package com.tcm.training.admin.app.search.service;
|
|
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
|
import com.tcm.training.admin.app.search.vo.AppSearchHealthCourseVO;
|
import com.tcm.training.admin.app.search.vo.AppSearchHealthPopularizationVO;
|
import com.tcm.training.admin.app.search.vo.AppSearchResultVO;
|
import com.tcm.training.admin.live.entity.HealthPopularization;
|
import com.tcm.training.admin.live.mapper.HealthCourseMapper;
|
import com.tcm.training.admin.live.mapper.HealthPopularizationMapper;
|
import com.tcm.training.admin.live.vo.HealthCourseListRow;
|
import org.springframework.stereotype.Service;
|
|
import java.math.BigDecimal;
|
import java.util.ArrayList;
|
import java.util.Collections;
|
import java.util.List;
|
|
/**
|
* APP 首页搜索聚合服务。
|
*/
|
@Service
|
public class AppSearchService {
|
|
private static final int STATUS_ENABLED = 1;
|
|
private final HealthCourseMapper healthCourseMapper;
|
private final HealthPopularizationMapper healthPopularizationMapper;
|
|
/**
|
* 注入 APP 搜索所需依赖。
|
*/
|
public AppSearchService(HealthCourseMapper healthCourseMapper,
|
HealthPopularizationMapper healthPopularizationMapper) {
|
this.healthCourseMapper = healthCourseMapper;
|
this.healthPopularizationMapper = healthPopularizationMapper;
|
}
|
|
/**
|
* 按关键词聚合搜索养生课程与健康科普。
|
*/
|
public AppSearchResultVO search(String keyword) {
|
String normalizedKeyword = trimToNull(keyword);
|
AppSearchResultVO resultVO = new AppSearchResultVO();
|
if (normalizedKeyword == null) {
|
resultVO.setCourses(Collections.<AppSearchHealthCourseVO>emptyList());
|
resultVO.setPopularizations(Collections.<AppSearchHealthPopularizationVO>emptyList());
|
return resultVO;
|
}
|
resultVO.setCourses(toCourseList(healthCourseMapper.selectAppSearchCourses(normalizedKeyword)));
|
resultVO.setPopularizations(toPopularizationList(listPopularizations(normalizedKeyword)));
|
return resultVO;
|
}
|
|
/**
|
* 查询命中的健康科普内容。
|
*/
|
private List<HealthPopularization> listPopularizations(String keyword) {
|
List<HealthPopularization> list = healthPopularizationMapper.selectList(new LambdaQueryWrapper<HealthPopularization>()
|
.eq(HealthPopularization::getDeleted, 0)
|
.eq(HealthPopularization::getStatus, STATUS_ENABLED)
|
.and(wrapper -> wrapper
|
.like(HealthPopularization::getTitle, keyword)
|
.or()
|
.like(HealthPopularization::getContent, keyword)
|
.or()
|
.like(HealthPopularization::getCreatedBy, keyword))
|
.orderByAsc(HealthPopularization::getSort)
|
.orderByDesc(HealthPopularization::getId));
|
return list == null ? Collections.<HealthPopularization>emptyList() : list;
|
}
|
|
/**
|
* 将课程搜索结果转换为 APP 搜索页卡片响应。
|
*/
|
private List<AppSearchHealthCourseVO> toCourseList(List<HealthCourseListRow> rows) {
|
if (rows == null || rows.isEmpty()) {
|
return Collections.emptyList();
|
}
|
List<AppSearchHealthCourseVO> result = new ArrayList<AppSearchHealthCourseVO>(rows.size());
|
for (HealthCourseListRow row : rows) {
|
AppSearchHealthCourseVO courseVO = new AppSearchHealthCourseVO();
|
courseVO.setId(row.getId());
|
courseVO.setTitle(trimToEmpty(row.getTitle()));
|
courseVO.setCoverImage(trimToEmpty(row.getCoverImg()));
|
courseVO.setLevelName(trimToEmpty(row.getLevelName()));
|
courseVO.setDifficultyName(trimToEmpty(row.getDifficultyName()));
|
courseVO.setSalePrice(defaultPrice(row.getSalePrice()));
|
courseVO.setLearnUserCount(defaultNumber(row.getLearnUserCount()));
|
courseVO.setStudyingCount(defaultNumber(row.getStudyingCount()));
|
result.add(courseVO);
|
}
|
return result;
|
}
|
|
/**
|
* 将健康科普搜索结果转换为 APP 搜索页卡片响应。
|
*/
|
private List<AppSearchHealthPopularizationVO> toPopularizationList(List<HealthPopularization> items) {
|
if (items == null || items.isEmpty()) {
|
return Collections.emptyList();
|
}
|
List<AppSearchHealthPopularizationVO> result =
|
new ArrayList<AppSearchHealthPopularizationVO>(items.size());
|
for (HealthPopularization item : items) {
|
AppSearchHealthPopularizationVO popularizationVO = new AppSearchHealthPopularizationVO();
|
popularizationVO.setId(item.getId());
|
popularizationVO.setTitle(trimToEmpty(item.getTitle()));
|
popularizationVO.setCoverImage(trimToEmpty(item.getCoverImg()));
|
popularizationVO.setContentType(item.getContentType());
|
result.add(popularizationVO);
|
}
|
return result;
|
}
|
|
/**
|
* 兜底空价格字段。
|
*/
|
private BigDecimal defaultPrice(BigDecimal value) {
|
return value == null ? BigDecimal.ZERO : value;
|
}
|
|
/**
|
* 兜底空数字字段。
|
*/
|
private Integer defaultNumber(Integer value) {
|
return value == null ? 0 : value;
|
}
|
|
/**
|
* 将可空文本转换为空字符串。
|
*/
|
private String trimToEmpty(String value) {
|
if (value == null) {
|
return "";
|
}
|
String trimmed = value.trim();
|
return trimmed.isEmpty() ? "" : trimmed;
|
}
|
|
/**
|
* 将可空关键字转换为可搜索文本。
|
*/
|
private String trimToNull(String value) {
|
if (value == null) {
|
return null;
|
}
|
String trimmed = value.trim();
|
return trimmed.isEmpty() ? null : trimmed;
|
}
|
}
|
