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Add simple route to get the preview image

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This commit is contained in:
Eike Kettner
2020-11-08 10:03:47 +01:00
parent 6db5c39d78
commit d376ef3ef1
3 changed files with 105 additions and 0 deletions
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34
modules/backend/src/main/scala/docspell/backend/ops/OItemSearch.scala
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@ -36,6 +36,11 @@ trait OItemSearch[F[_]] {
collective: Ident
): F[Option[AttachmentArchiveData[F]]]
def findAttachmentPreview(
id: Ident,
collective: Ident
): F[Option[AttachmentPreviewData[F]]]
def findAttachmentMeta(id: Ident, collective: Ident): F[Option[RAttachmentMeta]]
def findByFileCollective(checksum: String, collective: Ident): F[Vector[RItem]]
@ -82,6 +87,15 @@ object OItemSearch {
val fileId = rs.fileId
}
case class AttachmentPreviewData[F[_]](
rs: RAttachmentPreview,
meta: FileMeta,
data: Stream[F, Byte]
) extends BinaryData[F] {
val name = rs.name
val fileId = rs.fileId
}
case class AttachmentArchiveData[F[_]](
rs: RAttachmentArchive,
meta: FileMeta,
@ -154,6 +168,26 @@ object OItemSearch {
(None: Option[AttachmentSourceData[F]]).pure[F]
})
def findAttachmentPreview(
id: Ident,
collective: Ident
): F[Option[AttachmentPreviewData[F]]] =
store
.transact(RAttachmentPreview.findByIdAndCollective(id, collective))
.flatMap({
case Some(ra) =>
makeBinaryData(ra.fileId) { m =>
AttachmentPreviewData[F](
ra,
m,
store.bitpeace.fetchData2(RangeDef.all)(Stream.emit(m))
)
}
case None =>
(None: Option[AttachmentPreviewData[F]]).pure[F]
})
def findAttachmentArchive(
id: Ident,
collective: Ident