Building the layered server application achieved by InversifyJS

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Abstract interface

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+4$POG+1 Render and  handle event Persist

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+4$POG+1 Render and  handle event Persist Usecases Abstract storages Mediator
Repository HTTP

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Repository HTTP -BZFSFEDMJFOU -BZFSFETFSWFS

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class UserId { readonly value: string; constructor() { this.value =
uuid(); } } /PUHPPE

function makeUserId(): UserId { return new UserId(uuid()); } function makeUserIdMock(mockValue:
string): UserId { return new UserId(mockValue); } class UserId { constructor(readonly value: string) {} } #FUUFS

class UsersRepository { private readonly db: Knex; constructor() { this.db
= knex(config); } } /PUHPPE

class UsersRepository { constructor( private readonly db: DatabaseProvider ) {}
} #FUUFS

class UsersGetMediator { async handle(req: Request, res: Response) { const
repo = new UsersRepository( new DatabaseProvider(), ); const users = await repo.getAll(); // Processing to send response } } )NNN

class Application { private router: Router; constructor() { this.router =
new Router( new UsersGetMediator( new UsersRepository( new DatabaseProvider(), ) ) ) } } :PVLOPX

class Application { private router: Router; constructor() { this.router =
new Router( new UsersGetMediator( new UsersRepository( new DatabaseProvider(), ) ) ) } } )!%0,&/

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import { injectable } from 'inversify'; @injectable() export class Application
{ constructor( private readonly auth: AuthService, private readonly router: Router, private readonly express: ExpressProvider, ) {} main() { this.auth.prepare(); this.router.prepare(); this.express.listen(); } } *OKFDUBCMFEFDPSBUPS

@injectable() export class UsersGetMediator { constructor( private readonly auth: AuthService,
private readonly permissionVerifier: PermissionVerifier, private readonly errorHandler: ErrorHandler, private readonly usersRepo: UsersRepository, ) {} async handle(req: Request, res: Response) { if (!(await this.auth.isAuthenticated(req))) { return this.errorHandler.unauthorized(res); } if (!(await this.permissionVerifier.canReadUsers(req.user.id))) { return this.errorHandler.forbidden(res); } const users = await this.usersRepo.getAll(); const body: UsersGetResponse = { users: users.serialize(), }; res.send(body).end(); } }

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I was going to introduce the trick here...

But I have found it...

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Database Provider Reader Writer

Database Provider Reader Writer Http Request (Not TS) Domain model Data access object Knex.js ORM Raw SQL Query (Not TS)

Database Provider Reader Writer Serialized JSON (Not TS) Domain model Data transfer object Results as JSON (Not TS)

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UserId UserName AccessToken Email

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Building the layered server application achieved by InversifyJS

Building the layered server application achieved by InversifyJS

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