add wechat alarm notify, refactor code

alerter/src/main/java/org/dromara/hertzbeat/alert/service/impl/AlertDefineServiceImpl.java

@@ -109,7 +109,9 @@ public Page<AlertDefine> getMonitorBindAlertDefines(Specification<AlertDefine> s
     public void applyBindAlertDefineMonitors(Long alertId, List<AlertDefineMonitorBind> alertDefineBinds) {
         // todo checks whether the alarm definition and monitoring exist
         // todo 校验此告警定义和监控是否存在
-
+        if (!alertDefineBindDao.existsById(alertId)){
+            alertDefineBindDao.deleteAlertDefineBindsByAlertDefineIdEquals(alertId);
+        }
         // Delete all associations of this alarm
         alertDefineBindDao.deleteAlertDefineBindsByAlertDefineIdEquals(alertId);
         // Save the associated

manager/src/main/java/org/dromara/hertzbeat/manager/component/alerter/impl/WeChatAlertNotifyHandlerImpl.java

@@ -20,15 +20,88 @@
 import org.dromara.hertzbeat.common.entity.alerter.Alert;
 import org.dromara.hertzbeat.common.entity.manager.NoticeReceiver;
 import org.dromara.hertzbeat.common.entity.manager.NoticeTemplate;
-import org.dromara.hertzbeat.manager.component.alerter.AlertNotifyHandler;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.net.URI;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
 
 /**
  * @author <a href="mailto:Musk.Chen@fanruan.com">Musk.Chen</a>
  */
 final class WeChatAlertNotifyHandlerImpl extends AbstractAlertNotifyHandlerImpl {
+    private static final Logger log = LoggerFactory.getLogger(WeChatAlertNotifyHandlerImpl.class);
+    private static final String CORP_ID = "YOUR_CORP_ID";
+    private static final String CORP_SECRET = "YOUR_CORP_SECRET";
+    private static final String AGENT_ID = "YOUR_AGENT_ID";
+    private static final String GET_TOKEN_URL = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=" + CORP_ID + "&corpsecret=" + CORP_SECRET;
+    private static final String SEND_MESSAGE_URL = "https://qyapi.weixin.qq.com/cgi-bin/message/send?access_token=";
+    private static final String ACCESS_TOKEN = "access_token";
+
     @Override
     public void send(NoticeReceiver receiver, NoticeTemplate noticeTemplate, Alert alert) {
-        // todo
+        try {
+            String accessToken = getAccessToken();
+            String messageContent = constructMessageContent(receiver, noticeTemplate, alert);
+            sendMessage(accessToken, messageContent);
+        } catch (Exception e) {
+            log.error("Failed to send WeChat alert", e);
+        }
+    }
+
+    private String getAccessToken() throws Exception {
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(new URI(GET_TOKEN_URL))
+                .GET()
+                .build();
+        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        JsonParser parser = new JsonParser();
+        JsonObject jsonObject = parser.parse(response.body()).getAsJsonObject();
+        String accessToken = null;
+        if (jsonObject.has(ACCESS_TOKEN)) {
+            accessToken = jsonObject.get(ACCESS_TOKEN).getAsString();
+        } else {
+            // todo 处理错误情况，例如记录日志或抛出异常
+            log.error("Failed to obtain ACCESS_TOKEN from response: {}", response.body());
+        }
+
+        return accessToken;
+    }
+
+    private String constructMessageContent(NoticeReceiver receiver, NoticeTemplate noticeTemplate, Alert alert) {
+        // 示例：构造一个文本消息内容
+        JsonObject messageContent = new JsonObject();
+        messageContent.addProperty("msgtype", "text");
+        JsonObject textContent = new JsonObject();
+
+        // 这里可以根据NoticeTemplate和Alert信息构造消息内容
+        String alertMessage = String.format("警告：%s\n详情：%s", alert.getAlertDefineId(), alert.getContent());
+        textContent.addProperty("content", alertMessage);
+        messageContent.add("text", textContent);
+
+        // 如果需要@某人，可以在这里添加
+        JsonObject atInfo = new JsonObject();
+        atInfo.addProperty("isAtAll", false); // 是否@所有人
+        messageContent.add("at", atInfo);
+
+        // 返回JSON字符串
+        return messageContent.toString();
+    }
+
+    private void sendMessage(String accessToken, String messageContent) throws Exception {
+        HttpClient client = HttpClient.newHttpClient();
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(new URI(SEND_MESSAGE_URL + accessToken))
+                .header("Content-Type", "application/json")
+                .POST(HttpRequest.BodyPublishers.ofString(messageContent))
+                .build();
+        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
+        // 检查消息是否成功发送
+        log.info("Message sent response: {}", response.body());
     }
 
     @Override

manager/src/main/java/org/dromara/hertzbeat/manager/controller/MonitorsController.java

@@ -211,12 +211,10 @@ public ResponseEntity<Message<Void>> export(MultipartFile file) throws Exception
 	@Operation(summary = "copy monitors by ids", description = "根据id批量复制monitor")
 	public ResponseEntity<Message<Void>> duplicateMonitors(
 			@Parameter(description = "Monitor ID List | 监控任务ID列表", example = "6565463543") @RequestParam List<Long> ids
-	) throws Exception {
+	){
 		if (ids != null && !ids.isEmpty()) {
 			monitorService.copyMonitors(ids);
 		}
 		return ResponseEntity.ok(Message.success("copy success"));
 	}
-
-
 }