import {HTTPKernelModule} from '../HTTPKernelModule'
import {Injectable} from '../../../di'
import {HTTPKernel} from '../HTTPKernel'
import {Request} from '../../lifecycle/Request'
import {Session} from '../../session/Session'

/**
 * HTTP kernel module that runs after the main logic in the request to persist
 * the session data to the driver's backend.
 */
@Injectable()
export class PersistSessionHTTPModule extends HTTPKernelModule {
    public readonly executeWithBlockingWriteback = true

    public static register(kernel: HTTPKernel): void {
        kernel.register(this).last()
    }

    public async apply(request: Request): Promise<Request> {
        const session = <Session> request.make(Session)
        await session.persist()
        return request
    }
}