Save Laravel model relationships

Saves one or more Laravel model HasMany, MorphsMany or BelongsToMany relationships by assigning relationhip id values as model attributes. Saving ir done in model's saved event. Relationship data must be validated before saving. If transactional integrity is needed, it must be implemented in calling code.

Installation

composer require vits/laravel-save-relationships

Usage

use Vits\LaravelSaveRelationships\SaveRelationships;

class Author extends Model
{
    use SaveRelationships;

    protected $saveRelationships = 'books';

    public function books(): HasMany
    {
        return $this->hasMany(Book::class);
    }
}
...
$author->books = [1, 2, 3];
$author->save();

Multiple relationship names may be given as comma separated string or as array.

protected $saveRelationships = 'books,series';
// or
protected $saveRelationships = ['books', 'series'];

Relationship may be saved by custom method. In this case all relationshop saving logic must be implemented in this method.

protected $saveRelationships = ['books' => 'saveBooks'];
protected function saveBooks($books)
{
    //...
}