ladill-link/app/Models/ShortLink.php

<?php

namespace App\Models;

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

class ShortLink extends Model
{
    protected $fillable = [
        'user_id',
        'slug',
        'label',
        'destination_url',
        'is_active',
        'clicks_total',
        'unique_clicks_total',
        'last_clicked_at',
        'expires_at',
    ];

    protected $casts = [
        'is_active' => 'boolean',
        'clicks_total' => 'integer',
        'unique_clicks_total' => 'integer',
        'last_clicked_at' => 'datetime',
        'expires_at' => 'datetime',
    ];

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

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

    public function publicUrl(?User $owner = null): string
    {
        $owner ??= $this->user;
        $base = $owner ? $owner->publicLinkBaseUrl() : self::publicBaseUrl();

        return rtrim($base, '/').'/'.$this->slug;
    }

    public static function publicBaseUrl(): string
    {
        $domain = (string) config('link.public_domain', 'ladl.link');

        return 'https://'.$domain;
    }

    public function isExpired(): bool
    {
        return $this->expires_at !== null && $this->expires_at->isPast();
    }
}