ldc-supportweb/app/Models/WeekPlanning.php

<?php

namespace App\Models;

use App\Enums\Planning\TableRow;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Carbon;

class WeekPlanning extends Model
{
    use HasFactory;

    public $casts = [
        'start' => 'date',
        'planning' => 'array'
    ];

    protected $fillable = [
        'start', 'planning', 'user_id'
    ];

    public static function getWeekBlock(Carbon $start): array
    {
        $start = $start->copy();
        $out = [];
        $daysOfWeek = 5;
        for ($i = 1; $i <= $daysOfWeek; $i++) {
            $out[$start->timestamp] = [];
            foreach (TableRow::toArray() as $tableRow) {
                $out[$start->timestamp][$tableRow->value] = \array_replace(
                    self::getCell(),
                    [
                        'row' => $tableRow->value
                    ]
                );
            }
            $day = $start->addDay();
        }
        return $out;
    }

    public static function getCell(): array
    {
        return [
            /** @var \App\Enums\Planning\CellType */
            'type' => null,
            /** @var \App\Enums\Planning\TableRow */
            'row' => null,
            'foreign' => null,
            /** @var \App\Enums\Planning\CellModel */
            'cellModel' => null,
            'text' => ''
        ];
    }

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