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<?php
if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly }
/** * Abstract Email Class * * WooCommerce Email Class which is extended by specific email template classes to add emails to WooCommerce * * @class WC_Email * @version 2.0.0 * @package WooCommerce/Abstracts * @author WooThemes * @category Abstract Class * @extends WC_Settings_API */ abstract class WC_Email extends WC_Settings_API {
/** @var string Payment method ID. */ public $id;
/** @var string Payment method title. */ public $title;
/** @var string 'yes' if the method is enabled. */ public $enabled;
/** @var string Description for the gateway. */ public $description;
/** @var string plain text template path */ public $template_plain;
/** @var string html template path */ public $template_html;
/** @var string template path */ public $template_base;
/** @var string recipients for the email */ public $recipient;
/** @var string heading for the email content */ public $heading;
/** @var string subject for the email */ public $subject;
/** @var object this email is for, for example a customer, product, or email */ public $object;
/** @var array strings to find in subjects/headings */ public $find;
/** @var array strings to replace in subjects/headings */ public $replace;
/** @var string For multipart emails */ public $mime_boundary;
/** @var string For multipart emails */ public $mime_boundary_header;
/** @var bool true when email is being sent */ public $sending;
/** * List of preg* regular expression patterns to search for, * used in conjunction with $replace. * https://raw.github.com/ushahidi/wp-silcc/master/class.html2text.inc * * @var array $search * @see $replace */ public $plain_search = array( "/\r/", // Non-legal carriage return '/&(nbsp|#160);/i', // Non-breaking space '/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i', // Double quotes '/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes '/>/i', // Greater-than '/</i', // Less-than '/&/i', // Ampersand '/&/i', // Ampersand '/&/i', // Ampersand '/&(copy|#169);/i', // Copyright '/&(trade|#8482|#153);/i', // Trademark '/&(reg|#174);/i', // Registered '/&(mdash|#151|#8212);/i', // mdash '/&(ndash|minus|#8211|#8722);/i', // ndash '/&(bull|#149|#8226);/i', // Bullet '/&(pound|#163);/i', // Pound sign '/&(euro|#8364);/i', // Euro sign '/$/', // Dollar sign '/&[^&;]+;/i', // Unknown/unhandled entities '/[ ]{2,}/' // Runs of spaces, post-handling );
/** * List of pattern replacements corresponding to patterns searched. * * @var array $replace * @see $search */ public $plain_replace = array( '', // Non-legal carriage return ' ', // Non-breaking space '"', // Double quotes "'", // Single quotes '>', // Greater-than '<', // Less-than '&', // Ampersand '&', // Ampersand '&', // Ampersand '(c)', // Copyright '(tm)', // Trademark '(R)', // Registered '--', // mdash '-', // ndash '*', // Bullet '£', // Pound sign 'EUR', // Euro sign. € ? '$', // Dollar sign '', // Unknown/unhandled entities ' ' // Runs of spaces, post-handling );
/** * Constructor */ public function __construct() {
// Init settings $this->init_form_fields(); $this->init_settings();
// Save settings hook add_action( 'woocommerce_update_options_email_' . $this->id, array( $this, 'process_admin_options' ) );
// Default template base if not declared in child constructor if ( is_null( $this->template_base ) ) { $this->template_base = WC()->plugin_path() . '/templates/'; }
// Settings $this->heading = $this->get_option( 'heading', $this->heading ); $this->subject = $this->get_option( 'subject', $this->subject ); $this->email_type = $this->get_option( 'email_type' ); $this->enabled = $this->get_option( 'enabled' );
// Find/replace $this->find['blogname'] = '{blogname}'; $this->find['site-title'] = '{site_title}';
$this->replace['blogname'] = $this->get_blogname(); $this->replace['site-title'] = $this->get_blogname();
// For multipart messages add_filter( 'phpmailer_init', array( $this, 'handle_multipart' ) );
