BelongsTo Field with Dependency

Installation

You can install the package in to a Laravel app that uses Nova via composer:

composer require orlyapps/nova-belongsto-depend

Use this field in your Nova Resource

public function fields(Request $request)
{
    return [
        ID::make()->sortable(),
        Text::make('Name')->rules('required', 'max:255'),

        NovaBelongsToDepend::make('Company')
            ->options(\App\Company::all()),
        NovaBelongsToDepend::make('Department')
            ->optionsResolve(function ($company) {
                // Reduce the amount of unnecessary data sent
                return $company->departments()->get(['id','name']);
            })
            ->dependsOn('Company'),
        NovaBelongsToDepend::make('Location')
            ->optionsResolve(function ($company) {
                // Reduce the amount of unnecessary data sent
                return $company->locations()->get(['id','name']);
            })
            ->dependsOn('Company'),

    ];
}

Sample

Demo Project

• Warehouse hasMany Articles
• Articles belongsToMany Suppliers
• Suppliers belongsToMany Articles

1. Select a Warehouse and get all articles of the warehouse
2. Select a Article and get all suppliers who has this article

public function fields(Request $request)
{
    return [
        ID::make()->sortable(),
        Text::make('Name')->rules('required', 'max:255'),

        NovaBelongsToDepend::make('Warehouse')
        ->options(\App\Warehouse::all())
        ->rules('required'),
        NovaBelongsToDepend::make('Article')
            ->optionsResolve(function ($warehouse) {
                return $warehouse->articles;
            })
            ->dependsOn('Warehouse')
            ->rules('required'),
        NovaBelongsToDepend::make('Supplier')
            ->optionsResolve(function ($article) {
                return \App\Supplier::whereHas('articles', function ($q) use ($article) {
                    $q->where('article_id', $article->id);
                })->get();
            })
            ->dependsOn('Article')
            ->rules('required'),


    ];
}

Security

If you discover any security related issues, please email [email protected] instead of using the issue tracker.

Credits

• Orlyapps

License

The MIT License (MIT). Please see License File for more information.