feat: 이미 투표한 토픽에 투표할 때 exception

에외처리, 네이밍 구체화

Issue: #102

src/docs/asciidoc/topic.adoc

@@ -100,6 +100,10 @@ E2. 투표 시간을 미래 시간으로 요청
 
 operation::topic-controller-test/vote-for-topic_voted-at-future_throw-exception[snippets="http-request,http-response"]
 
+E3. 이미 투표한 토픽에 대해 투표
+
+operation::topic-controller-test/vote-for-topic_duplicate-vote_throw-exception[snippets="http-request,http-response"]
+
 ### 1.8. 투표 수정
 
 OK

src/main/java/life/offonoff/ab/application/service/TopicService.java

@@ -166,24 +166,32 @@ public void voteForTopicByMember(final Long topicId, final Long memberId, final
         Topic topic = findTopic(topicId);
         final LocalDateTime votedAt = convertUnixTime(request.votedAt());
 
-        checkTopicVotable(topic, member, votedAt);
-
-        doVote(member, topic, votedAt, request.choiceOption());
+        voteForTopic(member, topic, votedAt, request.choiceOption());
     }
 
-    private void doVote(final Member member, final Topic topic, final LocalDateTime votedAt, ChoiceOption choiceOption) {
+    private void voteForTopic(final Member member, final Topic topic, final LocalDateTime votedAt, ChoiceOption choiceOption) {
+        checkMemberVotableToTopic(member, topic, votedAt);
+
         Vote vote = new Vote(choiceOption, votedAt);
         vote.associate(member, topic);
         voteRepository.save(vote);
     }
 
-    private static void checkTopicVotable(final Topic topic, final Member member, final LocalDateTime votedAt) {
-        if (!topic.isBeforeDeadline(votedAt)) {
-            throw new UnableToVoteException(votedAt);
-        }
+    private void checkMemberVotableToTopic(final Member member, final Topic topic, final LocalDateTime votedAt) {
+        checkTopicVotable(topic, votedAt);
         if (topic.isWrittenBy(member)) {
             throw new VoteByAuthorException(topic.getId(), member.getId());
         }
+        if (member.votedAlready(topic)) {
+            // 이미 투표했으면 또 투표 불가. 투표 다시하기 필요
+            throw new AlreadyVotedException(topic.getId(), member.getVotedOptionOfTopic(topic));
+        }
+    }
+
+    private void checkTopicVotable(final Topic topic, final LocalDateTime votedAt) {
+        if (!topic.isBeforeDeadline(votedAt)) {
+            throw new UnableToVoteException(votedAt);
+        }
         final LocalDateTime now = LocalDateTime.now();
         boolean votedAtFuture = votedAt.isAfter(now);
         if (votedAtFuture) {
@@ -193,35 +201,31 @@ private static void checkTopicVotable(final Topic topic, final Member member, fi
 
     @Transactional
     public void modifyVoteForTopicByMember(final Long topicId, final Long memberId, final VoteModifyRequest request) {
-
         final LocalDateTime modifiedAt = convertUnixTime(request.getModifiedAt());
         final ChoiceOption modifiedOption = request.getModifiedOption();
 
-        Member member = findMember(memberId);
-        Topic topic = findTopic(topicId);
         Vote vote = findVoteByMemberIdAndTopicId(memberId, topicId);
 
-        checkVoteModifiable(vote, modifiedOption, modifiedAt);
-
         modifyVote(vote, modifiedOption, modifiedAt);
     }
 
