMany
    {
        return $this->hasMany(LinkTransaction::class);
    }

    public static function pricePerLink(): float
    {
        return (float) config('link.price_per_link_ghs', 0.05);
    }
}