feat: opensearch init

backend/src/main/java/com/openisle/search/SearchIndexEventPublisher.java

@@ -0,0 +1,99 @@
+package com.openisle.search;
+
+import com.openisle.model.Category;
+import com.openisle.model.Comment;
+import com.openisle.model.Post;
+import com.openisle.model.PostStatus;
+import com.openisle.model.Tag;
+import com.openisle.model.User;
+import com.openisle.search.event.DeleteDocumentEvent;
+import com.openisle.search.event.IndexDocumentEvent;
+import lombok.RequiredArgsConstructor;
+import org.springframework.context.ApplicationEventPublisher;
+import org.springframework.stereotype.Component;
+
+@Component
+@RequiredArgsConstructor
+public class SearchIndexEventPublisher {
+
+  private final ApplicationEventPublisher publisher;
+  private final OpenSearchProperties properties;
+
+  public void publishPostSaved(Post post) {
+    if (!properties.isEnabled() || post == null || post.getStatus() != PostStatus.PUBLISHED) {
+      return;
+    }
+    SearchDocument document = SearchDocumentFactory.fromPost(post);
+    if (document != null) {
+      publisher.publishEvent(new IndexDocumentEvent(properties.postsIndex(), document));
+    }
+  }
+
+  public void publishPostDeleted(Long postId) {
+    if (!properties.isEnabled() || postId == null) {
+      return;
+    }
+    publisher.publishEvent(new DeleteDocumentEvent(properties.postsIndex(), postId));
+  }
+
+  public void publishCommentSaved(Comment comment) {
+    if (!properties.isEnabled() || comment == null) {
+      return;
+    }
+    SearchDocument document = SearchDocumentFactory.fromComment(comment);
+    if (document != null) {
+      publisher.publishEvent(new IndexDocumentEvent(properties.commentsIndex(), document));
+    }
+  }
+
+  public void publishCommentDeleted(Long commentId) {
+    if (!properties.isEnabled() || commentId == null) {
+      return;
+    }
+    publisher.publishEvent(new DeleteDocumentEvent(properties.commentsIndex(), commentId));
+  }
+
+  public void publishUserSaved(User user) {
+    if (!properties.isEnabled() || user == null) {
+      return;
+    }
+    SearchDocument document = SearchDocumentFactory.fromUser(user);
+    if (document != null) {
+      publisher.publishEvent(new IndexDocumentEvent(properties.usersIndex(), document));
+    }
+  }
+
+  public void publishCategorySaved(Category category) {
+    if (!properties.isEnabled() || category == null) {
+      return;
+    }
+    SearchDocument document = SearchDocumentFactory.fromCategory(category);
+    if (document != null) {
+      publisher.publishEvent(new IndexDocumentEvent(properties.categoriesIndex(), document));
+    }
+  }
+
+  public void publishCategoryDeleted(Long categoryId) {
+    if (!properties.isEnabled() || categoryId == null) {
+      return;
+    }
+    publisher.publishEvent(new DeleteDocumentEvent(properties.categoriesIndex(), categoryId));
+  }
+
+  public void publishTagSaved(Tag tag) {
+    if (!properties.isEnabled() || tag == null || !tag.isApproved()) {
+      return;
+    }
+    SearchDocument document = SearchDocumentFactory.fromTag(tag);
+    if (document != null) {
+      publisher.publishEvent(new IndexDocumentEvent(properties.tagsIndex(), document));
+    }
+  }
+
+  public void publishTagDeleted(Long tagId) {
+    if (!properties.isEnabled() || tagId == null) {
+      return;
+    }
+    publisher.publishEvent(new DeleteDocumentEvent(properties.tagsIndex(), tagId));
+  }
+}