fix: 完善提案通知流程，防止重复通知，提案成功自动插入分类

backend/src/main/java/com/openisle/model/NotificationType.java

@@ -46,6 +46,10 @@ public enum NotificationType {
   POLL_RESULT_OWNER,
   /** A poll you participated in has concluded */
   POLL_RESULT_PARTICIPANT,
+  /** Your category proposal has concluded */
+  CATEGORY_PROPOSAL_RESULT_OWNER,
+  /** A category proposal you participated in has concluded */
+  CATEGORY_PROPOSAL_RESULT_PARTICIPANT,
   /** Your post was featured */
   POST_FEATURED,
   /** Someone donated to your post */

backend/src/main/java/com/openisle/service/PostService.java

@@ -70,6 +70,7 @@ public class PostService {
   private final PointService pointService;
   private final PostChangeLogService postChangeLogService;
   private final PointHistoryRepository pointHistoryRepository;
+  private final CategoryService categoryService;
   private final ConcurrentMap<Long, ScheduledFuture<?>> scheduledFinalizations =
     new ConcurrentHashMap<>();
 
@@ -112,7 +113,8 @@ public class PostService {
     PointHistoryRepository pointHistoryRepository,
     @Value("${app.post.publish-mode:DIRECT}") PublishMode publishMode,
     RedisTemplate redisTemplate,
-    SearchIndexEventPublisher searchIndexEventPublisher
+    SearchIndexEventPublisher searchIndexEventPublisher,
+    CategoryService categoryService
   ) {
     this.postRepository = postRepository;
     this.userRepository = userRepository;
@@ -141,6 +143,7 @@ public class PostService {
 
     this.redisTemplate = redisTemplate;
     this.searchIndexEventPublisher = searchIndexEventPublisher;
+    this.categoryService = categoryService;
   }
 
   @EventListener(ApplicationReadyEvent.class)
@@ -429,8 +432,11 @@ public class PostService {
         boolean quorumMet = totalParticipants >= cp.getQuorum();
         int approvePercent = totalParticipants > 0 ? (approveVotes * 100) / totalParticipants : 0;
         boolean thresholdMet = approvePercent >= cp.getApproveThreshold();
+        boolean approved = false;
+        String rejectReason = null;
         if (quorumMet && thresholdMet) {
           cp.setProposalStatus(CategoryProposalStatus.APPROVED);
+          approved = true;
         } else {
           cp.setProposalStatus(CategoryProposalStatus.REJECTED);
           String reason;
@@ -442,6 +448,7 @@ public class PostService {
             reason = "赞成率不足";
           }
           cp.setRejectReason(reason);
+          rejectReason = reason;
         }
         cp.setResultSnapshot(
           "approveVotes=" +
@@ -452,28 +459,37 @@ public class PostService {
             approvePercent
         );
         categoryProposalPostRepository.save(cp);
+        if (approved) {
+          categoryService.createCategory(cp.getProposedName(), cp.getDescription(), "star", null);
+        }
         if (cp.getAuthor() != null) {
           notificationService.createNotification(
             cp.getAuthor(),
-            NotificationType.POLL_RESULT_OWNER,
+            NotificationType.CATEGORY_PROPOSAL_RESULT_OWNER,
             cp,
             null,
+            approved,
             null,
             null,
-            null,
+            approved ? null : rejectReason
-            null
           );
         }
         for (User participant : cp.getParticipants()) {
+          if (
+            cp.getAuthor() != null &&
+            java.util.Objects.equals(participant.getId(), cp.getAuthor().getId())
+          ) {
+            continue;
+          }
           notificationService.createNotification(
             participant,
-            NotificationType.POLL_RESULT_PARTICIPANT,
+            NotificationType.CATEGORY_PROPOSAL_RESULT_PARTICIPANT,
             cp,
             null,
+            approved,
             null,
             null,
-            null,
+            approved ? null : rejectReason
-            null
           );
         }
         postChangeLogService.recordVoteResult(cp);
@@ -576,6 +592,9 @@ public class PostService {
     pollPostRepository
       .findById(postId)
       .ifPresent(pp -> {
+        if (pp instanceof CategoryProposalPost) {
+          return;
+        }
         if (pp.isResultAnnounced()) {
           return;
         }

frontend_nuxt/pages/index.vue

@@ -1,10 +1,5 @@
 <template>
   <div class="home-page">
-    <!-- <div v-if="!isMobile" class="search-container">
-      <div class="search-title">一切可能，从此刻启航，在此遇见灵感与共鸣</div>
-      <SearchDropdown />
-    </div> -->
-
     <div class="topic-container">
       <div class="topic-item-container">
         <div
@@ -117,7 +112,7 @@
       </div>
       <div v-else class="placeholder-container">分类浏览功能开发中，敬请期待。</div>
 
