833 lines
22 KiB
PHP
833 lines
22 KiB
PHP
<?php
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if ( ! defined( 'ABSPATH' ) ) {
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exit; // Exit if accessed directly
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}
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/**
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* 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/Classes/Emails
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* @author WooThemes
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* @extends WC_Settings_API
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*/
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class WC_Email extends WC_Settings_API {
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/**
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* Email method ID.
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*
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* @var String
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*/
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public $id;
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/**
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* Email method title.
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*
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* @var string
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*/
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public $title;
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/**
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* 'yes' if the method is enabled.
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*
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* @var string
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*/
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public $enabled;
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/**
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* Description for the email.
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*
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* @var string
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*/
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public $description;
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/**
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* Plain text template path.
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*
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* @var string
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*/
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public $template_plain;
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/**
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* HTML template path.
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*
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* @var string
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*/
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public $template_html;
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/**
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* Template path.
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*
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* @var string
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*/
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public $template_base;
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/**
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* Recipients for the email.
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*
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* @var string
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*/
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public $recipient;
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/**
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* Heading for the email content.
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*
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* @var string
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*/
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public $heading;
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/**
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* Subject for the email.
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*
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* @var string
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*/
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public $subject;
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/**
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* Object this email is for, for example a customer, product, or email.
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*
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* @var object
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*/
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public $object;
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/**
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* Strings to find in subjects/headings.
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*
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* @var array
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*/
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public $find;
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/**
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* Strings to replace in subjects/headings.
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*
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* @var array
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*/
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public $replace;
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/**
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* Mime boundary (for multipart emails).
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*
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* @var string
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*/
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public $mime_boundary;
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/**
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* Mime boundary header (for multipart emails).
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*
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* @var string
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*/
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public $mime_boundary_header;
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/**
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* True when email is being sent.
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*
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* @var bool
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*/
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public $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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* @see $replace
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*/
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public $plain_search = array(
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"/\r/", // Non-legal carriage return
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'/&(nbsp|#160);/i', // Non-breaking space
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'/&(quot|rdquo|ldquo|#8220|#8221|#147|#148);/i', // Double quotes
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'/&(apos|rsquo|lsquo|#8216|#8217);/i', // Single quotes
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'/>/i', // Greater-than
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'/</i', // Less-than
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'/&/i', // Ampersand
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'/&/i', // Ampersand
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'/&/i', // Ampersand
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'/&(copy|#169);/i', // Copyright
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'/&(trade|#8482|#153);/i', // Trademark
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'/&(reg|#174);/i', // Registered
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'/&(mdash|#151|#8212);/i', // mdash
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'/&(ndash|minus|#8211|#8722);/i', // ndash
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'/&(bull|#149|#8226);/i', // Bullet
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'/&(pound|#163);/i', // Pound sign
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'/&(euro|#8364);/i', // Euro sign
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'/$/', // Dollar 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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* @see $search
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*/
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public $plain_replace = array(
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'', // Non-legal carriage return
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' ', // Non-breaking space
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'"', // Double quotes
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"'", // Single quotes
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'>', // Greater-than
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'<', // Less-than
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'&', // Ampersand
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'&', // Ampersand
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'&', // Ampersand
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'(c)', // Copyright
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'(tm)', // Trademark
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'(R)', // Registered
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'--', // mdash
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'-', // ndash
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'*', // Bullet
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'£', // Pound sign
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'EUR', // Euro sign. € ?
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'$', // Dollar 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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public function __construct() {
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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 = WC()->plugin_path() . '/templates/';
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}
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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['blogname'] = '{blogname}';
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$this->find['site-title'] = '{site_title}';
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$this->replace['blogname'] = $this->get_blogname();
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$this->replace['site-title'] = $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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* @param PHPMailer $mailer
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* @return PHPMailer
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*/
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public 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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* @param mixed $string
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* @return string
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*/
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public 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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* @return string
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*/
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public 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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* @return string
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*/
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public 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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* @return string
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*/
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public 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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* @return string
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*/
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public 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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* @return string|array
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*/
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public function get_attachments() {
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return apply_filters( 'woocommerce_email_attachments', array(), $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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* @return string
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*/
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public function get_email_type() {
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return $this->email_type && class_exists( 'DOMDocument' ) ? $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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* @return string
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*/
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public 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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* @param string $key
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* @param mixed $empty_value
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* @return string
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*/
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public function get_option( $key, $empty_value = null ) {
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return apply_filters( 'woocommerce_email_get_option', __( parent::get_option( $key, $empty_value ) ), $this );
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}
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/**
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* Checks if this email is enabled and will be sent.
