Files
conservatorio-tomadini/plugins/system/nrframework/NRFramework/Widgets/GalleryManager.php
2024-12-31 11:07:09 +01:00

609 lines
18 KiB
PHP

<?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 Joomla\CMS\Uri\Uri;
use NRFramework\Helpers\Widgets\GalleryManager as GalleryManagerHelper;
use NRFramework\Image;
use Joomla\CMS\Language\Text;
use Joomla\Filesystem\File;
/**
* Gallery Manager
*/
class GalleryManager extends Widget
{
/**
* Widget default options
*
* @var array
*/
protected $widget_options = [
// The input name
'name' => '',
// Context of the field
// module, default
'context' => 'default',
// The field ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'field_id' => null,
// The item ID associated to this Gallery Manager, used to retrieve the field settings on AJAX actions
'item_id' => null,
/**
* Max file size in MB.
*
* Defults to 0 (no limit).
*/
'max_file_size' => 0,
/**
* How many files we can upload.
*
* Defaults to 0 (no limit).
*/
'limit_files' => 0,
// Allowed upload file types
'allowed_file_types' => '.jpg, .jpeg, .png, .gif, .webp, image/webp',
/**
* Original Image
*/
// Original image resize width
'original_image_resize_width' => null,
// Original image resize height
'original_image_resize_height' => null,
/**
* Thumbnails
*/
// Thumbnails width
'thumb_width' => null,
// Thumbnails height
'thumb_height' => null,
// Thumbnails resize method (crop, stretch, fit)
'thumb_resize_method' => 'crop',
// The list of tags already available for this gallery
'tags' => [],
// Open AI API Key
'openai_api_key' => '',
// The widget name
'widget' => 'GalleryManager'
];
public function __construct($options = [])
{
parent::__construct($options);
$this->prepare();
}
private function prepare()
{
// Set gallery items
$this->options['gallery_items'] = is_array($this->options['value']) ? $this->options['value'] : [];
// Set css class for readonly state
if ($this->options['readonly'])
{
$this->options['css_class'] .= ' readonly';
}
// Adds a css class when the gallery contains at least one item
if (count($this->options['gallery_items']))
{
$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_REGENERATE_IMAGES');
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');
$this->prepareTags();
}
private function prepareTags()
{
if (!is_array($this->options['gallery_items']))
{
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'] = $tags;
}
private function getSettings($context)
{
// Make sure we have a valid context
if (!$context)
{
return false;
}
$field_data = [];
$input = Factory::getApplication()->input;
if ($context === 'default')
{
// Make sure we have a valid field id
if (!$field_id = $input->getInt('field_id'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_FIELD_ID_ERROR');
}
if (!$field_data = \NRFramework\Helpers\CustomField::getData($field_id))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
}
else if ($context === 'module')
{
// Make sure we have a valid item id
if (!$item_id = $input->getInt('item_id'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ITEM_ID_ERROR');
}
if (!$field_data = \NRFramework\Helpers\Module::getData($item_id))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
$field_data->set('style', $field_data->get('provider', 'grid'));
}
return $field_data;
}
/**
* The upload task called by the AJAX hanler
*
* @return void
*/
protected function ajax_upload()
{
$input = Factory::getApplication()->input;
// Make sure we have a valid context
if (!$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'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
if (!$field_data = $this->getSettings($context))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
// get the media uploader file data, values are passed when we upload a file using the Media Uploader
$media_uploader_file_data = [
'is_media_uploader_file' => $input->get('media_uploader', false) == '1',
'media_uploader_filename' => $input->getString('media_uploader_filename', '')
];
// 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;
}
$style = $field_data->get('style', 'grid');
$uploadSettings = [
'allow_unsafe' => false,
'allowed_types' => $field_data->get('allowed_file_types', $this->widget_options['allowed_file_types']),
'style' => $style
];
// Add watermark
if ($field_data->get('watermark.type', 'disabled') !== 'disabled')
{
$uploadSettings['watermark'] = (array) $field_data->get('watermark', []);
$uploadSettings['watermark']['image'] = !empty($uploadSettings['watermark']['image']) ? explode('#', JPATH_SITE . DIRECTORY_SEPARATOR . $uploadSettings['watermark']['image'])[0] : null;
$uploadSettings['watermark']['apply_on_thumbnails'] = $field_data->get('watermark.apply_on_thumbnails', false) === '1';
}
$field_data_array = $field_data->toArray();
$resize_method = $field_data->get('resize_method', 'crop');
$thumb_height = $field_data->get('thumb_height', null);
switch ($style)
{
case 'slideshow':
if (isset($field_data_array['slideshow_thumb_height']))
{
$thumb_height = $field_data_array['slideshow_thumb_height'];
}
if ($slideshow_resize_method = $field_data->get('slideshow_resize_method'))
{
$resize_method = $slideshow_resize_method;
}
break;
case 'masonry':
$thumb_height = null;
break;
case 'zjustified':
case 'justified':
$thumb_height = $field_data->get('justified_item_height', 200);
break;
}
// resize image settings
$resizeSettings = [
'thumb_height' => $thumb_height,
'thumb_resize_method' => $resize_method,
// TODO: Remove this line when ACF is also updated, so we don't rely on this to resize the original image
'original_image_resize' => false,
'original_image_resize_width' => $field_data->get('original_image_resize_width'),
'original_image_resize_height' => $field_data->get('original_image_resize_height')
];
/**
* For backwards compatibility.
