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Added find an existing video use case & unit test #35

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Added find an existing video use case & unit test #35

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6 changes: 5 additions & 1 deletion src/mooc/main/tv/codely/mooc/video/application/search/VideosSearcher.scala
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Original file line number Diff line number Diff line change
@@ -1,9 +1,13 @@
package tv.codely.mooc.video.application.search

import tv.codely.mooc.video.domain.{Video, VideoRepository}
import tv.codely.mooc.video.domain.{Video, VideoId,VideoRepository}

import scala.concurrent.Future

final class VideosSearcher(repository: VideoRepository) {
def all(): Future[Seq[Video]] = repository.all()

def find(videoId: VideoId): Future[Option[Video]] = {
repository.find(videoId)
}
}
2 changes: 2 additions & 0 deletions src/mooc/main/tv/codely/mooc/video/domain/VideoRepository.scala
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Expand Up @@ -6,4 +6,6 @@ trait VideoRepository {
def all(): Future[Seq[Video]]

def save(video: Video): Future[Unit]

def find(videoId: VideoId): Future[Option[Video]]
}
7 changes: 6 additions & 1 deletion ...mooc/main/tv/codely/mooc/video/infrastructure/repository/DoobieMySqlVideoRepository.scala
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
package tv.codely.mooc.video.infrastructure.repository

import doobie.implicits._
import tv.codely.mooc.video.domain.{Video, VideoRepository}
import tv.codely.mooc.video.domain.{Video, VideoId, VideoRepository}
import tv.codely.mooc.shared.infrastructure.doobie.TypesConversions._
import tv.codely.shared.infrastructure.doobie.DoobieDbConnection

Expand All @@ -17,4 +17,9 @@ final class DoobieMySqlVideoRepository(db: DoobieDbConnection)(implicit executio
.transact(db.transactor)
.unsafeToFuture()
.map(_ => ())

override def find(videoId: VideoId): Future[Option[Video]] =
db.read(sql"SELECT video_id, title, duration_in_seconds, category, creator_id FROM videos WHERE video_id=${videoId.value}"
.query[Video]
.option)
}
6 changes: 6 additions & 0 deletions src/mooc/test/tv/codely/mooc/video/application/search/VideosSearcherShould.scala
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Expand Up @@ -16,4 +16,10 @@ final class VideosSearcherShould extends UnitTestCase with VideoRepositoryMock {

searcher.all().futureValue shouldBe existingVideos
}

"find an existing video" in {
val video = VideoMother.random
repositoryShouldFind(video)
repository.find(video.id).futureValue.get shouldBe video
}
}
5 changes: 5 additions & 0 deletions src/mooc/test/tv/codely/mooc/video/infrastructure/repository/VideoRepositoryMock.scala
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Expand Up @@ -20,4 +20,9 @@ protected[video] trait VideoRepositoryMock extends MockFactory {
(repository.all _)
.expects()
.returning(Future.successful(videos))

protected def repositoryShouldFind(video: Video): Unit =
(repository.find _)
.expects(video.id)
.returning(Future.successful(Some(video)))
}