feat: implement medal feature

2026-02-21 22:41:05 +08:00 · 2025-08-09 02:08:02 +08:00
parent 9c1cedd172
commit 987fe0d885
11 changed files with 269 additions and 0 deletions
--- a/backend/src/main/java/com/openisle/service/MedalService.java
+++ b/backend/src/main/java/com/openisle/service/MedalService.java
@@ -0,0 +1,84 @@
+package com.openisle.service;
+
+import com.openisle.dto.CommentMedalDto;
+import com.openisle.dto.MedalDto;
+import com.openisle.dto.PostMedalDto;
+import com.openisle.dto.SeedUserMedalDto;
+import com.openisle.model.MedalType;
+import com.openisle.repository.CommentRepository;
+import com.openisle.repository.PostRepository;
+import com.openisle.repository.UserRepository;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+import java.time.LocalDateTime;
+import java.util.ArrayList;
+import java.util.List;
+
+@Service
+@RequiredArgsConstructor
+public class MedalService {
+    private static final long COMMENT_TARGET = 100;
+    private static final long POST_TARGET = 100;
+    private static final LocalDateTime SEED_USER_DEADLINE = LocalDateTime.of(2025, 9, 16, 0, 0);
+
+    private final CommentRepository commentRepository;
+    private final PostRepository postRepository;
+    private final UserRepository userRepository;
+
+    public List<MedalDto> getMedals(Long userId) {
+        List<MedalDto> medals = new ArrayList<>();
+
+        CommentMedalDto commentMedal = new CommentMedalDto();
+        commentMedal.setIcon("comment.png");
+        commentMedal.setTitle("评论达人");
+        commentMedal.setDescription("评论超过100条");
+        commentMedal.setType(MedalType.COMMENT);
+        commentMedal.setTargetCommentCount(COMMENT_TARGET);
+        if (userId != null) {
+            long count = commentRepository.countByAuthor_Id(userId);
+            commentMedal.setCurrentCommentCount(count);
+            commentMedal.setCompleted(count >= COMMENT_TARGET);
+        } else {
+            commentMedal.setCurrentCommentCount(0);
+            commentMedal.setCompleted(false);
+        }
+        medals.add(commentMedal);
+
+        PostMedalDto postMedal = new PostMedalDto();
+        postMedal.setIcon("post.png");
+        postMedal.setTitle("发帖达人");
+        postMedal.setDescription("评论超过100条");
+        postMedal.setType(MedalType.POST);
+        postMedal.setTargetPostCount(POST_TARGET);
+        if (userId != null) {
+            long count = postRepository.countByAuthor_Id(userId);
+            postMedal.setCurrentPostCount(count);
+            postMedal.setCompleted(count >= POST_TARGET);
+        } else {
+            postMedal.setCurrentPostCount(0);
+            postMedal.setCompleted(false);
+        }
+        medals.add(postMedal);
+
+        SeedUserMedalDto seedUserMedal = new SeedUserMedalDto();
+        seedUserMedal.setIcon("seed.png");
+        seedUserMedal.setTitle("种子用户");
+        seedUserMedal.setDescription("2025.9.16前注册的用户");
+        seedUserMedal.setType(MedalType.SEED);
+        if (userId != null) {
+            userRepository.findById(userId).ifPresent(user -> {
+                seedUserMedal.setRegisterDate(user.getCreatedAt());
+                seedUserMedal.setCompleted(user.getCreatedAt().isBefore(SEED_USER_DEADLINE));
+            });
+            if (seedUserMedal.getRegisterDate() == null) {
+                seedUserMedal.setCompleted(false);
+            }
+        } else {
+            seedUserMedal.setCompleted(false);
+        }
+        medals.add(seedUserMedal);
+
+        return medals;
+    }
+}