feat: Support YZJ notification provider (#5686)

Co-authored-by: Frank Elsinga <frank@elsinga.de>

server/notification-providers/yzj.js

@@ -0,0 +1,57 @@
+const NotificationProvider = require("./notification-provider");
+const { DOWN, UP } = require("../../src/util");
+const { default: axios } = require("axios");
+
+class YZJ extends NotificationProvider {
+    name = "YZJ";
+
+    /**
+     * @inheritdoc
+     */
+    async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
+        let okMsg = "Sent Successfully.";
+
+        try {
+            if (heartbeatJSON !== null) {
+                msg = `${this.statusToString(heartbeatJSON["status"])} ${monitorJSON["name"]} \n> ${heartbeatJSON["msg"]}\n> Time (${heartbeatJSON["timezone"]}): ${heartbeatJSON["localDateTime"]}`;
+            }
+
+            const config = {
+                headers: {
+                    "Content-Type": "application/json",
+                },
+            };
+            const params = {
+                content: msg
+            };
+            // yzjtype=0 => general robot
+            const url = `${notification.yzjWebHookUrl}?yzjtype=0&yzjtoken=${notification.yzjToken}`;
+
+            const result = await axios.post(url, params, config);
+            if (!result.data?.success) {
+                throw new Error(result.data?.errmsg ?? "yzj's server did not respond with the expected result");
+            }
+            return okMsg;
+        } catch (error) {
+            this.throwGeneralAxiosError(error);
+        }
+    }
+
+    /**
+     * Convert status constant to string
+     * @param {string} status The status constant
+     * @returns {string} status
+     */
+    statusToString(status) {
+        switch (status) {
+            case DOWN:
+                return "❌";
+            case UP:
+                return "✅";
+            default:
+                return status;
+        }
+    }
+}
+
+module.exports = YZJ;