// For default inline styles add_filter( 'woocommerce_email_style_inline_tags', array( $this, 'style_inline_tags' ) ); add_filter( 'woocommerce_email_style_inline_h1_tag', array( $this, 'style_inline_h1_tag' ) ); add_filter( 'woocommerce_email_style_inline_h2_tag', array( $this, 'style_inline_h2_tag' ) ); add_filter( 'woocommerce_email_style_inline_h3_tag', array( $this, 'style_inline_h3_tag' ) ); add_filter( 'woocommerce_email_style_inline_a_tag', array( $this, 'style_inline_a_tag' ) ); add_filter( 'woocommerce_email_style_inline_img_tag', array( $this, 'style_inline_img_tag' ) ); }
/** * handle_multipart function. * * @param PHPMailer $mailer * @return PHPMailer */ public function handle_multipart( $mailer ) {
if ( $this->sending && $this->get_email_type() == 'multipart' ) {
$mailer->AltBody = wordwrap( preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) ) ); //$mailer->AltBody = wordwrap( html_entity_decode( strip_tags( $this->get_content_plain() ) ), 70 ); $this->sending = false; }
return $mailer; }
/** * format_string function. * * @param mixed $string * @return string */ public function format_string( $string ) { return str_replace( $this->find, $this->replace, $string ); }
/** * get_subject function. * * @return string */ public function get_subject() { return apply_filters( 'woocommerce_email_subject_' . $this->id, $this->format_string( $this->subject ), $this->object ); }
/** * get_heading function. * * @return string */ public function get_heading() { return apply_filters( 'woocommerce_email_heading_' . $this->id, $this->format_string( $this->heading ), $this->object ); }
/** * get_recipient function. * * @return string */ public function get_recipient() { return apply_filters( 'woocommerce_email_recipient_' . $this->id, $this->recipient, $this->object ); }
/** * get_headers function. * * @return string */ public function get_headers() { return apply_filters( 'woocommerce_email_headers', "Content-Type: " . $this->get_content_type() . "\r\n", $this->id, $this->object ); }
/** * get_attachments function. * * @return string|array */ public function get_attachments() { return apply_filters( 'woocommerce_email_attachments', array(), $this->id, $this->object ); }
/** * get_type function. * * @return string */ public function get_email_type() { return $this->email_type ? $this->email_type : 'plain'; }
/** * get_content_type function. * * @return string */ public function get_content_type() {
switch ( $this->get_email_type() ) { case "html" : return 'text/html'; case "multipart" : return 'multipart/alternative'; default : return 'text/plain'; } }
/** * Proxy to parent's get_option and attempt to localize the result using gettext. * * @param string $key * @param mixed $empty_value * @return string */ public function get_option( $key, $empty_value = null ) { return __( parent::get_option( $key, $empty_value ) ); }
/** * Checks if this email is enabled and will be sent. * * @return bool */ public function is_enabled() { $enabled = $this->enabled == "yes" ? true : false;
return apply_filters( 'woocommerce_email_enabled_' . $this->id, $enabled, $this->object ); }
/** * get_blogname function. * * @return string */ public function get_blogname() { return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); }
/** * get_content function. * * @return string */ public function get_content() {
$this->sending = true;
if ( $this->get_email_type() == 'plain' ) { $email_content = preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) ); } else { $email_content = $this->style_inline( $this->get_content_html() ); }
return wordwrap( $email_content, 70 ); }
/** * style_inline_tags function. * * @param array $tags * @return array */ public function style_inline_tags( $tags ) { return array_unique( array_merge( $tags, array( 'h1', 'h2', 'h3', 'a', 'img' ) ) ); }
/** * style_inline_h1_tag function. * * @param array $styles * @return array */ public function style_inline_h1_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' ); $styles['display'] = 'block'; $styles['font-family'] = 'Arial'; $styles['font-size'] = '34px'; $styles['font-weight'] = 'bold'; $styles['margin-top'] = '10px'; $styles['margin-right'] = '0'; $styles['margin-bottom'] = '10px'; $styles['margin-left'] = '0'; $styles['text-align'] = 'left'; $styles['line-height'] = '150%';
