Add support for Pushdeer notifications

server/notification-providers/pushdeer.js

@@ -0,0 +1,52 @@
+const NotificationProvider = require("./notification-provider");
+const axios = require("axios");
+const { DOWN, UP } = require("../../src/util");
+
+class Pushdeer extends NotificationProvider {
+
+    name = "Pushdeer";
+
+    async send(notification, msg, monitorJSON = null, heartbeatJSON = null) {
+        let okMsg = "Sent Successfully.";
+        let pushdeerlink = "https://api2.pushdeer.com/message/push";
+
+        let valid = msg != null && monitorJSON != null && heartbeatJSON != null;
+
+        let title;
+        if (valid && heartbeatJSON.status == UP) {
+            title = "## UptimeKuma: " + monitorJSON.name + " up";
+        } else if (valid && heartbeatJSON.status == DOWN) {
+            title = "## UptimeKuma: " + monitorJSON.name + " down";
+        } else {
+            title = "## UptimeKuma Message";
+        }
+
+        let data = {
+            "pushkey": notification.pushdeerKey,
+            "text": title,
+            "desp": msg.replace(/\n/g, "\n\n"),
+            "type": "markdown",
+        };
+
+        try {
+            let res = await axios.post(pushdeerlink, data);
+
+            if ("error" in res.data) {
+                let error = res.data.error;
+                this.throwGeneralAxiosError(error);
+            }
+            if (res.data.content.result.length === 0) {
+                let error = "Invalid Pushdeer key";
+                this.throwGeneralAxiosError(error);
+            } else if (JSON.parse(res.data.content.result[0]).success != "ok") {
+                let error = "Unknown error";
+                this.throwGeneralAxiosError(error);
+            }
+            return okMsg;
+        } catch (error) {
+            this.throwGeneralAxiosError(error);
+        }
+    }
+}
+
+module.exports = Pushdeer;