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43 lines
1.6 KiB
43 lines
1.6 KiB
import {HTTPKernel} from '../HTTPKernel'
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import {Request} from '../../lifecycle/Request'
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import {ActivatedRoute} from '../../routing/ActivatedRoute'
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import {http} from '../../response/HTTPErrorResponseFactory'
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import {HTTPStatus, withErrorContext} from '../../../util'
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import {AbstractResolvedRouteHandlerHTTPModule} from './AbstractResolvedRouteHandlerHTTPModule'
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/**
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* HTTP kernel module that runs the handler for the request's route.
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*
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* In most cases, this is the controller method defined by the route.
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*/
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export class ExecuteResolvedRouteHandlerHTTPModule extends AbstractResolvedRouteHandlerHTTPModule {
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public static register(kernel: HTTPKernel): void {
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kernel.register(this).core()
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}
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public async apply(request: Request): Promise<Request> {
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if ( request.hasInstance(ActivatedRoute) ) {
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const route = <ActivatedRoute<unknown, unknown[]>> request.make(ActivatedRoute)
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const params = route.resolvedParameters
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if ( !params ) {
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throw new Error('Attempted to call route handler without resolved parameters.')
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}
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await withErrorContext(async () => {
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const result = await route.handler
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.tap(handler => handler(...params))
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.apply(request)
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await this.applyResponseObject(result, request)
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}, {
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route,
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})
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} else {
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await http(HTTPStatus.NOT_FOUND).write(request)
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request.response.blockingWriteback(true)
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}
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return request
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}
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}
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