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windkh · May 13, 2021 · 92c2859 · 92c2859
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
+# [9.4.2] - 2021-05-13
+### added workaround for editMessageMedia support as sending local files does not work
+- workaround for - [#178](https://github.com/windkh/node-red-contrib-telegrambot/issues/178)
+- created issue - https://github.com/yagop/node-telegram-bot-api/issues/876
+
 # [9.4.1] - 2021-05-06
 ### added editMessageMedia support
 

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "node-red-contrib-telegrambot",
-    "version": "9.4.1",
+    "version": "9.4.2",
     "description": "Telegram bot nodes for Node-RED",
     "dependencies": {
         "bluebird": "^3.5.1",

diff --git a/telegrambot/99-telegrambot.js b/telegrambot/99-telegrambot.js
@@ -1918,7 +1918,6 @@ module.exports = function (RED) {
                         // 2 arguments: content, options
                         case 'editMessageCaption':
                         case 'editMessageText':
-                        case 'editMessageMedia':
                         case 'editMessageReplyMarkup':
                             if (this.hasContent(msg)) {
                                 node.telegramBot[type](msg.payload.content, msg.payload.options)
@@ -1930,6 +1929,20 @@ module.exports = function (RED) {
                                     });
                             }
                             break;
+
+                        // TODO: https://github.com/windkh/node-red-contrib-telegrambot/issues/178
+                        // https://github.com/yagop/node-telegram-bot-api/issues/876
+                        case 'editMessageMedia':
+                            if (this.hasContent(msg)) {
+                                node.editMessageMedia(msg.payload.content, msg.payload.options)
+                                    .catch(function (ex) {
+                                        node.processError(ex, msg, nodeSend, nodeDone);
+                                    })
+                                    .then(function (result) {
+                                        node.processResult(result, msg, nodeSend, nodeDone);
+                                    });
+                            }
+                            break;
 
                         // 2 arguments: chatId , content
                         case 'setChatTitle':
@@ -2044,6 +2057,36 @@ module.exports = function (RED) {
             } // forward
         };
 
+        // TODO: https://github.com/windkh/node-red-contrib-telegrambot/issues/178
+        // TODO: https://github.com/yagop/node-telegram-bot-api/issues/876
+        this.editMessageMedia = function (media, form = {}){
+
+            const opts = {
+                qs: form,
+              };
+              opts.formData = {};
+
+            const payload = Object.assign({}, media);
+            delete payload.media;
+            delete payload.fileOptions;
+
+            try {
+                const attachName = String(0);
+                const [formData, fileId] = node.telegramBot._formatSendData(attachName, media.media, media.fileOptions);
+                if (formData) {
+                    opts.formData[attachName] = formData[attachName];
+                    payload.media = `attach://${attachName}`;
+                  } else {
+                    payload.media = fileId;
+                  }
+            } catch (ex) {
+                return Promise.reject(ex);
+            }
+
+            opts.qs.media = JSON.stringify(payload);
+            return node.telegramBot._request('editMessageMedia', opts);
+        }
+
         this.on('input', function (msg, nodeSend, nodeDone) {
             nodeSend =
                 nodeSend ||