-    private void checkVoteModifiable(Vote vote, ChoiceOption modifiedOption, LocalDateTime modifiedAt) {
-
-        checkTopicVotable(vote.getTopic(), vote.getVoter(), modifiedAt);
-
-        if (vote.isVotedForOption(modifiedOption)) {
-            throw new DuplicateVoteException(vote.getTopic().getId(), modifiedOption);
-        }
-    }
-
     private void modifyVote(Vote vote, ChoiceOption modifiedOption, LocalDateTime modifiedAt) {
+        checkVoteModifiable(vote, modifiedOption, modifiedAt);
 
         deleteVotersComments(vote.getVoter(), vote.getTopic());
 
         vote.changeOption(modifiedOption, modifiedAt);
     }
 
+    private void checkVoteModifiable(Vote vote, ChoiceOption modifiedOption, LocalDateTime modifiedAt) {
+        checkTopicVotable(vote.getTopic(), modifiedAt);
+
+        boolean optionVotedAlready = vote.isVotedForOption(modifiedOption);
+        if (optionVotedAlready) {
+            throw new DuplicateVoteOptionException(vote.getTopic().getId(), modifiedOption);
+        }
+    }
+
     private void deleteVotersComments(Member voter, Topic topic) {
         int deleted = commentRepository.deleteAllByWriterIdAndTopicId(voter.getId(), topic.getId());
         topic.commentRemoved(deleted);

src/main/java/life/offonoff/ab/exception/AbCode.java

@@ -21,7 +21,8 @@ public enum AbCode {
     ILLEGAL_AUTHOR,
 
     // Vote
-    DUPLICATE_VOTE,
+    DUPLICATE_VOTE_OPTION,
+    ALREADY_VOTED,
 
     // COMMENT
     UNABLE_TO_VIEW_COMMENTS,

src/main/java/life/offonoff/ab/exception/AlreadyVotedException.java

@@ -0,0 +1,32 @@
+package life.offonoff.ab.exception;
+
+import life.offonoff.ab.domain.topic.choice.ChoiceOption;
+
+public class AlreadyVotedException extends DuplicateException {
+
+    private static final String MESSAGE = "이미 투표했습니다.";
+
+    private final Long topicId;
+    private final ChoiceOption votedOption;
+
+    public AlreadyVotedException(Long topicId, ChoiceOption votedOption) {
+        super(MESSAGE);
+        this.topicId = topicId;
+        this.votedOption = votedOption;
+    }
+
+    @Override
+    public String getHint() {
+        return "토픽[id=" + topicId + "]에 대해 투표 선택지[choiceOption=" + votedOption + "]로 이미 투표했습니다.";
+    }
+
+    @Override
+    public AbCode getAbCode() {
+        return AbCode.ALREADY_VOTED;
+    }
+
+    @Override
+    public Object getPayload() {
+        return votedOption;
+    }
+}

src/main/java/life/offonoff/ab/exception/DuplicateVoteException.java → src/main/java/life/offonoff/ab/exception/DuplicateVoteOptionException.java

@@ -2,14 +2,14 @@
 
 import life.offonoff.ab.domain.topic.choice.ChoiceOption;
 
-public class DuplicateVoteException extends DuplicateException {
+public class DuplicateVoteOptionException extends DuplicateException {
 
-    private static final String MESSAGE = "중복된 투표입니다.";
+    private static final String MESSAGE = "중복된 투표 선택지입니다.";
 
     private final Long topicId;
     private final ChoiceOption votedOption;
 
-    public DuplicateVoteException(Long topicId, ChoiceOption votedOption) {
+    public DuplicateVoteOptionException(Long topicId, ChoiceOption votedOption) {
         super(MESSAGE);
         this.topicId = topicId;
         this.votedOption = votedOption;
@@ -22,6 +22,11 @@ public String getHint() {
 
     @Override
     public AbCode getAbCode() {
-        return AbCode.DUPLICATE_VOTE;
+        return AbCode.DUPLICATE_VOTE_OPTION;
+    }
+
+    @Override
+    public Object getPayload() {
+        return votedOption;
     }
 }

src/test/java/life/offonoff/ab/application/service/TopicServiceIntegrationTest.java

