', // Greater-than
'<', // Less-than
'&', // Ampersand
'&', // Ampersand
'&', // Ampersand
'(c)', // Copyright
'(tm)', // Trademark
'(R)', // Registered
'--', // mdash
'-', // ndash
'*', // Bullet
'£', // Pound sign
'EUR', // Euro sign. € ?
'$', // Dollar sign
'', // Unknown/unhandled entities
' ' // Runs of spaces, post-handling
);
/**
* Constructor.
*/
public function __construct() {
// Init settings
$this->init_form_fields();
$this->init_settings();
// Save settings hook
add_action( 'woocommerce_update_options_email_' . $this->id, array( $this, 'process_admin_options' ) );
// Default template base if not declared in child constructor
if ( is_null( $this->template_base ) ) {
$this->template_base = WC()->plugin_path() . '/templates/';
}
// Settings
$this->heading = $this->get_option( 'heading', $this->heading );
$this->subject = $this->get_option( 'subject', $this->subject );
$this->email_type = $this->get_option( 'email_type' );
$this->enabled = $this->get_option( 'enabled' );
// Find/replace
$this->find['blogname'] = '{blogname}';
$this->find['site-title'] = '{site_title}';
$this->replace['blogname'] = $this->get_blogname();
$this->replace['site-title'] = $this->get_blogname();
// For multipart messages
add_action( 'phpmailer_init', array( $this, 'handle_multipart' ) );
}
/**
* Handle multipart mail.
*
* @param PHPMailer $mailer
* @return PHPMailer
*/
public function handle_multipart( $mailer ) {
if ( $this->sending && 'multipart' === $this->get_email_type() ) {
$mailer->AltBody = wordwrap( preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) ) );
$this->sending = false;
}
return $mailer;
}
/**
* Format email string.
*
* @param mixed $string
* @return string
*/
public function format_string( $string ) {
return str_replace( apply_filters( 'woocommerce_email_format_string_find', $this->find, $this ), apply_filters( 'woocommerce_email_format_string_replace', $this->replace, $this ), __( $string ) );
}
/**
* Get email subject.
*
* @return string
*/
public function get_subject() {
return apply_filters( 'woocommerce_email_subject_' . $this->id, $this->format_string( $this->subject ), $this->object );
}
/**
* Get email heading.
*
* @return string
*/
public function get_heading() {
return apply_filters( 'woocommerce_email_heading_' . $this->id, $this->format_string( $this->heading ), $this->object );
}
/**
* Get valid recipients.
* @return string
*/
public function get_recipient() {
$recipient = apply_filters( 'woocommerce_email_recipient_' . $this->id, $this->recipient, $this->object );
$recipients = array_map( 'trim', explode( ',', $recipient ) );
$recipients = array_filter( $recipients, 'is_email' );
return implode( ', ', $recipients );
}
/**
* Get email headers.
*
* @return string
*/
public function get_headers() {
return apply_filters( 'woocommerce_email_headers', "Content-Type: " . $this->get_content_type() . "\r\n", $this->id, $this->object );
}
/**
* Get email attachments.
*
* @return string|array
*/
public function get_attachments() {
return apply_filters( 'woocommerce_email_attachments', array(), $this->id, $this->object );
}
/**
* get_type function.
*
* @return string
*/
public function get_email_type() {
return $this->email_type && class_exists( 'DOMDocument' ) ? $this->email_type : 'plain';
}
/**
* Get email content type.
*
* @return string
*/
public function get_content_type() {
switch ( $this->get_email_type() ) {
case 'html' :
return 'text/html';
case 'multipart' :
return 'multipart/alternative';
default :
return 'text/plain';
}
}
/**
* Return the email's title
* @return string
*/
public function get_title() {
return apply_filters( 'woocommerce_email_title', $this->title, $this );
}
/**
* Return the email's description
* @return string
*/
public function get_description() {
return apply_filters( 'woocommerce_email_description', $this->description, $this );
}
/**
* Proxy to parent's get_option and attempt to localize the result using gettext.
*
* @param string $key
* @param mixed $empty_value
* @return string
*/
public function get_option( $key, $empty_value = null ) {
$value = parent::get_option( $key, $empty_value );
return apply_filters( 'woocommerce_email_get_option', $value, $this, $value, $key, $empty_value );
}
/**
* Checks if this email is enabled and will be sent.
* @return bool
*/
public function is_enabled() {
return apply_filters( 'woocommerce_email_enabled_' . $this->id, 'yes' === $this->enabled, $this->object );
}
/**
* Checks if this email is manually sent
* @return bool
*/
public function is_manual() {
return $this->manual;
}
/**
* Checks if this email is customer focussed.
* @return bool
*/
public function is_customer_email() {
return $this->customer_email;
}
/**
* Get WordPress blog name.
*
* @return string
*/
public function get_blogname() {
return wp_specialchars_decode( get_option( 'blogname' ), ENT_QUOTES );
}
/**
* Get email content.
*
* @return string
*/
public function get_content() {
$this->sending = true;
if ( 'plain' === $this->get_email_type() ) {
$email_content = preg_replace( $this->plain_search, $this->plain_replace, strip_tags( $this->get_content_plain() ) );
} else {
$email_content = $this->get_content_html();
}
return wordwrap( $email_content, 70 );
}
/**
* Apply inline styles to dynamic content.
