服务启动时减少io操作

chat2db-server/chat2db-server-start/src/main/java/ai/chat2db/server/start/config/util/CopyTemplate.java

@@ -21,14 +21,9 @@ public class CopyTemplate {
     /**
      * 模板文件
      **/
-    public static final List<String> TEMPLATE_FILE = Arrays.asList("template.html", "template_diy.docx", "sub_template_diy.docx");
+    private static final List<String> TEMPLATE_FILE = Arrays.asList("template.html", "template_diy.docx", "sub_template_diy.docx");
 
-    static {
-        //复制模板
-        copyTemplateFile();
-    }
-
-    public static void copyTemplateFile() {
+    public void copyTemplateFile() {
         String templateDir = ConfigUtils.CONFIG_BASE_PATH + File.separator + "template";
         File file = new File(templateDir);
         if (!file.exists()) {
@@ -39,7 +34,7 @@ public class CopyTemplate {
         }
     }
 
-    public static void saveFile(String dir, String path, boolean isOverride) {
+    public void saveFile(String dir, String path, boolean isOverride) {
         if (!isOverride) {
             File file = new File(dir + File.separator + path);
             if (file.exists()) {

chat2db-server/chat2db-server-start/src/main/java/ai/chat2db/server/start/listener/TemplateListener.java

@@ -0,0 +1,26 @@
+package ai.chat2db.server.start.listener;
+
+import ai.chat2db.server.start.config.util.CopyTemplate;
+import ai.chat2db.server.web.api.controller.rdb.doc.event.TemplateEvent;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.event.EventListener;
+import org.springframework.stereotype.Component;
+
+/**
+ * TemplateListener
+ *
+ * @author lzy
+ **/
+@Component
+public class TemplateListener {
+
+    @Autowired
+    private CopyTemplate copyTemplate;
+
+    @EventListener(classes = TemplateEvent.class)
+    public void copyTemplate() {
+        //复制模板
+        copyTemplate.copyTemplateFile();
+    }
+
+}

chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/RdbDocController.java

@@ -11,6 +11,7 @@ import ai.chat2db.server.web.api.aspect.ConnectionInfoAspect;
 import ai.chat2db.server.web.api.controller.rdb.converter.RdbWebConverter;
 import ai.chat2db.server.web.api.controller.rdb.doc.DatabaseExportService;
 import ai.chat2db.server.web.api.controller.rdb.doc.conf.ExportOptions;
+import ai.chat2db.server.web.api.controller.rdb.doc.event.TemplateEvent;
 import ai.chat2db.server.web.api.controller.rdb.factory.ExportServiceFactory;
 import ai.chat2db.server.web.api.controller.rdb.request.DataExportRequest;
 import ai.chat2db.server.web.api.controller.rdb.vo.TableVO;
@@ -20,6 +21,7 @@ import jakarta.servlet.http.HttpServletResponse;
 import jakarta.validation.Valid;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.ApplicationContext;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.PostMapping;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -48,6 +50,9 @@ public class RdbDocController {
     @Autowired
     private RdbWebConverter rdbWebConverter;
 
+    @Autowired
+    private ApplicationContext applicationContext;
+
     /**
      * export data
      *
@@ -55,6 +60,8 @@ public class RdbDocController {
      */
     @PostMapping("/export")
     public void export(@Valid @RequestBody DataExportRequest request, HttpServletResponse response) throws Exception {
+        //复制模板
+        applicationContext.publishEvent(new TemplateEvent("copy"));
         ExportTypeEnum exportType = EasyEnumUtils.getEnum(ExportTypeEnum.class, request.getExportType());
         response.setCharacterEncoding("utf-8");
         String fileName = URLEncoder.encode(

chat2db-server/chat2db-server-web/chat2db-server-web-api/src/main/java/ai/chat2db/server/web/api/controller/rdb/doc/event/TemplateEvent.java

@@ -0,0 +1,14 @@
+package ai.chat2db.server.web.api.controller.rdb.doc.event;
+
+import org.springframework.context.ApplicationEvent;
+
+/**
+ * TemplateEvent
+ *
+ * @author lzy
+ **/
+public class TemplateEvent extends ApplicationEvent {
+    public TemplateEvent(String key) {
+        super(key);
+    }
+}