679 lines
20 KiB
PHP
679 lines
20 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly
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/**
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* Abstract Email Class
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*
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* WooCommerce Email Class which is extended by specific email template classes to add emails to WooCommerce
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*
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* @class WC_Email
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* @version 2.0.0
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* @package WooCommerce/Abstracts
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* @author WooThemes
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* @category Abstract Class
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* @extends WC_Settings_API
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*/
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abstract class WC_Email extends WC_Settings_API {
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/** @var string Payment method ID. */
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var $id;
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/** @var string Payment method title. */
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var $title;
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/** @var bool True if the method is enabled. */
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var $enabled;
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/** @var string Description for the gateway. */
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var $description;
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/** @var string plain text template path */
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var $template_plain;
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/** @var string html template path */
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var $template_html;
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/** @var string template path */
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var $template_base;
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/** @var string recipients for the email */
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var $recipient;
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/** @var string heading for the email content */
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var $heading;
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/** @var string subject for the email */
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var $subject;
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/** @var object this email is for, for example a customer, product, or email */
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var $object;
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/** @var array strings to find in subjects/headings */
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var $find;
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/** @var array strings to replace in subjects/headings */
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var $replace;
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/** @var string For multipart emails */
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var $mime_boundary;
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/** @var string For multipart emails */
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var $mime_boundary_header;
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/** @var bool true when email is being sent */
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var $sending;
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/**
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* List of preg* regular expression patterns to search for,
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* used in conjunction with $replace.
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* https://raw.github.com/ushahidi/wp-silcc/master/class.html2text.inc
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*
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* @var array $search
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* @access public
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* @see $replace
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*/
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var $plain_search = array(
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"/\r/", // Non-legal carriage return
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'/&(nbsp|#160);/i', // Non-breaking space
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'/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i',
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// Double quotes
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'/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes
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'/>/i', // Greater-than
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'/</i', // Less-than
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'/&(amp|#38);/i', // Ampersand
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'/&(copy|#169);/i', // Copyright
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'/&(trade|#8482|#153);/i', // Trademark
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'/&(reg|#174);/i', // Registered
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'/&(mdash|#151|#8212);/i', // mdash
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'/&(ndash|minus|#8211|#8722);/i', // ndash
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'/&(bull|#149|#8226);/i', // Bullet
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'/&(pound|#163);/i', // Pound sign
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'/&(euro|#8364);/i', // Euro sign
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'/&[^&;]+;/i', // Unknown/unhandled entities
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'/[ ]{2,}/' // Runs of spaces, post-handling
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);
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/**
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* List of pattern replacements corresponding to patterns searched.
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*
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* @var array $replace
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* @access public
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* @see $search
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*/
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var $plain_replace = array(
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'', // Non-legal carriage return
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' ', // Non-breaking space
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'"', // Double quotes
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"'", // Single quotes
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'>',
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'<',
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'&',
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'(c)',
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'(tm)',
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'(R)',
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'--',
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'-',
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'*',
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'£',
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'EUR', // Euro sign. € ?
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'', // Unknown/unhandled entities
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' ' // Runs of spaces, post-handling
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);
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/**
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* Constructor
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*
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* @access public
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* @return void
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*/
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function __construct() {
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global $woocommerce;
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// Init settings
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$this->init_form_fields();
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$this->init_settings();
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// Save settings hook
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add_action( 'woocommerce_update_options_email_' . $this->id, array( $this, 'process_admin_options' ) );
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// Default template base if not declared in child constructor
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if ( is_null( $this->template_base ) )
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$this->template_base = $woocommerce->plugin_path() . '/templates/';
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// Settings
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$this->heading = $this->get_option( 'heading', $this->heading );
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$this->subject = $this->get_option( 'subject', $this->subject );
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$this->email_type = $this->get_option( 'email_type' );
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$this->enabled = $this->get_option( 'enabled' );
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// Find/replace
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$this->find = array( '{blogname}' );
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$this->replace = array( $this->get_blogname() );
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// For multipart messages
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add_filter( 'phpmailer_init', array( $this, 'handle_multipart' ) );
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}
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/**
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* handle_multipart function.
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*
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* @access public
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* @param mixed $mailer
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* @return void
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*/
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function handle_multipart( $mailer ) {
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if ( $this->sending && $this->get_email_type() == 'multipart' ) {
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$mailer->AltBody = wordwrap( preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) ) );
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//$mailer->AltBody = wordwrap( html_entity_decode( strip_tags( $this->get_content_plain() ) ), 70 );
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$this->sending = false;
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}
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return $mailer;
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}
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/**
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* format_string function.