return $styles; }
/** * style_inline_h2_tag function. * * @param array $styles * @return array */ public function style_inline_h2_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' ); $styles['display'] = 'block'; $styles['font-family'] = 'Arial'; $styles['font-size'] = '30px'; $styles['font-weight'] = 'bold'; $styles['margin-top'] = '10px'; $styles['margin-right'] = '0'; $styles['margin-bottom'] = '10px'; $styles['margin-left'] = '0'; $styles['text-align'] = 'left'; $styles['line-height'] = '150%';
return $styles; }
/** * style_inline_h3_tag function. * * @param array $styles * @return array */ public function style_inline_h3_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' ); $styles['display'] = 'block'; $styles['font-family'] = 'Arial'; $styles['font-size'] = '26px'; $styles['font-weight'] = 'bold'; $styles['margin-top'] = '10px'; $styles['margin-right'] = '0'; $styles['margin-bottom'] = '10px'; $styles['margin-left'] = '0'; $styles['text-align'] = 'left'; $styles['line-height'] = '150%';
return $styles; }
/** * @param array $styles * @return array */ public function style_inline_a_tag( $styles ) {
$styles['color'] = get_option( 'woocommerce_email_text_color' ); $styles['font-weight'] = 'normal'; $styles['text-decoration'] = 'underline';
return $styles; }
/** * style_inline_img_tag function. * * @param array $styles * @return array */ public function style_inline_img_tag( $styles ) {
$styles['display'] = 'inline'; $styles['border'] = 'none'; $styles['font-size'] = '14px'; $styles['font-weight'] = 'bold'; $styles['height'] = 'auto'; $styles['line-height'] = '100%'; $styles['outline'] = 'none'; $styles['text-decoration'] = 'none'; $styles['text-transform'] = 'capitalize';
return $styles; }
/** * get_style_inline_tags function. * * @return array */ public function get_style_inline_tags() { return apply_filters( 'woocommerce_email_style_inline_tags', array() ); }
/** * get_style_inline_for_tag function. * * @param string $tag * @return string */ public function get_style_inline_for_tag( $tag ) {
$styles = apply_filters( 'woocommerce_email_style_inline_' . $tag . '_tag', array() ); $css = array();
foreach( $styles as $property => $value ) { $css[] = $property . ':' . $value; }
return implode('; ', $css); }
/** * Apply inline styles to dynamic content. * * @param string|null $content * @return string */ public function style_inline( $content ) {
if ( ! class_exists( 'DOMDocument' ) ) { return $content; }
$dom = new DOMDocument(); libxml_use_internal_errors( true ); @$dom->loadHTML( $content ); libxml_clear_errors();
foreach( $this->get_style_inline_tags() as $tag ) { $nodes = $dom->getElementsByTagName($tag);
foreach( $nodes as $node ) { if ( ! $node->hasAttribute( 'style' ) ) { $node->setAttribute( 'style', $this->get_style_inline_for_tag($tag) ); } } }
$content = $dom->saveHTML();
return $content; }
/** * get_content_plain function. * * @return string */ public function get_content_plain() {}
/** * get_content_html function. * * @return string */ public function get_content_html() {}
/** * Get from name for email. * * @return string */ public function get_from_name() { return wp_specialchars_decode( esc_html( get_option( 'woocommerce_email_from_name' ) ), ENT_QUOTES ); }
/** * Get from email address. * * @return string */ public function get_from_address() { return sanitize_email( get_option( 'woocommerce_email_from_address' ) ); }
/** * Send the email. * * @param string $to * @param string $subject * @param string $message * @param string $headers * @param string $attachments * @return bool */ public function send( $to, $subject, $message, $headers, $attachments ) {
add_filter( 'wp_mail_from', array( $this, 'get_from_address' ) ); add_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) ); add_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
$return = wp_mail( $to, $subject, $message, $headers, $attachments );
