feat: (#36) 자신이 작성한 글에는 투표하지 못하는 검증 추가

woowacourse-teams · Jul 13, 2023 · 52179ba · 52179ba
1 parent 06747f7
commit 52179ba
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diff --git a/backend/src/main/java/com/votogether/domain/member/entity/Member.java b/backend/src/main/java/com/votogether/domain/member/entity/Member.java
@@ -65,12 +65,19 @@ private Member(
 
  public Vote vote(final Post post, final Long postOptionId) {
  PostOption postOption = post.findPostOptionById(postOptionId);
+ validateWriter(post);
  return Vote.builder()
  .member(this)
  .postOption(postOption)
  .build();
  }
 
+ private void validateWriter(Post post) {
+ if (post.isWriter(this)) {
+ throw new IllegalArgumentException("자기자신은 투표할 수 없습니다.");
+ }
+ }
+
  public void plusPoint(int point) {
  this.point = this.point + point;
  }

diff --git a/backend/src/main/java/com/votogether/domain/post/entity/Post.java b/backend/src/main/java/com/votogether/domain/post/entity/Post.java
@@ -64,4 +64,8 @@ public PostOption findPostOptionById(final Long PostOptionId) {
  .orElseThrow(() -> new IllegalArgumentException("해당 게시글에서 존재하지 않는 선택지 입니다."));
  }
 
+ public boolean isWriter(Member member) {
+ return this.member == member;
+ }
+
 }