snd-escloud/src/main/java/platform/modules/government/service/LogoService.java

package platform.modules.government.service;

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import platform.common.Constant;
import platform.common.base.service.BaseService;
import platform.modules.government.dao.AttachmentDao;
import platform.modules.government.dao.LogoDao;
import platform.modules.government.entity.Attachment;
import platform.modules.government.entity.FileDown;
import platform.modules.government.entity.Logo;
import tk.mybatis.mapper.entity.Example;

import java.util.List;

/**
 * 首页logService
 *
 * @author lhf
 * @version 2017-10-26
 */
@Service
@Transactional
public class LogoService extends BaseService<Logo> {
    @Autowired
    LogoDao logoDao;

    @Autowired
    private AttachmentDao attachmentDao;

    @Autowired
    private AttachmentService attachmentService;

    @Transactional(readOnly = true)
    public PageInfo<Logo> findPage(Integer pageNum, Integer pageSize) throws Exception {
        Example example = new Example(Logo.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andEqualTo("del_flag", 0);
        // 倒序
        example.orderBy("is_start").desc();
        example.orderBy("create_time").desc();
        PageHelper.startPage(pageNum, pageSize);
        List<Logo> Logo = this.selectByExample(example);
        for (Logo logo : Logo) {
            List<Attachment> attachments = attachmentService.selectByIdAndBusinessId(Constant.Attachment.LOGO, logo.getId(), null);
            if (null != attachments && attachments.size() > 0) {
                FileDown fileDown = new FileDown(attachments.get(0).getId(), attachments.get(0).getFile_name(), attachments.get(0).getFile_url(),attachments.get(0).getDownload_uri());
                logo.setFileDown(fileDown);
            }
        }

        return new PageInfo<Logo>(Logo);
    }

    public Logo findLogo() {
        Example example = new Example(Logo.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andEqualTo("del_flag", 0);
        criteria.andEqualTo("is_start", 1);
        example.orderBy("create_time").desc();
        List<Logo> logo = this.selectByExample(example);
        if (null != logo) {
            Logo lo = logo.get(0);
            List<Attachment> attachments = attachmentService.selectByIdAndBusinessId(Constant.Attachment.LOGO, lo.getId(), null);
            if (null != attachments && attachments.size() > 0) {
                FileDown fileDown = new FileDown(attachments.get(0).getId(), attachments.get(0).getFile_name(), attachments.get(0).getFile_url(),attachments.get(0).getDownload_uri());
                lo.setFileDown(fileDown);
            }
            return lo;
        }
        return null;
    }

    public Boolean saveLogo(Logo logo) throws Exception {
        if (this.insertAndGetId(logo) > 0) {
            //更新其他logo
            if(null!=logo.getIs_start()&&logo.getIs_start()){
                logoDao.updateOtherLogo(logo.getId());
            }
            attachmentDao.deleteByBusiness(Constant.Attachment.LOGO, logo.getId());
            attachmentDao.updateAttachment(Constant.Attachment.LOGO, logo.getId(), logo.getFileDown().getFile_id());

            return true;
        }
        return false;
    }


    public Boolean updateLogo(Logo logo) throws Exception {
        if (this.updateSelective(logo) == 1) {
            //更新其他logo
            if(null!=logo.getIs_start()&&logo.getIs_start()){
                logoDao.updateOtherLogo(logo.getId());
            }
            if(null!=logo.getFileDown().getFile_id()) {
                attachmentDao.deleteByBusiness(Constant.Attachment.LOGO, logo.getId());
                attachmentDao.updateAttachment(Constant.Attachment.LOGO, logo.getId(), logo.getFileDown().getFile_id());
            }
            return true;
        }
        return false;
    }

    public Boolean deleteLogoByIds(String ids) throws Exception {
        if (this.deleteByIds(ids) == 1) {
            return true;
        }
        return false;
    }

    public int findStartLogo() {
        Example example = new Example(Logo.class);
        Example.Criteria criteria = example.createCriteria();
        criteria.andEqualTo("del_flag", 0);
        criteria.andEqualTo("is_start", 1);
        List<Logo> Logo = this.selectByExample(example);
        return Logo == null ? 0 : Logo.size();
    }

    public void updateOtherLogo(Integer id) throws Exception {
        logoDao.updateOtherLogo(id);
    }
    public Integer  countLogo(Integer id) throws Exception {
       return logoDao.countLogo(id);
    }
}