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feat: 🎸 课程列表接口，参数查询逻辑补齐

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This commit is contained in:
GoCo 2025-08-18 11:49:27 +08:00
parent d2b61c6d95
commit 4c160a7bb3
2 changed files with 71 additions and 4 deletions
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2
jeecg-boot/jeecg-boot-module/jeecg-module-learn/src/main/java/org/jeecg/modules/biz/controller/CourseBizController.java
View File

@ -43,7 +43,7 @@ public class CourseBizController {
private ISysBaseAPI sysBaseApi;
@GetMapping("/list")
@Operation(summary = "查询课程列表", description = "可根据分类、难度、专题进行检索，三个参数可任意传递其中之一、之二或全部，不传参则查询所有课程，携带讲师信息")
@Operation(summary = "查询课程列表", description = "可根据分类、难度、专题进行检索，三个参数可任意传递其中之一、之二或全部，每个参数可传递多个值，用英文逗号分割，不传参或传递all则查询所有课程，携带讲师信息")
@IgnoreAuth
public Result<List<CourseWithTeacherInfo>> queryCourseList(
@RequestParam(value = "categoryId", required = false) String categoryId,

73
jeecg-boot/jeecg-boot-module/jeecg-module-learn/src/main/java/org/jeecg/modules/biz/service/impl/CourseBizServiceImpl.java
View File

@ -150,10 +150,77 @@ public class CourseBizServiceImpl extends ServiceImpl<CourseMapper, Course> impl
@Override
public List<CourseWithTeacherInfo> getCourseList(String categoryId, String difficulty, String topic) {
// TODO GC 根据分类 专题进行查询
QueryWrapper<Course> queryWrapper = new QueryWrapper<>();
if (difficulty != null && difficulty.trim().length() > 0) {
queryWrapper.eq("difficulty", difficulty);
// 根据分类查询 - 支持多个分类ID，用逗号分隔
if (!"all".equals(categoryId) && categoryId != null) {
String[] categoryIds = categoryId.split(",");
Set<String> allCourseIds = new HashSet<>();
for (String catId : categoryIds) {
catId = catId.trim();
if (!catId.isEmpty()) {
List<String> courseIds = entityLinkBizService.listTargetIds(
EntityLinkConst.SourceType.COURSE_CATEGORY, catId, EntityLinkConst.TargetType.COURSE);
allCourseIds.addAll(courseIds);
}
}
if (!allCourseIds.isEmpty()) {
queryWrapper.in("id", allCourseIds);
}
}
// 根据专题查询 - 支持多个专题值，用逗号分隔
if (!"all".equals(topic) && topic != null) {
String[] topics = topic.split(",");
List<String> validTopics = new ArrayList<>();
for (String topicValue : topics) {
topicValue = topicValue.trim();
if (!topicValue.isEmpty()) {
validTopics.add(topicValue);
}
}
if (!validTopics.isEmpty()) {
queryWrapper.and(wrapper -> {
for (int i = 0; i < validTopics.size(); i++) {
String topicValue = validTopics.get(i);
if (i == 0) {
// 第一个条件，直接开始
wrapper.and(subWrapper -> {
subWrapper.like("subject", topicValue + ",") // 开头匹配
.or().like("subject", "," + topicValue + ",") // 中间匹配
.or().like("subject", "," + topicValue) // 结尾匹配
.or().eq("subject", topicValue); // 单独匹配
});
} else {
// 后续条件用OR连接，表示任一专题匹配即可
wrapper.or(subWrapper -> {
subWrapper.like("subject", topicValue + ",") // 开头匹配
.or().like("subject", "," + topicValue + ",") // 中间匹配
.or().like("subject", "," + topicValue) // 结尾匹配
.or().eq("subject", topicValue); // 单独匹配
});
}
}
});
}
}
// 根据难度查询 - 支持多个难度值，用逗号分隔
if (!"all".equals(difficulty) && difficulty != null) {
String[] difficulties = difficulty.split(",");
List<String> difficultyList = new ArrayList<>();
for (String diff : difficulties) {
diff = diff.trim();
if (!diff.isEmpty()) {
difficultyList.add(diff);
}
}
if (!difficultyList.isEmpty()) {
queryWrapper.in("difficulty", difficultyList);
}
}
List<Course> courseList = courseMapper.selectList(queryWrapper);