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*
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* @access public
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* @param mixed $string
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* @return string
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*/
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function format_string( $string ) {
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return str_replace( $this->find, $this->replace, $string );
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}
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/**
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* get_subject function.
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*
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* @access public
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* @return string
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*/
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function get_subject() {
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return apply_filters( 'woocommerce_email_subject_' . $this->id, $this->format_string( $this->subject ), $this->object );
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}
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/**
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* get_heading function.
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*
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* @access public
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* @return string
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*/
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function get_heading() {
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return apply_filters( 'woocommerce_email_heading_' . $this->id, $this->format_string( $this->heading ), $this->object );
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}
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/**
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* get_recipient function.
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*
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* @access public
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* @return string
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*/
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function get_recipient() {
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return apply_filters( 'woocommerce_email_recipient_' . $this->id, $this->recipient, $this->object );
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}
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/**
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* get_headers function.
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*
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* @access public
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* @return string
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*/
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function get_headers() {
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return apply_filters( 'woocommerce_email_headers', "Content-Type: " . $this->get_content_type() . "\r\n", $this->id, $this->object );
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}
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/**
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* get_attachments function.
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*
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* @access public
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* @return string
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*/
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function get_attachments() {
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return apply_filters( 'woocommerce_email_attachments', '', $this->id, $this->object );
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}
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/**
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* get_type function.
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*
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* @access public
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* @return string
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*/
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function get_email_type() {
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return $this->email_type ? $this->email_type : 'plain';
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}
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/**
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* get_content_type function.
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*
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* @access public
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* @return void
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*/
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function get_content_type() {
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switch ( $this->get_email_type() ) {
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case "html" :
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return 'text/html';
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case "multipart" :
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return 'multipart/alternative';
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default :
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return 'text/plain';
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}
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}
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/**
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* Proxy to parent's get_option and attempt to localize the result using gettext.
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*
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* @access public
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* @return string
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*/
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function get_option( $key, $empty_value = null ) {
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return __( parent::get_option( $key, $empty_value ) );
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}
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/**
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* Checks if this email is enabled and will be sent.
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*
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* @access public
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* @return bool
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*/
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function is_enabled() {
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$enabled = $this->enabled == "yes" ? true : false;
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return apply_filters( 'woocommerce_email_enabled_' . $this->id, $enabled, $this->object );
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}
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/**
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* get_blogname function.
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*
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* @access public
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* @return void
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*/
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function get_blogname() {
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return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
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}
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/**
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* get_content function.
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*
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* @access public
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* @return string
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*/
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function get_content() {
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$this->sending = true;
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if ( $this->get_email_type() == 'plain' ) {
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$email_content = preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) );
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} else {
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$email_content = $this->style_inline( $this->get_content_html() );
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}
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return $email_content;
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}
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/**
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* Apply inline styles to dynamic content.
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*
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* @access public
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* @param mixed $content
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* @return void
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*/
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function style_inline( $content ) {
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if ( ! class_exists( 'DOMDocument' ) )
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return $content;
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$dom = new DOMDocument();
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@$dom->loadHTML( $content );
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$nodes = $dom->getElementsByTagName('img');
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foreach( $nodes as $node )
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if ( ! $node->hasAttribute( 'style' ) )
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$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;" );
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$nodes_h1 = $dom->getElementsByTagName('h1');
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$nodes_h2 = $dom->getElementsByTagName('h2');
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$nodes_h3 = $dom->getElementsByTagName('h3');
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foreach( $nodes_h1 as $node )
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if ( ! $node->hasAttribute( 'style' ) )
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$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%;" );
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foreach( $nodes_h2 as $node )
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if ( ! $node->hasAttribute( 'style' ) )
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$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%;" );
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foreach( $nodes_h3 as $node )
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if ( ! $node->hasAttribute( 'style' ) )
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$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%;" );
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$nodes = $dom->getElementsByTagName('a');
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foreach( $nodes as $node )
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if ( ! $node->hasAttribute( 'style' ) )
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$node->setAttribute( "style", "color: " . get_option( 'woocommerce_email_text_color' ) . "; font-weight:normal; text-decoration:underline;" );
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$content = $dom->saveHTML();
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return $content;
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}
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/**
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* get_content_plain function.
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*
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* @access public
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* @return void
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*/
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function get_content_plain() {}
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/**
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* get_content_html function.
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*
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* @access public
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* @return void
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*/
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function get_content_html() {}
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/**
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* Get from name for email.