@@ -9,6 +9,7 @@
 import life.offonoff.ab.domain.topic.TopicSide;
 import life.offonoff.ab.domain.topic.choice.ChoiceOption;
 import life.offonoff.ab.domain.vote.Vote;
+import life.offonoff.ab.exception.AlreadyVotedException;
 import life.offonoff.ab.exception.FutureTimeRequestException;
 import life.offonoff.ab.exception.TopicReportDuplicateException;
 import life.offonoff.ab.exception.VoteByAuthorException;
@@ -185,6 +186,22 @@ void voteForTopicByMember_votedAtFuture_throwException() {
                 .isInstanceOf(FutureTimeRequestException.class);
     }
 
+    @Test
+    void voteForTopicByMember_duplicateVote_throwException() {
+        Member author = createMember();
+        Member voter = createMember();
+        TopicResponse response = createMembersTopic(author.getId());
+        VoteRequest request = new VoteRequest(
+                ChoiceOption.CHOICE_A, LocalDateTime.now().atZone(ZoneId.systemDefault()).toEpochSecond());
+        topicService.voteForTopicByMember(response.topicId(), voter.getId(), request);
+
+        ThrowingCallable code = () ->
+                topicService.voteForTopicByMember(response.topicId(), voter.getId(), request);
+
+        assertThatThrownBy(code)
+                .isInstanceOf(AlreadyVotedException.class);
+    }
+
     private Member createMember() {
         Member member = memberService.join(new SignUpRequest("email", "password", Provider.NONE));
         member.registerPersonalInfo(new PersonalInfo("nickname", LocalDate.now(), Gender.MALE, "job"));

src/test/java/life/offonoff/ab/application/service/TopicServiceTest.java

@@ -10,7 +10,7 @@
 import life.offonoff.ab.domain.topic.TopicStatus;
 import life.offonoff.ab.domain.topic.choice.ChoiceOption;
 import life.offonoff.ab.domain.vote.Vote;
-import life.offonoff.ab.exception.DuplicateVoteException;
+import life.offonoff.ab.exception.DuplicateVoteOptionException;
 import life.offonoff.ab.exception.LengthInvalidException;
 import life.offonoff.ab.repository.ChoiceRepository;
 import life.offonoff.ab.repository.keyword.KeywordRepository;
@@ -345,8 +345,6 @@ void modify_vote() {
         Comment comment1 = Comment.createVotersComment(vote, "content1");
         Comment comment2 = Comment.createVotersComment(vote, "content2");
 
-        when(memberRepository.findByIdAndActiveTrue(anyLong())).thenReturn(Optional.of(voter));
-        when(topicRepository.findByIdAndActiveTrue(anyLong())).thenReturn(Optional.of(topic));
         when(voteRepository.findByVoterIdAndTopicId(any(), any())).thenReturn(Optional.of(vote));
         when(commentRepository.deleteAllByWriterIdAndTopicId(anyLong(), anyLong())).thenReturn(2);
 
@@ -386,8 +384,6 @@ void modify_vote_duplicate_exception() {
         Vote vote = new Vote(ChoiceOption.CHOICE_A, LocalDateTime.now());
         vote.associate(voter, topic);
 
-        when(memberRepository.findByIdAndActiveTrue(anyLong())).thenReturn(Optional.of(voter));
-        when(topicRepository.findByIdAndActiveTrue(anyLong())).thenReturn(Optional.of(topic));
         when(voteRepository.findByVoterIdAndTopicId(any(), any())).thenReturn(Optional.of(vote));
 
         // when
@@ -396,7 +392,7 @@ void modify_vote_duplicate_exception() {
                         topicId,
                         voter.getId(),
                         new VoteModifyRequest(vote.getSelectedOption(), getEpochSecond(deadline.minusHours(1))))
-        ).isInstanceOf(DuplicateVoteException.class);
+        ).isInstanceOf(DuplicateVoteOptionException.class);
 
