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<?php |
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/** |
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* Handles the job of attachment directory management. |
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* |
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* @package ElkArte Forum |
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* @copyright ElkArte Forum contributors |
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* @license BSD http://opensource.org/licenses/BSD-3-Clause (see accompanying LICENSE.txt file) |
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* |
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* @version 2.0 dev |
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* |
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*/ |
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namespace ElkArte; |
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class AttachmentsDisplay |
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{ |
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/** @var The good old attachments array */ |
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protected $messages = []; |
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/** @var mixed[] The good old attachments array */ |
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protected $attachments = []; |
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/** @var bool If unapproved posts/attachments should be shown */ |
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protected $includeUnapproved = false; |
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/** |
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* @param int[] $messages |
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* @param int[] $posters |
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* @param bool $includeUnapproved |
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*/ |
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public function __construct($messages, $posters, $includeUnapproved) |
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{ |
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$this->messages = $messages; |
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$this->includeUnapproved = $includeUnapproved; |
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// Fetch attachments. |
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if (allowedTo('view_attachments')) |
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{ |
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// Reminder: this should not be necessary, it removes the current user from the list of posters if not present among the actual list of posters |
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if (isset($posters[-1])) |
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{ |
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unset($posters[-1]); |
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} |
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// The filter returns false when: |
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// - the attachment is unapproved, and |
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// - the viewer is not the poster of the message where the attachment is |
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$this->getAttachments($this->messages, $this->includeUnapproved, static function ($attachment_info, $all_posters) { |
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return !(!$attachment_info['approved'] && (!isset($all_posters[$attachment_info['id_msg']]) || $all_posters[$attachment_info['id_msg']] != User::$info->id)); |
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}, $posters); |
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} |
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} |
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/** |
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* Get all attachments associated with a set of posts. |
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* |
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* What it does: |
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* - This does not check permissions. |
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* |
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* @param int[] $messages array of messages ids |
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* @param bool $includeUnapproved = false |
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* @param string|null $filter name of a callback function |
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* @param mixed[] $all_posters |
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* |
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* @return array |
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* @package Attachments |
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*/ |
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protected function getAttachments($messages, $includeUnapproved = false, $filter = null, $all_posters = array()) |
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{ |
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global $modSettings; |
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$db = database(); |
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$attachments = array(); |
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$temp = array(); |
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$db->fetchQuery(' |
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SELECT |
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a.id_attach, a.id_folder, a.id_msg, a.filename, a.file_hash, COALESCE(a.size, 0) AS filesize, a.downloads, a.approved, |
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a.width, a.height' . (empty($modSettings['attachmentShowImages']) || empty($modSettings['attachmentThumbnails']) ? '' : ', |
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COALESCE(thumb.id_attach, 0) AS id_thumb, thumb.width AS thumb_width, thumb.height AS thumb_height') . ' |
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FROM {db_prefix}attachments AS a' . (empty($modSettings['attachmentShowImages']) || empty($modSettings['attachmentThumbnails']) ? '' : ' |
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LEFT JOIN {db_prefix}attachments AS thumb ON (thumb.id_attach = a.id_thumb)') . ' |
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WHERE a.id_msg IN ({array_int:message_list}) |
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AND a.attachment_type = {int:attachment_type}', |
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array( |
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'message_list' => $messages, |
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'attachment_type' => 0, |
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) |
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)->fetch_callback( |
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function ($row) use ($includeUnapproved, $filter, $all_posters, &$attachments, &$temp) { |
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if (!$row['approved'] && !$includeUnapproved |
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&& (empty($filter) || !call_user_func($filter, $row, $all_posters))) |
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{ |
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return; |