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*
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* @access public
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* @return string
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*/
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function get_from_name() {
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return wp_specialchars_decode( esc_html( get_option( 'woocommerce_email_from_name' ) ) );
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}
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/**
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* Get from email address.
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*
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* @access public
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* @return string
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*/
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function get_from_address() {
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return sanitize_email( get_option( 'woocommerce_email_from_address' ) );
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}
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/**
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* Send the email.
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*
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* @access public
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* @param mixed $to
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* @param mixed $subject
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* @param mixed $message
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* @param string $headers
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* @param string $attachments
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* @return void
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*/
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function send( $to, $subject, $message, $headers, $attachments ) {
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add_filter( 'wp_mail_from', array( $this, 'get_from_address' ) );
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add_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) );
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add_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
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wp_mail( $to, $subject, $message, $headers, $attachments );
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remove_filter( 'wp_mail_from', array( $this, 'get_from_address' ) );
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remove_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) );
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remove_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
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}
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/**
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* Initialise Settings Form Fields - these are generic email options most will use.
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*
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* @access public
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* @return void
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*/
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function init_form_fields() {
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$this->form_fields = array(
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'enabled' => array(
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'title' => __( 'Enable/Disable', 'woocommerce' ),
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'type' => 'checkbox',
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'label' => __( 'Enable this email notification', 'woocommerce' ),
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'default' => 'yes'
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),
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'subject' => array(
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'title' => __( 'Email subject', 'woocommerce' ),
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'type' => 'text',
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'description' => sprintf( __( 'Defaults to <code>%s</code>', 'woocommerce' ), $this->subject ),
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'placeholder' => '',
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'default' => ''
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),
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'heading' => array(
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'title' => __( 'Email heading', 'woocommerce' ),
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'type' => 'text',
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'description' => sprintf( __( 'Defaults to <code>%s</code>', 'woocommerce' ), $this->heading ),
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'placeholder' => '',
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'default' => ''
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),
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'email_type' => array(
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'title' => __( 'Email type', 'woocommerce' ),
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'type' => 'select',
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'description' => __( 'Choose which format of email to send.', 'woocommerce' ),
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'default' => 'html',
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'class' => 'email_type',
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'options' => array(
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'plain' => __( 'Plain text', 'woocommerce' ),
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'html' => __( 'HTML', 'woocommerce' ),
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'multipart' => __( 'Multipart', 'woocommerce' ),
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)
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)
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);
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}
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/**
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* Admin Panel Options Processing
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* - Saves the options to the DB
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*
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* @since 1.0.0
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* @access public
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* @return bool
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*/
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public function process_admin_options() {
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// Save regular options
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parent::process_admin_options();
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// Save templates
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if ( ! empty( $_POST['template_html_code'] ) && ! empty( $this->template_html ) ) {
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$saved = false;
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$file = get_stylesheet_directory() . '/woocommerce/' . $this->template_html;
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$code = stripslashes( $_POST['template_html_code'] );
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if ( is_writeable( $file ) ) {
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$f = fopen( $file, 'w+' );
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if ( $f !== FALSE ) {
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fwrite( $f, $code );
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fclose( $f );
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$saved = true;
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}
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}
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if ( ! $saved ) {
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$redirect = add_query_arg( 'wc_error', urlencode( __( 'Could not write to template file.', 'woocommerce' ) ) );
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wp_redirect( $redirect );
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exit;
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}
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}
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if ( ! empty( $_POST['template_plain_code'] ) && ! empty( $this->template_plain ) ) {
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$saved = false;
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$file = get_stylesheet_directory() . '/woocommerce/' . $this->template_plain;
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$code = stripslashes( $_POST['template_plain_code'] );
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if ( is_writeable( $file ) ) {
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$f = fopen( $file, 'w+' );
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if ( $f !== FALSE ) {
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fwrite( $f, $code );
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fclose( $f );
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$saved = true;
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}
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}
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if ( ! $saved ) {
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$redirect = add_query_arg( 'wc_error', __( 'Could not write to template file.', 'woocommerce' ) );
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wp_redirect( $redirect );
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exit;
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}
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}
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}
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/**
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* Admin Options
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*
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* Setup the gateway settings screen.
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* Override this in your gateway.
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*
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* @since 1.0.0
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* @access public
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* @return void
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*/
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function admin_options() {
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global $woocommerce;
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// Handle any actions
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if ( ! empty( $this->template_html ) || ! empty( $this->template_plain ) ) {
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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 = '" . 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 );
|
|
});
|
|
");
|
|
}
|
|
}
|
|
}
|