feat: support sorting posts by views and comment count

api/src/main/java/run/halo/app/core/extension/content/Post.java

@@ -43,6 +43,9 @@ public class Post extends AbstractExtension {
         "content.halo.run/last-released-snapshot";
     public static final String LAST_ASSOCIATED_TAGS_ANNO = "content.halo.run/last-associated-tags";
 
+    public static final String COUNTER_VISIT_ANNO = "counter.visit";
+    public static final String COUNTER_COMMENT_ANNO = "counter.comment";
+
     public static final String DELETED_LABEL = "content.halo.run/deleted";
     public static final String PUBLISHED_LABEL = "content.halo.run/published";
     public static final String OWNER_LABEL = "content.halo.run/owner";

application/src/main/java/run/halo/app/core/extension/reconciler/PostCounterReconciler.java

@@ -0,0 +1,112 @@
+package run.halo.app.core.extension.reconciler;
+
+import java.util.Iterator;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArraySet;
+import org.springframework.boot.context.event.ApplicationStartedEvent;
+import org.springframework.context.event.EventListener;
+import org.springframework.data.domain.Sort;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+import run.halo.app.core.extension.Counter;
+import run.halo.app.core.extension.content.Post;
+import run.halo.app.event.post.PostChangeEvent;
+import run.halo.app.extension.ExtensionClient;
+import run.halo.app.extension.GroupVersionKind;
+import run.halo.app.extension.ListOptions;
+import run.halo.app.extension.controller.Controller;
+import run.halo.app.extension.controller.ControllerBuilder;
+import run.halo.app.extension.controller.Reconciler;
+import run.halo.app.extension.index.Indexer;
+import run.halo.app.extension.index.IndexerFactoryImpl;
+import run.halo.app.metrics.MeterUtils;
+
+
+@Component
+public class PostCounterReconciler implements Reconciler<Reconciler.Request> {
+
+    private final ExtensionClient client;
+
+    private final IndexerFactoryImpl indexerFactory;
+
+    private final Set<String> set;
+
+    public PostCounterReconciler(ExtensionClient client, IndexerFactoryImpl indexerFactory) {
+        this.client = client;
+        this.indexerFactory = indexerFactory;
+        this.set = new CopyOnWriteArraySet<>();
+    }
+
+    @Override
+    public Result reconcile(Request request) {
+        String name = request.name();
+        client.fetch(Counter.class, name).ifPresent(counter -> {
+            set.add(getPostName(name));
+        });
+        return Result.doNotRetry();
+    }
+
+
+    @Scheduled(cron = "0/3 * * * * ?")
+    public void handleSetRequest() {
+        Iterator<String> iterator = set.iterator();
+        while (iterator.hasNext()) {
+            String name = iterator.next();
+            updateCounter(name);
+            set.remove(name);
+        }
+    }
+
+    private void updateCounter(String postName) {
+
+        client.fetch(Post.class, postName)
+            .ifPresent(post -> {
+                client.fetch(Counter.class,
+                        MeterUtils.nameOf(Post.class, post.getMetadata().getName()))
+                    .ifPresent(queryCounter -> {
+                        post.getMetadata().getAnnotations()
+                            .put(Post.COUNTER_VISIT_ANNO, queryCounter.getVisit().toString());
+                        post.getMetadata().getAnnotations()
+                            .put(Post.COUNTER_COMMENT_ANNO,
+                                queryCounter.getTotalComment().toString());
+                        updateIndexByPost(post);
+                    });
+            });
+    }
+
+    public void updateIndexByPost(Post post) {
+        GroupVersionKind gvk = GroupVersionKind.fromExtension(Post.class);
+        Indexer indexer = indexerFactory.getIndexer(gvk);
+        indexer.updateRecord(post);
+    }
+
+    @Override
+    public Controller setupWith(ControllerBuilder builder) {
+        return builder
+            .extension(new Counter())
+            .syncAllOnStart(false).build();
+    }
+
+    @EventListener(ApplicationStartedEvent.class)
+    public void preBuildCounterIndexes() {
+        client.listAll(Counter.class, new ListOptions(), Sort.unsorted()).forEach(counter -> {
+            client.fetch(Post.class, getPostName(counter.getMetadata().getName()))
+                .ifPresent(post -> {
+                    post.getMetadata().getAnnotations()
+                        .put(Post.COUNTER_VISIT_ANNO, counter.getVisit().toString());
+                    post.getMetadata().getAnnotations()
+                        .put(Post.COUNTER_COMMENT_ANNO, counter.getTotalComment().toString());
+                    updateIndexByPost(post);
+                });
+        });
+    }
+
+    @EventListener(PostChangeEvent.class)
+    public void onPostChanged(PostChangeEvent event) {
+        set.add(event.getName());
+    }
+
+    public String getPostName(String counterName) {
+        return counterName.split("/")[1];
+    }
+}

application/src/main/java/run/halo/app/core/extension/reconciler/PostReconciler.java

