ldc-com-app-bo/app/Models/Directory.php

<?php

namespace App\Models;

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

/**
 * @property integer $id
 * @property string $name
 * @property integer $directory_id
 * @property integer $order
 * @property boolean $needAuthorization
 */
class Directory extends Model
{
    use HasFactory;

    /**
     * Fillable;
     *
     * @var string[]
     */
    protected $fillable = [
        'name',
        'directory_id',
        'order',
        'needAuthorization',
        'is_system'
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array
     */
    protected $casts = [
        'name' => 'array'
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted()
    {
        static::creating(function (self $model) {
            self::setIsSystem($model);
            self::setOrder($model);
        });
        static::deleting(function (self $model) {
            $model->appusers()->detach();
            foreach ($model->documents as $key => $document) {
                $document->delete();
            };
        });
    }

    // * METHODS

    /**
     * Set order after the last element of the list.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     */
    private static function setOrder(Model $model): void
    {
        $model->order = \intval(self::query()->max('order')) + 1;
    }

    /**
     * Set order after the last element of the list.
     *
     * @param \Illuminate\Database\Eloquent\Model $model
     * @return void
     */
    private static function setIsSystem(Model $model): void
    {
        $model->is_system = ($model->is_system) ? $model->is_system : 0;
    }

    /**
     * Render directories.
     *
     * @param \Illuminate\Database\Eloquent\Collection | array $directories
     * @return \Illuminate\Database\Eloquent\Collection | array
     */
    public static function renderDirectories($directories)
    {
        foreach ($directories as $k => $directory) {
            $directories[$k]->name = Directory::renameDirectory($directory, "");
        }
        return $directories;
    }

    /**
     * Rename directory.
     *
     * @param Directory $model
     * @param string    $nameDirectory
     * @return array
     */
    private static function renameDirectory(Directory $model, string $nameDirectory)
    {
        if (strlen($nameDirectory)) {
            $nameDirectory = $model->name['fr'] . " / " . $nameDirectory;
        } else {
            $nameDirectory = $model->name['fr'];
        }
        if (isset($model->parent)) {
            $nameDirectory = $model->renameDirectory($model->parent, $nameDirectory);
        }
        return $nameDirectory;
    }

    /**
     * Rename directory.
     *
     * @return LaravelModelList
     */
    public static function getChildrenDirectories()
    {
        $directories = [];
        foreach (Directory::orderBy('order', 'ASC')->get()->toArray() as $key => $value) {
            if (count(Directory::get()[$key]->children) === 0) {
                array_push($directories, Directory::get()[$key]);
            }
        }
        return Directory::renderDirectories($directories);
    }

    // * RELATIONSHIPS

    /**
     * One To Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function parent()
    {
        return $this->belongsTo('App\Models\Directory', 'directory_id');
    }

    /**
     * Has Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function children()
    {
        return $this->hasMany('App\Models\Directory', 'directory_id');
    }

    /**
     * MorphedByMany appusers relation
     *
     * @return \Illuminate\Database\Eloquent\Relations\MorphedByMany
     */
    public function appusers()
    {
        return $this->morphedByMany(AppUser::class, 'directorable');
    }

    /**
     * Has Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function documents()
    {
        return $this->hasMany('App\Models\Document', 'directory_id');
    }
}