Initial LiveShare extension scaffolding (#7170)

* LiveShare initial shared connection

* Various cleanups

* Fix type

* Fix hygiene

src/sql/platform/connection/common/connectionManagement.ts

@@ -277,6 +277,8 @@ export interface IConnectionManagementService {
 	 * @returns array of connections
 	 */
 	getConnections(activeConnectionsOnly?: boolean): ConnectionProfile[];
+
+	getConnection(uri: string): ConnectionProfile;
 }
 
 export enum RunQueryOnConnectionMode {

src/sql/platform/connection/common/connectionManagementService.ts

@@ -156,8 +156,6 @@ export class ConnectionManagementService extends Disposable implements IConnecti
 		return this._onLanguageFlavorChanged.event;
 	}
 
-	private _providerCount: number = 0;
-
 	// Connection Provider Registration
 	public registerProvider(providerId: string, provider: azdata.ConnectionProvider): void {
 		if (!this._providers.has(providerId)) {
@@ -1337,7 +1335,6 @@ export class ConnectionManagementService extends Disposable implements IConnecti
 	 * @returns array of connections
 	 **/
 	public getConnections(activeConnectionsOnly?: boolean): ConnectionProfile[] {
-
 		// 1. Active Connections
 		const connections = this.getActiveConnections();
 
@@ -1368,6 +1365,20 @@ export class ConnectionManagementService extends Disposable implements IConnecti
 		return connections;
 	}
 
+	public getConnection(uri: string): ConnectionProfile {
+		const connections = this.getActiveConnections();
+		if (connections) {
+			for (let connection of connections) {
+				let connectionUri = this.getConnectionUriFromId(connection.id);
+				if (connectionUri === uri) {
+					return connection;
+				}
+			}
+		}
+
+		return undefined;
+	}
+
 	private getConnectionsInGroup(group: ConnectionProfileGroup): ConnectionProfile[] {
 		const connections = [];
 		if (group) {

src/sql/platform/connection/common/connectionProfile.ts

@@ -33,8 +33,7 @@ export class ConnectionProfile extends ProviderConnectionInfo implements interfa
 
 	public constructor(
 		capabilitiesService: ICapabilitiesService,
-		model: string | azdata.IConnectionProfile
-	) {
+		model: string | azdata.IConnectionProfile) {
 		super(capabilitiesService, model);
 		if (model && !isString(model)) {
 			this.groupId = model.groupId;

src/sql/platform/connection/common/connectionStatusManager.ts

@@ -189,7 +189,14 @@ export class ConnectionStatusManager {
 		return undefined;
 	}
 
+	private isSharedSession(fileUri: string): boolean {
+		return fileUri && fileUri.startsWith('vsls:');
+	}
+
 	public isConnected(id: string): boolean {
+		if (this.isSharedSession(id)) {
+			return true;
+		}
 		return (id in this._connections && this._connections[id].connectionId && !!this._connections[id].connectionId);
 	}
 

src/sql/platform/connection/common/providerConnectionInfo.ts

@@ -70,7 +70,7 @@ export class ProviderConnectionInfo extends Disposable implements azdata.Connect
 
 	public set providerName(name: string) {
 		this._providerName = name;
-		if (!this._serverCapabilities) {
+		if (!this._serverCapabilities && this.capabilitiesService) {
 			let capabilities = this.capabilitiesService.getCapabilities(this.providerName);
 			if (capabilities) {
 				this._serverCapabilities = capabilities.connection;
@@ -192,6 +192,11 @@ export class ProviderConnectionInfo extends Disposable implements azdata.Connect
 	}
 
 	public isPasswordRequired(): boolean {
+		// if there is no provider capabilities metadata assume a password is not required
+		if (!this._serverCapabilities) {
+			return false;
+		}
+
 		let optionMetadata = this._serverCapabilities.connectionOptions.find(
 			option => option.specialValueType === ConnectionOptionSpecialType.password);
 		let isPasswordRequired: boolean = optionMetadata.isRequired;