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f5984da90d
Some Trac installs like BuddyPress have an extra space after the separator which breaks parsing the mail. See #3526. git-svn-id: https://meta.svn.wordpress.org/sites/trunk@7111 74240141-8908-4e6f-9713-ba540dce6ec7
262 lines
8 KiB
PHP
262 lines
8 KiB
PHP
<?php
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namespace Dotorg\Slack\Trac;
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class Comment_Handler {
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function __construct( \Dotorg\Slack\Send $send, array $email_message ) {
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$this->send = $send;
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$this->lines = $email_message;
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}
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function run() {
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$this->process_message();
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// Don't post auto-comments for commits.
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if ( false !== strpos( $this->comment, '#!CommitTicketReference' ) ) {
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return;
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}
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$this->generate_payload();
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$firehose = $this->trac->get_firehose_channel();
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// We still want to process this payload even if no firehose channel
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// is specified, as we may use it to process mentions and such.
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if ( $firehose ) {
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$this->send->send( $firehose );
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}
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}
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function process_message() {
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$lines = array_map( 'rtrim', $this->lines );
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$base64 = false;
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$subject = '';
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$multipart = false;
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// Trim off headers.
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while ( $lines && '' !== current( $lines ) ) {
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$line = array_shift( $lines );
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if ( 0 === strpos( $line, 'X-Trac-Ticket-URL:' ) ) {
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$comment_id = 0;
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list( , $comment_url ) = explode( ': ', $line );
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// Get ticket URL, attachment notifcations have no specific URL.
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if ( false !== strpos( $line, '#comment:' ) ) {
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// X-Trac-Ticket-URL: https://core.trac.wordpress.org/ticket/12345#comment:1
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list( $ticket_url, $comment_id ) = explode( '#comment:', $comment_url );
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} else {
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// X-Trac-Ticket-URL: https://core.trac.wordpress.org/ticket/12345
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$ticket_url = $comment_url;
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}
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list( $trac_url, $ticket_id ) = explode( '/ticket/', $ticket_url );
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$trac = Trac::get( $trac_url );
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if ( ! $trac ) {
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return false;
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}
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} elseif ( 0 === strpos( $line, 'Content-Transfer-Encoding: base64' ) ) {
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$base64 = true;
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} elseif ( 0 === strpos( $line, 'Content-Type: multipart/' ) ) {
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$multipart = true;
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$content_type = $line;
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$content_type_lines = $lines;
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while ( $content_type_lines && ! preg_match( '/(^[\x21-\x7E][^:]+):/', current( $content_type_lines ) ) ) {
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$content_type .= array_shift( $content_type_lines );
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}
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unset( $content_type_lines );
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if ( preg_match('/boundary="?([a-zA-Z0-9\'()+_,-.\/:=?]+)"?/', $content_type, $matches ) ) {
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$boundary = $matches[1];
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}
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} elseif ( 0 === strpos( $line, 'Subject:' ) ) {
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$subject = str_replace( 'Subject: ', '', $line );
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$subject_lines = $lines;
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while ( $subject_lines && ! preg_match( '/(^[\x21-\x7E][^:]+):/', current( $subject_lines ) ) ) {
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$subject .= array_shift( $subject_lines );
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}
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unset( $subject_lines );
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}
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}
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if ( $base64 ) {
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$lines = explode( "\n", base64_decode( implode( "\n", $lines ) ) );
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}
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// Remove empty line between headers and body if not base64.
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if ( ! $base64 ) {
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array_shift( $lines );
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}
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// Get the email body if multipart.
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if ( $multipart && $boundary ) {
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// Split content by boundary.
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$body = implode( "\n", $lines );
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$body_parts = explode( '--' . $boundary, $body );
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array_shift( $body_parts ); // Remove empty line.
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array_pop( $body_parts ); // Remove --.
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// Assume that there's only one part and the first part is what we need.
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$lines = explode( "\n", trim( $body_parts[0] ) );
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$base64 = false;
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// Trim off headers.
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while ( $lines && '' !== current( $lines ) ) {
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$line = array_shift( $lines );#
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if ( 0 === strpos( $line, 'Content-Transfer-Encoding: base64' ) ) {
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$base64 = true;
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}
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}
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if ( $base64 ) {
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$lines = explode( "\n", base64_decode( implode( "\n", $lines ) ) );
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}
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// Remove empty line between headers and body if not base64.
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if ( ! $base64 ) {
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array_shift( $lines );
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}
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}
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$title = '';
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while ( $lines && 0 !== strpos( current( $lines ), '------' ) ) {
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if ( '' !== $title ) {
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$last = substr( $title, -1 );
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if ( $last !== '-' && $last !== '_' ) {
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$title .= ' ';
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}
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}
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$title .= array_shift( $lines );
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}
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$title = substr( $title, strpos( $title, ': ' ) + 2 );
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// Remove up to top of ticket properties table.
