sourcecode/server/gateway-api/src/main/java/com/qxgmat/service/inline/FaqService.java

package com.qxgmat.service.inline;

import com.github.pagehelper.Page;
import com.nuliji.tools.AbstractService;
import com.nuliji.tools.exception.ParameterException;
import com.nuliji.tools.exception.SystemException;
import com.nuliji.tools.mybatis.Example;
import com.qxgmat.data.constants.enums.module.InsideModule;
import com.qxgmat.data.dao.FaqMapper;
import com.qxgmat.data.dao.entity.Faq;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.Collection;
import java.util.List;

@Service
public class FaqService extends AbstractService {
    private static final Logger logger = LoggerFactory.getLogger(FaqService.class);

    @Resource
    private FaqMapper faqMapper;

    public Page<Faq> listAdmin(int page, int size, Boolean user, String channel, String position, Integer answerStatus, Boolean isSpecial){
        Example example = new Example(Faq.class);
        if (user != null){
            example.and(user ? example.createCriteria().andGreaterThan("userId", 0):
                        example.createCriteria().andEqualTo("user", 0)
                    );
        }
        if (channel != null){
            example.and(
                    example.createCriteria().andEqualTo("channel", channel)
            );
            if (position != null){
                example.and(
                        example.createCriteria().andEqualTo("position", position)
                );
            }
        }
        if (answerStatus != null){
            example.and(
                    example.createCriteria().andEqualTo("answerStatus", answerStatus)
            );
        }
        if(isSpecial != null){
            example.and(
                    example.createCriteria().andEqualTo("isSpecial", isSpecial ? 1 : 0)
            );
        }

        return select(faqMapper, example, page, size);
    }

    public Page<Faq> list(int page, int size, String channel, String position){
        Example example = new Example(Faq.class);

        if (channel != null){
            example.and(
                    example.createCriteria().andEqualTo("channel", channel)
            );
            if (position != null){
                example.and(
                        example.createCriteria().andEqualTo("position", position)
                );
            }
        }
        example.and(
                example.createCriteria()
                        .orEqualTo("isShow", 1)
        );
        return select(faqMapper, example, page, size);
    }

    public Faq add(Faq faq){
        int result = insert(faqMapper, faq);
        faq = one(faqMapper, faq.getId());
        if(faq == null){
            throw new SystemException("faq添加失败");
        }
        return faq;
    }

    public Faq edit(Faq faq){
        Faq in = one(faqMapper, faq.getId());
        if(in == null){
            throw new ParameterException("faq不存在");
        }
        int result = update(faqMapper, faq);
        return faq;
    }

    public boolean delete(Number id){
        Faq in = one(faqMapper, id);
        if(in == null){
            throw new ParameterException("faq不存在");
        }
        int result = delete(faqMapper, id);
        return result > 0;
    }

    public Faq get(Number id){
        Faq in = one(faqMapper, id);

        if(in == null){
            throw new ParameterException("faq不存在");
        }
        return in;
    }

    public Page<Faq> select(int page, int pageSize){
        return select(faqMapper, page, pageSize);
    }

    public Page<Faq> select(Integer[] ids){
        return page(()->select(faqMapper, ids), 1, ids.length);
    }

    public List<Faq> select(Collection ids){
        return select(faqMapper, ids);
    }

}