From 45160a2e73c6f1b1ad2c6304362ce014f46b150c Mon Sep 17 00:00:00 2001
From: Laurent Cozic <laurent@cozic.net>
Date: Sat, 20 Jun 2020 02:30:09 +0100
Subject: [PATCH] Desktop: API: Add support for external editing from API

---
 .../lib/services/ExternalEditWatcher.js       | 15 ++++++++++++
 ReactNativeClient/lib/services/rest/Api.js    | 23 +++++++++++++++++++
 2 files changed, 38 insertions(+)

diff --git a/ReactNativeClient/lib/services/ExternalEditWatcher.js b/ReactNativeClient/lib/services/ExternalEditWatcher.js
index 8e77fca7a1..d3075b02df 100644
--- a/ReactNativeClient/lib/services/ExternalEditWatcher.js
+++ b/ReactNativeClient/lib/services/ExternalEditWatcher.js
@@ -26,6 +26,21 @@ class ExternalEditWatcher {
 		return this.instance_;
 	}
 
+	externalApi() {
+		return {
+			openAndWatch: async ({ noteId }) => {
+				const note = await Note.load(noteId);
+				return this.openAndWatch(note);
+			},
+			stopWatching: async ({ noteId }) => {
+				return this.stopWatching(noteId);
+			},
+			noteIsWatched: async ({ noteId }) => {
+				return this.noteIsWatched(noteId);
+			},
+		};
+	}
+
 	tempDir() {
 		return Setting.value('profileDir');
 	}
diff --git a/ReactNativeClient/lib/services/rest/Api.js b/ReactNativeClient/lib/services/rest/Api.js
index 806fb3e953..6e5ed0af56 100644
--- a/ReactNativeClient/lib/services/rest/Api.js
+++ b/ReactNativeClient/lib/services/rest/Api.js
@@ -25,6 +25,8 @@ const uri2path = require('file-uri-to-path');
 const { MarkupToHtml } = require('lib/joplin-renderer');
 const { uuid } = require('lib/uuid');
 
+const ExternalEditWatcher = require('lib/services/ExternalEditWatcher');
+
 class ApiError extends Error {
 	constructor(message, httpCode = 400) {
 		super(message);
@@ -377,6 +379,27 @@ class Api {
 		return options;
 	}
 
+	async execServiceActionFromRequest_(externalApi, request) {
+		const action = externalApi[request.action];
+		if (!action) throw new ErrorNotFound(`Invalid action: ${request.action}`);
+		const args = Object.assign({}, request);
+		delete args.action;
+		return action(args);
+	}
+
+	async action_services(request, serviceName) {
+		this.checkToken_(request);
+
+		if (request.method !== 'POST') throw new ErrorMethodNotAllowed();
+
+		if (serviceName === 'externalEditWatcher') {
+			const externalApi = ExternalEditWatcher.instance().externalApi();
+			return this.execServiceActionFromRequest_(externalApi, JSON.parse(request.body));
+		} else {
+			throw new ErrorNotFound(`No such service: ${serviceName}`);
+		}
+	}
+
 	async action_notes(request, id = null, link = null) {
 		this.checkToken_(request);