Implement get-folders

sample/get-folders.js

@@ -0,0 +1,33 @@
+const { Api, TelegramClient } = require("telegram");
+
+module.exports = function (RED) {
+  function GetFolders(config) {
+    RED.nodes.createNode(this, config);
+    this.config = RED.nodes.getNode(config.config);
+    var node = this;
+
+    this.on("input", async function (msg) {
+      /** @type {TelegramClient} */
+      const client = msg.payload?.client
+        ? msg.payload.client
+        : this.config.client;
+
+      try {
+        const { filters } = await client.invoke(
+          new Api.messages.GetDialogFilters({})
+        );
+
+        // Send folder list as output
+        node.send({
+          payload: { folders: filters },
+        });
+      } catch (err) {
+        // Handle errors
+        node.error("Error fetching folders: " + err.message);
+      }
+    });
+  }
+
+  // Register the custom node with Node-RED
+  RED.nodes.registerType("get-folders", GetFolders);
+};