Merge azure account provider and azurecore extensions (#2810)

extensions/azurecore/src/extension.ts

@@ -1,19 +1,60 @@
 'use strict';
 
 import * as vscode from 'vscode';
+import * as fs from 'fs';
+import * as path from 'path';
+import * as os from 'os';
+import * as constants from './constants';
 
 import MainController from './controllers/mainController';
 import { AppContext } from './appContext';
 import ControllerBase from './controllers/controllerBase';
 import { ApiWrapper } from './apiWrapper';
+import { AzureAccountProviderService } from './account-provider/azureAccountProviderService';
 
 let controllers: ControllerBase[] = [];
 
+
+// The function is a duplicate of \src\paths.js. IT would be better to import path.js but it doesn't
+// work for now because the extension is running in different process.
+export function getAppDataPath() {
+	var platform = process.platform;
+	switch (platform) {
+		case 'win32': return process.env['APPDATA'] || path.join(process.env['USERPROFILE'], 'AppData', 'Roaming');
+		case 'darwin': return path.join(os.homedir(), 'Library', 'Application Support');
+		case 'linux': return process.env['XDG_CONFIG_HOME'] || path.join(os.homedir(), '.config');
+		default: throw new Error('Platform not supported');
+	}
+}
+
+export function getDefaultLogLocation() {
+	return path.join(getAppDataPath(), 'azuredatastudio');
+}
+
+
 // this method is called when your extension is activated
 // your extension is activated the very first time the command is executed
 export function activate(extensionContext: vscode.ExtensionContext) {
 	let appContext = new AppContext(extensionContext, new ApiWrapper());
-	let activations: Promise<boolean>[] = [];
+	let activations: Thenable<boolean>[] = [];
+
+	// Create the folder for storing the token caches
+	let storagePath = path.join(getDefaultLogLocation(), constants.extensionName);
+	try {
+		if (!fs.existsSync(storagePath)) {
+			fs.mkdirSync(storagePath);
+			console.log('Initialized Azure account extension storage.');
+		}
+	} catch (e) {
+		console.error(`Initialization of Azure account extension storage failed: ${e}`);
+		console.error('Azure accounts will not be available');
+		return;
+	}
+
+	// Create the provider service and activate
+	const accountProviderService = new AzureAccountProviderService(extensionContext, storagePath);
+	extensionContext.subscriptions.push(accountProviderService);
+	accountProviderService.activate();
 
 	// Start the main controller
 	let mainController = new MainController(appContext);