plugin_basename = plugin_basename(__FILE__);
$this->define( 'WPO_WCPDF_VERSION', $this->version );
// load the localisation & classes
add_action( 'plugins_loaded', array( $this, 'translations' ) );
add_filter( 'load_textdomain_mofile', array( $this, 'textdomain_fallback' ), 10, 2 );
add_action( 'plugins_loaded', array( $this, 'load_classes' ), 9 );
add_action( 'in_plugin_update_message-'.$this->plugin_basename, array( $this, 'in_plugin_update_message' ) );
}
/**
* Define constant if not already set
* @param string $name
* @param string|bool $value
*/
private function define( $name, $value ) {
if ( ! defined( $name ) ) {
define( $name, $value );
}
}
/**
* Load the translation / textdomain files
*
* Note: the first-loaded translation file overrides any following ones if the same translation is present
*/
public function translations() {
if ( function_exists( 'determine_locale' ) ) { // WP5.0+
$locale = determine_locale();
} else {
$locale = is_admin() && function_exists( 'get_user_locale' ) ? get_user_locale() : get_locale();
}
$locale = apply_filters( 'plugin_locale', $locale, 'woocommerce-pdf-invoices-packing-slips' );
$dir = trailingslashit( WP_LANG_DIR );
$textdomains = array( 'woocommerce-pdf-invoices-packing-slips' );
if ( $this->legacy_mode_enabled() === true ) {
$textdomains[] = 'wpo_wcpdf';
}
/**
* Frontend/global Locale. Looks in:
*
* - WP_LANG_DIR/woocommerce-pdf-invoices-packing-slips/woocommerce-pdf-invoices-packing-slips-LOCALE.mo
* - WP_LANG_DIR/plugins/woocommerce-pdf-invoices-packing-slips-LOCALE.mo
* - woocommerce-pdf-invoices-packing-slips/languages/woocommerce-pdf-invoices-packing-slips-LOCALE.mo (which if not found falls back to:)
* - WP_LANG_DIR/plugins/woocommerce-pdf-invoices-packing-slips-LOCALE.mo
*/
foreach ( $textdomains as $textdomain ) {
unload_textdomain( $textdomain );
load_textdomain( $textdomain, $dir . 'woocommerce-pdf-invoices-packing-slips/woocommerce-pdf-invoices-packing-slips-' . $locale . '.mo' );
load_textdomain( $textdomain, $dir . 'plugins/woocommerce-pdf-invoices-packing-slips-' . $locale . '.mo' );
load_plugin_textdomain( $textdomain, false, dirname( plugin_basename(__FILE__) ) . '/languages' );
}
}
/**
* Maintain backwards compatibility with old translation files
* Uses old .mo file if it exists in any of the override locations
*/
public function textdomain_fallback( $mo, $textdomain ) {
$plugin_domain = 'woocommerce-pdf-invoices-packing-slips';
$old_domain = 'wpo_wcpdf';
if ( $textdomain !== $plugin_domain && $textdomain !== $old_domain ) {
return $mo;
}
$mopath = trailingslashit( dirname( $mo ) );
$mofile = basename( $mo );
if ( $textdomain == $old_domain ) {
$textdomain = $plugin_domain;
$mofile = str_replace( $old_domain, $textdomain, $mofile );
}
if ( $textdomain === $plugin_domain ) {
$old_mofile = str_replace( $textdomain, $old_domain, $mofile );
if ( file_exists( $mopath.$old_mofile ) ) {
// we have an old override - use it
return $mopath.$old_mofile;
}
// prevent loading outdated language packs
$pofile = str_replace( '.mo', '.po', $mofile );
if ( file_exists( $mopath.$pofile ) ) {
// load po file
$podata = file_get_contents( $mopath.$pofile );
// set revision date threshold
$block_before = strtotime( '2017-05-15' );
// read revision date
preg_match( '~PO-Revision-Date: (.*?)\\\n~s', $podata, $matches );
if ( isset( $matches[1] ) ) {
$revision_date = $matches[1];
if ( $revision_timestamp = strtotime( $revision_date ) ) {