remove_filter( 'wp_mail_from', array( $this, 'get_from_address' ) ); remove_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) ); remove_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
return $return; }
/** * Initialise Settings Form Fields - these are generic email options most will use. */ function init_form_fields() {
$this->form_fields = array( 'enabled' => array( 'title' => __( 'Enable/Disable', 'woocommerce' ), 'type' => 'checkbox', 'label' => __( 'Enable this email notification', 'woocommerce' ), 'default' => 'yes' ), 'subject' => array( 'title' => __( 'Email subject', 'woocommerce' ), 'type' => 'text', 'description' => sprintf( __( 'Defaults to <code>%s</code>', 'woocommerce' ), $this->subject ), 'placeholder' => '', 'default' => '' ), 'heading' => array( 'title' => __( 'Email heading', 'woocommerce' ), 'type' => 'text', 'description' => sprintf( __( 'Defaults to <code>%s</code>', 'woocommerce' ), $this->heading ), 'placeholder' => '', 'default' => '' ), 'email_type' => array( 'title' => __( 'Email type', 'woocommerce' ), 'type' => 'select', 'description' => __( 'Choose which format of email to send.', 'woocommerce' ), 'default' => 'html', 'class' => 'email_type', 'options' => array( 'plain' => __( 'Plain text', 'woocommerce' ), 'html' => __( 'HTML', 'woocommerce' ), 'multipart' => __( 'Multipart', 'woocommerce' ), ) ) ); }
/** * Admin Panel Options Processing * - Saves the options to the DB * * @since 1.0.0 * @return boolean|null */ public function process_admin_options() {
// Save regular options parent::process_admin_options();
// Save templates if ( ! empty( $_POST['template_html_code'] ) && ! empty( $this->template_html ) ) {
$saved = false; $file = get_stylesheet_directory() . '/woocommerce/' . $this->template_html; $code = stripslashes( $_POST['template_html_code'] );
if ( is_writeable( $file ) ) {
$f = fopen( $file, 'w+' );
if ( $f !== FALSE ) { fwrite( $f, $code ); fclose( $f ); $saved = true; } }
if ( ! $saved ) { $redirect = add_query_arg( 'wc_error', urlencode( __( 'Could not write to template file.', 'woocommerce' ) ) ); wp_redirect( $redirect ); exit; } }
if ( ! empty( $_POST['template_plain_code'] ) && ! empty( $this->template_plain ) ) {
$saved = false; $file = get_stylesheet_directory() . '/woocommerce/' . $this->template_plain; $code = stripslashes( $_POST['template_plain_code'] );
if ( is_writeable( $file ) ) {
$f = fopen( $file, 'w+' );
if ( $f !== FALSE ) { fwrite( $f, $code ); fclose( $f ); $saved = true; } }
if ( ! $saved ) { $redirect = add_query_arg( 'wc_error', __( 'Could not write to template file.', 'woocommerce' ) ); wp_redirect( $redirect ); exit; } } }
/** * Admin Options * * Setup the gateway settings screen. * Override this in your gateway. * * @since 1.0.0 */ public function admin_options() {
// Handle any actions if ( ! empty( $this->template_html ) || ! empty( $this->template_plain ) ) {
if ( ! empty( $_GET['move_template'] ) && ( $template = esc_attr( basename( $_GET['move_template'] ) ) ) ) {
if ( ! empty( $this->$template ) ) {
if ( wp_mkdir_p( dirname( get_stylesheet_directory() . '/woocommerce/' . $this->$template ) ) && ! file_exists( get_stylesheet_directory() . '/woocommerce/' . $this->$template ) ) {
// Locate template file $core_file = $this->template_base . $this->$template; $template_file = apply_filters( 'woocommerce_locate_core_template', $core_file, $this->$template, $this->template_base );
// Copy template file copy( $template_file, get_stylesheet_directory() . '/woocommerce/' . $this->$template ); echo '<div class="updated fade"><p>' . __( 'Template file copied to theme.', 'woocommerce' ) . '</p></div>'; } } }
if ( ! empty( $_GET['delete_template'] ) && ( $template = esc_attr( basename( $_GET['delete_template'] ) ) ) ) {
if ( ! empty( $this->$template ) ) {
if ( file_exists( get_stylesheet_directory() . '/woocommerce/' . $this->$template ) ) { unlink( get_stylesheet_directory() . '/woocommerce/' . $this->$template ); echo '<div class="updated fade"><p>' . __( 'Template file deleted from theme.', 'woocommerce' ) . '</p></div>'; } } }
