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<?php |
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namespace Gcsc\LaravelMultisizeImage\ImageManagers; |
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use Illuminate\Http\UploadedFile; |
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use Intervention\Image\Constraint; |
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use Intervention\Image\Facades\Image; |
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use Illuminate\Support\Facades\Storage; |
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use Gcsc\LaravelMultisizeImage\SavedImageData; |
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use Gcsc\LaravelMultisizeImage\ImageSizes\ImageSizeInterface; |
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use Gcsc\LaravelMultisizeImage\Exceptions\NotValidImageSizeException; |
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abstract class AbstractImageManager |
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{ |
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protected static function defaultImageSize() |
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{ |
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$sizes = static::imageSizes(); |
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$size = end($sizes); |
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reset($sizes); |
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return $size; |
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} |
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/** |
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* @return string |
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*/ |
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abstract protected function oldImage(); |
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/** |
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* @return array |
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*/ |
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abstract public static function imageSizes(); |
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public static function getPathPrefix() |
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{ |
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return ''; |
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} |
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/** |
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* @param ImageSizeInterface $image_size |
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* @param $name |
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* @return string |
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*/ |
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public static function getPathForImageSize(ImageSizeInterface $image_size, $name) |
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{ |
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return static::getPathPrefix().'/'.$image_size->getSlug().'/'.$name; |
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} |
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/** |
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* @param UploadedFile|string $image |
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* @param $name |
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* @return SavedImageData |
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* @throws NotValidImageSizeException |
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*/ |
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public function save($image, $name = null) |
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{ |
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if (is_string($image)) { |
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@[$type, $image] = explode(';', $image); |
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@[, $image] = explode(',', $image); |
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if (! $name) { |
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$name = md5(uniqid(mt_rand(), true)).'.'.\Illuminate\Http\Testing\MimeType::search($type); |
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} |
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} |
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if (! $name) { |
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$name = md5(uniqid(mt_rand(), true)).'.'.$image->getClientOriginalExtension(); |
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} |
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$imageData = new SavedImageData($name); |
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foreach ($this->imageSizes() as $image_size_class) { |
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$image_size = new $image_size_class(); |
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if (! ($image_size instanceof ImageSizeInterface)) { |
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throw new NotValidImageSizeException('image size except implement ImageSizeInterface'); |
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} |
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/** @var \Intervention\Image\Image $img */ |
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$img = Image::make($image); |
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$img->resize( |
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$image_size->getWidth(), |
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$image_size->getHeight(), |
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function (Constraint $constraint) use ($image_size) { |
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if (! $image_size->getForceCrop()) { |
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$constraint->aspectRatio(); |
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} |
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$constraint->upsize(); |
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} |
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); |
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$is_saved = Storage::disk($image_size->getDisk())->put($this->getPathForImageSize($image_size, $name), (string) $img->encode()); |
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if ($is_saved) { |
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$imageData->addSize( |
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$image_size::getSlug(), |
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[ |
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'size' => $img->width().'/'.$img->height(), |
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'width' => $img->width(), |
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'height' => $img->height(), |
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] |
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); |
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} else { |
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$imageData->addError( |
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$image_size::getSlug() |
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); |
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} |
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} |
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return $imageData; |
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} |
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/** |
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* @param null $name |
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* @return bool |
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* @throws NotValidImageSizeException |
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*/ |
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public function delete($name = null) |
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{ |
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if (is_null($name)) { |
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$name = $this->oldImage(); |
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} |
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if ($name) { |
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return static::destroy($name); |
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} |
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return false; |
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} |
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/** |
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* @param $name |
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* @return bool |
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* @throws NotValidImageSizeException |
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*/ |
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public static function destroy($name) |
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{ |
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$is_deleted_statuses = []; |
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foreach (static::imageSizes() as $image_size_class) { |
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$image_size = new $image_size_class(); |
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if (! ($image_size instanceof ImageSizeInterface)) { |
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throw new NotValidImageSizeException('image size except implement ImageSizeInterface'); |
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} |
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$is_deleted = Storage::disk($image_size->getDisk())->delete(static::getPathForImageSize($image_size, $name)); |
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if ($is_deleted) { |
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$is_deleted_statuses[] = $image_size_class; |
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} |
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} |
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if (count($is_deleted_statuses) === count(static::imageSizes())) { |
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return true; |
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} |
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//TODO:: send notification to admin; |
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return false; |
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} |
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/** |
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* @param UploadedFile|string $image |
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* @param $old_name |
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* @param $new_name |
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* @return array|null |
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* @throws NotValidImageSizeException |
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*/ |
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public function replace($image, $old_name, $new_name = null) |
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{ |
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$this->delete($old_name); |
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return $this->save($image, $new_name); |
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} |
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/** |
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* @param UploadedFile|string $image |
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* @param $new_name |
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* @return array|null |
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* @throws NotValidImageSizeException |
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*/ |
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public function replaceOrSave($image, $new_name = null) |
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{ |
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if ($this->oldImage()) { |
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return $this->replace($image, $this->oldImage(), $new_name); |
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} |
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return $this->save($image, $new_name); |
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} |
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public static function urls($name) |
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{ |
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$urls = []; |
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foreach (static::imageSizes() as $image_size_class) { |
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$image_size = new $image_size_class(); |
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if (! ($image_size instanceof ImageSizeInterface)) { |
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throw new NotValidImageSizeException('image size except implement ImageSizeInterface'); |
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} |
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$urls[$image_size->getSlug()] = (string) Storage::disk($image_size->getDisk())->url(static::getPathForImageSize($image_size, $name)); |
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} |
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return $urls; |
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} |
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public static function url($name) |
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{ |
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$size = static::defaultImageSize(); |
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$image_size = new $size(); |
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if (! ($image_size instanceof ImageSizeInterface)) { |
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throw new NotValidImageSizeException('image size except implement ImageSizeInterface'); |
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} |
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return (string) Storage::disk($image_size->getDisk())->url(self::getPathForImageSize($image_size, $name)); |
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} |
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} |
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.