// check if revision is before threshold date
if ( $revision_timestamp < $block_before ) {
// try bundled
$bundled_file = $this->plugin_path() . '/languages/'. $mofile;
if ( file_exists( $bundled_file ) ) {
return $bundled_file;
} else {
return '';
}
// delete po & mo file if possible
// @unlink($pofile);
// @unlink($mofile);
}
}
}
}
}
return $mopath.$mofile;
}
/**
* Load the main plugin classes and functions
*/
public function includes() {
// WooCommerce compatibility classes
include_once( $this->plugin_path() . '/includes/compatibility/abstract-wc-data-compatibility.php' );
include_once( $this->plugin_path() . '/includes/compatibility/class-wc-date-compatibility.php' );
include_once( $this->plugin_path() . '/includes/compatibility/class-wc-core-compatibility.php' );
include_once( $this->plugin_path() . '/includes/compatibility/class-wc-order-compatibility.php' );
include_once( $this->plugin_path() . '/includes/compatibility/class-wc-product-compatibility.php' );
include_once( $this->plugin_path() . '/includes/compatibility/wc-datetime-functions-compatibility.php' );
// Third party compatibility
include_once( $this->plugin_path() . '/includes/compatibility/class-wcpdf-compatibility-third-party-plugins.php' );
// Plugin classes
include_once( $this->plugin_path() . '/includes/wcpdf-functions.php' );
$this->settings = include_once( $this->plugin_path() . '/includes/class-wcpdf-settings.php' );
$this->documents = include_once( $this->plugin_path() . '/includes/class-wcpdf-documents.php' );
$this->main = include_once( $this->plugin_path() . '/includes/class-wcpdf-main.php' );
include_once( $this->plugin_path() . '/includes/class-wcpdf-assets.php' );
include_once( $this->plugin_path() . '/includes/class-wcpdf-admin.php' );
include_once( $this->plugin_path() . '/includes/class-wcpdf-frontend.php' );
include_once( $this->plugin_path() . '/includes/class-wcpdf-install.php' );
// Backwards compatibility with self
include_once( $this->plugin_path() . '/includes/legacy/class-wcpdf-legacy.php' );
include_once( $this->plugin_path() . '/includes/legacy/class-wcpdf-legacy-deprecated-hooks.php' );
// PHP MB String fallback functions
include_once( $this->plugin_path() . '/includes/compatibility/mb-string-compatibility.php' );
}
/**
* Instantiate classes when woocommerce is activated
*/
public function load_classes() {
if ( $this->is_woocommerce_activated() === false ) {
add_action( 'admin_notices', array ( $this, 'need_woocommerce' ) );
return;
}
if ( version_compare( PHP_VERSION, '5.3', '<' ) ) {
add_action( 'admin_notices', array ( $this, 'required_php_version' ) );
return;
}
// all systems ready - GO!
$this->includes();
}
/**
* Check if legacy mode is enabled
*/
public function legacy_mode_enabled() {
if (!isset($this->legacy_mode)) {
$debug_settings = get_option( 'wpo_wcpdf_settings_debug' );
$this->legacy_mode = isset($debug_settings['legacy_mode']);
}
return $this->legacy_mode;
}
/**
* Check if woocommerce is activated
*/
public function is_woocommerce_activated() {
$blog_plugins = get_option( 'active_plugins', array() );
$site_plugins = is_multisite() ? (array) maybe_unserialize( get_site_option('active_sitewide_plugins' ) ) : array();
if ( in_array( 'woocommerce/woocommerce.php', $blog_plugins ) || isset( $site_plugins['woocommerce/woocommerce.php'] ) ) {
return true;
} else {
return false;
}
}
/**
* WooCommerce not active notice.
*
* @return string Fallack notice.
