livesync-service.ts

///<reference path="../../.d.ts"/>
"use strict";

import * as constants from "../../constants";
import * as path from "path";
import * as semver from "semver";

class LiveSyncService implements ILiveSyncService {
	private _isInitialized = false;

	constructor(private $devicePlatformsConstants: Mobile.IDevicePlatformsConstants,
		private $errors: IErrors,
		private $liveSyncServiceBase: ILiveSyncServiceBase,
		private $platformsData: IPlatformsData,
		private $platformService: IPlatformService,
		private $projectData: IProjectData,
		private $projectDataService: IProjectDataService,
		private $prompter: IPrompter) { }

	private ensureAndroidFrameworkVersion(platformData: IPlatformData): IFuture<void> { // TODO: this can be moved inside command or canExecute function
		return (() => {
			this.$projectDataService.initialize(this.$projectData.projectDir);
			let frameworkVersion = this.$projectDataService.getValue(platformData.frameworkPackageName).wait().version;

			if (platformData.normalizedPlatformName.toLowerCase() === this.$devicePlatformsConstants.Android.toLowerCase()) {
				if (semver.lt(frameworkVersion, "1.2.1")) {
					let shouldUpdate = this.$prompter.confirm("You need Android Runtime 1.2.1 or later for LiveSync to work properly. Do you want to update your runtime now?").wait();
					if (shouldUpdate) {
						this.$platformService.updatePlatforms([this.$devicePlatformsConstants.Android.toLowerCase()]).wait();
					} else {
						return;
					}
				}
			}
		}).future<void>()();
	}

	public get isInitialized(): boolean { // This function is used from https://github.com/NativeScript/nativescript-dev-typescript/blob/master/lib/before-prepare.js#L4
		return this._isInitialized;
	}

	public liveSync(platform: string): IFuture<void> {
		return (() => {
			platform = this.$liveSyncServiceBase.getPlatform(platform).wait();
			let platformLowerCase = platform.toLowerCase();

			if (!this.$platformService.preparePlatform(platformLowerCase).wait()) {
				this.$errors.failWithoutHelp("Verify that listed files are well-formed and try again the operation.");
			}

			this._isInitialized = true; // If we want before-prepare hooks to work properly, this should be set after preparePlatform function

			let platformData = this.$platformsData.getPlatformData(platformLowerCase);
			this.ensureAndroidFrameworkVersion(platformData).wait();

			let liveSyncData: ILiveSyncData = {
				platform: platform,
				appIdentifier:  this.$projectData.projectId,
				projectFilesPath: path.join(platformData.appDestinationDirectoryPath, constants.APP_FOLDER_NAME),
				syncWorkingDirectory: path.join(this.$projectData.projectDir, constants.APP_FOLDER_NAME),
				excludedProjectDirsAndFiles: ["**/*.js.map", "**/*.ts"]
			};
			this.$liveSyncServiceBase.sync(liveSyncData).wait();
		}).future<void>()();
	}
}
$injector.register("usbLiveSyncService", LiveSyncService);