-      <!-- ✅ 通用“底部加载更多”组件（自管 loading/observer/并发） -->
+      <!-- 通用“底部加载更多”组件（自管 loading/observer/并发） -->
       <InfiniteLoadMore
         v-if="articles.length > 0"
         :key="ioKey"

frontend_nuxt/pages/message.vue

@@ -75,7 +75,9 @@
                           @click="markRead(item.id)"
                           :to="`/posts/${item.post.id}#comment-${item.parentComment.id}`"
                         >
-                          <span v-html="stripMarkdownWithTiebaMoji(item.parentComment.content, 500)"></span>
+                          <span
+                            v-html="stripMarkdownWithTiebaMoji(item.parentComment.content, 500)"
+                          ></span>
                         </NuxtLink>
                       </span>
                       回复了
@@ -85,7 +87,9 @@
                           @click="markRead(item.id)"
                           :to="`/posts/${item.post.id}#comment-${item.comment.id}`"
                         >
-                        <span v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"></span>
+                          <span
+                            v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"
+                          ></span>
                         </NuxtLink>
                       </span>
                     </NotificationContainer>
@@ -115,7 +119,9 @@
                           @click="markRead(item.id)"
                           :to="`/posts/${item.post.id}#comment-${item.comment.id}`"
                         >
-                        <span v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"></span>
+                          <span
+                            v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"
+                          ></span>
                         </NuxtLink>
                       </span>
                     </NotificationContainer>
@@ -162,7 +168,9 @@
                           @click="markRead(item.id)"
                           :to="`/posts/${item.post.id}#comment-${item.comment.id}`"
                         >
-                          <span v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"></span>
+                          <span
+                            v-html="stripMarkdownWithTiebaMoji(item.comment.content, 500)"
+                          ></span>
                         </NuxtLink>
                       </span>
                       进行了表态
@@ -251,6 +259,38 @@
                       已出结果
                     </NotificationContainer>
                   </template>
+                  <template v-else-if="item.type === 'CATEGORY_PROPOSAL_RESULT_OWNER'">
+                    <NotificationContainer :item="item" :markRead="markRead">
+                      你的分类提案
+                      <NuxtLink
+                        class="notif-content-text"
+                        @click="markRead(item.id)"
+                        :to="`/posts/${item.post.id}`"
+                      >
+                        {{ stripMarkdownLength(item.post.title, 100) }}
+                      </NuxtLink>
+                      <span v-if="item.approved">已通过</span>
+                      <span v-else>
+                        未通过<span v-if="item.content">，原因：{{ item.content }}</span>
+                      </span>
+                    </NotificationContainer>
+                  </template>
+                  <template v-else-if="item.type === 'CATEGORY_PROPOSAL_RESULT_PARTICIPANT'">
+                    <NotificationContainer :item="item" :markRead="markRead">
+                      你参与的分类提案
+                      <NuxtLink
+                        class="notif-content-text"
+                        @click="markRead(item.id)"
+                        :to="`/posts/${item.post.id}`"
+                      >
+                        {{ stripMarkdownLength(item.post.title, 100) }}
+                      </NuxtLink>
+                      <span v-if="item.approved">已通过</span>
+                      <span v-else>
+                        未通过<span v-if="item.content">，原因：{{ item.content }}</span>
+                      </span>
+                    </NotificationContainer>
+                  </template>
                   <template v-else-if="item.type === 'POST_UPDATED'">
                     <NotificationContainer :item="item" :markRead="markRead">
                       您关注的帖子
@@ -287,7 +327,9 @@
                         @click="markRead(item.id)"
                         :to="`/posts/${item.post.id}#comment-${item.parentComment.id}`"
                       >
-                        <span v-html="stripMarkdownWithTiebaMoji(item.parentComment.content, 500)"></span>                      
+                        <span
+                          v-html="stripMarkdownWithTiebaMoji(item.parentComment.content, 500)"
+                        ></span>
                       </NuxtLink>
                       回复了
                       <NuxtLink
@@ -775,6 +817,10 @@ const formatType = (t) => {
       return '发布的投票结果已公布'
     case 'POLL_RESULT_PARTICIPANT':
       return '参与的投票结果已公布'
+    case 'CATEGORY_PROPOSAL_RESULT_OWNER':
+      return '分类提案结果已公布'
+    case 'CATEGORY_PROPOSAL_RESULT_PARTICIPANT':
+      return '参与的分类提案结果已公布'
     default:
       return t
   }

frontend_nuxt/utils/notification.js

@@ -28,6 +28,8 @@ const iconMap = {
   POLL_VOTE: 'ChartHistogram',
   POLL_RESULT_OWNER: 'RankingList',
   POLL_RESULT_PARTICIPANT: 'ChartLine',
+  CATEGORY_PROPOSAL_RESULT_OWNER: 'TagOne',
+  CATEGORY_PROPOSAL_RESULT_PARTICIPANT: 'TagOne',
   MENTION: 'HashtagKey',
   POST_DELETED: 'ClearIcon',
   POST_FEATURED: 'Star',
@@ -254,7 +256,9 @@ function createFetchNotifications() {
         } else if (
           n.type === 'POLL_VOTE' ||
           n.type === 'POLL_RESULT_OWNER' ||
-          n.type === 'POLL_RESULT_PARTICIPANT'
+          n.type === 'POLL_RESULT_PARTICIPANT' ||
+          n.type === 'CATEGORY_PROPOSAL_RESULT_OWNER' ||
+          n.type === 'CATEGORY_PROPOSAL_RESULT_PARTICIPANT'
         ) {
           arr.push({
             ...n,