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<?php
namespace humhub\modules\cfiles\libs;
use humhub\modules\file\models\File;
use humhub\modules\comment\models\Comment;
use humhub\modules\content\models\Content;
use humhub\modules\post\models\Post;
/**
* This is a utility lib for files.
*
* @package humhub.modules.gallery.libs
* @since 1.0
* @author Sebastian Stumpf
*/
class FileUtils
{
public static $map = [
'code' => [
'ext' => [
'html',
'cmd',
'bat',
'xml'
],
'icon' => 'fa-file-code-o'
],
'archive' => [
'ext' => [
'zip',
'rar',
'gz',
'tar'
],
'icon' => 'fa-file-archive-o'
],
'audio' => [
'ext' => [
'mp3',
'wav'
],
'icon' => 'fa-file-audio-o'
],
'excel' => [
'ext' => [
'xls',
'xlsx'
],
'icon' => 'fa-file-excel-o'
],
'image' => [
'ext' => [
'jpg',
'jpeg',
'gif',
'bmp',
'svg',
'tiff',
'png'
],
'icon' => 'fa-file-image-o'
],
'pdf' => [
'ext' => [
'pdf'
],
'icon' => 'fa-file-pdf-o'
],
'powerpoint' => [
'ext' => [
'ppt',
'pptx'
],
'icon' => 'fa-file-powerpoint-o'
],
'text' => [
'ext' => [
'txt',
'log',
'md'
],
'icon' => 'fa-file-text-o'
],
'video' => [
'ext' => [
'mp4',
'mpeg',
'swf'
],
'icon' => 'fa-file-video-o'
],
'word' => [
'ext' => [
'doc',
'docx'
],
'icon' => 'fa-file-word-o'
],
'default' => [
'ext' => [],
'icon' => 'fa-file-o'
]
];
/**
* Get the extensions font awesome icon class.
*
* @param string $ext
* the extension.
* @return string the font awesome icon class for this extension.
*/
public static function getIconClassByExt($ext = '')
{
$ext = strtolower($ext);
foreach (self::$map as $type => $info) {
if (in_array($ext, $info['ext'])) {
return $info['icon'];
}
}
return self::$map['default']['icon'];
}
/**
* Get the extensions type.
*
* @param string $ext
* the extension.
* @return string the type or 'unknown'.
*/
public static function getItemTypeByExt($ext)
{
$ext = strtolower($ext);
foreach (self::$map as $type => $info) {
if (in_array($ext, $info['ext'])) {
return $type;
}
}
return 'unknown';
}
/**
* Get the content model the file is connected to.
* @param File $basefile the file.
*/
public static function getBaseContent($file = null)
{
if ($file === null) {
return null;
}
$searchItem = $file;
// if the item is connected to a Comment, we have to search for the corresponding Post
if ($file->object_model === Comment::className()) {
$searchItem = Comment::findOne([
'id' => $file->object_id
]);
}
$query = Content::find();
$query->andWhere([
'content.object_id' => $searchItem->object_id,
'content.object_model' => $searchItem->object_model
]);
return $query->one();
}
/**
* Get the post the file is connected to.
* @param File $basefile the file.
*/
public static function getBasePost($file = null)
{
if ($file === null) {
return null;
}
$searchItem = $file;
// if the item is connected to a Comment, we have to search for the corresponding Post
if ($file->object_model === Comment::className()) {
$searchItem = Comment::findOne([
'id' => $file->object_id
]);
}
$return = Post::findOne(['id' => $searchItem->object_id
]);
}
}
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