学员全部课程api增加分类过滤

src/main/java/xyz/playedu/api/controller/frontend/UserController.java

@@ -106,6 +106,8 @@ public class UserController {
             return JsonResponse.error("请选择部门");
         }
 
+        Integer categoryId = MapUtils.getInteger(params, "category_id");
+
         List<Integer> userJoinDepIds = userService.getDepIdsByUserId(FCtx.getId());
         if (userJoinDepIds == null) {
             return JsonResponse.error("当前学员未加入任何部门");
@@ -126,9 +128,10 @@ public class UserController {
                             {
                                 add(depId);
                             }
-                        });
+                        },
+                        categoryId);
         // 全部部门课
-        List<Course> openCourses = courseService.getOpenCoursesAndShow(500);
+        List<Course> openCourses = courseService.getOpenCoursesAndShow(500, categoryId);
         // 汇总到一个list中
         if (depCourses != null && depCourses.size() > 0) {
             courses.addAll(depCourses);

src/main/java/xyz/playedu/api/mapper/CourseMapper.java

@@ -36,5 +36,5 @@ public interface CourseMapper extends BaseMapper<Course> {
 
     Long paginateCount(CoursePaginateFiler filer);
 
-    List<Course> openCoursesAndShow(Integer limit);
+    List<Course> openCoursesAndShow(Integer limit, Integer categoryId);
 }

src/main/java/xyz/playedu/api/service/CourseService.java

@@ -77,8 +77,12 @@ public interface CourseService extends IService<Course> {
 
     List<Course> getOpenCoursesAndShow(Integer limit);
 
+    List<Course> getOpenCoursesAndShow(Integer limit, Integer categoryId);
+
     List<Course> getDepCoursesAndShow(List<Integer> depIds);
 
+    List<Course> getDepCoursesAndShow(List<Integer> depIds, Integer categoryId);
+
     Map<Integer, List<Integer>> getCategoryIdsGroup(List<Integer> courseIds);
 
     Map<Integer, List<Integer>> getDepIdsGroup(List<Integer> courseIds);

src/main/java/xyz/playedu/api/service/impl/CourseServiceImpl.java

@@ -209,7 +209,41 @@ public class CourseServiceImpl extends ServiceImpl<CourseMapper, Course> impleme
 
     @Override
     public List<Course> getOpenCoursesAndShow(Integer limit) {
-        return getBaseMapper().openCoursesAndShow(limit);
+        return getBaseMapper().openCoursesAndShow(limit, 0);
+    }
+
+    @Override
+    public List<Course> getOpenCoursesAndShow(Integer limit, Integer categoryId) {
+        return getBaseMapper().openCoursesAndShow(limit, categoryId);
+    }
+
+    @Override
+    public List<Course> getDepCoursesAndShow(List<Integer> depIds, Integer categoryId) {
+        if (depIds == null || depIds.size() == 0) {
+            return new ArrayList<>();
+        }
+        List<Integer> courseIds = courseDepartmentService.getCourseIdsByDepIds(depIds);
+        if (courseIds == null || courseIds.size() == 0) {
+            return new ArrayList<>();
+        }
+        if (categoryId != null && categoryId > 0) {
+            List<Integer> tmpCourseIds =
+                    courseCategoryService.getCourseIdsByCategoryIds(
+                            new ArrayList<>() {
+                                {
+                                    add(categoryId);
+                                }
+                            });
+            if (tmpCourseIds == null || tmpCourseIds.size() == 0) {
+                return new ArrayList<>();
+            }
+            // 取交集
+            courseIds.retainAll(tmpCourseIds);
+        }
+        if (courseIds.size() == 0) {
+            return new ArrayList<>();
+        }
+        return list(query().getWrapper().in("id", courseIds).eq("is_show", 1));
     }
 
     @Override

src/main/resources/mapper/CourseMapper.xml

@@ -171,9 +171,12 @@
     <select id="openCoursesAndShow" resultType="xyz.playedu.api.domain.Course">
         SELECT `courses`.*
         FROM `courses`
-                 LEFT JOIN `course_department` ON `course_department`.`course_id` = `courses`.`id`
+        LEFT JOIN `course_department` ON `course_department`.`course_id` = `courses`.`id`
         WHERE `course_department`.`course_id` IS NULL
-          AND `courses`.`is_show` = 1
+        AND `courses`.`is_show` = 1
-            LIMIT #{limit}
+        <if test="categoryId != null and categoryId > 0">
+            AND `course_department`.`caetgory_id` = #{categoryId}
+        </if>
+        LIMIT #{limit}
     </select>
 </mapper>