README

This package gives nested CRUD operations on your edit page.

Inspired by Nested resources in Backpack CRUD

E.g.

Gives the avility of CRUD operations of comment model as a field on user edit page.

For Laravel-Backpack/CRUD v4.0, please use ^1.1.

Install

composer require onkbear/backpack-nested-crud

Usage

There are four (instead of create, read, update, delete) nested CRUD operations.

    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedListOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedCreateOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedUpdateOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedDeleteOperation;

Example

Please create User model and Comment model with relationship.

Please create UserCrudController.

class UserCrudController extends CrudController
{
    use \Backpack\CRUD\app\Http\Controllers\Operations\ListOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\CreateOperation;
    use \Backpack\CRUD\app\Http\Controllers\Operations\UpdateOperation;

    public function setup()
    {
        CRUD::setModel('App\Models\User');
        CRUD::setRoute(config('backpack.base.route_prefix').'/user');
        CRUD::setEntityNameStrings('user', 'users');
    }

    protected function setupListOperation()
    {
        CRUD::addColumns(['name']);
    }

    protected function setupCreateOperation()
    {
        CRUD::addField([
            'name'  => 'name',
            'label' => 'Name',
            'type'  => 'text',
            'tab'   => 'Texts',
        ]);
    }

    protected function setupUpdateOperation()
    {
        $this->setupCreateOperation();

        CRUD::addField([
            'name'      => 'comments',
            'label'     => 'Comment',
            'type'      => 'nested_crud',
            'target'    => 'comment',
            'model'     => 'App\Models\Comment',
            'tab'       => 'Comments',  // optional
        ]);
    }
}

Create the CRUD controller

use App\Http\Requests\CommentRequest as StoreRequest;
use App\Http\Requests\CommentRequest as UpdateRequest;

class UserCommentCrudController extends CrudController
{
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedListOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedCreateOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedUpdateOperation;
    use \Onkbear\NestedCrud\app\Http\Controllers\Operations\NestedDeleteOperation;

    public function setup()
    {
        // set the Eloquent object
        CRUD::setModel(\App\Models\Comment::class);

        // get the user_id parameter
        $userId = \Route::current()->parameter('user_id');

        // set a different route for the admin panel buttons
        CRUD::setRoute(config('backpack.base.route_prefix').'/user/'.$userId.'/comment');

        // show only specific user's comments
        CRUD::addClause('where', 'user_id', $userId);

        // ...
    }

    protected function setupNestedListOperation()
    {
        // ...
    }

    protected function setupNestedCreateOperation()
    {
        CRUD::setValidation(StoreRequest::class);

        // get the user_id parameter
        $userId = \Route::current()->parameter('user_id');

        // add a foreign key field as a hidden field (may need only for create operation)
        CRUD::addField([
            'name' => 'user_id',
            'type' => 'hidden',
            'value' => $userId
        ]);

        // ...
    }

    protected function setupNestedUpdateOperation()
    {
        CRUD::setValidation(UpdateRequest::class);

        // ...
    }

Add the route

Setup the route in route/custom.php

    Route::crud('user/', 'UserCrudController');
    Route::group(['prefix' => 'user/{user_id}'], function() {
        Route::crud('comment', 'UserCommentCrudController');
    });

You have following routes.

• admin/user/
• admin/user/{user_id}/comment/

That's it.

You can also use backpack operations into UserCommentCrudController or extend CommentCrudController if it is exist.

Customize views for list view

There are two templates for list view.

• nested_crud::nested_list : table view (default)
• nested_crud::nested_grid_list : grid view

If you would like to use grid view, simply use the set method below.

// UserCommentCrudController.php

    protected function setupNestedListOperation()
    {
        $this->crud->setListView('nested_crud::nested_grid_list');
    }

If you created view files with exact same name in resources/views/vendor/backpack/nested_crud folder, it will override.