<?php

namespace app\master\service\push;

use app\master\service\XmlBuilder;

/**
 * Scopus (Elsevier) 推送器
 * 为每篇文章生成 XML，连同 PDF 通过 SFTP 上传到 Elsevier。
 * 逻辑迁移自 Datebase::scopusPushXML，SFTP 复用 common.php 的 pushSFTPForScopus。
 */
class ScopusPusher extends AbstractPusher
{
    public function code()
    {
        return 'scopus';
    }

    public function label()
    {
        return 'Scopus (Elsevier)';
    }

    public function pushStage($stage_id, array $options = [])
    {
        $list = $this->article_obj->where("journal_stage_id", $stage_id)->where("state", 0)->select();
        $stage_info = $this->journal_stage_obj->where("journal_stage_id", $stage_id)->find();
        $count = 0;
        foreach ($list as $v) {
            XmlBuilder::forArticle($v['article_id']);
            $file = substr($v['doi'], strpos($v['doi'], "/") + 1) . ".xml";
            pushSFTPForScopus($file, $v['file_pdf'], $stage_info);
            $count++;
        }
        return PushResult::success("Scopus 已上传 {$count} 篇文章的 XML/PDF");
    }
}