Adding database backup and accounts page to migration wizard (#13764)

* Added localized strings
Created a db backup page
added radio buttons

* created components for database backup page

* Added account selection page

* Added accounts page

* Some more work done

- Added page validations
- Almost done with db backup except for a few api calls.

* Some more progress
added graph api for storage account

* Finished hooking up all the endpoints on db page.

* Some code fixed and refactoring

* Fixed a ton of validation bugs

* Added common localized strings to the constants file

* some code cleanup

* changed method name to makeHttpGetRequest

* change http result class name

* Added return types and return values to the functions

* removed void returns

* Added more return types and values

* Storing accounts in the map with ids as key
Fixed a bug in case of no subscriptions found

* cleaning up the code

* Fixed localized strings

* Added comments to get request api
Added validation logic to database backup page
removed unnecessary page validations.

* Added some get resource functions in azure core

* Changed thenable to promise

* Added arm calls for file shares and blob storage

* Added field specific validation error message

* Added examples in validation error message.

* Fixed some typings and localized string

* Added live validations to dropdowns

* Fixed method name to getSQLVMservers

* Using older storage package

* Update typings/namings (#13767)

* Update typings

* more typings fixes

* switched fileshares and blobcontainers api to http requests

* removed the extra line

* Adding resource graph documentation link as a comment

* remove makeHttpRequest api from azurecore

Co-authored-by: Charles Gagnon <chgagnon@microsoft.com>

extensions/sql-migration/src/models/stateMachine.ts

@@ -26,11 +26,51 @@ export enum State {
 	EXIT,
 }
 
+export enum MigrationCutover {
+	MANUAL,
+	AUTOMATIC
+}
+
+export enum NetworkContainerType {
+	FILE_SHARE,
+	BLOB_CONTAINER,
+	NETWORK_SHARE
+}
+
+export interface NetworkShare {
+	networkShareLocation: string;
+	windowsUser: string;
+	password: string;
+	storageSubscriptionId: string;
+	storageAccountId: string;
+}
+
+export interface BlobContainer {
+	subscriptionId: string;
+	storageAccountId: string;
+	containerId: string;
+}
+
+export interface FileShare {
+	subscriptionId: string;
+	storageAccountId: string;
+	fileShareId: string;
+	resourceGroupId: string;
+}
+export interface DatabaseBackupModel {
+	emailNotification: boolean;
+	migrationCutover: MigrationCutover;
+	networkContainerType: NetworkContainerType;
+	networkContainer: NetworkShare | BlobContainer | FileShare;
+	azureSecurityToken: string;
+}
 export interface Model {
 	readonly sourceConnection: azdata.connection.Connection;
 	readonly currentState: State;
 	gatheringInformationError: string | undefined;
 	skuRecommendations: SKURecommendations | undefined;
+	azureAccount: azdata.Account | undefined;
+	databaseBackup: DatabaseBackupModel | undefined;
 }
 
 export interface StateChangeEvent {
@@ -44,6 +84,8 @@ export class MigrationStateModel implements Model, vscode.Disposable {
 	private _gatheringInformationError: string | undefined;
 	private _skuRecommendations: SKURecommendations | undefined;
 	private _assessmentResults: mssql.SqlMigrationAssessmentResultItem[] | undefined;
+	private _azureAccount!: azdata.Account;
+	private _databaseBackup!: DatabaseBackupModel;
 
 	constructor(
 		private readonly _extensionContext: vscode.ExtensionContext,
@@ -51,6 +93,23 @@ export class MigrationStateModel implements Model, vscode.Disposable {
 		public readonly migrationService: mssql.ISqlMigrationService
 	) {
 		this._currentState = State.INIT;
+		this.databaseBackup = {} as DatabaseBackupModel;
+	}
+
+	public get azureAccount(): azdata.Account {
+		return this._azureAccount;
+	}
+
+	public set azureAccount(account: azdata.Account) {
+		this._azureAccount = account;
+	}
+
+	public get databaseBackup(): DatabaseBackupModel {
+		return this._databaseBackup;
+	}
+
+	public set databaseBackup(dbBackup: DatabaseBackupModel) {
+		this._databaseBackup = dbBackup;
 	}
 
 	public get sourceConnection(): azdata.connection.Connection {