*
* @param string|null $content
* @return string
*/
public function style_inline( $content ) {
// make sure we only inline CSS for html emails
if ( in_array( $this->get_content_type(), array( 'text/html', 'multipart/alternative' ) ) && class_exists( 'DOMDocument' ) ) {
ob_start();
wc_get_template( 'emails/email-styles.php' );
$css = apply_filters( 'woocommerce_email_styles', ob_get_clean() );
// apply CSS styles inline for picky email clients
try {
$emogrifier = new Emogrifier( $content, $css );
$content = $emogrifier->emogrify();
} catch ( Exception $e ) {
$logger = new WC_Logger();
$logger->add( 'emogrifier', $e->getMessage() );
}
}
return $content;
}
/**
* Get the email content in plain text format.
* @return string
*/
public function get_content_plain() { return ''; }
/**
* Get the email content in HTML format.
* @return string
*/
public function get_content_html() { return ''; }
/**
* Get the from name for outgoing emails.
* @return string
*/
public function get_from_name() {
$from_name = apply_filters( 'woocommerce_email_from_name', get_option( 'woocommerce_email_from_name' ), $this );
return wp_specialchars_decode( esc_html( $from_name ), ENT_QUOTES );
}
/**
* Get the from address for outgoing emails.
* @return string
*/
public function get_from_address() {
$from_address = apply_filters( 'woocommerce_email_from_address', get_option( 'woocommerce_email_from_address' ), $this );
return sanitize_email( $from_address );
}
/**
* Send an email.
* @param string $to
* @param string $subject
* @param string $message
* @param string $headers
* @param string $attachments
* @return bool success
*/
public function send( $to, $subject, $message, $headers, $attachments ) {
add_filter( 'wp_mail_from', array( $this, 'get_from_address' ) );
add_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) );
add_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
$message = apply_filters( 'woocommerce_mail_content', $this->style_inline( $message ) );
$return = wp_mail( $to, $subject, $message, $headers, $attachments );
remove_filter( 'wp_mail_from', array( $this, 'get_from_address' ) );
remove_filter( 'wp_mail_from_name', array( $this, 'get_from_name' ) );
remove_filter( 'wp_mail_content_type', array( $this, 'get_content_type' ) );
return $return;
}
/**
* Initialise Settings Form Fields - these are generic email options most will use.
*/
public 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 %s
', 'woocommerce' ), $this->subject ),
'placeholder' => '',
'default' => '',
'desc_tip' => true
),
'heading' => array(
'title' => __( 'Email Heading', 'woocommerce' ),
'type' => 'text',
'description' => sprintf( __( 'Defaults to %s
', 'woocommerce' ), $this->heading ),
'placeholder' => '',
'default' => '',
'desc_tip' => true
),
'email_type' => array(
'title' => __( 'Email type', 'woocommerce' ),
'type' => 'select',
'description' => __( 'Choose which format of email to send.', 'woocommerce' ),
'default' => 'html',
'class' => 'email_type wc-enhanced-select',
'options' => $this->get_email_type_options(),
'desc_tip' => true
)
);
}
/**
* Email type options.
* @return array
*/
public function get_email_type_options() {
$types = array( 'plain' => __( 'Plain text', 'woocommerce' ) );
if ( class_exists( 'DOMDocument' ) ) {
$types['html'] = __( 'HTML', 'woocommerce' );
$types['multipart'] = __( 'Multipart', 'woocommerce' );
}
return $types;
}
/**
* Admin Panel Options Processing.
*/
public function process_admin_options( $post_data = array() ) {
if ( empty( $post_data ) ) {
$post_data = $_POST;
}
// Save regular options
parent::process_admin_options( $post_data );
// Save templates
if ( isset( $_POST['template_html_code'] ) ) {
$this->save_template( $post_data['template_html_code'], $this->template_html );
}
if ( isset( $_POST['template_plain_code'] ) ) {
$this->save_template( $post_data['template_plain_code'], $this->template_plain );
}
}
/**
* Get template.
*
* @param string $type
* @return string
*/
public function get_template( $type ) {
$type = basename( $type );
if ( 'template_html' === $type ) {
return $this->template_html;
} elseif ( 'template_plain' === $type ) {
return $this->template_plain;
}
return '';
}
/**
* Save the email templates.
*
* @since 2.4.0
* @param string $template_code
* @param string $template_path
*/
protected function save_template( $template_code, $template_path ) {
if ( current_user_can( 'edit_themes' ) && ! empty( $template_code ) && ! empty( $template_path ) ) {
$saved = false;
$file = get_stylesheet_directory() . '/woocommerce/' . $template_path;
$code = stripslashes( $template_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_safe_redirect( $redirect );
exit;
}
}
}
/**
* 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 '
' . __( 'Template file copied to theme.', 'woocommerce' ) . '
' . __( 'Template file deleted from theme.', 'woocommerce' ) . '
%s.', 'woocommerce' ), trailingslashit( basename( get_stylesheet_directory() ) ) . $template_dir . '/' . $template ); ?>
%s to your theme folder: %s
.', 'woocommerce' ), plugin_basename( $template_file ) , trailingslashit( basename( get_stylesheet_directory() ) ) . $template_dir . '/' . $template ); ?>