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Merge 9f3b990df8 into 72eda9a24f

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Vikas Kumar Singh 2023-07-17 21:39:19 -05:00 committed by GitHub
commit 3f55f45be4
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1 changed files with 30 additions and 11 deletions
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41
timelineranker/server/src/main/scala/com/twitter/timelineranker/observe/ObservedRequests.scala
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@ -2,13 +2,26 @@ package com.twitter.timelineranker.observe
import com.twitter.timelines.authorization.ReadRequest import com.twitter.timelines.authorization.ReadRequest
import com.twitter.timelines.model.UserId import com.twitter.timelines.model.UserId
import com.twitter.timelines.observe.ObservedAndValidatedRequests import com.twitter.timelines.observe.{ObservedAndValidatedRequests, ServiceObserver, ServiceTracer}
import com.twitter.timelines.observe.ServiceObserver
import com.twitter.timelines.observe.ServiceTracer
import com.twitter.util.Future import com.twitter.util.Future
/**
* A trait that provides methods to observe and validate requests.
*/
trait ObservedRequests extends ObservedAndValidatedRequests { trait ObservedRequests extends ObservedAndValidatedRequests {
/**
* Observe and validate a request.
*
* @param request the request to be observed and validated
* @param viewerIds the IDs of the viewers who can access the request
* @param stats the statistics to track for the request
* @param exceptionHandler a partial function to handle exceptions thrown during validation or observation
* @param f a function that takes a request and returns a future of the response
* @tparam R the type of the response
* @tparam Q the type of the request
* @return a future of the response
*/
def observeAndValidate[R, Q]( def observeAndValidate[R, Q](
request: Q, request: Q,
viewerIds: Seq[UserId], viewerIds: Seq[UserId],
@ -17,17 +30,23 @@ trait ObservedRequests extends ObservedAndValidatedRequests {
)( )(
f: Q => Future[R] f: Q => Future[R]
): Future[R] = { ): Future[R] = {
super.observeAndValidate[Q, R]( super.observeAndValidate(
request, request = request,
viewerIds, viewerIds = viewerIds,
ReadRequest, accessLevel = ReadRequest,
validateRequest, validator = validateRequest[Q],
exceptionHandler, errorHandler = exceptionHandler,
stats, stats = stats,
ServiceTracer.identity[Q] tracer = ServiceTracer.identity[Q]
)(f) )(f)
} }
/**
* Validate a request.
*
* @param request the request to be validated
* @tparam Q the type of the request
*/
def validateRequest[Q](request: Q): Unit = { def validateRequest[Q](request: Q): Unit = {
// TimelineQuery and its derived classes do not permit invalid instances to be constructed. // TimelineQuery and its derived classes do not permit invalid instances to be constructed.
// Therefore no additional validation is required. // Therefore no additional validation is required.