chore: Prepare Scala 3 compatibility by adding -Xsource:3 compiler flag

.scalafmt.conf

@@ -1,5 +1,5 @@
 version = "3.7.15"
-runner.dialect = scala213
+runner.dialect = Scala213Source3
 maxColumn = 120
 align.preset = most
 align.multiline = false

build.sbt

@@ -2,11 +2,11 @@ import com.typesafe.sbt.SbtNativePackager.autoImport.NativePackagerHelper.*
 import com.typesafe.sbt.packager.docker.DockerPlugin.autoImport.{Docker, dockerRepository}
 import com.typesafe.sbt.packager.docker.{Cmd, ExecCmd}
 import org.knora.Dependencies
-import sbt.Keys.version
 import sbt.*
-import sys.process.*
+import sbt.Keys.version
 
 import scala.language.postfixOps
+import scala.sys.process.*
 
 //////////////////////////////////////
 // GLOBAL SETTINGS
@@ -177,6 +177,8 @@ lazy val webapi: Project = Project(id = "webapi", base = file("webapi"))
   )
   .settings(
     scalacOptions ++= Seq(
+      "-Xsource:3",
+      "-Wconf:msg=constructor modifiers are assumed:s",
       "-feature",
       "-unchecked",
       "-deprecation",

integration/src/test/scala/org/knora/sipi/SipiIT.scala

@@ -318,7 +318,9 @@ object MockDspApiServer {
   }
 
   def resetAndGetWireMockServer: URIO[WireMockServer, WireMockServer] =
-    ZIO.serviceWith[WireMockServer] { it => it.resetAll(); it }
+    ZIO.serviceWith[WireMockServer] { it =>
+      it.resetAll(); it
+    }
 
   def resetAndStubGetResponse(url: String, status: Int): URIO[WireMockServer, WireMockServer] =
     resetAndGetWireMockServer.tap(server => ZIO.succeed(stubGetJsonResponse(server, url, status)))

integration/src/test/scala/org/knora/webapi/responders/v2/ontology/CardinalitiesSpec.scala

@@ -34,7 +34,9 @@ class CardinalitiesSpec extends CoreSpec {
             _.isPropertyUsedInResources(internalClassIri, internalPropertyIri)
           )
         )
-      resF map { res => println(res); assert(res, "property is used in resource (instance of that resource class)") }
+      resF map { res =>
+        println(res); assert(res, "property is used in resource (instance of that resource class)")
+      }
     }
 
     "detect that property is not in use, when not used in a resource" in {
@@ -81,7 +83,9 @@ class CardinalitiesSpec extends CoreSpec {
             _.isPropertyUsedInResources(internalClassIri, internalPropertyIri)
           )
         )
-      resF map { res => println(res); assert(res, "property is used in resource (instance of resource class)") }
+      resF map { res =>
+        println(res); assert(res, "property is used in resource (instance of resource class)")
+      }
     }
 
     "detect that property is in use, when used in a resource of a subclass" in {
@@ -93,7 +97,9 @@ class CardinalitiesSpec extends CoreSpec {
         UnsafeZioRun.runToFuture(
           ZIO.serviceWithZIO[CardinalityHandler](_.isPropertyUsedInResources(internalClassIri, internalPropertyIri))
         )
-      resF map { res => println(res); assert(res, "property is used in a resource of subclass") }
+      resF map { res =>
+        println(res); assert(res, "property is used in a resource of subclass")
+      }
     }
   }
 }

webapi/src/main/scala/dsp/constants/SalsahGui.scala

@@ -5,7 +5,7 @@
 
 package dsp.constants
 
-import dsp.errors._
+import dsp.errors.*
 
 /**
  * Contains string constants for IRIs from ontologies used by the application.

webapi/src/main/scala/dsp/valueobjects/Schema.scala

@@ -8,9 +8,7 @@ package dsp.valueobjects
 import com.google.gwt.safehtml.shared.UriUtils.encodeAllowEscapes
 import zio.prelude.ZValidation.Failure
 import zio.prelude.ZValidation.Success
-import zio.prelude._
-
-import scala.collection.immutable.List
+import zio.prelude.*
 
 import dsp.constants.SalsahGui
 import dsp.errors.ValidationException
@@ -278,7 +276,7 @@ object Schema {
       case Some(valueType) if valueType.toString() == "iri" => {
         val iriWithoutBrackets: Option[String] =
           if (value.startsWith("<") && value.endsWith(">")) Some(value.substring(1, value.length - 1)) else None
-        iriWithoutBrackets.map { valueWithoutBrackets: String =>
+        iriWithoutBrackets.map { valueWithoutBrackets =>
           if (Iri.urlValidator.isValid(encodeAllowEscapes(valueWithoutBrackets))) value else None
         }
       }

