WIP: Add program_installing.js

system/modules/program_installing.js

@@ -0,0 +1,63 @@
+// Do not use functions of this file yet - still wip / poc.
+// TODO: Use promises
+// TODO: use single object (new programInstallerTask) {installProgam, uninstallProgram, updateProgram}
+
+function install_program(programDir) {
+	programDir = iofs.sanitizePath(programDir);
+	let installerJsonPath = iofs.sanitizePath(programDir + "/installer.json");
+
+	loadInstallProgramJson(installerJsonPath, function(json) {
+		handleInstallerJson(programDir, json);
+	});
+}
+
+function loadInstallProgramJson(path, callback) {
+	iofs.loadExternal(path, function(response) {
+		try {
+			response = JSON.parse(response);
+		} catch(e) {
+			throw new Error("Response isn't valid JSON. Aborting");
+		}
+		callback(response);
+	});
+}
+
+function handleInstallerJson(programDir, json) {
+	if(typeof json !== "object") {
+		try {
+			json = JSON.parse(json);
+		} catch(e) {
+			throw new Error("Invalid JSON");
+		}
+	}
+
+	let myPaths = {
+		programFiles: system.paths.programs + json.meta.id + "/"
+	};
+
+	if(!iofs.exists(myPaths.programFiles)) {
+		iofs.save(myPaths.programFiles, null, "t=d");
+	}
+
+	let externalFilesLoaded = [];
+
+	// copy files to iofs
+	for(let file of json.copyFiles.programs) {
+		iofs.loadExternal(programDir + file, function(content) {
+			iofs.save(myPaths.programFiles + file, content);
+		});
+	}
+
+	// extract meta from installer.json and save as meta.json
+	iofs.save(myPaths.programFiles + "meta.json", JSON.stringify(json.meta));
+
+	let allProgramJson = iofs.load("C:/system/installed_programs.json");
+	allProgramJson = JSON.parse(allProgramJson);
+	allProgramJson[json.meta.id] = json.meta;
+	console.log(allProgramJson);
+	iofs.save("C:/system/installed_programs.json", JSON.stringify(allProgramJson), undefined, true);
+
+	system.users[0].paths[json.meta.id] = json.meta;
+	system.user.programs[json.meta.id] = json.meta;
+	loadProgramMetadata(json.meta.id);
+}