Merge pull request #214 from bucket-back/OMCT-409-limit-vote-particip…

…ation

[OMCT-409] 최대 투표자 수를 제한하는 요구사항 추가

bucketback-api/src/main/java/com/programmers/bucketback/domains/vote/api/dto/request/VoteCreateRequest.java

@@ -23,14 +23,18 @@ public record VoteCreateRequest(
 
 	@Schema(description = "아이템2 ID", example = "2")
 	@NotNull(message = "아이템2 ID는 필수 값입니다.")
-	Long item2Id
+	Long item2Id,
+
+	@Schema(description = "최대 투표자 수", example = "100")
+	Integer maximumParticipants
 ) {
 	public VoteCreateServiceRequest toCreateVoteServiceRequest() {
 		return VoteCreateServiceRequest.builder()
 			.hobby(Hobby.fromHobbyValue(hobby))
 			.content(content)
 			.item1Id(item1Id)
 			.item2Id(item2Id)
+			.maximumParticipants(maximumParticipants)
 			.build();
 	}
 }

bucketback-api/src/main/java/com/programmers/bucketback/domains/vote/application/dto/request/VoteCreateServiceRequest.java

@@ -10,9 +10,10 @@ public record VoteCreateServiceRequest(
 	Hobby hobby,
 	String content,
 	Long item1Id,
-	Long item2Id
+	Long item2Id,
+	Integer maximumParticipants
 ) {
 	public VoteCreateImplRequest toImplRequest() {
-		return new VoteCreateImplRequest(hobby, content, item1Id, item2Id);
+		return new VoteCreateImplRequest(hobby, content, item1Id, item2Id, maximumParticipants);
 	}
 }

bucketback-domain/src/main/java/com/programmers/bucketback/domains/vote/domain/Vote.java

@@ -58,6 +58,9 @@ public class Vote extends BaseEntity {
 	@Column(name = "end_time", nullable = false)
 	private LocalDateTime endTime;
 
+	@Column(name = "maximum_participants")
+	private Integer maximumParticipants;
+
 	@OneToMany(mappedBy = "vote", cascade = CascadeType.ALL)
 	private List<Voter> voters = new ArrayList<>();
 
@@ -67,7 +70,8 @@ private Vote(
 		final Long item1Id,
 		final Long item2Id,
 		final Hobby hobby,
-		final String content
+		final String content,
+		final Integer maximumParticipants
 	) {
 		this.memberId = Objects.requireNonNull(memberId);
 		this.item1Id = Objects.requireNonNull(item1Id);
@@ -76,6 +80,7 @@ private Vote(
 		this.content = new Content(content);
 		this.startTime = LocalDateTime.now();
 		this.endTime = startTime.plusDays(1);
+		this.maximumParticipants = maximumParticipants;
 	}
 
 	public String getContent() {
@@ -100,4 +105,12 @@ public boolean isVoting() {
 		final LocalDateTime now = LocalDateTime.now();
 		return this.endTime.isAfter(now);
 	}
+
+	public void close(final LocalDateTime now) {
+		this.endTime = now;
+	}
+
+	public boolean reachMaximumParticipants() {
+		return this.maximumParticipants != null && this.maximumParticipants == this.voters.size();
+	}
 }

bucketback-domain/src/main/java/com/programmers/bucketback/domains/vote/implementation/VoteAppender.java

@@ -26,6 +26,7 @@ public Vote append(
 			.item2Id(request.item2Id())
 			.hobby(request.hobby())
 			.content(request.content())
+			.maximumParticipants(request.maximumParticipants())
 			.build();
 
 		return voteRepository.save(vote);

bucketback-domain/src/main/java/com/programmers/bucketback/domains/vote/implementation/VoteManager.java

@@ -1,5 +1,7 @@
 package com.programmers.bucketback.domains.vote.implementation;
 
+import java.time.LocalDateTime;
+
 import org.springframework.stereotype.Component;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -25,6 +27,10 @@ public void participate(
 		final Voter voter = voterReader.read(vote, memberId, itemId);
 
 		voter.participate(itemId);
+
+		if (vote.reachMaximumParticipants()) {
+			vote.close(LocalDateTime.now());
+		}
 	}
 
 	@Transactional

bucketback-domain/src/main/java/com/programmers/bucketback/domains/vote/model/VoteCreateImplRequest.java

@@ -9,6 +9,7 @@ public record VoteCreateImplRequest(
 	Hobby hobby,
 	String content,
 	Long item1Id,
-	Long item2Id
+	Long item2Id,
+	Integer maximumParticipants
 ) {
 }