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<?php |
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namespace GeminiLabs\SiteReviews\Modules\Assets; |
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use GeminiLabs\SiteReviews\Helpers\Arr; |
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abstract class AbstractAsset |
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{ |
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public $abort; |
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public $after; |
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public $before; |
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public $contents; |
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public $dependencies; |
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public $handles; |
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public $sources; |
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public function __construct() |
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{ |
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$this->reset(); |
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if ('1' === filter_input(INPUT_GET, 'nocache') || $this->isOptimizationDisabled()) { |
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$this->abort = true; |
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delete_transient($this->transient()); |
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} |
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} |
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public function canOptimize(): bool |
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{ |
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if ($this->abort) { |
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return false; |
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} |
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if ($this->isOptimizationDisabled()) { |
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return false; |
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} |
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return true; |
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} |
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public function isOptimizationDisabled(): bool |
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{ |
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return !$this->isOptimizationEnabled(); |
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} |
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public function isOptimizationEnabled(): bool |
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{ |
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return glsr()->filterBool('optimize/'.$this->type(), false); |
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} |
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public function isOptimized(): bool |
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{ |
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$hash = $this->hash(); |
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$path = Arr::getAs('string', $this->file(), 'path'); |
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if (file_exists($path) && $hash === get_transient($this->transient())) { |
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return true; |
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} |
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return false; |
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} |
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public function optimize(): void |
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{ |
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if (!$this->canOptimize() || $this->isOptimized()) { |
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return; |
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} |
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$file = $this->file(); |
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if (empty($file)) { |
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return; |
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} |
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$hash = $this->hash(); |
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$this->handles = array_keys($this->versions()); |
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$this->prepare(); |
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if ($hash !== get_transient($this->transient())) { |
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$this->combine(); |
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if ($this->store($file['path'])) { |
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set_transient($this->transient(), $hash); |
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} |
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} |
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if (!$this->abort && file_exists($file['path'])) { |
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$this->enqueue($file['url'], $hash); |
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} |
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$this->reset(); |
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} |
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public function url(): string |
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{ |
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if ($this->canOptimize() && $this->isOptimized()) { |
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return Arr::getAs('string', $this->file(), 'url'); |
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} |
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return $this->originalUrl(); |
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} |
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public function version(): string |
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{ |
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if ($this->canOptimize() && $this->isOptimized()) { |
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return $this->hash(); |
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} |
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return glsr()->version; |
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} |
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protected function combine(): void |
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{ |
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$pluginDirUrl = plugin_dir_url(''); |
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$pluginDirPath = substr(glsr()->path(), 0, -1 * strlen(glsr()->id.'/')); |
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$sources = array_filter($this->sources); |
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foreach ($sources as $url) { |
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$path = str_replace($pluginDirUrl, $pluginDirPath, $url); |
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if ($path !== $url) { |
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$contents = $this->filesystem()->get_contents($path); |
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} |
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if (empty($contents)) { // @todo if this fails, do the addon assets still load? |
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$this->abort = true; |
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break; |
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} |
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$this->contents .= $contents; |
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} |
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} |
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abstract protected function enqueue(string $url, string $hash): void; |
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protected function file(): array |
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{ |
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require_once ABSPATH.WPINC.'/pluggable.php'; |
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$uploads = wp_upload_dir(); |
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if (!file_exists($uploads['basedir'])) { |
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$uploads = wp_upload_dir(null, true, true); // maybe the site has been moved, so refresh the cached uploads path |
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} |
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$basedir = sprintf('%s/%s/assets', $uploads['basedir'], glsr()->id); |
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$baseurl = sprintf('%s/%s/assets', $uploads['baseurl'], glsr()->id); |
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if (is_ssl()) { // fix SSL just in case... |
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$baseurl = str_replace('http://', 'https://', $baseurl); |
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} |
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if (!wp_mkdir_p($basedir)) { |
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glsr_log()->error('Unable to store optimized assets in the uploads directory.'); |
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return []; |
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} |
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return [ |
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'path' => sprintf('%s/%s.%s', $basedir, glsr()->id, $this->type()), |
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'url' => sprintf('%s/%s.%s', $baseurl, glsr()->id, $this->type()), |
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]; |
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} |
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protected function filesystem(): \WP_Filesystem_Base |
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{ |
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global $wp_filesystem; |
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if (empty($wp_filesystem)) { |
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require_once ABSPATH.'wp-admin/includes/file.php'; |
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WP_Filesystem(); |
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} |
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return $wp_filesystem; |
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} |
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public function hash(): string |
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{ |
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return md5(serialize($this->versions())); |
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} |
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abstract protected function originalUrl(): string; |
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protected function prepare(): void |
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{ |
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$removedDeps = array_diff($this->handles, [glsr()->id]); |
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$this->sources = array_fill_keys($this->handles, ''); // ensure correct order! |
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foreach ($this->registered() as $handle => $dependency) { |
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if (str_starts_with($handle, glsr()->id)) { |
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$dependency->deps = array_diff($dependency->deps, $removedDeps); |
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} |
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if (!in_array($handle, $this->handles)) { |
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continue; |
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} |
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if (!empty($dependency->extra['after'])) { |
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$this->after = array_merge($this->after, $dependency->extra['after']); |
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$this->after = Arr::reindex(Arr::unique($this->after)); |
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} |
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if (!empty($dependency->extra['before'])) { |
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$this->before = array_merge($this->before, $dependency->extra['before']); |
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$this->before = Arr::reindex(Arr::unique($this->before)); |
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} |
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if (!empty($dependency->deps)) { |
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$this->dependencies = array_merge($this->dependencies, $dependency->deps); |
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$this->dependencies = array_diff($dependency->deps, [glsr()->id]); |
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} |
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$this->sources[$handle] = $dependency->src; |
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} |
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} |
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abstract protected function registered(): array; |
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protected function reset(): void |
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{ |
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$this->abort = false; |
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$this->after = []; |
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$this->before = []; |
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$this->contents = ''; |
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$this->dependencies = []; |
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$this->handles = []; |
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$this->sources = []; |
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} |
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protected function store(string $filepath): bool |
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{ |
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if ($this->abort) { |
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return false; |
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} |
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if ($this->filesystem()->put_contents($filepath, $this->contents)) { |
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return true; |
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} |
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glsr_log()->error('Unable to write content to optimized assets.'); |
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return false; |
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} |
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protected function transient(): string |
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{ |
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return glsr()->prefix.'optimized_'.$this->type(); |
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} |
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abstract protected function type(): string; |
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protected function versions(): array |
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{ |
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$versions = glsr()->retrieveAs('array', 'addons'); |
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$versions = Arr::prepend($versions, glsr()->version, glsr()->id); |
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return $versions; |
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} |
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} |
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pryley /
site-reviews
