Merge pull request #33 from Alystrasz/feat/northstar-auto-update

feat: Northstar auto-updates

3 files changed, 84 insertions, 4 deletions

diff --git a/src/lang/en.json b/src/lang/en.json
index 68d46c7..bb5cf09 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -19,6 +19,12 @@
 	"cli.update.finished": "Installation/Update finished!",
 	"cli.update.uptodate": "Latest version (%s) is already installed, skipping update.",
 
+	"cli.autoupdates.checking": "Checking for Northstar updates...",
+	"cli.autoupdates.available": "Northstar update available!",
+	"cli.autoupdates.gamerunning": "Game is running, refusing to update Northstar",
+	"cli.autoupdates.updatingns": "Launching update process...",
+	"cli.autoupdates.noupdate": "No Northstar update available.",
+
 	"cli.launch.linuxerror": "Launching the game is not currently supported on Linux",
 
 	"cli.mods.failed": "Failed to install mod!",
@@ -58,6 +64,9 @@
 	"gui.update.uptodate": "Already up to date!",
 	"gui.update.available": "A new update for Viper is available, do you want to restart and apply it?",
 
+	"gui.nsupdate.gaming.title": "Northstar update available!",
+	"gui.nsupdate.gaming.body": "An update for Northstar is available.\nYou can force its installation after closing the game.",
+
 	"gui.launch": "Launch",
 	"gui.launchvanilla": "Vanilla",
 	"gui.launchnorthstar": "Northstar",
diff --git a/src/lang/fr.json b/src/lang/fr.json
index 22afa9a..0eb083c 100644
--- a/src/lang/fr.json
+++ b/src/lang/fr.json
@@ -19,6 +19,12 @@
 	"cli.update.finished": "Mise à jour terminée !",
 	"cli.update.uptodate": "La dernière version (%s) est déjà installée.",
 
+	"cli.autoupdates.checking": "Vérifications des mises à jour de Northstar...",
+	"cli.autoupdates.available": "Une mise à jour de Northstar est disponible !",
+	"cli.autoupdates.gamerunning": "Le jeu est en cours d'exécution, impossible de lancer la mise à jour.",
+	"cli.autoupdates.updatingns": "Lancement de la mise à jour...",
+	"cli.autoupdates.noupdate": "Pas de mise à jour de Northstar disponible.",
+
 	"cli.launch.linuxerror": "Le support du jeu sur Linux n'est pas encore implémenté.",
 
 	"cli.mods.failed": "L'installation du mod a échoué.",
@@ -58,6 +64,9 @@
 	"gui.update.uptodate": "Déjà à jour !",
 	"gui.update.available": "Une mise à jour pour Viper est disponible, voulez-vous l'installer maintenant ?",
 
+	"gui.nsupdate.gaming.title": "Mise à jour Northstar disponible !",
+	"gui.nsupdate.gaming.body": "Une mise à jour pour Northstar est disponible.\nVous pourrez l'installer après avoir fermé le jeu.",
+
 	"gui.launch": "Jouer",
 	"gui.launchvanilla": "Vanilla",
 	"gui.launchnorthstar": "Northstar",
diff --git a/src/utils.js b/src/utils.js
index 68cd6c1..87499ae 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -1,7 +1,7 @@
 const path = require("path");
 const fs = require("fs-extra");
 const copy = require("copy-dir");
-const { app, dialog, ipcMain } = require("electron");
+const { app, dialog, ipcMain, Notification } = require("electron");
 
 const Emitter = require("events");
 const events = new Emitter();
@@ -11,7 +11,8 @@ const lang = require("./lang");
 const requests = require("./requests");
 
 const unzip = require("unzipper");
-const exec = require("child_process").spawn;
+const run = require("child_process").spawn;
+const exec = require("child_process").exec;
 const { https } = require("follow-redirects");
 
 process.chdir(app.getPath("appData"));
@@ -34,6 +35,66 @@ if (fs.existsSync("viper.json")) {
 	console.log(lang("general.missingpath"));
 }
 
+
+async function isGameRunning() {
+	return new Promise(resolve => {
+		let procs = ["Titanfall2.exe", "Titanfall2-unpacked.exe", "NorthstarLauncher.exe"];
+		let cmd = (() => {
+			switch (process.platform) {
+				case "linux": return "ps -A";
+				case "win32": return "tasklist";
+			}
+		})();
+
+		exec(cmd, (err, stdout) => {
+			for (let i = 0; i < procs.length; i++) {
+				if (stdout.includes(procs[i])) {
+					resolve(true);
+					break
+				}
+
+				if (i == procs.length - 1) {resolve(false)}
+			}
+		});
+	});
+}
+
+northstar_auto_updates: {
+	if (!settings.autoupdate || !fs.existsSync("viper.json") || settings.gamepath.length === 0) {
+		break northstar_auto_updates;
+	}
+
+	async function _checkForUpdates() {
+		let localVersion = getNSVersion();
+		let distantVersion = await requests.getLatestNsVersion();
+		console.log(lang("cli.autoupdates.checking"));
+
+		if (localVersion !== distantVersion) {
+			console.log(lang("cli.autoupdates.available"));
+			if (await isGameRunning()) {
+				console.log(lang("cli.autoupdates.gamerunning"));
+				new Notification({
+					title: lang("gui.nsupdate.gaming.title"), 
+					body: lang("gui.nsupdate.gaming.body")
+				}).show();
+			} else {
+				console.log(lang("cli.autoupdates.updatingns"));
+				update();
+			}
+		} else {
+			console.log(lang("cli.autoupdates.noupdate"))
+		}
+
+		setTimeout(
+			_checkForUpdates, 
+			15 * 60 * 1000	// update checking interval must be bigger than cache validity duration
+		);
+	}
+
+	_checkForUpdates();
+}
+
+
 function setpath(win) {
 	if (! win) {
 		settings.gamepath = cli.param("setpath");
@@ -164,11 +225,11 @@ function launch(version) {
 	switch(version) {
 		case "vanilla":
 			console.log(lang("general.launching"), "Vanilla...")
-			exec(path.join(settings.gamepath + "/Titanfall2.exe"))
+			run(path.join(settings.gamepath + "/Titanfall2.exe"))
 			break;
 		default:
 			console.log(lang("general.launching"), "Northstar...")
-			exec(path.join(settings.gamepath + "/NorthstarLauncher.exe"))
+			run(path.join(settings.gamepath + "/NorthstarLauncher.exe"))
 			break;
 	}
 }
@@ -426,6 +487,7 @@ module.exports = {
 	updatevp,
 	settings,
 	getNSVersion,
+	isGameRunning,
 	setlang: (lang) => {
 		settings.lang = lang;
 		saveSettings();