     }
 

src/test/java/life/offonoff/ab/web/TopicControllerTest.java

@@ -1,13 +1,15 @@
 package life.offonoff.ab.web;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.fasterxml.jackson.datatype.jsr310.JavaTimeModule;
 import life.offonoff.ab.application.service.CommentService;
 import life.offonoff.ab.application.service.TopicService;
 import life.offonoff.ab.application.service.TopicServiceTest.TopicTestDtoHelper;
 import life.offonoff.ab.application.service.TopicServiceTest.TopicTestDtoHelper.TopicTestDtoHelperBuilder;
-import life.offonoff.ab.application.service.request.*;
+import life.offonoff.ab.application.service.request.TopicCreateRequest;
+import life.offonoff.ab.application.service.request.TopicSearchRequest;
+import life.offonoff.ab.application.service.request.VoteModifyRequest;
+import life.offonoff.ab.application.service.request.VoteRequest;
 import life.offonoff.ab.config.WebConfig;
 import life.offonoff.ab.domain.comment.Comment;
 import life.offonoff.ab.domain.keyword.Keyword;
@@ -22,19 +24,20 @@
 import life.offonoff.ab.web.common.aspect.auth.AuthorizedArgumentResolver;
 import life.offonoff.ab.web.response.CommentResponse;
 import life.offonoff.ab.web.response.topic.TopicResponse;
-import life.offonoff.ab.web.response.topic.content.TopicContentResponseFactory;
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest;
 import org.springframework.boot.test.mock.mockito.MockBean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.FilterType;
-import org.springframework.data.domain.*;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Slice;
+import org.springframework.data.domain.Sort;
 import org.springframework.http.MediaType;
 import org.springframework.security.test.context.support.WithMockUser;
 
 import java.time.LocalDateTime;
 import java.time.ZoneId;
-import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
@@ -242,6 +245,24 @@ void voteForTopic_votedAtFuture_throwException() throws Exception {
                 .andExpect(jsonPath("abCode").value("FUTURE_TIME_REQUEST"));
     }
 
+    @Test
+    void voteForTopic_duplicateVote_throwException() throws Exception {
+        LocalDateTime now = LocalDateTime.now();
+        LocalDateTime votedAt = now.plusMinutes(30);
+
+        doThrow(new AlreadyVotedException(1L, ChoiceOption.CHOICE_B))
+                .when(topicService).voteForTopicByMember(any(), any(), any());
+
+        VoteRequest request = new VoteRequest(
+                ChoiceOption.CHOICE_A, votedAt.atZone(ZoneId.systemDefault()).toEpochSecond());
+        mvc.perform(post(TopicUri.VOTE, 1).with(csrf().asHeader())
+                            .contentType(MediaType.APPLICATION_JSON)
+                            .content(new ObjectMapper().registerModule(new JavaTimeModule()) // For serializing localdatetime
+                                             .writeValueAsString(request)))
+                .andExpect(status().isBadRequest())
+                .andExpect(jsonPath("abCode").value(AbCode.ALREADY_VOTED.name()));
+    }
+
     @Test
     void modifyVoteForTopic_not_duplicated_option() throws Exception {
 
@@ -267,7 +288,7 @@ void modifyVoteForTopic_exception_duplicated_option() throws Exception {
                 modifiedOption, getEpochSecond(LocalDateTime.now().plusMinutes(30))
         );
 
-        doThrow(new DuplicateVoteException(topicId, modifiedOption))
+        doThrow(new DuplicateVoteOptionException(topicId, modifiedOption))
                 .when(topicService).modifyVoteForTopicByMember(any(), any(), any());
 
         mvc.perform(patch(TopicUri.VOTE, topicId).with(csrf().asHeader())
@@ -276,7 +297,7 @@ modifiedOption, getEpochSecond(LocalDateTime.now().plusMinutes(30))
                                 .writeValueAsString(request)))
                 .andExpectAll(
                         status().isBadRequest(),
-                        jsonPath("$.abCode").value(AbCode.DUPLICATE_VOTE.name())
+                        jsonPath("$.abCode").value(AbCode.DUPLICATE_VOTE_OPTION.name())
                 );
     }