<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;

/**
 * One entry in an incident's timeline.
 *
 * Append-only by intent: an update is a statement made at a time, and editing
 * what was said afterwards is exactly what a record like this exists to make
 * impossible. Corrections are a further update.
 */
class IncidentUpdate extends Model
{
    /** @use HasFactory<\Database\Factories\IncidentUpdateFactory> */
    use HasFactory;

    protected $fillable = ['incident_id', 'status', 'body', 'created_by'];

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