ArticleServiceImpl.java
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package com.sincere.student.service.impl;
import com.github.pagehelper.PageHelper;
import com.sincere.student.dto.ArticleSearchDto;
import com.sincere.student.mapper.ArticleMapper;
import com.sincere.student.model.Article;
import com.sincere.student.service.ArticleService;
import com.sincere.student.utils.Page;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
@Service
public class ArticleServiceImpl implements ArticleService {
@Autowired
ArticleMapper articleMapper;
@Override
public Page<Article> getList(ArticleSearchDto articleSearchDto) {
Page<Article> result = new Page<>(articleSearchDto.getPage(),articleSearchDto.getPageSize());
if(StringUtils.isNotBlank(articleSearchDto.getTitle())){
articleSearchDto.setTitle("%"+articleSearchDto.getTitle()+"%");
}
PageHelper.startPage(articleSearchDto.getPage(),articleSearchDto.getPageSize());
List<Article> list = articleMapper.getList(articleSearchDto) ;
for(Article article : list){
String[] urlList = article.getImageUrl().split(",");
article.setImageUrlList(Arrays.asList(urlList));
article.setImageCount(urlList.length);
}
List<Article> addAdvertList = new ArrayList<>();
for(int i = 0 ; i < list.size() ;i++){
addAdvertList.add(list.get(i));
if(i % 6 ==5){
try{
Article advert =articleMapper.getAdvert();
String[] urlList = advert.getImageUrl().split(",");
advert.setImageUrlList(Arrays.asList(urlList));
advert.setImageCount(urlList.length);
addAdvertList.add(advert);
}catch (Exception e){
}
}
}
result.setList(addAdvertList);
result.setCount(articleMapper.getListCount(articleSearchDto));
return result;
}
@Override
public Page<Article> getAdminList(ArticleSearchDto articleSearchDto) {
Page<Article> result = new Page<>(articleSearchDto.getPage(),articleSearchDto.getPageSize());
if(StringUtils.isNotBlank(articleSearchDto.getTitle())){
articleSearchDto.setTitle("%"+articleSearchDto.getTitle()+"%");
}
PageHelper.startPage(articleSearchDto.getPage(),articleSearchDto.getPageSize());
List<Article> list = articleMapper.getList(articleSearchDto) ;
for(Article article : list){
String[] urlList = article.getImageUrl().split(",");
article.setImageUrlList(Arrays.asList(urlList));
article.setImageCount(urlList.length);
}
result.setList(list);
result.setCount(articleMapper.getListCount(articleSearchDto));
return result;
}
@Override
public List<Article> getRelationList(int universityId) {
return articleMapper.getRelationList(universityId);
}
@Override
public Article selectById(int id) {
Article article = articleMapper.selectById(id);
String[] urlList = article.getImageUrl().split(",");
article.setImageUrlList(Arrays.asList(urlList));
article.setImageCount(urlList.length);
return article ;
}
@Override
public int create(Article article) {
if(article.getType() == 1){
article.setColumnType(0);
}
articleMapper.create(article);
return article.getId() ;
}
@Override
public int delete(int id) {
return articleMapper.delete(id);
}
@Override
public int update(Article article) {
if(article.getType() == 1){
article.setColumnType(0);
}
return articleMapper.update(article);
}
}