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while ( $lines && 0 !== strpos( current( $lines ), '------' ) ) {
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array_shift( $lines );
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}
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// Remove top border of table.
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array_shift( $lines );
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// Remove ticket properties table.
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while ( $lines && 0 !== strpos( current( $lines ), '------' ) ) {
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array_shift( $lines );
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}
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// Remove bottom border of table.
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array_shift( $lines );
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// Remove empty line if present. (It is when it's a comment without changes.)
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if ( current( $lines ) === '' ) {
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array_shift( $lines );
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}
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// Remove Trac email footer.
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while ( $lines && trim( end( $lines ) ) !== '--' ) {
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array_pop( $lines );
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}
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// Remove -- which starts footer.
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array_pop( $lines );
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// Remove empty line before footer.
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array_pop( $lines );
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preg_match( '/^(Comment|Changes|Description changed) \(?by (.*[^\)])\)?:$/', array_shift( $lines ), $matches );
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$has_changes = ( isset( $matches[1] ) && 'Changes' === $matches[1] );
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$author = isset( $matches[2] ) ? $matches[2] : '';
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// Remove blank line after 'Comment|Changes (by author):' or 'Description changed by author:'.
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array_shift( $lines );
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$changes = $comment = array();
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// Check if the summary of a ticket was changed.
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if ( preg_match( '/ \(was: (.*)\)$/', $subject, $matches ) ) {
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$changes[] = '_*summary:*_ ' . $matches[1] . ' => ' . $title;
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}
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if ( $has_changes ) {
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while ( $lines && '' !== current( $lines ) ) {
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$line = array_shift( $lines );
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if ( preg_match( '~Attachment "([^"]+)" (added|removed)\.$~', $line, $matches ) ) { // * Attachment "test.txt" added/removed.
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$changes[] = "_*attachment:*_ `{$matches[1]}` {$matches[2]}";
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} else { // * status: assigned => closed
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$changes[] = preg_replace( '~^ \* (.*?): ~', '_*$1:*_ ', $line );
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}
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}
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}
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// Remove blank lines (should be two if it had changes).
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while ( $lines && '' === current( $lines ) ) {
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array_shift( $lines );
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}
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// Next line should start with 'Comment' if there is one.
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if ( $has_changes && 0 === strpos( current( $lines ), 'Comment' ) ) {
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array_shift( $lines ); // Remove 'Comment'
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array_shift( $lines ); // Remove blank line
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}
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// Everything left is the comment. Remove leading space.
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$comment = implode( "\n", array_map( 'ltrim', $lines ) );
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$this->trac = $trac;
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$this->title = $title;
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$this->author = $author;
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$this->comment = $comment;
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$this->changes = $changes;
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$this->ticket_id = $ticket_id;
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$this->ticket_url = $ticket_url;
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$this->comment_id = $comment_id;
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$this->comment_url = $comment_url;
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}
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function format_comment_for_slack() {
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// Link 'Replying to [comment:1 user]:'
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$ticket_url = $this->ticket_url;
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$comment = preg_replace_callback( '/Replying to \[comment:(\d+) (.*)\]/m',
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function ( $matches ) use ( $ticket_url ) {
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$comment_url = $ticket_url . '#comment:' . $matches[1];
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$text = 'Replying to ' . $matches[2];
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return "<$comment_url|$text>";
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}, $this->comment );
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$comment = Trac::format_for_slack( $comment );
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return $comment;
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}
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function generate_payload() {
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$this->send->set_icon( $this->trac->get_icon() );
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$this->send->set_username( $this->trac->get_ticket_username() );
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$comment = $this->format_comment_for_slack();
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$main_attachment = $this->changes ? implode( "\n", $this->changes ) : $comment;
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$author = $this->author ? $this->author : 'Someone';
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$pretext = sprintf( '*%s updated <%s|#%s %s>*', $author, $this->comment_url, $this->ticket_id, htmlspecialchars( $this->title, ENT_NOQUOTES ) );
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$fallback = trim( $pretext, '*' ) . "\n" . $main_attachment;
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$attachment = array(
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'pretext' => $pretext,
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'fallback' => $fallback,
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'text' => $main_attachment,
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'mrkdwn_in' => array( 'pretext', 'fallback', 'text' ),
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);
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// Ensure the comment uses a darker gray color, even when alone.
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if ( ! $this->changes ) {
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$attachment['color'] = '#999';
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}
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$this->send->add_attachment( $attachment );
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// If we have both changes and a comment, append the comment.
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if ( $this->changes && $comment ) {
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$this->send->add_attachment( array(
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'fallback' => $comment,
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'text' => $comment,
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'mrkdwn_in' => array( 'fallback', 'text' ),
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'color' => '#999',
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) );
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}
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}
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}
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