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<?php |
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namespace WP_Stream; |
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|
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class Plugin { |
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/** |
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* Plugin version number |
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* |
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* @const string |
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*/ |
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const VERSION = '3.2.3'; |
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|
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/** |
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* WP-CLI command |
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* |
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* @const string |
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*/ |
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const WP_CLI_COMMAND = 'stream'; |
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|
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/** |
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* @var Admin |
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*/ |
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public $admin; |
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|
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/** |
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* @var Alerts |
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*/ |
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public $alerts; |
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|
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/** |
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* @var Alerts_List |
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*/ |
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public $alerts_list; |
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|
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/** |
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* @var Connectors |
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*/ |
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public $connectors; |
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|
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/** |
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* @var DB |
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*/ |
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public $db; |
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|
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/** |
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* @var Log |
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*/ |
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public $log; |
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|
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/** |
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* @var Settings |
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*/ |
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public $settings; |
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|
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/** |
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* @var Install |
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*/ |
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public $install; |
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|
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/** |
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* URLs and Paths used by the plugin |
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* |
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* @var array |
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*/ |
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public $locations = array(); |
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|
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/** |
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* Class constructor |
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*/ |
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public function __construct() { |
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$locate = $this->locate_plugin(); |
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|
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$this->locations = array( |
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'plugin' => $locate['plugin_basename'], |
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'dir' => $locate['dir_path'], |
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'url' => $locate['dir_url'], |
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'inc_dir' => $locate['dir_path'] . 'includes/', |
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'class_dir' => $locate['dir_path'] . 'classes/', |
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); |
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|
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spl_autoload_register( array( $this, 'autoload' ) ); |
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|
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// Load helper functions |
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require_once $this->locations['inc_dir'] . 'functions.php'; |
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|
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// Load DB helper interface/class |
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$driver_class = apply_filters( 'wp_stream_db_driver', '\WP_Stream\DB_Driver_WPDB' ); |
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$driver = null; |
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|
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if ( class_exists( $driver_class ) ) { |
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$driver = new $driver_class(); |
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$this->db = new DB( $driver ); |
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} |
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|
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$error = false; |
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if ( ! $this->db ) { |
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$error = esc_html__( 'Stream: Could not load chosen DB driver.', 'stream' ); |
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} elseif ( ! $driver instanceof DB_Driver ) { |
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$error = esc_html__( 'Stream: DB driver must implement DB Driver interface.', 'stream' ); |
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} |
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|
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if ( $error ) { |
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wp_die( |
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esc_html( $error ), |
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esc_html__( 'Stream DB Error', 'stream' ) |
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); |
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} |
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|
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// Load languages |
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add_action( 'plugins_loaded', array( $this, 'i18n' ) ); |
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|
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// Load logger class |
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$this->log = apply_filters( 'wp_stream_log_handler', new Log( $this ) ); |
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|
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// Load settings and connectors after widgets_init and before the default init priority |
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add_action( 'init', array( $this, 'init' ), 9 ); |
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|
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// Add frontend indicator |
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add_action( 'wp_head', array( $this, 'frontend_indicator' ) ); |
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|
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// Change DB driver after plugin loaded if any add-ons want to replace |
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add_action( 'plugins_loaded', array( $this, 'plugins_loaded' ), 20 ); |
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|
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// Load admin area classes |
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if ( is_admin() || ( defined( 'WP_STREAM_DEV_DEBUG' ) && WP_STREAM_DEV_DEBUG ) || ( defined( 'WP_CLI' ) && WP_CLI ) ) { |
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$this->admin = new Admin( $this ); |
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$this->install = $driver->setup_storage( $this ); |
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} elseif ( defined( 'DOING_CRON' ) && DOING_CRON ) { |
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$this->admin = new Admin( $this, $driver ); |
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} |
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|
