Notes

<?php

/**
* @link https://www.humhub.org/
* @copyright Copyright (c) 2017 HumHub GmbH & Co. KG
* @license https://www.humhub.com/licences
*/

namespace humhublibs;

use Yii;
use yiihelpersUrl;
use humhubmodulesfilelibsImageConverter;

/**
* ProfileImage is responsible for all profile images.
*
* This class handles all tasks related to profile images.
* Will used for Space or User Profiles.
*
* Prefixes:
* "" = Resized profile image
* "_org" = Orginal uploaded file
*
* @since 0.5
* @author Luke
*/
class ProfileImage
{

/**
* @var String is the guid of user or space
*/
protected $guid = "";

/**
* @var Integer width of the Image
*/
protected $width = 500;

/**
* @var Integer height of the Image
*/
protected $height = 500;

/**
* @var String folder name inside the uploads directory
*/
protected $folder_images = "profile_image";

/**
* @var String name of the default image
*/
protected $defaultImage;

/**
* Constructor of Profile Image
*
* UserId is optional, if not given the current user will used
*
* @param type $guid
*/
public function __construct($guid, $defaultImage = 'default_user')
{
$this->guid = $guid;
$this->defaultImage = $defaultImage;
}

/**
* Returns the URl of the Modified Profile Image
*
* @param String $prefix Prefix of the returned image
* @param boolean $scheme URL Scheme
* @return String Url of the profile image
*/
public function getUrl($prefix = "", $scheme = false)
{
if (file_exists($this->getPath($prefix))) {
$path = '@web/uploads/' . $this->folder_images . '/';
$path .= $this->guid . $prefix;
$path .= '.jpg?m=' . filemtime($this->getPath($prefix));
} else {
$path = '@web-static/img/' . $this->defaultImage;
$path .= '.jpg';
$path = Yii::$app->view->theme->applyTo($path);
}

return Url::to(Yii::getAlias($path), $scheme);
}

/**
* Indicates there is a custom profile image
*
* @return Boolean is there a profile image
*/
public function hasImage()
{
return file_exists($this->getPath("_org"));
}

/**
* Returns the Path of the Modified Profile Image
*
* @param String $prefix for the profile image
* @return String Path to the profile image
*/
public function getPath($prefix = "")
{
$path = Yii::getAlias('@webroot/uploads/' . $this->folder_images . '/');

if (!is_dir($path))
mkdir($path);

$path .= $this->guid;
$path .= $prefix;
$path .= ".jpg";

return $path;
}

/**
* Crops the Original Image
*
* @param Int $x
* @param Int $y
* @param Int $h
* @param Int $w
* @return boolean indicates the success
*/
public function cropOriginal($x, $y, $h, $w)
{
$image = imagecreatefromjpeg($this->getPath('_org'));

// Create new destination Image
$destImage = imagecreatetruecolor($this->width, $this->height);

if (!imagecopyresampled($destImage, $image, 0, 0, $x, $y, $this->width, $this->height, $w, $h)) {
return false;
}

unlink($this->getPath(''));
imagejpeg($destImage, $this->getPath(''), 100);
}

/**
* Sets a new profile image by given temp file
*
* @param mixed $file CUploadedFile or file path
*/
public function setNew($file)
{
if ($file instanceof yiiwebUploadedFile) {
$file = $file->tempName;
}

$this->delete();
ImageConverter::TransformToJpeg($file, $this->getPath('_org'));
ImageConverter::Resize($this->getPath('_org'), $this->getPath('_org'), array('width' => 1366, 'mode' => 'max'));
ImageConverter::Resize($this->getPath('_org'), $this->getPath(''), array('width' => $this->width, 'height' => $this->height));
}

/**
* Deletes current profile
*/
public function delete()
{
@unlink($this->getPath());
@unlink($this->getPath('_org'));
}

}