package com.ibeetl.admin.core.util.beetl;

import java.util.Collections;
import java.util.List;

import org.apache.commons.lang3.StringUtils;
import org.beetl.core.Context;
import org.beetl.core.Function;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import com.ibeetl.admin.core.file.FileItem;
import com.ibeetl.admin.core.file.FileService;

@Component
public class FileFunction implements Function {

  @Autowired FileService fileService;

  @Override
  public List<FileItem> call(Object[] paras, Context arg1) {
    String attachmentId = (String) paras[0];
    if (StringUtils.isEmpty(attachmentId)) {
      return Collections.EMPTY_LIST;
    }
    return fileService.queryByBatchId(attachmentId);
  }
}
