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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. */ var $id; /** @var string Payment method title. */ var $title; /** @var bool True if the method is enabled. */ var $enabled; /** @var string Description for the gateway. */ var $description; /** @var string plain text template path */ var $template_plain; /** @var string html template path */ var $template_html; /** @var string template path */ var $template_base; /** @var string recipients for the email */ var $recipient; /** @var string heading for the email content */ var $heading; /** @var string subject for the email */ var $subject; /** @var object this email is for, for example a customer, product, or email */ var $object; /** @var array strings to find in subjects/headings */ var $find; /** @var array strings to replace in subjects/headings */ var $replace; /** @var string For multipart emails */ var $mime_boundary; /** @var string For multipart emails */ var $mime_boundary_header; /** @var bool true when email is being sent */ var $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 * @access public * @see $replace */ var $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 '/&(amp|#38);/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 '/&[^&;]+;/i', // Unknown/unhandled entities '/[ ]{2,}/' // Runs of spaces, post-handling ); /** * List of pattern replacements corresponding to patterns searched. * * @var array $replace * @access public * @see $search */ var $plain_replace = array( '', // Non-legal carriage return ' ', // Non-breaking space '"', // Double quotes "'", // Single quotes '>', '<', '&', '(c)', '(tm)', '(R)', '--', '-', '*', '£', 'EUR', // Euro sign. € ? '', // Unknown/unhandled entities ' ' // Runs of spaces, post-handling ); /** * Constructor * * @access public * @return void */ function __construct() { global $woocommerce; // 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 = $woocommerce->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 = array( '{blogname}' ); $this->replace = array( $this->get_blogname() ); // For multipart messages add_filter( 'phpmailer_init', array( $this, 'handle_multipart' ) ); } /** * handle_multipart function. * * @access public * @param mixed $mailer * @return void */ 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. * * @access public * @param mixed $string * @return string */ function format_string( $string ) { return str_replace( $this->find, $this->replace, $string ); } /** * get_subject function. * * @access public * @return string */ function get_subject() { return apply_filters( 'woocommerce_email_subject_' . $this->id, $this->format_string( $this->subject ), $this->object ); } /** * get_heading function. * * @access public * @return string */ function get_heading() { return apply_filters( 'woocommerce_email_heading_' . $this->id, $this->format_string( $this->heading ), $this->object ); } /** * get_recipient function. * * @access public * @return string */ function get_recipient() { return apply_filters( 'woocommerce_email_recipient_' . $this->id, $this->recipient, $this->object ); } /** * get_headers function. * * @access public * @return string */ function get_headers() { return apply_filters( 'woocommerce_email_headers', "Content-Type: " . $this->get_content_type() . "\r\n", $this->id, $this->object ); } /** * get_attachments function. * * @access public * @return string */ function get_attachments() { return apply_filters( 'woocommerce_email_attachments', '', $this->id, $this->object ); } /** * get_type function. * * @access public * @return string */ function get_email_type() { return $this->email_type ? $this->email_type : 'plain'; } /** * get_content_type function. * * @access public * @return void */ function get_content_type() { switch ( $this->get_email_type() ) { case "html" : return 'text/html'; case "multipart" : return 'multipart/alternative'; default : return 'text/plain'; } } /** * Checks if this email is enabled and will be sent. * * @access public * @return bool */ function is_enabled() { $enabled = $this->enabled == "yes" ? true : false; return apply_filters( 'woocommerce_email_enabled_' . $this->id, $enabled, $this->object ); } /** * get_blogname function. * * @access public * @return void */ function get_blogname() { return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES ); } /** * get_content function. * * @access public * @return string */ 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 $email_content; } /** * Apply inline styles to dynamic content. * * @access public * @param mixed $content * @return void */ function style_inline( $content ) { if ( ! class_exists( 'DOMDocument' ) ) return $content; $dom = new DOMDocument(); @$dom->loadHTML( $content ); $nodes = $dom->getElementsByTagName('img'); foreach( $nodes as $node ) if ( ! $node->hasAttribute( 'style' ) ) $node->setAttribute( "style", "display:inline; border:none; font-size:14px; font-weight:bold; height:auto; line-height:100%; outline:none; text-decoration:none; text-transform:capitalize;" ); $nodes_h1 = $dom->getElementsByTagName('h1'); $nodes_h2 = $dom->getElementsByTagName('h2'); $nodes_h3 = $dom->getElementsByTagName('h3'); foreach( $nodes_h1 as $node ) if ( ! $node->hasAttribute( 'style' ) ) $node->setAttribute( "style", "color: " . get_option( 'woocommerce_email_text_color' ) . "; display:block; font-family:Arial; font-size:34px; font-weight:bold; margin-top: 10px; margin-right:0; margin-bottom:10px; margin-left:0; text-align:left; line-height: 150%;" ); foreach( $nodes_h2 as $node ) if ( ! $node->hasAttribute( 'style' ) ) $node->setAttribute( "style", "color: " . get_option( 'woocommerce_email_text_color' ) . "; display:block; font-family:Arial; font-size:30px; font-weight:bold; margin-top: 10px; margin-right:0; margin-bottom:10px; margin-left:0; text-align:left; line-height: 150%;" ); foreach( $nodes_h3 as $node ) if ( ! $node->hasAttribute( 'style' ) ) $node->setAttribute( "style", "color: " . get_option( 'woocommerce_email_text_color' ) . "; display:block; font-family:Arial; font-size:26px; font-weight:bold; margin-top: 10px; margin-right:0; margin-bottom:10px; margin-left:0; text-align:left; line-height: 150%;" ); $nodes = $dom->getElementsByTagName('a'); foreach( $nodes as $node ) if ( ! $node->hasAttribute( 'style' ) ) $node->setAttribute( "style", "color: " . get_option( 'woocommerce_email_text_color' ) . "; font-weight:normal; text-decoration:underline;" ); $content = $dom->saveHTML(); return $content; } /** * get_content_plain function. * * @access public * @return void */ function get_content_plain() {} /** * get_content_html function. * * @access public * @return void */ function get_content_html() {} /** * Get from name for email. * * @access public * @return string */ function get_from_name() { return wp_specialchars_decode( esc_html( get_option( 'woocommerce_email_from_name' ) ) ); } /** * Get from email address. * * @access public * @return string */ function get_from_address() { return sanitize_email( get_option( 'woocommerce_email_from_address' ) ); } /** * Send the email. * * @access public * @param mixed $to * @param mixed $subject * @param mixed $message * @param string $headers * @param string $attachments * @return void */ 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' ) ); 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' ) ); } /** * Initialise Settings Form Fields - these are generic email options most will use. * * @access public * @return void */ 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 * @access public * @return bool */ 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 * @access public * @return void */ function admin_options() { global $woocommerce; // 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 ) ) { copy( $this->template_base . $this->$template, 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; ?> <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( $core_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 endif; ?> <?php printf( __( 'To override and edit this email template copy <code>%s</code> to your theme folder: <code>%s</code>.', 'woocommerce' ), plugin_basename( $core_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( $core_file ); ?></textarea> </div> <?php else : ?> <p><?php _e( 'File was not found.', 'woocommerce' ); ?></p> <?php endif; ?> </div> <?php endforeach; ?> </div> <?php $woocommerce->add_inline_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 = '" . __( 'View template', 'woocommerce' ) . "'; var hide = '" . __( '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('" . __( '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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