*
* TODO: Update this code block to not rely on "original_image_resize" to resize original image when removed from ACF.
*/
$resize_original_image_setting_value = $field_data->get('original_image_resize', null);
if ($style === 'slideshow' && ($resizeSettings['original_image_resize_width'] || $resizeSettings['original_image_resize_height']))
{
$resize_original_image_setting_value = true;
}
if ($resize_original_image_setting_value)
{
$resizeSettings['original_image_resize_height'] = $style === 'slideshow' ? $resizeSettings['original_image_resize_height'] : null;
$resizeSettings['original_image_resize'] = $style === 'slideshow' ? true : $resize_original_image_setting_value;
}
else if (is_null($resize_original_image_setting_value) && ($resizeSettings['original_image_resize_width'] || $resizeSettings['original_image_resize_height']))
{
$resizeSettings['original_image_resize'] = true;
}
if (!$resizeSettings['original_image_resize'])
{
$resizeSettings['original_image_resize_width'] = null;
$resizeSettings['original_image_resize_height'] = null;
}
if (in_array($style, ['grid', 'masonry', 'slideshow']))
{
$resizeSettings['thumb_width'] = $field_data->get('thumb_width');
$slideshow_thumb_width = $field_data->get('slideshow_thumb_width');
if (!is_null($slideshow_thumb_width) && $style === 'slideshow')
{
$resizeSettings['thumb_width'] = $slideshow_thumb_width;
}
}
// Upload the file and resize the images as required
if (!$uploaded_filenames = GalleryManagerHelper::upload($file, $uploadSettings, $media_uploader_file_data, $resizeSettings))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_CANNOT_UPLOAD_FILE');
}
echo json_encode([
'source' => $uploaded_filenames['source'],
'original' => $uploaded_filenames['original'],
'thumbnail' => $uploaded_filenames['thumbnail'],
'is_media_uploader_file' => $media_uploader_file_data['is_media_uploader_file']
]);
}
/**
* The delete task called by the AJAX hanlder
*
* @return void
*/
protected function ajax_delete()
{
$input = Factory::getApplication()->input;
// Get source image path.
$source = $input->getString('source');
// Make sure we have a valid file passed
if (!$original = $input->getString('original'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
// Make sure we have a valid file passed
if (!$thumbnail = $input->getString('thumbnail'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_ERROR_INVALID_FILE');
}
if (!$context = $input->get('context'))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_CONTEXT_ERROR');
}
if (!$field_data = $this->getSettings($context))
{
$this->exitWithMessage('NR_GALLERY_MANAGER_INVALID_FIELD_DATA');
}
// Delete the source, original, and thumbnail file
$deleted = GalleryManagerHelper::deleteFile($source, $original, $thumbnail);
echo json_encode(['success' => $deleted]);
}
/**
* This task allows us to regenerate the images.
*
* @return void
*/
protected function ajax_regenerate_images()
{
$input = Factory::getApplication()->input;
// Make sure we have a valid context
if (!$context = $input->get('context'))
{
echo json_encode(['success' => false, 'message' => Text::_('NR_GALLERY_MANAGER_CONTEXT_ERROR')]);
die();
}
if (!$field_data = $this->getSettings($context))
{
echo json_encode(['success' => false, 'message' => Text::_('NR_GALLERY_MANAGER_INVALID_FIELD_DATA')]);
die();
}
$field_id = $input->getInt('field_id');
$item_id = $input->getInt('item_id');
$field_data_array = $field_data->toArray();
$style = $field_data->get('style', 'grid');
$resize_method = $field_data->get('resize_method', 'crop');
$thumb_height = $field_data->get('thumb_height', null);
switch ($style)
{
case 'slideshow':
if (isset($field_data_array['slideshow_thumb_height']))
{
$thumb_height = $field_data_array['slideshow_thumb_height'];
}
if ($slideshow_resize_method = $field_data->get('slideshow_resize_method'))
{
$resize_method = $slideshow_resize_method;
}
break;
case 'masonry':
$thumb_height = null;
break;
case 'zjustified':
case 'justified':
$thumb_height = $field_data->get('justified_item_height', 200);
break;
}
$resizeSettings = [
'thumb_height' => $thumb_height,
'thumb_resize_method' => $resize_method
];
if (in_array($style, ['grid', 'masonry', 'slideshow']))
{
$resizeSettings['thumb_width'] = $field_data->get('thumb_width');
$slideshow_thumb_width = $field_data->get('slideshow_thumb_width');
if (!is_null($slideshow_thumb_width) && $style === 'slideshow')
{
$resizeSettings['thumb_width'] = $slideshow_thumb_width;
}
}
// TODO: Remove this line when ACF is also updated, so we don't rely on this to resize the original image
$original_image_resize = false;
$original_image_resize_width = $field_data->get('original_image_resize_width');
$original_image_resize_height = $field_data->get('original_image_resize_height');
/**
* For backwards compatibility.
