From 709e3f3867f87a12220f99a546aca4ab7b7608a3 Mon Sep 17 00:00:00 2001
From: L_DelOff <l_deloff@ldeloff.ru>
Date: Sun, 18 Jan 2026 17:54:34 +0300
Subject: [PATCH] tools

---
 .../telegrambot/service/LlmService.java       | 12 ++++++++--
 .../telegrambot/tool/DateTimeTool.java        | 22 +++++++++++++++++++
 2 files changed, 32 insertions(+), 2 deletions(-)
 create mode 100644 aitools/src/main/java/ru/ldeloff/aitools/telegrambot/tool/DateTimeTool.java

diff --git a/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/service/LlmService.java b/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/service/LlmService.java
index 33abd9d..7607044 100644
--- a/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/service/LlmService.java
+++ b/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/service/LlmService.java
@@ -6,8 +6,12 @@ import org.springframework.ai.chat.messages.Message;
 import org.springframework.ai.chat.prompt.Prompt;
 import org.springframework.ai.openai.OpenAiChatModel;
 import org.springframework.ai.openai.OpenAiChatOptions;
+import org.springframework.ai.openai.api.OpenAiApi;
 import org.springframework.ai.openai.api.ResponseFormat;
+import org.springframework.ai.support.ToolCallbacks;
+import org.springframework.ai.tool.ToolCallback;
 import org.springframework.stereotype.Service;
+import ru.ldeloff.aitools.telegrambot.tool.DateTimeTool;
 
 import java.util.List;
 
@@ -18,12 +22,16 @@ public class LlmService {
     private final OpenAiChatModel model;
 
     public List<String> sendMessages(List<Message> messages) {
-        return model.call(
+        return model
+                .call(
                 new Prompt(
                         messages,
                         OpenAiChatOptions.builder()
                                 .temperature(0.1)
-                                .responseFormat(ResponseFormat.builder().type(ResponseFormat.Type.TEXT).build())
+                                .toolCallbacks(ToolCallbacks.from(new DateTimeTool()))
+                                .responseFormat(
+                                        ResponseFormat.builder().type(ResponseFormat.Type.TEXT).build()
+                                )
                                 .build()
 
                 )
diff --git a/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/tool/DateTimeTool.java b/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/tool/DateTimeTool.java
new file mode 100644
index 0000000..3ed5526
--- /dev/null
+++ b/aitools/src/main/java/ru/ldeloff/aitools/telegrambot/tool/DateTimeTool.java
@@ -0,0 +1,22 @@
+package ru.ldeloff.aitools.telegrambot.tool;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.ai.tool.annotation.Tool;
+import org.springframework.ai.tool.annotation.ToolParam;
+
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.format.DateTimeFormatter;
+
+@Slf4j
+public class DateTimeTool {
+
+    @Tool(description = "Returns current date and time in the given timezone. Default: Europe/Moscow. Use IANA timezone IDs (e.g., America/New_York, Asia/Tokyo).")
+    String getCurrentDateTime(@ToolParam(description = "IANA timezone ID (e.g., Europe/Moscow, America/New_York). Default: Europe/Moscow") String timezone) {
+        log.info("getTime called for timezone: {}", timezone);
+        ZoneId zoneId = ZoneId.of(timezone==null ? "Europe/Moscow" : timezone);
+        LocalDateTime now = LocalDateTime.now(zoneId);
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        return now.format(formatter);
+    }
+}