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<?php
/**
* @author Tassos Marinos <info@tassos.gr>
* @link https://www.tassos.gr
* @copyright Copyright © 2024 Tassos All Rights Reserved
* @license GNU GPLv3 <http://www.gnu.org/licenses/gpl.html> or later
*/
namespace NRFramework\Widgets;
defined('_JEXEC') or die;
use Joomla\Registry\Registry;
use Joomla\CMS\Helper\TagsHelper;
use Joomla\CMS\Factory;
use NRFramework\Helpers\Widgets\GalleryManager2 as GalleryManagerHelper;
use NRFramework\Image;
use Joomla\CMS\Uri\Uri;
use Joomla\CMS\Language\Text;
use Joomla\Filesystem\File;
use Joomla\Filesystem\Folder;
/**
* Gallery Manager
*/
class GalleryManager2 extends Widget
{
/**
* Widget default options
*
* @var array
*/
protected $widget_options = [
// The uploaded images
'value' => [],
// The input name
'name' => '',
// Context of the field
// module, default
'context' => 'default',
// The field ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'field_id' => null,
// The item ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'item_id' => null,
/**
* Max file size in MB.
*
* Defults to 0 (no limit).
*/
'max_file_size' => 0,
/**
* How many files we can upload.
*
* Defaults to 0 (no limit).
*/
'limit_files' => 0,
// Allowed upload file types
'allowed_file_types' => '.jpg, .jpeg, .png, .webp, image/*',
/**
* Original Image
*/
// Original image resize width
'original_image_resize_width' => null,
// Original image resize height
'original_image_resize_height' => null,
/**
* Thumbnails
*/
// Thumbnails width
'thumb_width' => null,
// Thumbnails height
'thumb_height' => null,
// Thumbnails resize method (crop, stretch, fit)
'thumb_resize_method' => 'crop',
// The list of tags already available for this gallery
'tags' => [],
// Open AI API Key
'openai_api_key' => '',
// The widget name
'widget' => 'GalleryManager2'
];
public function __construct($options = [])
{
parent::__construct($options);
$this->prepare();
}
private function prepare()
{
$this->includeTempFiles();
// Set css class for readonly state
if ($this->options['readonly'])
{
$this->options['css_class'] .= ' readonly';
}
// Adds a css class when the gallery contains at least one item
if (is_array($this->options['value']) && count($this->options['value']))
{
$this->options['css_class'] .= ' dz-has-items';
}
// Get the Open AI API key
$this->options['openai_api_key'] = \NRFramework\Helpers\Settings::getValue('openai_api_key');
// Load translation strings
Text::script('NR_GALLERY_MANAGER_CONFIRM_DELETE_ALL_SELECTED');
Text::script('NR_GALLERY_MANAGER_CONFIRM_DELETE_ALL');
Text::script('NR_GALLERY_MANAGER_CONFIRM_DELETE');
Text::script('NR_GALLERY_MANAGER_FILE_MISSING');
Text::script('NR_GALLERY_MANAGER_REACHED_FILES_LIMIT');
Text::script('NR_GENERATE_IMAGE_DESC_TO_ALL_IMAGES_CONFIRM');
$this->prepareTags();
}
/**
* Find and include temp files in the gallery.
*
* @return void
*/
private function includeTempFiles()
{
$ds = DIRECTORY_SEPARATOR;
$tempFolder = GalleryManagerHelper::getFullTempFolder($this->options['context'], $this->options['field_id'], $this->options['item_id']);
if (!is_dir($tempFolder))
{
return;
}
$files = Folder::files($tempFolder, '.', false, false, ['.', '..', 'index.html', 'index.php']);
if (!$files)
{
return;
}
$relativeTempFolder = ltrim(str_replace(JPATH_ROOT, '', $tempFolder), $ds);
foreach ($files as $filename)
{
$this->options['value'][] = [
'source' => implode($ds, [$relativeTempFolder, $filename]),
'original' =>'',
'exists' => true,
'caption' => '',
'thumbnail' => '',
'slideshow' => '',
'alt' => '',
'tags' => json_encode([]),
'temp' => true
];
}
}
private function prepareTags()
{
if (!is_array($this->options['value']))
{
return;
}
$db = Factory::getDbo();
$query = $db->getQuery(true)
->select([$db->quoteName('id'), $db->quoteName('title')])
->from($db->quoteName('#__tags'))
->where($db->quoteName('published') . ' = 1')
->where($db->quoteName('level') . ' > 0');
$db->setQuery($query);
$tags = $db->loadAssocList('id', 'title');
$this->options['tags'] = $tags;
}
/**
* The upload task called by the AJAX hanler
*
* @return void
*/
protected function ajax_upload()
{
// Increase memory size and execution time to prevent PHP errors on datasets > 20K
set_time_limit(300); // 5 Minutes
ini_set('memory_limit', '-1');
$input = Factory::getApplication()->input;
$random_suffix = $input->get('random_suffix', 'false') === 'true' ? true : false;
// Make sure we have a valid context
if (!$context = $input->get('context'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_CONTEXT_ERROR');
}
// Make sure we have a valid file passed
if (!$file = $input->files->get('file'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
// In case we allow multiple uploads the file parameter is a 2 levels array.
$first_property = array_pop($file);
if (is_array($first_property))
{
$file = $first_property;
}
$uploadSettings = [
'context' => $context,
'field_id' => $input->getInt('field_id'),
'item_id' => $input->getInt('item_id'),
'allow_unsafe' => false,
'allowed_types' => $this->widget_options['allowed_file_types'],
'random_suffix' => $random_suffix
];
// Upload the file and resize the images as required
if (!$source = GalleryManagerHelper::upload($file, $uploadSettings))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_CANNOT_UPLOAD_FILE');
}
echo json_encode([
'source' => $source
]);
}
/**
* The delete task called by the AJAX hanlder
*
* @return void
*/
protected function ajax_delete()
{
// Increase memory size and execution time to prevent PHP errors on datasets > 20K
set_time_limit(300); // 5 Minutes
ini_set('memory_limit', '-1');
$input = Factory::getApplication()->input;
// Get source image path.
$source = $input->getString('source');
// Get the slideshow image path.
$slideshow = $input->getString('slideshow', '');
// Get the original image
$original = $input->getString('original');
// Get the thumbnail image
$thumbnail = $input->getString('thumbnail');
if (!$context = $input->get('context'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_CONTEXT_ERROR');
}
$field_id = $input->getInt('field_id');
$item_id = $input->getInt('item_id');
if (!$field_data = GalleryManagerHelper::getSettings($context, $field_id, $item_id))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
// Delete the source, original, and thumbnail file
$deleted = GalleryManagerHelper::deleteFile($source, $slideshow, $original, $thumbnail);
echo json_encode(['success' => $deleted]);
}
public function ajax_generate_caption()
{
set_time_limit(300); // 5 Minutes
ini_set('memory_limit', '-1');
$fullURL = Uri::root() . Factory::getApplication()->input->getString('image');
$imageToText = new \NRFramework\AI\TextGeneration\ImageToText();
$generated = $imageToText->generate($fullURL);
echo json_encode($generated);
}
/**
* Exits the page with given message.
*
* @param string $translation_string
*
* @return void
*/
private function exitWithMessage($translation_string)
{
http_response_code('500');
die(Text::_($translation_string));
}
}