Make data to index more flexible and extensible

modules/common/src/main/scala/docspell/common/Ident.scala

@@ -15,6 +15,9 @@ case class Ident(id: String) {
 
   def nonEmpty: Boolean =
     !isEmpty
+
+  def / (next: Ident): Ident =
+    new Ident(id + "/" + next.id)
 }
 
 object Ident {

modules/fts-client/src/main/scala/docspell/ftsclient/TextData.scala

@@ -2,4 +2,55 @@ package docspell.ftsclient
 
 import docspell.common._
 
-final case class TextData(item: Ident, attachment: Ident, collective: Ident, text: String)
+sealed trait TextData {
+
+  def id: Ident
+
+  def item: Ident
+
+  def collective: Ident
+
+}
+
+object TextData {
+
+  final case class Attachment(
+      item: Ident,
+      attachId: Ident,
+      collective: Ident,
+      name: Option[String],
+      text: Option[String]
+  ) extends TextData {
+
+    val id = item / attachId
+
+  }
+
+  def attachment(
+      item: Ident,
+      attachId: Ident,
+      collective: Ident,
+      name: Option[String],
+      text: Option[String]
+  ): TextData =
+    Attachment(item, attachId, collective, name, text)
+
+  final case class Item(
+      item: Ident,
+      collective: Ident,
+      name: Option[String],
+      notes: Option[String]
+  ) extends TextData {
+
+    val id = Ident.unsafe("item") / item
+
+  }
+
+  def item(
+      item: Ident,
+      collective: Ident,
+      name: Option[String],
+      notes: Option[String]
+  ): TextData =
+    Item(item, collective, name, notes)
+}

modules/joex/src/main/scala/docspell/joex/process/TextExtraction.scala

@@ -22,40 +22,49 @@ object TextExtraction {
         _     <- ctx.logger.info("Starting text extraction")
         start <- Duration.stopTime[F]
         txt <- item.attachments.traverse(
-          extractTextIfEmpty(ctx, cfg, ctx.args.meta.language, item)
-        )
-        _ <- ctx.logger.debug("Storing extracted texts")
-        _ <- txt.toList.traverse(rm => ctx.store.transact(RAttachmentMeta.upsert(rm)))
-        _ <- fts.indexData(
-          Stream
-            .emits(txt)
-            .map(a =>
-              TextData(
-                item.item.id,
-                a.id,
-                ctx.args.meta.collective,
-                a.content.getOrElse("")
-              )
-            )
+          extractTextIfEmpty(
+            ctx,
+            cfg,
+            ctx.args.meta.language,
+            ctx.args.meta.collective,
+            item
+          )
         )
+        _   <- ctx.logger.debug("Storing extracted texts")
+        _   <- txt.toList.traverse(rm => ctx.store.transact(RAttachmentMeta.upsert(rm._1)))
+        _   <- fts.indexData(Stream.emits(txt.map(_._2)))
         dur <- start
         _   <- ctx.logger.info(s"Text extraction finished in ${dur.formatExact}")
-      } yield item.copy(metas = txt)
+      } yield item.copy(metas = txt.map(_._1))
     }
 
   def extractTextIfEmpty[F[_]: Sync: ContextShift](
       ctx: Context[F, _],
       cfg: ExtractConfig,
       lang: Language,
+      collective: Ident,
       item: ItemData
-  )(ra: RAttachment): F[RAttachmentMeta] = {
+  )(ra: RAttachment): F[(RAttachmentMeta, TextData)] = {
+    def makeTextData(rm: RAttachmentMeta): (RAttachmentMeta, TextData) =
+      (
+        rm,
+        TextData.attachment(
+          item.item.id,
+          ra.id,
+          collective,
+          ra.name,
+          rm.content
+        )
+      )
+
     val rm = item.findOrCreate(ra.id)
     rm.content match {
       case Some(_) =>
         ctx.logger.info("TextExtraction skipped, since text is already available.") *>
-          rm.pure[F]
+          makeTextData(rm).pure[F]
       case None =>
         extractTextToMeta[F](ctx, cfg, lang, item)(ra)
+          .map(makeTextData)
     }
   }