sfp_api_laravel_serprati/app/Models/EvaluationCampaign.php

<?php

namespace App\Models;

use App\Enums\DefaultStatusEnum;
use App\Enums\EvaluationTargetEnum;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

class EvaluationCampaign extends Model
{
    use SoftDeletes;

    protected $guarded = ['id'];

    protected function casts(): array
    {
        return [
            'target'      => EvaluationTargetEnum::class,
            'status'      => DefaultStatusEnum::class,
            'started_at'  => 'datetime',
            'finished_at' => 'datetime',
        ];
    }

    public function createdBy(): BelongsTo
    {
        return $this->belongsTo(User::class, 'created_by');
    }

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

    public function isActive(): bool
    {
        return $this->status === DefaultStatusEnum::ACTIVE;
    }

    public function isFinished(): bool
    {
        return $this->finished_at !== null;
    }
}