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*
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* @return bool
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*/
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public function is_enabled() {
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$enabled = $this->enabled == 'yes' ? true : false;
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return apply_filters( 'woocommerce_email_enabled_' . $this->id, $enabled, $this->object );
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}
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/**
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* get_blogname function.
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*
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* @return string
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*/
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public function get_blogname() {
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return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
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}
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/**
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* get_content function.
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*
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* @return string
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*/
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public function get_content() {
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$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->get_content_html();
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}
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return wordwrap( $email_content, 70 );
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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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* @param string|null $content
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* @return string
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*/
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public function style_inline( $content ) {
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// make sure we only inline CSS for html emails
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if ( in_array( $this->get_content_type(), array( 'text/html', 'multipart/alternative' ) ) && class_exists( 'DOMDocument' ) ) {
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// get CSS styles
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ob_start();
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wc_get_template( 'emails/email-styles.php' );
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$css = apply_filters( 'woocommerce_email_styles', ob_get_clean() );
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// apply CSS styles inline for picky email clients
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$emogrifier = new Emogrifier( $content, $css );
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$content = $emogrifier->emogrify();
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}
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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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* @return string
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*/
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public function get_content_plain() {}
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/**
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* get_content_html function.
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*
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* @return string
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*/
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public 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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* @return string
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*/
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public function get_from_name() {
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return wp_specialchars_decode( esc_html( get_option( 'woocommerce_email_from_name' ) ), ENT_QUOTES );
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}
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/**
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* Get from email address.
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*
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* @return string
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*/
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public 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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* @param string $to
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* @param string $subject
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* @param string $message
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* @param string $headers
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* @param string $attachments
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* @return bool
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*/
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public 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( $this, 'get_content_type' ) );
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$message = apply_filters( 'woocommerce_mail_content', $this->style_inline( $message ) );
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$return = 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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return $return;
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}
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/**
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* Initialise Settings Form Fields - these are generic email options most will use.
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*/
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public function init_form_fields() {
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$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 wc-enhanced-select',
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'options' => $this->get_email_type_options()
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)
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);
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}
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/**
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* Email type options
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*
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* @return array
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*/
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public function get_email_type_options() {
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$types = array(
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'plain' => __( 'Plain text', 'woocommerce' )
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);
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if ( class_exists( 'DOMDocument' ) ) {
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$types['html'] = __( 'HTML', 'woocommerce' );
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$types['multipart'] = __( 'Multipart', 'woocommerce' );
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}
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return $types;
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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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* @return boolean|null
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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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* Get template.
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*
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* @param string $type
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*
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* @return string
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*/
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public function get_template( $type ) {
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$type = esc_attr( basename( $type ) );
|
|
|
|
if ( 'template_html' == $type ) {
|
|
return $this->template_html;
|
|
} else if ( 'template_plain' == $type ) {
|
|
return $this->template_plain;
|
|
}
|
|
|
|
return '';
|
|
}
|
|
|
|
/**
|
|
* Get the template file in the current theme.
|
|
*
|
|
* @param string $template
|
|
*
|
|
* @return string
|
|
*/
|
|
public function get_theme_template_file( $template ) {
|
|
return get_stylesheet_directory() . '/' . apply_filters( 'woocommerce_template_directory', 'woocommerce', $template ) . '/' . $template;
|
|
}
|
|
|
|
/**
|
|
* Move template action.
|
|
*
|
|
* @param string $template_type
|
|
*/
|
|
protected function move_template_action( $template_type ) {
|
|
if ( $template = $this->get_template( $template_type ) ) {
|
|
|
|
if ( ! empty( $template ) ) {
|
|
|
|
$theme_file = $this->get_theme_template_file( $template );
|
|
|
|
if ( wp_mkdir_p( dirname( $theme_file ) ) && ! file_exists( $theme_file ) ) {
|
|
|
|
// Locate template file
|
|
$core_file = $this->template_base . $template;
|
|
$template_file = apply_filters( 'woocommerce_locate_core_template', $core_file, $template, $this->template_base );
|
|
|
|
// Copy template file
|
|
copy( $template_file, $theme_file );
|
|
|
|
/**
|
|
* woocommerce_copy_email_template action hook
|
|
*
|
|
* @param string $template_type The copied template type
|
|
* @param string $email The email object
|
|
*/
|
|
do_action( 'woocommerce_copy_email_template', $template_type, $this );
|
|
|
|
echo '<div class="updated fade"><p>' . __( 'Template file copied to theme.', 'woocommerce' ) . '</p></div>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Delete template action.
