Refactor out extensions-modules and rewrite mssql extension (#909)

* commting .d.ts changes

* added serverinfo to .d.ts

* maybe its working?

* works

* updated contrib

* remove unnecessary code

* fix compile errors

* init

* conitnue

* on the way to working maybe?

* close

* EVERYTHING WORKS

* moved src out of client folder

* formatting

* reenable logging

* working on build file

* fixed install service gulp command

* fix the command to properly return promises

* clean up code

* add telemetry

* formatting

* added logging/telemetry/statusview

* formatting

* address comments

* resolute vscode-language versions

extensions/mssql/src/contextProvider.ts

@@ -0,0 +1,52 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+import * as vscode from 'vscode';
+import * as sqlops from 'sqlops';
+
+export enum BuiltInCommands {
+    SetContext = 'setContext',
+}
+
+export enum ContextKeys {
+	ISCLOUD = 'mssql:iscloud'
+}
+
+const isCloudEditions = [
+	5,
+	6
+];
+
+export function setCommandContext(key: ContextKeys | string, value: any) {
+    return vscode.commands.executeCommand(BuiltInCommands.SetContext, key, value);
+}
+
+export default class ContextProvider {
+	private _disposables = new Array<vscode.Disposable>();
+
+	constructor() {
+		this._disposables.push(sqlops.workspace.onDidOpenDashboard(this.onDashboardOpen, this));
+		this._disposables.push(sqlops.workspace.onDidChangeToDashboard(this.onDashboardOpen, this));
+	}
+
+	public onDashboardOpen(e: sqlops.DashboardDocument): void {
+		let iscloud: boolean;
+		if (e.profile.providerName.toLowerCase() === 'mssql' && e.serverInfo.engineEditionId) {
+			if (isCloudEditions.some(i => i === e.serverInfo.engineEditionId)) {
+				iscloud = true;
+			} else {
+				iscloud = false;
+			}
+		}
+
+		if (iscloud === true || iscloud === false) {
+			setCommandContext(ContextKeys.ISCLOUD, iscloud);
+		}
+	}
+
+	dispose(): void {
+		this._disposables = this._disposables.map(i => i.dispose());
+	}
+}