Cakephp3 Upload Thumbnail generation with Josegonzalez/Upload.Upload - php

Question

I am trying to get Josegonzalez/Upload.Upload to work. I have a working page for uploading Audio, but I am trying to make an image gallery with thumbnail generation. Upon submitting my image, I am redirected to the add page with the error "The provided value is invalid
The provided value is invalid" twice below the file upload form. I have attached my ArtworkTable.php and my view for add.
I have tried renaming things, ->AllowEmpty, and adding some database stuff.
<?php
namespace App\Model\Table;
use Cake\ORM\Query;
use Cake\ORM\RulesChecker;
use Cake\ORM\Table;
use Cake\Validation\Validator;
/**
* Artwork Model
*
* #method \App\Model\Entity\Artwork get($primaryKey, $options = [])
* #method \App\Model\Entity\Artwork newEntity($data = null, array $options = [])
* #method \App\Model\Entity\Artwork[] newEntities(array $data, array $options = [])
* #method \App\Model\Entity\Artwork|false save(\Cake\Datasource\EntityInterface $entity, $options = [])
* #method \App\Model\Entity\Artwork saveOrFail(\Cake\Datasource\EntityInterface $entity, $options = [])
* #method \App\Model\Entity\Artwork patchEntity(\Cake\Datasource\EntityInterface $entity, array $data, array $options = [])
* #method \App\Model\Entity\Artwork[] patchEntities($entities, array $data, array $options = [])
* #method \App\Model\Entity\Artwork findOrCreate($search, callable $callback = null, $options = [])
*/
class ArtworkTable extends Table
{
/**
* Initialize method
*
* #param array $config The configuration for the Table.
* #return void
*/
public function initialize(array $config)
{
parent::initialize($config);
$this->setTable('artwork');
$this->setDisplayField('title');
$this->setPrimaryKey('id');
$this->getValidator()->allowEmpty('image')->allowEmpty('thumb');
$this->addBehavior('Josegonzalez/Upload.Upload', [
'image' => [
'fields' => [
'dir' => 'image_dir',
'size' => 'image_size',
'type' => 'image_type'
],
'nameCallback' => function ($table, $entity, $data, $field, $settings) {
return strtolower($data['name']);
},
'transformer' => function ($table, $entity, $data, $field, $settings) {
$extension = pathinfo($data['name'], PATHINFO_EXTENSION);
// Store the thumbnail in a temporary file
$tmp = tempnam(sys_get_temp_dir(), 'upload') . '.' . $extension;
// Use the Imagine library to DO THE THING
$size = new \Imagine\Image\Box(40, 40);
$mode = \Imagine\Image\ImageInterface::THUMBNAIL_INSET;
$imagine = new \Imagine\Gd\Imagine();
// Save that modified file to our temp file
$imagine->open($data['tmp_name'])
->thumbnail($size, $mode)
->save($tmp);
// Now return the original *and* the thumbnail
return [
$data['tmp_name'] => $data['name'],
$tmp => 'thumbnail-' . $data['name'],
];
},
'deleteCallback' => function ($path, $entity, $field, $settings) {
// When deleting the entity, both the original and the thumbnail will be removed
// when keepFilesOnDelete is set to false
return [
$path . $entity->{$field},
$path . 'thumbnail-' . $entity->{$field}
];
},
'keepFilesOnDelete' => false
]
]);
}
/**
* Default validation rules.
*
* #param \Cake\Validation\Validator $validator Validator instance.
* #return \Cake\Validation\Validator
*/
public function validationDefault(Validator $validator)
{
$validator
->integer('id')
->allowEmptyString('id', null, 'create');
$validator
->scalar('image')
->maxLength('image', 255)
->requirePresence('image', 'create')
->notEmptyFile('image');
$validator
->scalar('thumb')
->maxLength('thumb', 255)
->allowEmpty('thumb');
$validator
->scalar('title')
->maxLength('title', 255)
->requirePresence('title', 'create')
->notEmptyString('title');
$validator
->scalar('description')
->requirePresence('description', 'create')
->notEmptyString('description');
return $validator;
}
}
View for add.ctp
<?php
/**
* #var \App\View\AppView $this
* #var \App\Model\Entity\Artwork $artwork
*/
?>
<nav class="large-3 medium-4 columns" id="actions-sidebar">
<ul class="side-nav">
<li class="heading"><?= __('Actions') ?></li>
<li><?= $this->Html->link(__('List Artwork'), ['action' => 'index']) ?></li>
</ul>
</nav>
<div class="artwork form large-9 medium-8 columns content">
<fieldset>
<legend><?= __('Add Artwork') ?></legend>
<?= $this->Form->create($artwork, ['type' => 'file']); ?>
<?= $this->Form->control('title'); ?>
<?= $this->Form->control('image', ['type' => 'file']); ?>
<?= $this->Form->control('description'); ?>
<?= $this->Form->button(__('Submit')) ?>
<?= $this->Form->end() ?>
</fieldset>
</div>