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46 lines
1.5 KiB
46 lines
1.5 KiB
import {Container} from '../../di'
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import {ResponseFactory} from './ResponseFactory'
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import {Request} from '../lifecycle/Request'
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import {ViewEngine} from '../../views/ViewEngine'
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/**
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* Helper function that creates a new ViewResponseFactory to render the given view
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* with the specified data.
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* @param name
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* @param data
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*/
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export function view(name: string, data?: {[key: string]: any}): ViewResponseFactory {
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return new ViewResponseFactory(name, data)
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}
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/**
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* Helper function that creates a new ViewResponseFactory that redirects the user to
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* the given URL.
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* @param url
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*/
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export function redirectToGet(url: string): ViewResponseFactory {
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return view('@extollo:redirect', { redirectUrl: url })
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}
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/**
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* HTTP response factory that uses the ViewEngine service to render a view
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* and send it as HTML.
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*/
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export class ViewResponseFactory extends ResponseFactory {
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constructor(
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/** The name of the view to render. */
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public readonly viewName: string,
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/** Optional data that should be passed to the view engine as params. */
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public readonly data?: {[key: string]: any},
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) {
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super()
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}
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public async write(request: Request): Promise<Request> {
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const viewEngine = <ViewEngine> Container.getContainer().make(ViewEngine)
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request.response.body = await viewEngine.renderByName(this.viewName, this.data || {})
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request.response.setHeader('Content-Type', 'text/html; charset=utf-8')
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return request
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}
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}
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