feat: opensearch init

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

@@ -0,0 +1,61 @@
+package com.openisle.search;
+
+import lombok.Getter;
+import lombok.Setter;
+import org.springframework.boot.context.properties.ConfigurationProperties;
+
+@Getter
+@Setter
+@ConfigurationProperties(prefix = "app.search")
+public class OpenSearchProperties {
+
+  private boolean enabled = false;
+  private String host = "localhost";
+  private int port = 9200;
+  private String scheme = "http";
+  private String username;
+  private String password;
+  private String indexPrefix = "openisle";
+  private boolean initialize = true;
+  private int highlightFragmentSize = 200;
+
+  private Indices indices = new Indices();
+
+  public String postsIndex() {
+    return indexName(indices.posts);
+  }
+
+  public String commentsIndex() {
+    return indexName(indices.comments);
+  }
+
+  public String usersIndex() {
+    return indexName(indices.users);
+  }
+
+  public String categoriesIndex() {
+    return indexName(indices.categories);
+  }
+
+  public String tagsIndex() {
+    return indexName(indices.tags);
+  }
+
+  private String indexName(String suffix) {
+    if (indexPrefix == null || indexPrefix.isBlank()) {
+      return suffix;
+    }
+    return indexPrefix + "-" + suffix;
+  }
+
+  @Getter
+  @Setter
+  public static class Indices {
+
+    private String posts = "posts";
+    private String comments = "comments";
+    private String users = "users";
+    private String categories = "categories";
+    private String tags = "tags";
+  }
+}