autocde2.0/app/Models/Task.php

<?php

namespace App\Models;

use App\Models\Scopes\CompanyScope;
use EloquentFilter\Filterable;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;

class Task extends Model
{
    use HasFactory, Filterable, SoftDeletes;

    protected $guarded = [
        'id'
    ];

    protected $casts = [
        'mailto' => 'array',
        'custom_fields' => 'array',
    ];

    protected static function booted(): void
    {
        static::addGlobalScope(new CompanyScope);
    }

    public function requirement(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Requirement::class);
    }

    public function project(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Project::class);
    }

    public function namingRule(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(NamingRule::class);
    }

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

    public function reviewBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'review_by');
    }

    public function finishedBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'finished_by');
    }

    public function approveBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'approve_by');
    }

    public function canceledBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'canceled_by');
    }

    public function children(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Task::class, 'parent_id');
    }

    public function closedBy(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'closed_by');
    }

    public function assignTo(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(User::class, 'assign');
    }

}