resource deployment ext implementation -wip (#5508)

* resource types

* implement the dialog

* remove unused method

* fix issues

* formatting

* 5-17

* address comments and more tests

extensions/resource-deployment/src/services/toolsService.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 { ToolRequirementInfo, ToolStatusInfo, ITool } from '../interfaces';
+import { PythonTool } from './tools/pythonTool';
+import { DockerTool } from './tools/dockerTool';
+import { AzCliTool } from './tools/azCliTool';
+import { MSSQLCtlTool } from './tools/mssqlCtlTool';
+import { KubeCtlTool } from './tools/kubeCtlTool';
+
+export interface IToolsService {
+	getToolStatus(toolRequirements: ToolRequirementInfo[]): Thenable<ToolStatusInfo[]>;
+	getToolByName(toolName: string): ITool | undefined;
+}
+
+export class ToolsService implements IToolsService {
+	private static readonly SupportedTools: ITool[] = [new PythonTool(), new DockerTool(), new AzCliTool(), new MSSQLCtlTool(), new KubeCtlTool()];
+
+	getToolStatus(toolRequirements: ToolRequirementInfo[]): Thenable<ToolStatusInfo[]> {
+		const toolStatusList: ToolStatusInfo[] = [];
+		let promises = [];
+		for (let i = 0; i < toolRequirements.length; i++) {
+			const toolRequirement = toolRequirements[i];
+			const tool = this.getToolByName(toolRequirement.name);
+			if (tool !== undefined) {
+				promises.push(tool.getInstallationStatus(toolRequirement.version).then(installStatus => {
+					toolStatusList.push(<ToolStatusInfo>{
+						name: tool.displayName,
+						description: tool.description,
+						status: installStatus,
+						version: toolRequirement.version
+					});
+				}));
+			}
+		}
+		return Promise.all(promises).then(() => { return toolStatusList; });
+	}
+
+	getToolByName(toolName: string): ITool | undefined {
+		if (toolName) {
+			for (let i = 0; i < ToolsService.SupportedTools.length; i++) {
+				if (toolName === ToolsService.SupportedTools[i].name) {
+					return ToolsService.SupportedTools[i];
+				}
+			}
+		}
+		return undefined;
+	}
+
+}