korolev.server.internal.services.ServerSideRenderingService.scala Maven / Gradle / Ivy
/*
* Copyright 2017-2020 Aleksey Fomkin
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package korolev.server.internal.services
import korolev.effect.Effect
import korolev.effect.syntax._
import korolev.server.internal.{Cookies, Html5RenderContext, HttpResponse}
import korolev.server.{HttpRequest, HttpResponse, KorolevServiceConfig}
import korolev.web.Response.Status
import korolev.web.{Headers, PathAndQuery}
private[korolev] final class ServerSideRenderingService[F[_]: Effect, S, M](sessionsService: SessionsService[F, S, _],
pageService: PageService[F, S, M],
config: KorolevServiceConfig[F, S, M]) {
def canBeRendered(pq: PathAndQuery): Boolean =
config.router.toState.isDefinedAt(pq)
def serverSideRenderedPage(request: HttpRequest[F]): F[HttpResponse[F]] = {
for {
qsid <- sessionsService.initSession(request)
state <- sessionsService.initAppState(qsid, request)
rc = new Html5RenderContext[F, S, M]()
proxy = pageService.setupStatelessProxy(rc, qsid)
_ = rc.builder.append("\n")
_ = config.document(state)(proxy)
response <- HttpResponse(
Status.Ok,
rc.mkString,
Seq(
Headers.ContentTypeHtmlUtf8,
Headers.CacheControlNoCache,
Headers.setCookie(Cookies.DeviceId, qsid.deviceId, config.rootPath.mkString,
maxAge = 60 * 60 * 24 * 365 * 10 /* 10 years */)
)
)
} yield {
response
}
}
}