nextcloud-mail2deck/lib/CreateCardClass.php

<?php
namespace Mail2Deck;

class CreateCardClass{

    function extractBoardName($overview){
        $board = null;
        if(isset($overview->{'X-Original-To'}) && strstr($overview->{'X-Original-To'}, '+')) {
            $board = strstr(substr($overview->{'X-Original-To'}, strpos($overview->{'X-Original-To'}, '+') + 1), '@', true);
        } else if(strstr($overview->to[0]->mailbox, '+')) {
            $board = substr($overview->to[0]->mailbox, strpos($overview->to[0]->mailbox, '+') + 1);
        }

        if(strstr($board, '+')) $board = str_replace('+', ' ', $board);
        return $board;
    }

    function createMailData($overview, $data) {
        $data->title = DECODE_SPECIAL_CHARACTERS ? mb_decode_mimeheader($overview->subject) : $overview->subject;
        $data->type = "plain";
        $data->order = -time();
        return $data;
    }

    function fetchMailBody($inbox, $emailId) {
        $body = $inbox->fetchMessageBody($emailId, 1.2);
        if (!strlen($body) > 0) {
            $body = $inbox->fetchMessageBody($emailId, 1);
        }
        return $body;
    }

    function mailDescription ($body, $base64encode, $attachments) {
        $description = DECODE_SPECIAL_CHARACTERS ? quoted_printable_decode($body) : $body;
        if ($base64encode) {
            $description = base64_decode($description);
        }
        if ($description != strip_tags($description)) {
            $description = (new ConvertToMD($description))->execute();
        }

        $hasCid = preg_match('/!\[.*?\]\(cid:[^)]+\)/', $description);
        if (!empty($attachments)) {
            foreach ($attachments as $attachment) {
                $filePath = NC_SERVER .'/remote.php/dav/files/'.NC_ADMIN_USER.'/Deck/'.$attachment;
                if ($hasCid) {
                    $description = preg_replace('/!\[' . preg_quote($attachment, '/') . '\]\(cid:[^)]+\)/',"[$attachment]($filePath)", $description);
                }else{
                    $description .= "\n\n[$attachment]($filePath)";
                }
            }
        }

        return $description;
    }

    function cleanedSubject($subject, $description, $newcard) {
        if (strpos($subject, "RE: ") !== false || strpos($subject, "Fwd") !== false || strpos($subject, "FW:") !== false || strpos($subject, "Re:") !== false) {
            $cleanedSubject = preg_replace('/^(Re: |RE: |Fwd: |FW: )\s*/i', '', $subject);
        }else{
            $cleanedSubject = $newcard->findOriginalSubject(strip_tags($description));
        }
        return $cleanedSubject;
    }

    function createCard($newcard, $data, $mailSender, $cleanedSubject, $inbox){
        $existingCardId = $newcard->findCardBySubject($cleanedSubject);
        $mailSender->origin .= "{$mailSender->userId}@{$mailSender->host}";

        if (!$existingCardId) {
            $response = $newcard->addCard($data, $mailSender->origin, $mailSender->host);
            error_log("New card created with response: " . json_encode($response));

            if (MAIL_NOTIFICATION) {
                if (!$response) {
                    $inbox->reply($mailSender->origin,$mailSender->userId);
                }
                $inbox->reply($mailSender->origin,$mailSender->userId, $response);
            }
        }else{
            $cleanedDescription = $newcard->extractForwardedContent($data->description);
            $response = $newcard->addCommentToCard($existingCardId, $cleanedDescription);
            error_log("Comment added with response: " . json_encode($response));
        }
    }
}