|
|
*
|
|
* @param string $template_type
|
|
*/
|
|
protected function delete_template_action( $template_type ) {
|
|
if ( $template = $this->get_template( $template_type ) ) {
|
|
|
|
if ( ! empty( $template ) ) {
|
|
|
|
$theme_file = $this->get_theme_template_file( $template );
|
|
|
|
if ( file_exists( $theme_file ) ) {
|
|
unlink( $theme_file );
|
|
|
|
/**
|
|
* woocommerce_delete_email_template action hook
|
|
*
|
|
* @param string $template The deleted template type
|
|
* @param string $email The email object
|
|
*/
|
|
do_action( 'woocommerce_delete_email_template', $template_type, $this );
|
|
|
|
echo '<div class="updated fade"><p>' . __( 'Template file deleted from theme.', 'woocommerce' ) . '</p></div>';
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Admin actions.
|
|
*/
|
|
protected function admin_actions() {
|
|
// Handle any actions
|
|
if ( ! empty( $this->template_html ) || ! empty( $this->template_plain ) ) {
|
|
|
|
if ( ! empty( $_GET['move_template'] ) ) {
|
|
$this->move_template_action( $_GET['move_template'] );
|
|
}
|
|
|
|
if ( ! empty( $_GET['delete_template'] ) ) {
|
|
$this->delete_template_action( $_GET['delete_template'] );
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Admin Options
|
|
*
|
|
* Setup the gateway settings screen.
|
|
* Override this in your gateway.
|
|
*
|
|
* @since 1.0.0
|
|
*/
|
|
public function admin_options() {
|
|
// Do admin acations.
|
|
$this->admin_actions();
|
|
|
|
?>
|
|
<h3><?php echo ( ! empty( $this->title ) ) ? $this->title : __( 'Settings','woocommerce' ) ; ?></h3>
|
|
|
|
<?php echo ( ! empty( $this->description ) ) ? wpautop( $this->description ) : ''; ?>
|
|
|
|
<?php
|
|
/**
|
|
* woocommerce_email_settings_before action hook
|
|
*
|
|
* @param string $email The email object
|
|
*/
|
|
do_action( 'woocommerce_email_settings_before', $this );
|
|
?>
|
|
|
|
<table class="form-table">
|
|
<?php $this->generate_settings_html(); ?>
|
|
</table>
|
|
|
|
<?php
|
|
/**
|
|
* woocommerce_email_settings_after action hook
|
|
*
|
|
* @param string $email The email object
|
|
*/
|
|
do_action( 'woocommerce_email_settings_after', $this );
|
|
?>
|
|
|
|
<?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_type => $title ) :
|
|
$template = $this->get_template( $template_type );
|
|
|
|
if ( empty( $template ) ) {
|
|
continue;
|
|
}
|
|
|
|
$local_file = $this->get_theme_template_file( $template );
|
|
$core_file = $this->template_base . $template;
|
|
$template_file = apply_filters( 'woocommerce_locate_core_template', $core_file, $template, $this->template_base );
|
|
$template_dir = apply_filters( 'woocommerce_template_directory', 'woocommerce', $template );
|
|
?>
|
|
<div class="template <?php echo $template_type; ?>">
|
|
|
|
<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 esc_url( remove_query_arg( array( 'move_template', 'saved' ), add_query_arg( 'delete_template', $template_type ) ) ); ?>" 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/' . $template_dir . '/' . $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_type . '_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() . '/' . $template_dir . '/emails/' ) && is_writable( get_stylesheet_directory() . '/' . $template_dir . '/emails/' ) ) || is_writable( get_stylesheet_directory() ) ) { ?>
|
|
<a href="<?php echo esc_url( remove_query_arg( array( 'delete_template', 'saved' ), add_query_arg( 'move_template', $template_type ) ) ); ?>" 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/' . $template_dir . '/' . $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 );
|
|
});
|
|
" );
|
|
}
|
|
}
|
|
}
|