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优化线上课列表

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2023-03-18 21:08:29 +08:00
parent 0689c0d428
commit 17d18da19b
6 changed files with 167 additions and 62 deletions
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51
src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java
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@@ -1,8 +1,5 @@
package xyz.playedu.api.service.impl;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
@@ -18,7 +15,6 @@ import xyz.playedu.api.service.internal.ResourceCourseCategoryService;
import xyz.playedu.api.types.mapper.CourseCategoryCountMapper;
import xyz.playedu.api.types.paginate.CoursePaginateFiler;
import xyz.playedu.api.types.paginate.PaginationResult;
import xyz.playedu.api.util.HelperUtil;
import java.util.*;
import java.util.stream.Collectors;
@@ -39,51 +35,12 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
@Override
public PaginationResult<Course> paginate(int page, int size, CoursePaginateFiler filter) {
QueryWrapper<Course> wrapper = query().getWrapper().eq("1", "1");
if (filter.getTitle() != null && filter.getTitle().length() > 0) {
wrapper.like("title", "%" + filter.getTitle() + "%");
}
if (filter.getDepIds() != null && filter.getDepIds().trim().length() > 0) {
List<Integer> depIds = Arrays.stream(filter.getDepIds().split(",")).map(Integer::valueOf).toList();
List<Integer> courseIds = courseDepartmentService.getCourseIdsByDepIds(depIds);
if (courseIds == null || courseIds.size() == 0) {
courseIds = HelperUtil.zeroIntegerList();
}
wrapper.in("id", courseIds);
}
if (filter.getCategoryIds() != null && filter.getCategoryIds().trim().length() > 0) {
List<Integer> categoryIds = Arrays.stream(filter.getCategoryIds().split(",")).map(Integer::valueOf).toList();
List<Integer> courseIds = courseCategoryService.getCourseIdsByCategoryIds(categoryIds);
if (courseIds == null || courseIds.size() == 0) {
courseIds = HelperUtil.zeroIntegerList();
}
wrapper.in("id", courseIds);
}
if (filter.getIsShow() != null) {
wrapper.eq("is_show", filter.getIsShow());
}
String sortFiled = filter.getSortField();
if (sortFiled == null || sortFiled.trim().length() == 0) {
sortFiled = "id";
}
String sortAlgo = filter.getSortAlgo();
if (sortAlgo == null || sortAlgo.trim().length() == 0) {
sortAlgo = "desc";
}
if ("desc".equals(sortAlgo)) {
wrapper.orderByDesc(sortFiled);
} else {
wrapper.orderByAsc(sortFiled);
}
IPage<Course> pageObj = new Page<>(page, size);
pageObj = page(pageObj, wrapper);
filter.setPageStart((page - 1) * size);
filter.setPageSize(size);
PaginationResult<Course> pageResult = new PaginationResult<>();
pageResult.setData(pageObj.getRecords());
pageResult.setTotal(pageObj.getTotal());
pageResult.setData(getBaseMapper().paginate(filter));
pageResult.setTotal(getBaseMapper().paginateCount(filter));
return pageResult;
}