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// Load WP-CLI command |
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if ( defined( 'WP_CLI' ) && WP_CLI ) { |
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\WP_CLI::add_command( self::WP_CLI_COMMAND, 'WP_Stream\CLI' ); |
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} |
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} |
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|
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/** |
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* Autoloader for classes |
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* |
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* @param string $class |
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*/ |
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public function autoload( $class ) { |
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if ( ! preg_match( '/^(?P<namespace>.+)\\\\(?P<autoload>[^\\\\]+)$/', $class, $matches ) ) { |
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return; |
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} |
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|
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static $reflection; |
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|
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if ( empty( $reflection ) ) { |
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$reflection = new \ReflectionObject( $this ); |
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} |
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|
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if ( $reflection->getNamespaceName() !== $matches['namespace'] ) { |
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return; |
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} |
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|
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$autoload_name = $matches['autoload']; |
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$autoload_dir = \trailingslashit( $this->locations['class_dir'] ); |
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$autoload_path = sprintf( '%sclass-%s.php', $autoload_dir, strtolower( str_replace( '_', '-', $autoload_name ) ) ); |
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|
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if ( is_readable( $autoload_path ) ) { |
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require_once $autoload_path; |
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} |
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} |
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|
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/** |
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* Loads the translation files. |
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* |
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* @action plugins_loaded |
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*/ |
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public function i18n() { |
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load_plugin_textdomain( 'stream', false, dirname( $this->locations['plugin'] ) . '/languages/' ); |
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} |
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|
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/* |
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* Load Settings, Notifications, and Connectors |
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* |
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* @action init |
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*/ |
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public function init() { |
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$this->settings = new Settings( $this ); |
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$this->connectors = new Connectors( $this ); |
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$this->alerts = new Alerts( $this ); |
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$this->alerts_list = new Alerts_List( $this ); |
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|
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} |
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|
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/** |
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* Displays an HTML comment in the frontend head to indicate that Stream is activated, |
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* and which version of Stream is currently in use. |
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* |
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* @action wp_head |
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* |
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* @return string|void An HTML comment, or nothing if the value is filtered out. |
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*/ |
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public function frontend_indicator() { |
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$comment = sprintf( 'Stream WordPress user activity plugin v%s', esc_html( $this->get_version() ) ); // Localization not needed |
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|
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/** |
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* Filter allows the HTML output of the frontend indicator comment |
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* to be altered or removed, if desired. |
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* |
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* @return string The content of the HTML comment |
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*/ |
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$comment = apply_filters( 'wp_stream_frontend_indicator', $comment ); |
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|
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if ( ! empty( $comment ) ) { |
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echo sprintf( "<!-- %s -->\n", esc_html( $comment ) ); // xss ok |
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} |
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} |
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|
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/** |
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* Version of plugin_dir_url() which works for plugins installed in the plugins directory, |
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* and for plugins bundled with themes. |
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* |
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* @throws \Exception |
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* |
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* @return array |
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*/ |
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private function locate_plugin() { |
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$dir_url = trailingslashit( plugins_url( '', dirname( __FILE__ ) ) ); |
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$dir_path = plugin_dir_path( dirname( __FILE__ ) ); |
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$dir_basename = basename( $dir_path ); |
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$plugin_basename = trailingslashit( $dir_basename ) . $dir_basename . '.php'; |
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|
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return compact( 'dir_url', 'dir_path', 'dir_basename', 'plugin_basename' ); |
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} |
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|
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/** |
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* Getter for the version number. |
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* |
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* @return string |
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*/ |
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public function get_version() { |
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return self::VERSION; |
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} |
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|
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/** |
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* Change plugin database driver in case driver plugin loaded after stream |
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*/ |
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public function plugins_loaded() { |
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// Load DB helper interface/class |
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$driver_class = apply_filters( 'wp_stream_db_driver', '\WP_Stream\DB_Driver_WPDB' ); |
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|
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if ( class_exists( $driver_class ) ) { |
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$driver = new $driver_class(); |
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$this->db = new DB( $driver ); |
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} |
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} |
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} |
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|
