add support for stackfield notifications

server/notification-providers/stackfield.js

@@ -0,0 +1,41 @@
+const NotificationProvider = require("./notification-provider");
+const axios = require("axios");
+const { setting } = require("../util-server");
+const { getMonitorRelativeURL } = require("../../src/util");
+
+class Stackfield extends NotificationProvider {
+
+    name = "stackfield";
+
+    async send(notification, msg, monitorJSON = null) {
+        let okMsg = "Sent Successfully.";
+        try {
+            // Stackfield message formatting: https://www.stackfield.com/help/formatting-messages-2001
+
+            let textMsg = "+Uptime Kuma Alert+";
+
+            if (monitorJSON && monitorJSON.name) {
+                textMsg += `\n*${monitorJSON.name}*`;
+            }
+
+            textMsg += `\n${msg}`;
+
+            const baseURL = await setting("primaryBaseURL");
+            if (baseURL) {
+                textMsg += `\n${baseURL + getMonitorRelativeURL(monitorJSON.id)}`;
+            }
+
+            const data = {
+                "Title": textMsg,
+            };
+
+            await axios.post(notification.stackfieldwebhookURL, data);
+            return okMsg;
+        } catch (error) {
+            this.throwGeneralAxiosError(error);
+        }
+
+    }
+}
+
+module.exports = Stackfield;