Add support for FM-DX Server Map

fmdx_list.js

@@ -0,0 +1,101 @@
+/* Libraries / Imports */
+const fs = require('fs');
+const { logDebug, logError, logInfo, logWarn } = require('./console');
+const { serverConfig, configUpdate, configSave } = require('./server_config')
+
+let timeoutID = null;
+
+function send(request) {
+  const url = "https://list.fmdx.pl/api/";
+
+  const options = {
+    method: 'POST',
+    headers: {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json'
+    },
+    body: JSON.stringify(request)
+  };
+
+  fetch(url, options)
+    .then(response => response.json())
+    .then(data => {
+        if (data.success && data.token)
+        {
+          if (!serverConfig.identification.token)
+          {
+            logInfo("Succesfully registered in FM-DX Server Map.");
+            serverConfig.identification.token = data.token;
+            configSave();
+          }
+          else
+          {
+            logInfo("Succesfully updated FM-DX Server Map.");
+          }
+        }
+        else
+        {
+          logWarn("Failed to update FM-DX Server Map: " + (data.error ? data.error : 'unknown error'));
+        }
+    })
+    .catch(error => {
+        logWarn("Failed to update FM-DX Server Map: " + error);
+    });
+}
+
+function sendKeepalive() {
+  if (!serverConfig.identification.token)
+  {
+    return;
+  }
+
+  const request = {
+    token: serverConfig.identification.token,
+    status: (serverConfig.lockToAdmin ? 2 : 1)
+  };
+
+  send(request);
+}
+
+function sendUpdate() {
+  const request = {
+    status: (serverConfig.lockToAdmin ? 2 : 1),
+    coords: [serverConfig.identification.lat, serverConfig.identification.lon],
+    name: serverConfig.identification.tunerName,
+    desc: serverConfig.identification.tunerDesc
+  };
+
+  if (serverConfig.identification.token)
+  {
+    request.token = serverConfig.identification.token;
+  }
+
+  if (serverConfig.identification.proxyIp.length)
+  {
+    request.url = serverConfig.identification.proxyIp;
+  }
+  else
+  {
+    request.port = serverConfig.webserver.webserverPort;
+  }
+
+  send(request);
+}
+
+function update() {
+  if (timeoutID !== null) {
+      clearTimeout(timeoutID);
+  }
+
+  if (!serverConfig.identification.broadcastTuner)
+  {
+    return;
+  }
+
+  sendUpdate();
+  timeoutID = setInterval(sendKeepalive, 5 * 60 * 1000);
+}
+
+module.exports = {
+    update
+};