<?php
/**
* WPSEO plugin file.
*
* @package WPSEO\Plugin_Availability
*/
/**
* Class WPSEO_Plugin_Availability
*/
class WPSEO_Plugin_Availability {
/**
* Holds the plugins.
*
* @var array
*/
protected $plugins = [];
/**
* Registers the plugins so we can access them.
*/
public function register() {
$this->register_yoast_plugins();
$this->register_yoast_plugins_status();
}
/**
* Registers all the available Yoast SEO plugins.
*/
protected function register_yoast_plugins() {
$this->plugins = [
'yoast-seo-premium' => [
'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y7' ),
'title' => 'Yoast SEO Premium',
'description' => sprintf(
/* translators: %1$s expands to Yoast SEO */
__( 'The premium version of %1$s with more features & support.', 'wordpress-seo' ),
'Yoast SEO'
),
'installed' => false,
'slug' => 'wordpress-seo-premium/wp-seo-premium.php',
'version_sync' => true,
'premium' => true,
],
'video-seo-for-wordpress-seo-by-yoast' => [
'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y8' ),
'title' => 'Video SEO',
'description' => __( 'Optimize your videos to show them off in search results and get more clicks!', 'wordpress-seo' ),
'installed' => false,
'slug' => 'wpseo-video/video-seo.php',
'version_sync' => true,
'premium' => true,
],
'yoast-news-seo' => [
'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1y9' ),
'title' => 'News SEO',
'description' => __( 'Are you in Google News? Increase your traffic from Google News by optimizing for it!', 'wordpress-seo' ),
'installed' => false,
'slug' => 'wpseo-news/wpseo-news.php',
'version_sync' => true,
'premium' => true,
],
'local-seo-for-yoast-seo' => [
'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1ya' ),
'title' => 'Local SEO',
'description' => __( 'Rank better locally and in Google Maps, without breaking a sweat!', 'wordpress-seo' ),
'installed' => false,
'slug' => 'wordpress-seo-local/local-seo.php',
'version_sync' => true,
'premium' => true,
],
'yoast-woocommerce-seo' => [
'url' => WPSEO_Shortlinker::get( 'https://yoa.st/1o0' ),
'title' => 'Yoast WooCommerce SEO',
'description' => sprintf(
/* translators: %1$s expands to Yoast SEO */
__( 'Seamlessly integrate WooCommerce with %1$s and get extra features!', 'wordpress-seo' ),
'Yoast SEO'
),
'_dependencies' => [
'WooCommerce' => [
'slug' => 'woocommerce/woocommerce.php',
],
],
'installed' => false,
'slug' => 'wpseo-woocommerce/wpseo-woocommerce.php',
'version_sync' => true,
'premium' => true,
],
];
}
/**
* Sets certain plugin properties based on WordPress' status.
*/
protected function register_yoast_plugins_status() {
foreach ( $this->plugins as $name => $plugin ) {
$plugin_slug = $plugin['slug'];
$plugin_path = WP_PLUGIN_DIR . '/' . $plugin_slug;
if ( file_exists( $plugin_path ) ) {
$plugin_data = get_plugin_data( $plugin_path, false, false );
$this->plugins[ $name ]['installed'] = true;
$this->plugins[ $name ]['version'] = $plugin_data['Version'];
$this->plugins[ $name ]['active'] = is_plugin_active( $plugin_slug );
}
}
}
/**
* Checks whether or not a plugin is known within the Yoast SEO collection.
*
* @param string $plugin The plugin to search for.
*
* @return bool Whether or not the plugin is exists.
*/
protected function plugin_exists( $plugin ) {
return isset( $this->plugins[ $plugin ] );
}
/**
* Gets all the possibly available plugins.
*
* @return array Array containing the information about the plugins.
*/
public function get_plugins() {
return $this->plugins;
}
/**
* Gets a specific plugin. Returns an empty array if it cannot be found.
*
* @param string $plugin The plugin to search for.
