add alarm service

src/main/java/com/nanyan/securitylink/config/AppConfig.java

+package com.nanyan.securitylink.config;
+
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.cloud.context.config.annotation.RefreshScope;
+import org.springframework.context.annotation.Configuration;
+
+
+@Slf4j
+@RefreshScope
+@Configuration
+public class AppConfig {
+    @Value("${alert.host}")
+    String alertHost;
+
+    public String getAlertHost() {
+        return alertHost;
+    }
+}

src/main/java/com/nanyan/securitylink/entity/Response.java

+package com.nanyan.securitylink.entity;
+
+import com.nanyan.securitylink.common.MsgCode;
+
+public class Response<T> {
+    String msg;
+    int code;
+    T data;
+
+    public static Response getResponse(MsgCode msgCode){
+        Response response = new Response();
+        response.setCode(msgCode.getCode());
+        response.setMsg(msgCode.getMsg());
+        return response;
+    }
+
+    public static Response getResponse(int code, String msg){
+        Response response = new Response();
+        response.setCode(code);
+        response.setMsg(msg);
+        return response;
+    }
+
+    public static<T> Response<T> SUCCESS(T data){
+        Response response = new Response<T>();
+        response.setCode(MsgCode.SUCCESS.getCode());
+        response.setMsg(MsgCode.SUCCESS.getMsg());
+        response.setData(data);
+        return response;
+    }
+    public static<T> Response<T> FAILED(T data){
+        Response response = new Response();
+        response.setCode(MsgCode.FAILED.getCode());
+        response.setMsg(MsgCode.FAILED.getMsg());
+        response.setData(data);
+        return response;
+    }
+    public String getMsg() {
+        return msg;
+    }
+
+    public void setMsg(String msg) {
+        this.msg = msg;
+    }
+
+    public int getCode() {
+        return code;
+    }
+
+    public void setCode(int code) {
+        this.code = code;
+    }
+
+    public T getData() {
+        return data;
+    }
+
+    public void setData(T data) {
+        this.data = data;
+    }
+}

src/main/java/com/nanyan/securitylink/entity/WeChatMsg.java

+package com.nanyan.securitylink.entity;
+
+import lombok.Data;
+
+@Data
+public class WeChatMsg {
+    String msgtype;
+    MsgText text;
+    MsgText markdown;
+    public static class MsgText{
+        public String content;
+    }
+}

src/main/java/com/nanyan/securitylink/service/AlertService.java

+package com.nanyan.securitylink.service;
+
+import com.alibaba.fastjson.JSONObject;
+import com.nanyan.securitylink.config.AppConfig;
+import com.nanyan.securitylink.entity.WeChatMsg;
+import com.nanyan.securitylink.vo.Response;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpEntity;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestTemplate;
+
+import java.nio.charset.StandardCharsets;
+
+@Slf4j
+@Service
+public class AlertService {
+    @Autowired
+    RestTemplate restTemplate;
+    @Autowired
+    AppConfig appConfig;
+    public boolean sendAlertMsg(String msg){
+        WeChatMsg weChatMsg = buildAlertMsg(msg);
+        log.info("发送企业微信msg:{}", JSONObject.toJSONString(weChatMsg));
+        HttpEntity<String> entity = new HttpEntity<>(JSONObject.toJSONString(weChatMsg),getHeader().getHeaders());
+        ResponseEntity<Response> response = restTemplate.postForEntity(String.format("%s/api/v1/msg", appConfig.getAlertHost()), entity, Response.class);
+        log.info("发送企业微信返回:{}", JSONObject.toJSONString(response));
+        return true;
+    }
+
+    private WeChatMsg buildAlertMsg(String content) {
+        if(content.length()>4000){
+            content = content.substring(0,4000);
+        }
+        WeChatMsg weChatMsg = new WeChatMsg();
+        weChatMsg.setMsgtype("markdown");
+        WeChatMsg.MsgText msgText = new WeChatMsg.MsgText();
+        String builder = "## dify异常\n" +
+                ">内容:<font color=\"comment\"> " + content + "</font>\n";
+        msgText.content = builder;
+        weChatMsg.setMarkdown(msgText);
+        return weChatMsg;
+    }
+
+    private HttpEntity getHeader(){
+        HttpHeaders httpHeaders = new HttpHeaders();
+        httpHeaders.set("Content-Type","application/json");
+        return new HttpEntity<>(httpHeaders);
+    }
+}