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} |
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$temp[$row['id_attach']] = $row; |
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if (!isset($attachments[$row['id_msg']])) |
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{ |
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$attachments[$row['id_msg']] = array(); |
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} |
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} |
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); |
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// This is better than sorting it with the query... |
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ksort($temp); |
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foreach ($temp as $row) |
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{ |
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$attachments[$row['id_msg']][] = $row; |
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} |
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$this->attachments = $attachments; |
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} |
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/** |
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* This loads an attachment's contextual data including, most importantly, its size if it is an image. |
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* |
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* What it does: |
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* |
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* - Pre-condition: $attachments array to have been filled with the proper attachment data, as Display() does. |
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* - It requires the view_attachments permission to calculate image size. |
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* - It attempts to keep the "aspect ratio" of the posted image in line, even if it has to be resized by |
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* the max_image_width and max_image_height settings. |
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* |
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* @param int $id_msg message number to load attachments for |
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* @return array of attachments |
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* @todo change this pre-condition, too fragile and error-prone. |
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* |
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* @package Attachments |
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*/ |
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public function loadAttachmentContext($id_msg) |
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{ |
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global $context, $modSettings, $scripturl, $topic; |
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// Set up the attachment info - based on code by Meriadoc. |
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$attachmentData = array(); |
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$have_unapproved = false; |
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if (isset($this->attachments[$id_msg]) && !empty($modSettings['attachmentEnable'])) |
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{ |
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foreach ($this->attachments[$id_msg] as $i => $attachment) |
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{ |
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if (!empty($context['ila_dont_show_attach_below']) && in_array($attachment['id_attach'], $context['ila_dont_show_attach_below'])) |
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{ |
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continue; |
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} |
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$attachmentData[$i] = array( |
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'id' => $attachment['id_attach'], |
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'name' => preg_replace('~&#(\\d{1,7}|x[0-9a-fA-F]{1,6});~', '&#\\1;', htmlspecialchars($attachment['filename'], ENT_COMPAT, 'UTF-8')), |
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'downloads' => $attachment['downloads'], |
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'size' => byte_format($attachment['filesize']), |
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'byte_size' => $attachment['filesize'], |
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'href' => $scripturl . '?action=dlattach;topic=' . $topic . '.0;attach=' . $attachment['id_attach'], |
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'link' => '<a href="' . $scripturl . '?action=dlattach;topic=' . $topic . '.0;attach=' . $attachment['id_attach'] . '">' . htmlspecialchars($attachment['filename'], ENT_COMPAT, 'UTF-8') . '</a>', |
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'is_image' => !empty($attachment['width']) && !empty($attachment['height']) && !empty($modSettings['attachmentShowImages']), |
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'is_approved' => $attachment['approved'], |
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'file_hash' => $attachment['file_hash'], |
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); |
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// If something is unapproved we'll note it so we can sort them. |
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if (!$attachment['approved']) |
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{ |
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$have_unapproved = true; |
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} |
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if (!$attachmentData[$i]['is_image']) |
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{ |
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continue; |
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} |
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$attachmentData[$i]['real_width'] = $attachment['width']; |
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$attachmentData[$i]['width'] = $attachment['width']; |
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$attachmentData[$i]['real_height'] = $attachment['height']; |
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$attachmentData[$i]['height'] = $attachment['height']; |
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// Let's see, do we want thumbs? |
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if (!empty($modSettings['attachmentThumbnails']) |
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&& !empty($modSettings['attachmentThumbWidth']) |
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&& !empty($modSettings['attachmentThumbHeight']) |
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&& ($attachment['width'] > $modSettings['attachmentThumbWidth'] || $attachment['height'] > $modSettings['attachmentThumbHeight']) && strlen($attachment['filename']) < 249) |
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{ |
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// A proper thumb doesn't exist yet? Create one! Or, it needs update. |
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if (empty($attachment['id_thumb']) |
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|| $attachment['thumb_width'] > $modSettings['attachmentThumbWidth'] |