@@ -33,6 +33,7 @@
 import run.halo.app.core.extension.content.Post.VisibleEnum;
 import run.halo.app.core.extension.content.Snapshot;
 import run.halo.app.core.extension.notification.Subscription;
+import run.halo.app.event.post.PostChangeEvent;
 import run.halo.app.event.post.PostDeletedEvent;
 import run.halo.app.event.post.PostPublishedEvent;
 import run.halo.app.event.post.PostUnpublishedEvent;
@@ -83,6 +84,7 @@ public class PostReconciler implements Reconciler<Reconciler.Request> {
     @Override
     public Result reconcile(Request request) {
         var events = new HashSet<ApplicationEvent>();
+        events.add(new PostChangeEvent(this, request.name()));
         client.fetch(Post.class, request.name())
             .ifPresent(post -> {
                 if (ExtensionOperator.isDeleted(post)) {

application/src/main/java/run/halo/app/event/post/PostChangeEvent.java

@@ -0,0 +1,17 @@
+package run.halo.app.event.post;
+
+import org.springframework.context.ApplicationEvent;
+
+public class PostChangeEvent extends ApplicationEvent implements PostEvent {
+    private final String name;
+
+    public PostChangeEvent(Object source, String post) {
+        super(source);
+        this.name = post;
+    }
+
+    @Override
+    public String getName() {
+        return this.name;
+    }
+}

application/src/main/java/run/halo/app/infra/SchemeInitializer.java

@@ -182,6 +182,19 @@ public void onApplicationEvent(@NonNull ApplicationContextInitializedEvent event
                     // do not care about the false case so return null to avoid indexing
                     return null;
                 })));
+
+            indexSpecs.add(new IndexSpec()
+                .setName(Post.COUNTER_VISIT_ANNO)
+                .setIndexFunc(
+                    simpleAttribute(Post.class,
+                        post -> post.getMetadata().getAnnotations().get(Post.COUNTER_VISIT_ANNO))));
+
+            indexSpecs.add(new IndexSpec()
+                .setName(Post.COUNTER_COMMENT_ANNO)
+                .setIndexFunc(
+                    simpleAttribute(Post.class,
+                        post -> post.getMetadata().getAnnotations()
+                            .get(Post.COUNTER_COMMENT_ANNO))));
         });
         schemeManager.register(Category.class, indexSpecs -> {
             indexSpecs.add(new IndexSpec()

ui/console-src/modules/contents/posts/PostList.vue

@@ -420,6 +420,14 @@ watch(selectedPostNames, (newValue) => {
                     label: t('core.post.filters.sort.items.create_time_asc'),
                     value: 'metadata.creationTimestamp,asc',
                   },
+                  {
+                    label: t('core.post.filters.sort.items.visit_desc'),
+                    value: 'counter.visit,desc',
+                  },
+                  {
+                    label: t('core.post.filters.sort.items.comment_desc'),
+                    value: 'counter.comment,desc',
+                  },
                 ]"
               />
               <div class="flex flex-row gap-2">

ui/src/locales/en.yaml

@@ -217,6 +217,8 @@ core:
           publish_time_asc: Earliest Published
           create_time_desc: Latest Created
           create_time_asc: Earliest Created
+          visit_desc: Most Visits
+          comment_desc: Most Comments
     list:
       fields:
         categories: "Categories:"

ui/src/locales/es.yaml

@@ -179,6 +179,8 @@ core:
           publish_time_asc: Publicado más antiguo
           create_time_desc: Creado más reciente
           create_time_asc: Creado más antiguo
+          visit_desc: Máximo de visitas
+          comment_desc: Número máximo de comentarios
     list:
       fields:
         categories: "Categorías:"

ui/src/locales/zh-CN.yaml

@@ -209,6 +209,8 @@ core:
           publish_time_asc: 较早发布
           create_time_desc: 较近创建
           create_time_asc: 较早创建
+          visit_desc: 最多访问量
+          comment_desc: 最多评论量
     list:
       fields:
         categories: 分类：

ui/src/locales/zh-TW.yaml

@@ -209,6 +209,8 @@ core:
           publish_time_asc: 較早發布
           create_time_desc: 較近創建
           create_time_asc: 較早創建
+          visit_desc: 最多訪問量
+          comment_desc: 最多評論量
     list:
       fields:
         categories: 分類：