Search index if search object only contains this field

build.sbt

@@ -184,7 +184,10 @@ val openapiScalaSettings = Seq(
       case "glob" =>
         field => field.copy(typeDef = TypeDef("Glob", Imports("docspell.common.Glob")))
       case "customfieldtype" =>
-        field => field.copy(typeDef = TypeDef("CustomFieldType", Imports("docspell.common.CustomFieldType")))
+        field =>
+          field.copy(typeDef =
+            TypeDef("CustomFieldType", Imports("docspell.common.CustomFieldType"))
+          )
     }))
 )
 
@@ -465,6 +468,7 @@ val restserver = project
         Dependencies.circe ++
         Dependencies.pureconfig ++
         Dependencies.yamusca ++
+        Dependencies.kittens ++
         Dependencies.webjars ++
         Dependencies.loggingApi ++
         Dependencies.logging.map(_ % Runtime),
@@ -681,7 +685,7 @@ def packageTools(logger: Logger, dir: File, version: String): Seq[File] = {
     (dir ** "*")
       .filter(f => !excludes.exists(p => f.absolutePath.startsWith(p.absolutePath)))
       .pair(sbt.io.Path.relativeTo(dir))
-      .map({case (f, name) => (f, s"docspell-tools-${version}/$name") })
+      .map({ case (f, name) => (f, s"docspell-tools-${version}/$name") })
 
   IO.zip(
     Seq(

modules/restapi/src/main/resources/docspell-openapi.yml

@@ -5033,7 +5033,8 @@ components:
         fullText:
           type: string
           description: |
-            A query searching the contents of documents.
+            A query searching the contents of documents. If only this
+            field is set, then a fulltext-only search is done.
         corrOrg:
           type: string
           format: ident

modules/restserver/src/main/scala/docspell/restserver/routes/ItemRoutes.scala

@@ -3,6 +3,7 @@ package docspell.restserver.routes
 import cats.data.NonEmptyList
 import cats.effect._
 import cats.implicits._
+import cats.Monoid
 
 import docspell.backend.BackendApp
 import docspell.backend.auth.AuthToken
@@ -10,7 +11,7 @@ import docspell.backend.ops.OCustomFields.{RemoveValue, SetValue}
 import docspell.backend.ops.OFulltext
 import docspell.backend.ops.OItemSearch.Batch
 import docspell.common.syntax.all._
-import docspell.common.{Ident, ItemState}
+import docspell.common._
 import docspell.restapi.model._
 import docspell.restserver.Config
 import docspell.restserver.conv.Conversions
@@ -51,8 +52,19 @@ object ItemRoutes {
           _    <- logger.ftrace(s"Got search mask: $mask")
           query = Conversions.mkQuery(mask, user.account)
           _ <- logger.ftrace(s"Running query: $query")
-          resp <- mask.fullText match {
-            case Some(fq) if cfg.fullTextSearch.enabled =>
+          resp <- mask match {
+            case SearchFulltextOnly(ftq) if cfg.fullTextSearch.enabled =>
+              val ftsIn = OFulltext.FtsInput(ftq.query)
+              for {
+                items <- backend.fulltext.findIndexOnly(cfg.maxNoteLength)(
+                  ftsIn,
+                  user.account,
+                  Batch(mask.offset, mask.limit).restrictLimitTo(cfg.maxItemPageSize)
+                )
+                ok <- Ok(Conversions.mkItemListWithTagsFtsPlain(items))
+              } yield ok
+
+            case SearchWithFulltext(fq) if cfg.fullTextSearch.enabled =>
               for {
                 items <- backend.fulltext.findItems(cfg.maxNoteLength)(
                   query,
@@ -61,6 +73,7 @@ object ItemRoutes {
                 )
                 ok <- Ok(Conversions.mkItemListFts(items))
               } yield ok
+
             case _ =>
               for {
                 items <- backend.itemSearch.findItems(cfg.maxNoteLength)(
@@ -78,8 +91,19 @@ object ItemRoutes {
           _    <- logger.ftrace(s"Got search mask: $mask")
           query = Conversions.mkQuery(mask, user.account)
           _ <- logger.ftrace(s"Running query: $query")
-          resp <- mask.fullText match {
-            case Some(fq) if cfg.fullTextSearch.enabled =>
+          resp <- mask match {
+            case SearchFulltextOnly(ftq) if cfg.fullTextSearch.enabled =>
+              val ftsIn = OFulltext.FtsInput(ftq.query)
+              for {
+                items <- backend.fulltext.findIndexOnly(cfg.maxNoteLength)(
+                  ftsIn,
+                  user.account,
+                  Batch(mask.offset, mask.limit).restrictLimitTo(cfg.maxItemPageSize)
+                )
+                ok <- Ok(Conversions.mkItemListWithTagsFtsPlain(items))
+              } yield ok
+
+            case SearchWithFulltext(fq) if cfg.fullTextSearch.enabled =>
               for {
                 items <- backend.fulltext.findItemsWithTags(cfg.maxNoteLength)(
                   query,
@@ -390,4 +414,40 @@ object ItemRoutes {
     def notEmpty: Option[String] =
       opt.map(_.trim).filter(_.nonEmpty)
   }
+
+  object SearchFulltextOnly {
+    implicit private val identMonoid: Monoid[Ident] =
+      Monoid.instance(Ident.unsafe(""), _ / _)
+
+    implicit private val timestampMonoid: Monoid[Timestamp] =
+      Monoid.instance(Timestamp.Epoch, (a, _) => a)
+
+    implicit private val directionMonoid: Monoid[Direction] =
+      Monoid.instance(Direction.Incoming, (a, _) => a)
+
+    implicit private val idListMonoid: Monoid[IdList] =
+      Monoid.instance(IdList(Nil), (a, b) => IdList(a.ids ++ b.ids))
+
+    implicit private val boolMonoid: Monoid[Boolean] =
+      Monoid.instance(false, _ || _)
+
+    private val itemSearchMonoid: Monoid[ItemSearch] =
+      cats.derived.semiauto.monoid
+
+    def unapply(m: ItemSearch): Option[ItemFtsSearch] =
+      m.fullText match {
+        case Some(fq) =>
+          val me = m.copy(fullText = None, offset = 0, limit = 0)
+          if (itemSearchMonoid.empty == me)
+            Some(ItemFtsSearch(m.offset, m.limit, fq))
+          else None
+        case _ =>
+          None
+      }
+  }
+
+  object SearchWithFulltext {
+    def unapply(m: ItemSearch): Option[String] =
+      m.fullText
+  }
 }

project/Dependencies.scala

@@ -21,6 +21,7 @@ object Dependencies {
   val Icu4jVersion            = "68.1"
   val JsoupVersion            = "1.13.1"
   val KindProjectorVersion    = "0.10.3"
+  val KittensVersion          = "2.2.0"
   val LevigoJbig2Version      = "2.0"
   val Log4sVersion            = "1.9.0"
   val LogbackVersion          = "1.2.3"
@@ -41,6 +42,11 @@ object Dependencies {
   val JQueryVersion           = "3.5.1"
   val ViewerJSVersion         = "0.5.8"
 
+
+  val kittens = Seq(
+    "org.typelevel" %% "kittens" % KittensVersion
+  )
+
   val calevCore = Seq(
     "com.github.eikek" %% "calev-core" % CalevVersion
   )