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|| $attachment['thumb_height'] > $modSettings['attachmentThumbHeight']) |
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//|| ($attachment['thumb_width'] < $modSettings['attachmentThumbWidth'] && $attachment['thumb_height'] < $modSettings['attachmentThumbHeight'])) |
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{ |
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$filename = getAttachmentFilename($attachment['filename'], $attachment['id_attach'], $attachment['id_folder'], false, $attachment['file_hash']); |
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$attachment = array_merge($attachment, updateAttachmentThumbnail($filename, $attachment['id_attach'], $id_msg, $attachment['id_thumb'], $attachment['filename'])); |
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} |
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// Only adjust dimensions on successful thumbnail creation. |
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if (!empty($attachment['thumb_width']) && !empty($attachment['thumb_height'])) |
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{ |
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$attachmentData[$i]['width'] = $attachment['thumb_width']; |
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$attachmentData[$i]['height'] = $attachment['thumb_height']; |
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} |
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} |
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if (!empty($attachment['id_thumb'])) |
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{ |
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$attachmentData[$i]['thumbnail'] = array( |
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'id' => $attachment['id_thumb'], |
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'href' => getUrl('action', ['action' => 'dlattach', 'topic' => $topic . '.0', 'attach' => $attachment['id_thumb'], 'image']), |
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); |
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} |
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$attachmentData[$i]['thumbnail']['has_thumb'] = !empty($attachment['id_thumb']); |
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// If thumbnails are disabled, check the maximum size of the image. |
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if (!$attachmentData[$i]['thumbnail']['has_thumb'] && ((!empty($modSettings['max_image_width']) && $attachment['width'] > $modSettings['max_image_width']) || (!empty($modSettings['max_image_height']) && $attachment['height'] > $modSettings['max_image_height']))) |
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{ |
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if (!empty($modSettings['max_image_width']) && (empty($modSettings['max_image_height']) || $attachment['height'] * $modSettings['max_image_width'] / $attachment['width'] <= $modSettings['max_image_height'])) |
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{ |
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$attachmentData[$i]['width'] = $modSettings['max_image_width']; |
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$attachmentData[$i]['height'] = floor($attachment['height'] * $modSettings['max_image_width'] / $attachment['width']); |
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} |
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elseif (!empty($modSettings['max_image_width'])) |
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{ |
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$attachmentData[$i]['width'] = floor($attachment['width'] * $modSettings['max_image_height'] / $attachment['height']); |
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$attachmentData[$i]['height'] = $modSettings['max_image_height']; |
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} |
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} |
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elseif ($attachmentData[$i]['thumbnail']['has_thumb']) |
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{ |
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// Data attributes for use in expandThumb |
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$attachmentData[$i]['thumbnail']['lightbox'] = 'data-lightboxmessage="' . $id_msg . '" data-lightboximage="' . $attachment['id_attach'] . '"'; |
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/* |
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// If the image is too large to show inline, make it a popup. |
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// @todo this needs to be removed or depreciated |
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if (((!empty($modSettings['max_image_width']) && $attachmentData[$i]['real_width'] > $modSettings['max_image_width']) || (!empty($modSettings['max_image_height']) && $attachmentData[$i]['real_height'] > $modSettings['max_image_height']))) |
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{ |
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$attachmentData[$i]['thumbnail']['javascript'] = 'return reqWin(\'' . $attachmentData[$i]['href'] . ';image\', ' . ($attachment['width'] + 20) . ', ' . ($attachment['height'] + 20) . ', true);'; |
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} |
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else |
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{ |
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$attachmentData[$i]['thumbnail']['javascript'] = 'return expandThumb(' . $attachment['id_attach'] . ');'; |
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} |
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*/ |
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} |
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if (!$attachmentData[$i]['thumbnail']['has_thumb']) |
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{ |
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$attachmentData[$i]['downloads']++; |
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} |
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} |
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} |
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// Do we need to instigate a sort? |
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if ($have_unapproved) |
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{ |
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// Unapproved attachments go first. |
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usort($attachmentData, function($a, $b) { |
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if ($a['is_approved'] === $b['is_approved']) |
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{ |
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return 0; |
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} |
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return $a['is_approved'] > $b['is_approved'] ? -1 : 1; |
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}); |
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} |
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return $attachmentData; |
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} |
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} |
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elkarte /
Elkarte
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..