Only learn from confirmed items

Text classification should only learn from confirmed items. Log if
classification is disabled when processing an item.

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

@@ -23,6 +23,11 @@ object ItemState {
   case object Created    extends ItemState
   case object Confirmed  extends ItemState
 
+  def premature: ItemState  = Premature
+  def processing: ItemState = Processing
+  def created: ItemState    = Created
+  def confirmed: ItemState  = Confirmed
+
   def fromString(str: String): Either[String, ItemState] =
     str.toLowerCase match {
       case "premature"  => Right(Premature)

modules/joex/src/main/scala/docspell/joex/analysis/RegexNerFile.scala

@@ -157,8 +157,9 @@ object RegexNerFile {
           .reduce(_ ++ fr"UNION ALL" ++ _)
 
       selectSimple(fr"MAX(t)", fr"(" ++ sql ++ fr") as x", Fragment.empty)
-        .query[Timestamp]
+        .query[Option[Timestamp]]
         .option
+        .map(_.flatten)
     }
   }
 }

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

@@ -98,11 +98,14 @@ object TextAnalysis {
       ctx: Context[F, Args],
       cfg: Config.TextAnalysis
   ): OptionT[F, Ident] =
-    if (cfg.classification.enabled)
+    (if (cfg.classification.enabled)
        OptionT(ctx.store.transact(RClassifierSetting.findById(ctx.args.meta.collective)))
          .filter(_.enabled)
          .mapFilter(_.fileId)
      else
-      OptionT.none
+       OptionT.none[F, Ident]).orElse(
+      OptionT.liftF(ctx.logger.info("Classification is disabled.")) *> OptionT
+        .none[F, Ident]
+    )
 
 }

modules/store/src/main/scala/docspell/store/queries/QItem.scala

@@ -622,7 +622,13 @@ object QItem {
       chunkSize: Int
   ): Stream[ConnectionIO, Ident] = {
     val cols   = Seq(RItem.Columns.id)
-    (selectSimple(cols, RItem.table, RItem.Columns.cid.is(collective)) ++
+    val iColl  = RItem.Columns.cid
+    val iState = RItem.Columns.state
+    (selectSimple(
+      cols,
+      RItem.table,
+      and(iColl.is(collective), iState.is(ItemState.confirmed))
+    ) ++
       orderBy(RItem.Columns.created.desc))
       .query[Ident]
       .streamWithChunkSize(chunkSize)