<?php

namespace ProcessMaker\Traits;

use App\Events\Relations\Attached;

use App\Events\Relations\Detached;

use App\Events\Relations\Syncing;

use Illuminate\Database\Eloquent\Relations\Pivot;

use ProcessMaker\Models\CategoryAssignment;

trait HasCategories

{

public function assignable()

{

return $this->morphedByMany(CategoryAssignment::class, 'assignable');

}

public function categories()

{

$categories = $this->morphedByMany(static::categoryClass, 'category', 'category_assignments', 'assignable_id', 'category_id');

$categories->withPivotValue('assignable_type', static::class);

return $categories->using(CategoryAssignment::class);

}

/**

* Set multiple|single categories to the assignable

*

* @param string $value

*/

private function setMultipleCategories($value, $singleColumn)

{

if ($value) {

$value = explode(',', $value);

$this->attributes[$singleColumn] = $value[0];

self::saved(function ($model) use ($value) {

if ($model->getKey() === $this->getKey()) {

$this->categories()->sync($value);

}

});

} else {

$this->attributes[$singleColumn] = $value;

}

return $this;

}

}