Initial changes for adding SqlProjectsService (#21967)

* Add SqlProjectsService

* cleanup

* reorder imports

* undo changes in project.ts for now to fix tests

extensions/mssql/src/sqlProjects/sqlProjectsService.ts

@@ -0,0 +1,57 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+import * as mssql from 'mssql';
+import * as constants from '../constants';
+import * as Utils from '../utils';
+import * as azdata from 'azdata';
+import * as contracts from '../contracts';
+import { AppContext } from '../appContext';
+import { ISqlOpsFeature, SqlOpsDataClient } from 'dataprotocol-client';
+import { ClientCapabilities } from 'vscode-languageclient';
+
+export class SqlProjectsService implements mssql.ISqlProjectsService {
+	public static asFeature(context: AppContext): ISqlOpsFeature {
+		return class extends SqlProjectsService {
+			constructor(client: SqlOpsDataClient) {
+				super(context, client);
+			}
+
+			fillClientCapabilities(capabilities: ClientCapabilities): void {
+				Utils.ensure(capabilities, 'sqlProjects')!.sqlProjects = true;
+			}
+
+			initialize(): void {
+			}
+		};
+	}
+
+	private constructor(context: AppContext, protected readonly client: SqlOpsDataClient) {
+		context.registerService(constants.SqlProjectsService, this);
+	}
+
+
+	public async openProject(projectUri: string): Promise<azdata.ResultStatus> {
+		const params: contracts.SqlProjectParams = { projectUri };
+		try {
+			const result = await this.client.sendRequest(contracts.OpenSqlProjectRequest.type, params);
+			return result;
+		} catch (e) {
+			this.client.logFailedRequest(contracts.OpenSqlProjectRequest.type, e);
+			throw e;
+		}
+	}
+
+	public async getCrossPlatformCompatiblityRequest(projectUri: string): Promise<mssql.GetCrossPlatformCompatiblityResult> {
+		const params: contracts.SqlProjectParams = { projectUri };
+		try {
+			const result = await this.client.sendRequest(contracts.GetCrossPlatformCompatiblityRequest.type, params);
+			return result;
+		} catch (e) {
+			this.client.logFailedRequest(contracts.GetCrossPlatformCompatiblityRequest.type, e);
+			throw e;
+		}
+	}
+}