}
?> <h3><?php echo ( ! empty( $this->title ) ) ? $this->title : __( 'Settings','woocommerce' ) ; ?></h3>
<?php echo ( ! empty( $this->description ) ) ? wpautop( $this->description ) : ''; ?>
<table class="form-table"> <?php $this->generate_settings_html(); ?> </table>
<?php if ( ! empty( $this->template_html ) || ! empty( $this->template_plain ) ) { ?> <div id="template"> <?php $templates = array( 'template_html' => __( 'HTML template', 'woocommerce' ), 'template_plain' => __( 'Plain text template', 'woocommerce' ) );
foreach ( $templates as $template => $title ) :
if ( empty( $this->$template ) ) { continue; }
$local_file = get_stylesheet_directory() . '/woocommerce/' . $this->$template; $core_file = $this->template_base . $this->$template; $template_file = apply_filters( 'woocommerce_locate_core_template', $core_file, $this->$template, $this->template_base ); ?> <div class="template <?php echo $template; ?>">
<h4><?php echo wp_kses_post( $title ); ?></h4>
<?php if ( file_exists( $local_file ) ) { ?>
<p> <a href="#" class="button toggle_editor"></a>
<?php if ( is_writable( $local_file ) ) : ?> <a href="<?php echo remove_query_arg( array( 'move_template', 'saved' ), add_query_arg( 'delete_template', $template ) ); ?>" class="delete_template button"><?php _e( 'Delete template file', 'woocommerce' ); ?></a> <?php endif; ?>
<?php printf( __( 'This template has been overridden by your theme and can be found in: <code>%s</code>.', 'woocommerce' ), 'yourtheme/woocommerce/' . $this->$template ); ?> </p>
<div class="editor" style="display:none"> <textarea class="code" cols="25" rows="20" <?php if ( ! is_writable( $local_file ) ) : ?>readonly="readonly" disabled="disabled"<?php else : ?>data-name="<?php echo $template . '_code'; ?>"<?php endif; ?>><?php echo file_get_contents( $local_file ); ?></textarea> </div>
<?php } elseif ( file_exists( $template_file ) ) { ?>
<p> <a href="#" class="button toggle_editor"></a>
<?php if ( ( is_dir( get_stylesheet_directory() . '/woocommerce/emails/' ) && is_writable( get_stylesheet_directory() . '/woocommerce/emails/' ) ) || is_writable( get_stylesheet_directory() ) ) { ?> <a href="<?php echo remove_query_arg( array( 'delete_template', 'saved' ), add_query_arg( 'move_template', $template ) ); ?>" class="button"><?php _e( 'Copy file to theme', 'woocommerce' ); ?></a> <?php } ?>
<?php printf( __( 'To override and edit this email template copy <code>%s</code> to your theme folder: <code>%s</code>.', 'woocommerce' ), plugin_basename( $template_file ) , 'yourtheme/woocommerce/' . $this->$template ); ?> </p>
<div class="editor" style="display:none"> <textarea class="code" readonly="readonly" disabled="disabled" cols="25" rows="20"><?php echo file_get_contents( $template_file ); ?></textarea> </div>
<?php } else { ?>
<p><?php _e( 'File was not found.', 'woocommerce' ); ?></p>
<?php } ?>
</div> <?php endforeach; ?> </div> <?php wc_enqueue_js(" jQuery('select.email_type').change(function() {
var val = jQuery( this ).val();
jQuery('.template_plain, .template_html').show();
if ( val != 'multipart' && val != 'html' ) jQuery('.template_html').hide();
if ( val != 'multipart' && val != 'plain' ) jQuery('.template_plain').hide();
}).change();
var view = '" . esc_js( __( 'View template', 'woocommerce' ) ) . "'; var hide = '" . esc_js( __( 'Hide template', 'woocommerce' ) ) . "';
jQuery('a.toggle_editor').text( view ).toggle( function() { jQuery( this ).text( hide ).closest('.template').find('.editor').slideToggle(); return false; }, function() { jQuery( this ).text( view ).closest('.template').find('.editor').slideToggle(); return false; } );
jQuery('a.delete_template').click(function(){ var answer = confirm('" . esc_js( __( 'Are you sure you want to delete this template file?', 'woocommerce' ) ) . "');
if (answer) return true;
return false; });
jQuery('.editor textarea').change(function(){ var name = jQuery(this).attr( 'data-name' );
if ( name ) jQuery(this).attr( 'name', name ); }); "); } } }
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