ppeasy/app/Services/Upload/UserAvatarManager.php

138 lines
3.4 KiB
PHP

<?php
namespace Vanguard\Services\Upload;
use Illuminate\Filesystem\FilesystemManager;
use Illuminate\Http\UploadedFile;
use Illuminate\Support\Str;
use Vanguard\User;
use Illuminate\Filesystem\Filesystem;
use Intervention\Image\ImageManager;
class UserAvatarManager
{
const AVATAR_WIDTH = 160;
const AVATAR_HEIGHT = 160;
/**
* @var User
*/
protected $user;
/**
* @var Filesystem
*/
private $fs;
/**
* @var ImageManager
*/
private $imageManager;
/**
* @var string Storage disk used for keeping photos.
*/
protected $disk = 'public';
public function __construct(FilesystemManager $fs, ImageManager $imageManager)
{
$this->fs = $fs->disk($this->disk);
$this->imageManager = $imageManager;
}
/**
* Upload and crop user avatar to predefined width and height.
*
* @param UploadedFile $file
* @param array|null $cropPoints
* @return string Avatar file name.
*/
public function uploadAndCropAvatar(UploadedFile $file, array $cropPoints = null)
{
try {
return $this->cropAndResizeImage($file, $cropPoints);
} catch (\Exception $e) {
logger("Cannot upload and crop image. " . $e->getMessage());
return null;
}
}
/**
* Check if user has uploaded avatar photo.
* If he is using some external url for avatar, then
* it is assumed that avatar is not uploaded manually.
*
* @param User $user
* @return bool
*/
private function userHasUploadedAvatar(User $user)
{
return $user->avatar && ! Str::contains($user->avatar, ['http', 'gravatar']);
}
/**
* Get destination directory where avatar should be uploaded.
*
* @return string
*/
private function getDestinationDirectory()
{
return '/upload/users';
}
/**
* @param User $user
*/
public function deleteAvatarIfUploaded(User $user)
{
if (! $this->userHasUploadedAvatar($user)) {
return;
}
$path = sprintf(
"%s/%s",
$this->getDestinationDirectory(),
$user->avatar
);
$this->fs->delete($path);
}
/**
* Crop image from provided selected points and
* resize it to predefined width and height.
*
* @param UploadedFile $file
* @param array|null $points
* @return string
*/
private function cropAndResizeImage(UploadedFile $file, array $points = null)
{
$image = $this->imageManager->make($file);
if ($points) {
// Calculate delta between two points on X axis. This
// value will be used as width and height for cropped image.
$size = floor($points['x2'] - $points['x1']);
$image->crop($size, $size, (int) $points['x1'], (int) $points['y1'])
->resize(self::AVATAR_WIDTH, self::AVATAR_HEIGHT);
} else {
// If crop points are not provided, we will just crop
// provided image to specified width and height.
$image->crop(self::AVATAR_WIDTH, self::AVATAR_HEIGHT);
}
$fileName = $file->hashName($this->getDestinationDirectory());
$this->fs->put(
$fileName,
$image->stream(null, 100)->__toString(),
'public'
);
return basename($fileName);
}
}