Cecil\Assets\Image::resize()

Complexity

Conditions	9
Paths	28

Size

Total Lines	63
Code Lines	32

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function resize(string $path, int $size): string
    {
        // is not a local image?
        if (Util::isExternalUrl($path)) {
            $this->local = false;
        }

        $this->path = '/'.ltrim($path, '/');
        if (!$this->local) {
            $this->path = $path;
        }
        $this->size = $size;
        $returnPath = '/'.Util::joinPath(self::CACHE_THUMBS_PATH, $this->size.$this->path);

        // source file
        $this->setSource();

        // images cache path
        $this->cachePath = Util::joinFile(
            $this->config->getCachePath(),
            self::CACHE_ASSETS_DIR,
            self::CACHE_THUMBS_PATH
        );

        // is size is already OK?
        list($width, $height) = getimagesize($this->source);
        if ($width <= $this->size && $height <= $this->size) {
            return $this->path;
        }

        // if GD extension is not installed: can't process
        if (!extension_loaded('gd')) {
            throw new Exception('GD extension is required to use images resize.');
        }

        $this->destination = Util::joinFile($this->cachePath, $this->size.$this->path);

        if (Util::getFS()->exists($this->destination)) {
            return $returnPath;
        }

        // image object
        try {
            $img = ImageManager::make($this->source);
            $img->resize($this->size, null, function (\Intervention\Image\Constraint $constraint) {
                $constraint->aspectRatio();
                $constraint->upsize();
            });
        } catch (NotReadableException $e) {
            throw new Exception(sprintf('Cannot get image "%s"', $this->path));
        }

        // return data:image for external image
        if (!$this->local) {
            return (string) $img->encode('data-url');
        }

        // save file
        Util::getFS()->mkdir(dirname($this->destination));
        $img->save($this->destination);

        // return new path
        return $returnPath;
    }