*/
public function need_woocommerce() {
$error = sprintf( __( 'WooCommerce PDF Invoices & Packing Slips requires %sWooCommerce%s to be installed & activated!' , 'woocommerce-pdf-invoices-packing-slips' ), '', '' );
$message = '';
echo $message;
}
/**
* PHP version requirement notice
*/
public function required_php_version() {
$error = __( 'WooCommerce PDF Invoices & Packing Slips requires PHP 5.3 or higher (5.6 or higher recommended).', 'woocommerce-pdf-invoices-packing-slips' );
$how_to_update = __( 'How to update your PHP version', 'woocommerce-pdf-invoices-packing-slips' );
$message = sprintf('', $error, 'http://docs.wpovernight.com/general/how-to-update-your-php-version/', $how_to_update);
echo $message;
}
/**
* Show plugin changes. Code adapted from W3 Total Cache.
*/
public function in_plugin_update_message( $args ) {
$transient_name = 'wpo_wcpdf_upgrade_notice_' . $args['Version'];
if ( false === ( $upgrade_notice = get_transient( $transient_name ) ) ) {
$response = wp_safe_remote_get( 'https://plugins.svn.wordpress.org/woocommerce-pdf-invoices-packing-slips/trunk/readme.txt' );
if ( ! is_wp_error( $response ) && ! empty( $response['body'] ) ) {
$upgrade_notice = self::parse_update_notice( $response['body'], $args['new_version'] );
set_transient( $transient_name, $upgrade_notice, DAY_IN_SECONDS );
}
}
echo wp_kses_post( $upgrade_notice );
}
/**
* Parse update notice from readme file.
*
* @param string $content
* @param string $new_version
* @return string
*/
private function parse_update_notice( $content, $new_version ) {
// Output Upgrade Notice.
$matches = null;
$regexp = '~==\s*Upgrade Notice\s*==\s*=\s*(.*)\s*=(.*)(=\s*' . preg_quote( $new_version ) . '\s*=|$)~Uis';
$upgrade_notice = '';
if ( preg_match( $regexp, $content, $matches ) ) {
$notices = (array) preg_split( '~[\r\n]+~', trim( $matches[2] ) );
// Convert the full version strings to minor versions.
$notice_version_parts = explode( '.', trim( $matches[1] ) );
$current_version_parts = explode( '.', $this->version );
if ( 3 !== sizeof( $notice_version_parts ) ) {
return;
}
$notice_version = $notice_version_parts[0] . '.' . $notice_version_parts[1];
$current_version = $current_version_parts[0] . '.' . $current_version_parts[1];
// Check the latest stable version and ignore trunk.
if ( version_compare( $current_version, $notice_version, '<' ) ) {
$upgrade_notice .= '';
foreach ( $notices as $index => $line ) {
$upgrade_notice .= preg_replace( '~\[([^\]]*)\]\(([^\)]*)\)~', '${1}', $line );
}
}
}
return wp_kses_post( $upgrade_notice );
}
/**
* Get the plugin url.
* @return string
*/
public function plugin_url() {
return untrailingslashit( plugins_url( '/', __FILE__ ) );
}
/**
* Get the plugin path.
* @return string
*/
public function plugin_path() {
return untrailingslashit( plugin_dir_path( __FILE__ ) );
}
} // class WPO_WCPDF
endif; // class_exists
/**
* Returns the main instance of WooCommerce PDF Invoices & Packing Slips to prevent the need to use globals.
*
* @since 1.6
* @return WPO_WCPDF
*/
function WPO_WCPDF() {
return WPO_WCPDF::instance();
}
WPO_WCPDF(); // load plugin
// legacy class for plugin detecting
if ( !class_exists( 'WooCommerce_PDF_Invoices' ) ) {
class WooCommerce_PDF_Invoices{
public static $version;
public function __construct() {
self::$version = WPO_WCPDF()->version;
}
}
new WooCommerce_PDF_Invoices();
}