defaults = array(
'emails' => array( get_option( 'admin_email' ) ),
'post_types' => array( 'post', 'page' ),
'drafts' => 0,
);
add_action( 'wp_insert_post', array( &$this, 'wp_insert_post' ), 10, 2 );
add_action( 'admin_menu', array( &$this, 'admin_menu' ) );
}
function get_post_types() {
$post_types = get_post_types();
if ( false !== $pos = array_search( 'revision', $post_types ) )
unset( $post_types[$pos] );
return $post_types;
}
function get_options( $just_defaults = false ) {
if ( $just_defaults )
return $this->defaults;
$options = (array) get_option( 'email_post_changes' );
return wp_parse_args( $options, $this->defaults );
}
// The meat of the plugin
function wp_insert_post( $post_id, $post ) {
$options = $this->get_options();
if ( !$options['drafts'] && 'draft' == $post->post_status )
return;
if ( 'revision' == $post->post_type ) { // Revision is saved first
if ( wp_is_post_autosave( $post ) )
return;
$this->left_post = $post;
} elseif ( !empty( $this->left_post ) && $this->left_post->post_parent == $post->ID ) { // Then new post
if ( !in_array( $post->post_type, $options['post_types'] ) )
return;
$this->right_post = $post;
}
if ( !$this->left_post || !$this->right_post )
return;
$html_diffs = array();
$text_diffs = array();
$identical = true;
foreach ( _wp_post_revision_fields() as $field => $field_title ) {
$left = apply_filters( "_wp_post_revision_field_$field", $this->left_post->$field, $field );
$right = apply_filters( "_wp_post_revision_field_$field", $this->right_post->$field, $field );
if ( !$diff = wp_text_diff( $left, $right ) )
continue;
$html_diffs[$field_title] = $diff;
$left = normalize_whitespace( $left );
$right = normalize_whitespace( $right );
$left_lines = split( "\n", $left );
$right_lines = split( "\n", $right );
require_once( dirname( __FILE__ ) . '/unified.php' );
$text_diff = new Text_Diff( $left_lines, $right_lines );
$renderer = new Text_Diff_Renderer_unified();
$text_diffs[$field_title] = $renderer->render($text_diff);
$identical = false;
}
if ( $identical )
return;
// Grab the meta data
$the_author = get_the_author_meta( 'display_name', $this->left_post->post_author ); // The revision
$the_title = get_the_title( $this->right_post->ID ); // New title (may be same as old title)
$right_date = new DateTime( $this->right_post->post_modified_gmt, new DateTimeZone( 'UTC' ) ); // Modified time
$the_date = $right_date->format( 'j F, Y \a\t G:i \U\T\C' );
$the_permalink = clean_url( get_permalink( $this->right_post->ID ) );
$the_edit_link = clean_url( get_edit_post_link( $this->right_post->ID ) );
$left_title = __( 'Revision' );
$right_title = sprintf( __( 'Current %s' ), $post_type = ucfirst( $this->right_post->post_type ) );
$head_sprintf = __( '%s made the following changes to the %s %s on %s' );
// HTML
$html_diff_head = '' . sprintf( __( '%s changed' ), $post_type ) . "
\n";
$html_diff_head .= '' . sprintf( $head_sprintf,
esc_html( $the_author ),
sprintf( _x( '“%s” [%s]', '1 = link, 2 = "edit"' ),
"" . esc_html( $the_title ) . '',
"" . __( 'edit' ) . ''
),
$this->right_post->post_type,
$the_date
) . "
\n\n";
$html_diff_head .= "\n";
$html_diff_head .= "| " . esc_html( $left_title ) . ' @ ' . esc_html( $this->left_post->post_date_gmt ) . " | \n";
$html_diff_head .= "" . esc_html( $right_title ) . ' @ ' . esc_html( $this->right_post->post_modified_gmt ) . " | \n";
$html_diff_head .= "
\n\n";
$html_diff = '';
foreach ( $html_diffs as $field_title => $diff ) {
$html_diff .= '' . esc_html( $field_title ) . "
\n";
$html_diff .= "$diff\n\n";
}
$html_diff = rtrim( $html_diff );
// Replace classes with inline style
$html_diff = str_replace( "class='diff'", 'style="width: 100%; border-collapse: collapse; border: none; white-space: pre-wrap; word-wrap: break-word; font-family: Consolas,Monaco,Courier,monospace;"', $html_diff );
$html_diff = preg_replace( '#]+/?>#i', '', $html_diff );
$html_diff = str_replace( "class='diff-deletedline'", 'style="padding: 5px; width: 50%; background-color: #fdd;"', $html_diff );
$html_diff = str_replace( "class='diff-addedline'", 'style="padding: 5px; width: 50%; background-color: #dfd;"', $html_diff );
$html_diff = str_replace( "class='diff-context'", 'style="padding: 5px; width: 50%;"', $html_diff );
$html_diff = str_replace( '', ' | ', $html_diff );
