集成自动更新服务器

lib/plugin-update-checker/Puc/v5p3/Theme/UpdateChecker.php

@@ -0,0 +1,159 @@
+<?php
+
+namespace YahnisElsts\PluginUpdateChecker\v5p3\Theme;
+
+use YahnisElsts\PluginUpdateChecker\v5p3\UpdateChecker as BaseUpdateChecker;
+use YahnisElsts\PluginUpdateChecker\v5p3\InstalledPackage;
+use YahnisElsts\PluginUpdateChecker\v5p3\Scheduler;
+use YahnisElsts\PluginUpdateChecker\v5p3\DebugBar;
+
+if ( !class_exists(UpdateChecker::class, false) ):
+
+	class UpdateChecker extends BaseUpdateChecker {
+		protected $filterSuffix = 'theme';
+		protected $updateTransient = 'update_themes';
+		protected $translationType = 'theme';
+
+		/**
+		 * @var string Theme directory name.
+		 */
+		protected $stylesheet;
+
+		public function __construct($metadataUrl, $stylesheet = null, $customSlug = null, $checkPeriod = 12, $optionName = '') {
+			if ( $stylesheet === null ) {
+				$stylesheet = get_stylesheet();
+			}
+			$this->stylesheet = $stylesheet;
+
+			parent::__construct(
+				$metadataUrl,
+				$stylesheet,
+				$customSlug ? $customSlug : $stylesheet,
+				$checkPeriod,
+				$optionName
+			);
+		}
+
+		/**
+		 * For themes, the update array is indexed by theme directory name.
+		 *
+		 * @return string
+		 */
+		protected function getUpdateListKey() {
+			return $this->directoryName;
+		}
+
+		/**
+		 * Retrieve the latest update (if any) from the configured API endpoint.
+		 *
+		 * @return Update|null An instance of Update, or NULL when no updates are available.
+		 */
+		public function requestUpdate() {
+			list($themeUpdate, $result) = $this->requestMetadata(Update::class, 'request_update');
+
+			if ( $themeUpdate !== null ) {
+				/** @var Update $themeUpdate */
+				$themeUpdate->slug = $this->slug;
+			}
+
+			$themeUpdate = $this->filterUpdateResult($themeUpdate, $result);
+			return $themeUpdate;
+		}
+
+		protected function getNoUpdateItemFields() {
+			return array_merge(
+				parent::getNoUpdateItemFields(),
+				array(
+					'theme'        => $this->directoryName,
+					'requires'     => '',
+				)
+			);
+		}
+
+		public function userCanInstallUpdates() {
+			return current_user_can('update_themes');
+		}
+
+		/**
+		 * Create an instance of the scheduler.
+		 *
+		 * @param int $checkPeriod
+		 * @return Scheduler
+		 */
+		protected function createScheduler($checkPeriod) {
+			return new Scheduler($this, $checkPeriod, array('load-themes.php'));
+		}
+
+		/**
+		 * Is there an update being installed right now for this theme?
+		 *
+		 * @param \WP_Upgrader|null $upgrader The upgrader that's performing the current update.
+		 * @return bool
+		 */
+		public function isBeingUpgraded($upgrader = null) {
+			return $this->upgraderStatus->isThemeBeingUpgraded($this->stylesheet, $upgrader);
+		}
+
+		protected function createDebugBarExtension() {
+			return new DebugBar\Extension($this, DebugBar\ThemePanel::class);
+		}
+
+		/**
+		 * Register a callback for filtering query arguments.
+		 *
+		 * The callback function should take one argument - an associative array of query arguments.
+		 * It should return a modified array of query arguments.
+		 *
+		 * @param callable $callback
+		 * @return void
+		 */
+		public function addQueryArgFilter($callback){
+			$this->addFilter('request_update_query_args', $callback);
+		}
+
+		/**
+		 * Register a callback for filtering arguments passed to wp_remote_get().
+		 *
+		 * The callback function should take one argument - an associative array of arguments -
+		 * and return a modified array or arguments. See the WP documentation on wp_remote_get()
+		 * for details on what arguments are available and how they work.
+		 *
+		 * @uses add_filter() This method is a convenience wrapper for add_filter().
+		 *
+		 * @param callable $callback
+		 * @return void
+		 */
+		public function addHttpRequestArgFilter($callback) {
+			$this->addFilter('request_update_options', $callback);
+		}
+
+		/**
+		 * Register a callback for filtering theme updates retrieved from the external API.
+		 *
+		 * The callback function should take two arguments. If the theme update was retrieved
+		 * successfully, the first argument passed will be an instance of Theme_Update. Otherwise,
+		 * it will be NULL. The second argument will be the corresponding return value of
+		 * wp_remote_get (see WP docs for details).
+		 *
+		 * The callback function should return a new or modified instance of Theme_Update or NULL.
+		 *
+		 * @uses add_filter() This method is a convenience wrapper for add_filter().
+		 *
+		 * @param callable $callback
+		 * @return void
+		 */
+		public function addResultFilter($callback) {
+			$this->addFilter('request_update_result', $callback, 10, 2);
+		}
+
+		/**
+		 * Create a package instance that represents this plugin or theme.
+		 *
+		 * @return InstalledPackage
+		 */
+		protected function createInstalledPackage() {
+			return new Package($this->stylesheet, $this);
+		}
+	}
+
+endif;