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.model.Consult;
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 org.springframework.util.CollectionUtils;
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);
}
//排序
Integer sort = article.getSort();
List<Article> articleList = articleMapper.countSort(sort.intValue(), 1, null);
if (!CollectionUtils.isEmpty(articleList)) {
int i = 1;
for (Article oldArticle : articleList) {
int add = i + sort;
if (add > oldArticle.getSort()) {
//若已存在自增1
oldArticle.setSort(oldArticle.getSort() + 1);
articleMapper.update(oldArticle);
}
i++;
}
}
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);
}
//排序
Integer sort = article.getSort();
List<Article> articleList = articleMapper.countSort(sort.intValue(), 2, article.getId());
if (!CollectionUtils.isEmpty(articleList)) {
int i = 1;
for (Article oldArticle : articleList) {
int add = i + sort;
if (add > oldArticle.getSort()) {
//若已存在自增1
oldArticle.setSort(oldArticle.getSort() + 1);
articleMapper.update(oldArticle);
}
i++;
}
}
return articleMapper.update(article);
}
}