*
* TODO: Update this code block to not rely on "original_image_resize" to resize original image when removed from ACF.
*/
$resize_original_image_setting_value = $field_data->get('original_image_resize', null);
if ($style === 'slideshow' && ($original_image_resize_width || $original_image_resize_height))
{
$resize_original_image_setting_value = true;
}
if ($resize_original_image_setting_value)
{
$original_image_resize_height = $style === 'slideshow' ? $original_image_resize_height : null;
$original_image_resize = $style === 'slideshow' ? true : $resize_original_image_setting_value;
}
else if (is_null($resize_original_image_setting_value) && ($original_image_resize_width || $original_image_resize_height))
{
$original_image_resize = true;
}
if (!$original_image_resize)
{
$original_image_resize_width = null;
$original_image_resize_height = null;
}
$watermarkSettings = [];
// Add watermark
if ($field_data->get('watermark.type', 'disabled') !== 'disabled')
{
$watermarkSettings = (array) $field_data->get('watermark', []);
$watermarkSettings['image'] = !empty($watermarkSettings['image']) ? explode('#', JPATH_SITE . DIRECTORY_SEPARATOR . $watermarkSettings['image'])[0] : null;
$watermarkSettings['apply_on_thumbnails'] = $field_data->get('watermark.apply_on_thumbnails', false) === '1';
}
$watermarkEnabled = isset($watermarkSettings['type']) && $watermarkSettings['type'] !== 'disabled';
$thumbnailWatermarkEnabled = isset($watermarkSettings['type']) && $watermarkSettings['type'] !== 'disabled' && $watermarkSettings['apply_on_thumbnails'];
$items = $input->get('items', null, 'ARRAY');
$items = json_decode($items[0], true);
$ds = DIRECTORY_SEPARATOR;
// Parse all images
if (is_array($items) && count($items))
{
foreach ($items as &$item)
{
$sourceImage = isset($item['source']) ? $item['source'] : '';
$originalImage = isset($item['original']) ? $item['original'] : '';
$thumbnailImage = isset($item['thumbnail']) ? $item['thumbnail'] : '';
$thumbnailImagePath = implode($ds, [JPATH_ROOT, $thumbnailImage]);
$sourceImagePath = $sourceImage ? implode($ds, [JPATH_ROOT, $sourceImage]) : false;
$sourceImageExists = $sourceImagePath && file_exists($sourceImagePath);
$originalImagePath = implode($ds, [JPATH_ROOT, $originalImage]);
$originalImageExists = $originalImagePath && file_exists($originalImagePath);
// If source image does not exist, watermark is enabled, create it by clothing the original image
if (!$sourceImageExists && $watermarkEnabled && $originalImage && file_exists($originalImagePath))
{
// Create source from original image
$sourceImagePath = \NRFramework\File::copy($originalImagePath, $originalImagePath, false, true);
$sourceImageExists = true;
// Modify the database entry and add "source" image to item
// We just need the relative path to file
$_sourceImagePath = str_replace(JPATH_ROOT . DIRECTORY_SEPARATOR, '', $sourceImagePath);
$item['source'] = $_sourceImagePath;
$_originalImagePath = str_replace(JPATH_ROOT . DIRECTORY_SEPARATOR, '', $originalImagePath);
GalleryManagerHelper::setItemFieldSource($item_id, $field_id, $_sourceImagePath, $_originalImagePath);
}
if (!$originalImageExists)
{
continue;
}
if (!$sourceImageExists)
{
$sourceImagePath = $originalImagePath;
}
/**
* Handle original image.
*/
// Generate original image by using the source image
if ($original_image_resize_width && $original_image_resize_height)
{
$originalImagePath = Image::resize($sourceImagePath, $original_image_resize_width, $original_image_resize_height, 70, 'crop', $originalImagePath);
}
else if ($original_image_resize_width)
{
$originalImagePath = Image::resizeAndKeepAspectRatio($sourceImagePath, $original_image_resize_width, 70, $originalImagePath);
}
else if ($original_image_resize_height)
{
$originalImagePath = Image::resizeByHeight($sourceImagePath, $original_image_resize_height, $originalImagePath, 70);
}
$originalImageSourcePath = $originalImagePath;
if ($watermarkEnabled)
{
$payload = array_merge($watermarkSettings, ['source' => $sourceImagePath, 'destination' => $originalImagePath]);
Image::applyWatermark($payload);
}
/**
* Handle thumbnail image.
*/
// Generate thumbnail image by using the source image
GalleryManagerHelper::generateThumbnail($sourceImagePath, $thumbnailImagePath, $resizeSettings, null, false);
// Apply watermark to thumbnail image
if ($watermarkEnabled && $thumbnailWatermarkEnabled)
{
$payload = array_merge($watermarkSettings, ['source' => $thumbnailImagePath]);
Image::applyWatermark($payload);
}
}
}
echo json_encode(['success' => true, 'message' => Text::_('NR_GALLERY_MANAGER_IMAGES_REGENERATED'), 'items' => $items]);
}
/**
* 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));
}
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);
}
}