New Operator, Alert and Proxy request handlers (#1846)

* Add agent dialog class

* Rename agent dialog data classes

* Alert dialog data updates

* Create operator and proxy handlers

extensions/agent/src/data/proxyData.ts

@@ -0,0 +1,47 @@
+/*---------------------------------------------------------------------------------------------
+ *  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 sqlops from 'sqlops';
+import { AgentUtils } from '../agentUtils';
+import { IAgentDialogData } from '../interfaces';
+
+export class ProxyData implements IAgentDialogData {
+	ownerUri: string;
+	id: number;
+	accountName: string;
+	description: string;
+	credentialName: string;
+	credentialIdentity: string;
+	credentialId: number;
+	isEnabled: boolean;
+
+	constructor(ownerUri:string) {
+		this.ownerUri = ownerUri;
+	}
+
+	public async initialize() {
+	}
+
+	public async save() {
+		let agentService = await AgentUtils.getAgentService();
+		let result = await agentService.createProxy(this.ownerUri,  this.toAgentProxyInfo());
+		if (!result || !result.success) {
+			// TODO handle error here
+		}
+	}
+
+	public toAgentProxyInfo(): sqlops.AgentProxyInfo {
+		return {
+			id: this.id,
+			accountName: this.accountName,
+			description: this.description,
+			credentialName: this.credentialName,
+			credentialIdentity: this.credentialIdentity,
+			credentialId: this.credentialId,
+			isEnabled: this.isEnabled
+		};
+	}
+}