sfp_api_laravel_ginastica_cerebro/app/Models/FinancialPlanAccount.php

<?php

namespace App\Models;

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

/**
 * @property int $id
 * @property int|null $unit_id
 * @property string $code
 * @property string $order
 * @property string $description
 * @property string $chart_type
 * @property \Illuminate\Support\Carbon|null $created_at
 * @property \Illuminate\Support\Carbon|null $updated_at
 * @property string|null $deleted_at
 * @property int|null $parent_id
 * @property-read \Illuminate\Database\Eloquent\Collection<int, FinancialPlanAccount> $children
 * @property-read int|null $children_count
 * @property-read FinancialPlanAccount|null $parent
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount query()
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereChartType($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereCode($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereDescription($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereOrder($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereParentId($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereUnitId($value)
 * @method static \Illuminate\Database\Eloquent\Builder<static>|FinancialPlanAccount whereUpdatedAt($value)
 * @mixin \Eloquent
 */
class FinancialPlanAccount extends Model
{
    use HasFactory;

    protected $table = 'financial_plan_accounts';

    protected $guarded = [
        'id', // Add more fields that shouldn't be edited here
    ];

    protected $casts = [
        'created_at' => 'datetime',
        'updated_at' => 'datetime',
    ];

    // Relationships

    public function parent(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(self::class, 'parent_id');
    }

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

    // Business Logic Methods

    /** Conta raiz (sem pai). */
    public function isRoot(): bool
    {
        return $this->parent_id === null;
    }

    // Custom Finders

    // Query Scopes

}