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feat: enable multi-option polls

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This commit is contained in:
Tim
2025-08-31 12:13:41 +08:00
parent 3808becc8b
commit 2f339fdbdb
12 changed files with 117 additions and 32 deletions
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4
backend/src/main/java/com/openisle/controller/PostController.java
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@@ -44,7 +44,7 @@ public class PostController {
req.getType(), req.getPrizeDescription(), req.getPrizeIcon(),
req.getPrizeCount(), req.getPointCost(),
req.getStartTime(), req.getEndTime(),
req.getOptions());
req.getOptions(), req.getMultiple());
draftService.deleteDraft(auth.getName());
PostDetailDto dto = postMapper.toDetailDto(post, auth.getName());
dto.setReward(levelService.awardForPost(auth.getName()));
@@ -94,7 +94,7 @@ public class PostController {
}
@PostMapping("/{id}/poll/vote")
public ResponseEntity<Void> vote(@PathVariable Long id, @RequestParam("option") int option, Authentication auth) {
public ResponseEntity<Void> vote(@PathVariable Long id, @RequestParam("option") List<Integer> option, Authentication auth) {
postService.votePoll(id, auth.getName(), option);
return ResponseEntity.ok().build();
}

1
backend/src/main/java/com/openisle/dto/PollDto.java
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@@ -13,4 +13,5 @@ public class PollDto {
private LocalDateTime endTime;
private List<AuthorDto> participants;
private Map<Integer, List<AuthorDto>> optionParticipants;
private boolean multiple;
}

1
backend/src/main/java/com/openisle/dto/PostRequest.java
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@@ -28,5 +28,6 @@ public class PostRequest {
private LocalDateTime endTime;
// fields for poll posts
private List<String> options;
private Boolean multiple;
}

1
backend/src/main/java/com/openisle/mapper/PostMapper.java
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@@ -111,6 +111,7 @@ public class PostMapper {
.collect(Collectors.groupingBy(PollVote::getOptionIndex,
Collectors.mapping(v -> userMapper.toAuthorDto(v.getUser()), Collectors.toList())));
p.setOptionParticipants(optionParticipants);
p.setMultiple(pp.isMultiple());
dto.setPoll(p);
}
}

3
backend/src/main/java/com/openisle/model/PollPost.java
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@@ -32,6 +32,9 @@ public class PollPost extends Post {
inverseJoinColumns = @JoinColumn(name = "user_id"))
private Set<User> participants = new HashSet<>();
@Column
private boolean multiple = false;
@Column
private LocalDateTime endTime;

2
backend/src/main/java/com/openisle/model/PollVote.java
View File

@@ -6,7 +6,7 @@ import lombok.NoArgsConstructor;
import lombok.Setter;
@Entity
@Table(name = "poll_votes", uniqueConstraints = @UniqueConstraint(columnNames = {"post_id", "user_id"}))
@Table(name = "poll_votes", uniqueConstraints = @UniqueConstraint(columnNames = {"post_id", "user_id", "option_index"}))
@Getter
@Setter
@NoArgsConstructor

30
backend/src/main/java/com/openisle/service/PostService.java
View File

@@ -186,7 +186,8 @@ public class PostService {
Integer pointCost,
LocalDateTime startTime,
LocalDateTime endTime,
java.util.List<String> options) {
java.util.List<String> options,
Boolean multiple) {
long recent = postRepository.countByAuthorAfter(username,
java.time.LocalDateTime.now().minusMinutes(5));
if (recent >= 1) {
@@ -227,6 +228,7 @@ public class PostService {
PollPost pp = new PollPost();
pp.setOptions(options);
pp.setEndTime(endTime);
pp.setMultiple(multiple != null && multiple);
post = pp;
} else {
post = new Post();
@@ -302,7 +304,7 @@ public class PostService {
}
@Transactional
public PollPost votePoll(Long postId, String username, int optionIndex) {
public PollPost votePoll(Long postId, String username, java.util.List<Integer> optionIndices) {
PollPost post = pollPostRepository.findById(postId)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("Post not found"));
if (post.getEndTime() != null && post.getEndTime().isBefore(LocalDateTime.now())) {
@@ -313,16 +315,24 @@ public class PostService {
if (post.getParticipants().contains(user)) {
throw new IllegalArgumentException("User already voted");
}
if (optionIndex < 0 || optionIndex >= post.getOptions().size()) {
throw new IllegalArgumentException("Invalid option");
if (optionIndices == null || optionIndices.isEmpty()) {
throw new IllegalArgumentException("No options selected");
}
java.util.Set<Integer> unique = new java.util.HashSet<>(optionIndices);
for (int optionIndex : unique) {
if (optionIndex < 0 || optionIndex >= post.getOptions().size()) {
throw new IllegalArgumentException("Invalid option");
}
}
post.getParticipants().add(user);
post.getVotes().merge(optionIndex, 1, Integer::sum);
PollVote vote = new PollVote();
vote.setPost(post);
vote.setUser(user);
vote.setOptionIndex(optionIndex);
pollVoteRepository.save(vote);
for (int optionIndex : unique) {
post.getVotes().merge(optionIndex, 1, Integer::sum);
PollVote vote = new PollVote();
vote.setPost(post);
vote.setUser(user);
vote.setOptionIndex(optionIndex);
pollVoteRepository.save(vote);
}
PollPost saved = pollPostRepository.save(post);
if (post.getAuthor() != null && !post.getAuthor().getId().equals(user.getId())) {
notificationService.createNotification(post.getAuthor(), NotificationType.POLL_VOTE, post, null, null, user, null, null);