Issue 6100

Controller_BookmarksController.php

<?php
namespace App\Controller;

use App\Controller\AppController;

/**
 * Bookmarks Controller
 *
 * @property App\Model\Table\BookmarksTable $Bookmarks
 */
class BookmarksController extends AppController
{
    public $components = ['RequestHandler'];

    /**
     * Index method
     *
     * @return void
     */
    public function index()
    {
        $this->paginate = [
            'fields' => [
                'id', 'user_id', 'title', 'created', 'url',
            ],
            'contain' => [
                'Tags',
                'Users' => ['fields' => ['id', 'email']]
            ]
        ];
        $this->set('bookmarks', $this->paginate($this->Bookmarks));
        $this->loadModel('Categories');
        $this->set('categories', $this->Categories->find('threaded'));
    }

    /**
     * Add method
     *
     * @return void
     */
    public function add()
    {
        $bookmark = $this->Bookmarks->newEntity();
        if ($this->request->is('post')) {
            $bookmark = $this->Bookmarks->patchEntity($bookmark, $this->request->data, [
                'associated' => ['Tags._joinData']
            ]);
            debug($bookmark);
        }
        $tags = $this->Bookmarks->Tags->find('list');
        $this->set(compact('bookmark', 'tags'));
    }

    /**
     * Edit method
     *
     * @param string $id
     * @return void
     * @throws \Cake\Network\Exception\NotFoundException
     */
    public function edit($id = null)
    {
        $bookmark = $this->Bookmarks->get($id, [
            'contain' => ['Tags']
        ]);
        if ($this->request->is(['patch', 'post', 'put'])) {
            $bookmark = $this->Bookmarks->patchEntity(
                $bookmark,
                $this->request->data,
                ['associated' => ['Tags._joinData']]
            );
            debug($bookmark);
        }
        $tags = $this->Bookmarks->Tags->find('list');
        $this->set(compact('bookmark', 'tags'));
    }

}

Model_Entity_Bookmark.php

<?php
namespace App\Model\Entity;

use Cake\ORM\Entity;

/**
 * Bookmark Entity.
 */
class Bookmark extends Entity
{

    /**
     * Fields that can be mass assigned using newEntity() or patchEntity().
     *
     * @var array
     */
    protected $_accessible = [
        'user_id' => true,
        'title' => true,
        'description' => true,
        'url' => true,
        'user' => true,
        'tags' => true,
    ];
}

Model_Entity_BookmarksTag.php

<?php
namespace App\Model\Entity;

use Cake\ORM\Entity;

/**
 * BookmarksTag Entity.
 */
class BookmarksTag extends Entity
{

    /**
     * Fields that can be mass assigned using newEntity() or patchEntity().
     *
     * @var array
     */
    protected $_accessible = [
        'bookmark' => true,
        'starred' => true,
        'tag' => true,
    ];
}

Model_Entity_Tag.php

<?php
namespace App\Model\Entity;

use Cake\ORM\Entity;

/**
 * Tag Entity.
 */
class Tag extends Entity
{

    /**
     * Fields that can be mass assigned using newEntity() or patchEntity().
     *
     * @var array
     */
    protected $_accessible = [
        'title' => true,
        'bookmarks' => true,
        '_joinData' => true,
    ];
}

Model_Table_BookmarksTable.php

<?php
namespace App\Model\Table;

use Cake\ORM\Query;
use Cake\ORM\Table;
use Cake\Validation\Validator;

/**
 * Bookmarks Model
 */
class BookmarksTable extends Table
{

    /**
     * Initialize method
     *
     * @param array $config The configuration for the Table.
     * @return void
     */
    public function initialize(array $config)
    {
        $this->table('bookmarks');
        $this->displayField('title');
        $this->primaryKey('id');
        $this->addBehavior('Timestamp');

        $this->belongsTo('Users', [
            'foreignKey' => 'user_id',
        ]);
        $this->belongsToMany('Tags', [
            'foreignKey' => 'bookmark_id',
            'targetForeignKey' => 'tag_id',
            'joinTable' => 'bookmarks_tags',
            'through' => 'BookmarksTags',
        ]);
    }

}

Template_Bookmarks_add.ctp

<div class="bookmarks form large-10 medium-9 columns">
<?= $this->Form->create($bookmark, ['novalidate' => true]) ?>
    <fieldset>
        <legend><?= __('Add Bookmark'); ?></legend>
    <?php
        echo $this->Form->input('title');
        echo $this->Form->input('description');
        echo $this->Form->input('url');

        echo $this->Form->input('tags.0.id', ['value' => 1]);
        echo $this->Form->input('tags.0._joinData.starred', ['value' => '1']);
        echo $this->Form->input('tags.1.id', ['value' => 6]);
        echo $this->Form->input('tags.1._joinData.starred', ['value' => '1']);
    ?>
    </fieldset>
<?= $this->Form->button(__('Submit')) ?>
<?= $this->Form->end() ?>
</div>