$html_diff = str_replace( '', '', $html_diff );
$html_diff = str_replace( '', '', $html_diff );
$html_diff = str_replace( array( ' | ', '', '' ), array( "\n", "\n", "\n" ), $html_diff );
$html_diff = $html_diff_head . $html_diff;
// Refactor some of the meta data for TEXT
$length = max( strlen( $left_title ), strlen( $right_title ) );
$left_title = str_pad( $left_title, $length + 2 );
$right_title = str_pad( $right_title, $length + 2 );
// TEXT
$text_diff = sprintf( $head_sprintf, $the_author, '"' . $the_title . '"', $this->right_post->post_type, $the_date ) . "\n";
$text_diff .= "URL: $the_permalink\n";
$text_diff .= "Edit: $the_edit_link\n\n";
foreach ( $text_diffs as $field_title => $diff ) {
$text_diff .= "$field_title\n";
$text_diff .= "===================================================================\n";
$text_diff .= "--- $left_title ({$this->left_post->post_date_gmt})\n";
$text_diff .= "+++ $right_title ({$this->right_post->post_modified_gmt})\n";
$text_diff .= "$diff\n\n";
}
$this->text_diff = $text_diff = rtrim( $text_diff );
// Send email
$charset = apply_filters( 'wp_mail_charset', get_option( 'blog_charset' ) );
$blogname = html_entity_decode( get_option( 'blogname' ), ENT_QUOTES, $charset );
$title = html_entity_decode( $the_title, ENT_QUOTES, $charset );
add_action( 'phpmailer_init', array( &$this, 'phpmailer_init_once' ) );
wp_mail(
null, // see hack in ::phpmailer_init_once()
sprintf( __( '[%s] %s changed: %s' ), $blogname, $post_type, $title ),
$html_diff
);
}
/* Email hook */
function phpmailer_init_once( &$phpmailer ) {
remove_action( 'phpmailer_init', array( &$this, 'phpmailer_init_once' ) );
$phpmailer->AltBody = $this->text_diff;
$phpmailer->to = array(); // Hack
$options = $this->get_options();
foreach ( $options['emails'] as $email )
$phpmailer->AddAddress( $email );
$phpmailer->AddReplyTo(
get_the_author_meta( 'email', $this->right_post->post_author ),
get_the_author_meta( 'display_name', $this->right_post->post_author )
);
}
/* Admin */
function admin_menu() {
register_setting( self::OPTION_GROUP, self::OPTION, array( &$this, 'validate_options' ) );
add_settings_section( self::ADMIN_PAGE, __( 'Email Post Changes' ), array( &$this, 'settings_section' ), self::ADMIN_PAGE );
add_settings_field( self::ADMIN_PAGE . '_emails', __( 'Email Addresses' ), array( &$this, 'emails_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
add_settings_field( self::ADMIN_PAGE . '_post_types', __( 'Post Types' ), array( &$this, 'post_types_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
add_settings_field( self::ADMIN_PAGE . '_drafts', __( 'Drafts' ), array( &$this, 'drafts_setting' ), self::ADMIN_PAGE, self::ADMIN_PAGE );
add_options_page( __( 'Email Post Changes' ), __( 'Email Post Changes' ), 'manage_options', self::ADMIN_PAGE, array( &$this, 'admin_page' ) );
add_filter( 'plugin_action_links_' . plugin_basename( __FILE__ ), array( &$this, 'plugin_action_links' ) );
}
function validate_options( $options ) {
if ( !$options || !is_array( $options ) )
return $this->defaults;
$return = array();
if ( empty( $options['emails'] ) ) {
$return['emails'] = $this->defaults['emails'];
} else {
if ( is_string( $options['emails'] ) )
$_emails = preg_split( '(\n|\r)', $options['emails'], -1, PREG_SPLIT_NO_EMPTY );
$_emails = array_unique( (array) $_emails );
$emails = array_filter( $_emails, 'is_email' );
if ( $diff = array_diff( $_emails, $emails ) )
$return['invalid_emails'] = $diff;
$return['emails'] = $emails ? $emails : $this->defaults['emails'];
}
if ( empty( $options['post_types'] ) || !is_array( $options ) ) {
$return['post_types'] = $this->defaults['post_types'];
} else {
$post_types = array_intersect( $options['post_types'], $this->get_post_types() );
$return['post_types'] = $post_types ? $post_types : $this->defaults['post_types'];
}
$return['drafts'] = ( empty( $options['drafts'] ) ) ? 0 : 1;
return $return;
}
function admin_page() {
$options = $this->get_options();
?>
' . join( ', ', array_map( 'esc_html', $options['invalid_emails'] ) ) ); ?>
get_options();
?>
admin email address." ),
clean_url( get_bloginfo( 'wpurl' ) . '/wp-admin/options-general.php#admin_email' )
); ?>
get_options();
?>
get_options();
?>
' . __( 'Settings' ) . "" );
return $links;
}
}