*
* @return array The plugin properties.
*/
public function get_plugin( $plugin ) {
if ( ! $this->plugin_exists( $plugin ) ) {
return [];
}
return $this->plugins[ $plugin ];
}
/**
* Gets the version of the plugin.
*
* @param array $plugin The information available about the plugin.
*
* @return string The version associated with the plugin.
*/
public function get_version( $plugin ) {
if ( ! isset( $plugin['version'] ) ) {
return '';
}
return $plugin['version'];
}
/**
* Checks if there are dependencies available for the plugin.
*
* @param array $plugin The information available about the plugin.
*
* @return bool Whether or not there is a dependency present.
*/
public function has_dependencies( $plugin ) {
return ( isset( $plugin['_dependencies'] ) && ! empty( $plugin['_dependencies'] ) );
}
/**
* Gets the dependencies for the plugin.
*
* @param array $plugin The information available about the plugin.
*
* @return array Array containing all the dependencies associated with the plugin.
*/
public function get_dependencies( $plugin ) {
if ( ! $this->has_dependencies( $plugin ) ) {
return [];
}
return $plugin['_dependencies'];
}
/**
* Checks if all dependencies are satisfied.
*
* @param array $plugin The information available about the plugin.
*
* @return bool Whether or not the dependencies are satisfied.
*/
public function dependencies_are_satisfied( $plugin ) {
if ( ! $this->has_dependencies( $plugin ) ) {
return true;
}
$dependencies = $this->get_dependencies( $plugin );
$installed_dependencies = array_filter( $dependencies, [ $this, 'is_dependency_available' ] );
return count( $installed_dependencies ) === count( $dependencies );
}
/**
* Checks whether or not one of the plugins is properly installed and usable.
*
* @param array $plugin The information available about the plugin.
*
* @return bool Whether or not the plugin is properly installed.
*/
public function is_installed( $plugin ) {
if ( empty( $plugin ) ) {
return false;
}
return $this->is_available( $plugin );
}
/**
* Gets all installed plugins.
*
* @return array The installed plugins.
*/
public function get_installed_plugins() {
$installed = [];
foreach ( $this->plugins as $plugin_key => $plugin ) {
if ( $this->is_installed( $plugin ) ) {
$installed[ $plugin_key ] = $plugin;
}
}
return $installed;
}
/**
* Checks for the availability of the plugin.
*
* @param array $plugin The information available about the plugin.
*
* @return bool Whether or not the plugin is available.
*/
public function is_available( $plugin ) {
return isset( $plugin['installed'] ) && $plugin['installed'] === true;
}
/**
* Checks whether a dependency is available.
*
* @param array $dependency The information about the dependency to look for.
*
* @return bool Whether or not the dependency is available.
*/
public function is_dependency_available( $dependency ) {
return isset( get_plugins()[ $dependency['slug'] ] );
}
/**
* Gets the names of the dependencies.
*
* @param array $plugin The plugin to get the dependency names from.
*
* @return array Array containing the names of the associated dependencies.
*/
public function get_dependency_names( $plugin ) {
if ( ! $this->has_dependencies( $plugin ) ) {
return [];
}
return array_keys( $plugin['_dependencies'] );
}
/**
* Gets an array of plugins that have defined dependencies.
*
* @return array Array of the plugins that have dependencies.
*/
public function get_plugins_with_dependencies() {
return array_filter( $this->plugins, [ $this, 'has_dependencies' ] );
}
/**
* Determines whether or not a plugin is active.
*
* @param string $plugin The plugin slug to check.
*
* @return bool Whether or not the plugin is active.
*/
public function is_active( $plugin ) {
return is_plugin_active( $plugin );
}
/**
* Determines whether or not a plugin is a Premium product.
*
* @param array $plugin The plugin to check.
*
* @return bool Whether or not the plugin is a Premium product.
*/
public function is_premium( $plugin ) {
return isset( $plugin['premium'] ) && $plugin['premium'] === true;
}
}
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