feat: 레슨 관련 조건 추가

ense333 · ense333 · commit 6b88ae07b1d2 · 2025-07-22T16:39:29.000+09:00
diff --git a/src/main/java/com/threestar/trainus/domain/lesson/student/service/StudentLessonService.java b/src/main/java/com/threestar/trainus/domain/lesson/student/service/StudentLessonService.java
@@ -323,7 +323,7 @@ public void cancelPayment(Long lessonId, Long userId) {
 	public void checkValidLessonParticipant(Lesson lesson, User user) {
 		boolean ifExists = lessonParticipantRepository.existsByLessonIdAndUserId(lesson.getId(), user.getId());
 		if (!ifExists) {
-			throw new BusinessException(ErrorCode.ALREADY_PAID_LESSON);
+			throw new BusinessException(ErrorCode.INVALID_LESSON_PARTICIPANT);
 		}
 	}
 }

Original file line number	Diff line number	Diff line change
`@@ -323,7 +323,7 @@ public void cancelPayment(Long lessonId, Long userId) {`
`323`	`323`	`public void checkValidLessonParticipant(Lesson lesson, User user) {`
`324`	`324`	`boolean ifExists = lessonParticipantRepository.existsByLessonIdAndUserId(lesson.getId(), user.getId());`
`325`	`325`	`if (!ifExists) {`
`326`		`- throw new BusinessException(ErrorCode.ALREADY_PAID_LESSON);`
	`326`	`+ throw new BusinessException(ErrorCode.INVALID_LESSON_PARTICIPANT);`
`327`	`327`	`}`
`328`	`328`	`}`
`329`	`329`	`}`