/**
* 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')) {
// Get CSS styles
ob_start();
bp_email_get_template('email-styles.php');
$css = apply_filters('welcome_buddy_styles', ob_get_clean());
// Apply CSS styles inline for picky email clients.
$emogrifier = new Emogrifier($content, $css);
$content = $emogrifier->emogrify();
}
return $content;
}
/**
* Set the Post object containing the email content template.
*
* Also sets the email's subject, content, and template from the Post, for convenience.
*
* @since 2.5.0
*
* @param WP_Post $post
* @return BP_Email
*/
public function set_post_object(WP_Post $post)
{
/**
* Filters the new value of the email's "post object" property.
*
* @since 2.5.0
*
* @param WP_Post $post A Post.
* @param BP_Email $this Current instance of the email type class.
*/
$this->post_object = apply_filters('bp_email_set_post_object', $post, $this);
if (is_a($this->post_object, 'WP_Post')) {
$this->set_subject($this->post_object->post_title)->set_content_html($this->post_object->post_content)->set_content_plaintext($this->post_object->post_excerpt);
ob_start();
// Load the template.
add_filter('bp_locate_template_and_load', '__return_true');
bp_locate_template(bp_email_get_template($this->post_object), true, false);
remove_filter('bp_locate_template_and_load', '__return_true');
$this->set_template(ob_get_contents());
ob_end_clean();
}
return $this;
}
/**
* Get the email footer.
*
* @since 1.0.0
* @access public
*/
public function email_footer()
{
bp_email_get_template('email-footer.php');
}
/**
* Prepair the content for a plain email.
*
* @access public
* @return string
*/
public function get_content_plain()
{
ob_start();
bp_email_get_template($this->template_plain, array('email_heading' => $this->get_heading(), 'user_name' => $this->user_name, 'user_login' => $this->user_login, 'user_pass' => $this->user_pass, 'blogname' => $this->get_blogname(), 'sent_to_admin' => false, 'plain_text' => true));
return ob_get_clean();
}
/**
* Find and render the template for Email posts (the Customizer and admin previews).
*
* Misuses the `template_include` filter which expects a string, but as we need to replace
* the `{{{content}}}` token with the post's content, we use object buffering to load the
* template, replace the token, and render it.
*
* The function returns an empty string to prevent WordPress rendering another template.
*
* @since 2.5.0
*
* @param string $template Path to template (probably single.php).
* @return string
*/
function bp_core_render_email_template($template)
{
if (get_post_type() !== bp_get_email_post_type() || !is_single()) {
return $template;
}
/**
* Filter template used to display Email posts.
*
* @since 2.5.0
*
* @param string $template Path to current template (probably single.php).
*/
$email_template = apply_filters('bp_core_render_email_template', bp_locate_template(bp_email_get_template(get_queried_object()), false), $template);
if (!$email_template) {
return $template;
}
ob_start();
include $email_template;
$template = ob_get_contents();
ob_end_clean();
// Make sure we add a <title> tag so WP Customizer picks it up.
$template = str_replace('<head>', '<head><title>' . esc_html_x('BuddyPress Emails', 'screen heading', 'buddypress') . '</title>', $template);
echo str_replace('{{{content}}}', nl2br(get_post()->post_content), $template);
/*
* Link colours are applied directly in the email template before sending, so we
* need to add an extra style here to set the colour for the Customizer or preview.
*/
$settings = bp_email_get_appearance_settings();
printf('<style>a { color: %s; }</style>', esc_attr($settings['highlight_color']));
return '';
}