webapi/src/main/scala/dsp/valueobjects/User.scala

@@ -7,12 +7,12 @@ package dsp.valueobjects
 
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder
 import org.springframework.security.crypto.scrypt.SCryptPasswordEncoder
-import zio._
+import zio.*
 import zio.config.magnolia.Descriptor
 import zio.json.JsonCodec
 import zio.json.JsonDecoder
 import zio.json.JsonEncoder
-import zio.prelude.Assertion._
+import zio.prelude.Assertion.*
 import zio.prelude.Subtype
 import zio.prelude.Validation
 

webapi/src/main/scala/dsp/valueobjects/V2.scala

@@ -5,7 +5,7 @@
 
 package dsp.valueobjects
 
-import zio.json._
+import zio.json.*
 
 object V2 {
 

webapi/src/main/scala/org/knora/webapi/Main.scala

@@ -5,9 +5,9 @@
 
 package org.knora.webapi
 
-import zio._
+import zio.*
 
-import org.knora.webapi.core._
+import org.knora.webapi.core.*
 import org.knora.webapi.slice.infrastructure.MetricsServer
 import org.knora.webapi.util.Logger
 
@@ -30,6 +30,6 @@
   /**
    *  Entrypoint of our Application
    */
-  override def run: ZIO[Environment with ZIOAppArgs with Scope, Any, Any] =
+  override def run: ZIO[Environment & ZIOAppArgs & Scope, Any, Any] =
     AppServer.make *> MetricsServer.make
 }

webapi/src/main/scala/org/knora/webapi/config/AppConfig.scala

@@ -6,10 +6,10 @@
 package org.knora.webapi.config
 
 import com.typesafe.config.ConfigFactory
-import zio._
-import zio.config._
-import zio.config.magnolia._
-import zio.config.typesafe._
+import zio.*
+import zio.config.*
+import zio.config.magnolia.*
+import zio.config.typesafe.*
 
 import java.time.Duration
 
@@ -203,7 +203,7 @@ final case class InstrumentationServerConfig(
 )
 
 object AppConfig {
-  type AppConfigurations = AppConfig with JwtConfig with DspIngestConfig with Triplestore
+  type AppConfigurations = AppConfig & JwtConfig & DspIngestConfig & Triplestore
 
   val layer: ULayer[AppConfigurations] = {
     val appConfigLayer = ZLayer {

webapi/src/main/scala/org/knora/webapi/core/ActorSystem.scala

@@ -6,7 +6,7 @@
 package org.knora.webapi.core
 
 import org.apache.pekko
-import zio._
+import zio.*
 import zio.macros.accessible
 
 import scala.concurrent.ExecutionContext

webapi/src/main/scala/org/knora/webapi/core/AppRouter.scala

@@ -6,7 +6,7 @@
 package org.knora.webapi.core
 
 import org.apache.pekko
-import zio._
+import zio.*
 import zio.macros.accessible
 
 import org.knora.webapi.core
@@ -32,17 +32,8 @@ trait AppRouter {
 
 object AppRouter {
   val layer: ZLayer[
-    core.ActorSystem
-      with CardinalityHandler
-      with CardinalityService
-      with ConstructResponseUtilV2
-      with MessageRelay
-      with OntologyCache
-      with OntologyHelpers
-      with OntologyRepo
-      with PermissionUtilADM
-      with ResourceUtilV2
-      with StandoffTagUtilV2,
+    core.ActorSystem & CardinalityHandler & CardinalityService & ConstructResponseUtilV2 & MessageRelay &
+      OntologyCache & OntologyHelpers & OntologyRepo & PermissionUtilADM & ResourceUtilV2 & StandoffTagUtilV2,
     Nothing,
     AppRouter
   ] =
@@ -52,15 +43,8 @@ object AppRouter {
         messageRelay <- ZIO.service[MessageRelay]
         runtime <-
           ZIO.runtime[
-            CardinalityHandler
-              with CardinalityService
-              with ConstructResponseUtilV2
-              with OntologyCache
-              with OntologyHelpers
-              with OntologyRepo
-              with PermissionUtilADM
-              with ResourceUtilV2
-              with StandoffTagUtilV2
+            CardinalityHandler & CardinalityService & ConstructResponseUtilV2 & OntologyCache & OntologyHelpers &
+              OntologyRepo & PermissionUtilADM & ResourceUtilV2 & StandoffTagUtilV2
           ]
       } yield new AppRouter {
         implicit val system: org.apache.pekko.actor.ActorSystem = as.system

webapi/src/main/scala/org/knora/webapi/core/AppServer.scala

@@ -5,7 +5,7 @@
 
 package org.knora.webapi.core
 
-import zio._
+import zio.*
 
 import org.knora.webapi.config.AppConfig
 import org.knora.webapi.core.domain.AppState
@@ -156,15 +156,8 @@ final case class AppServer(
 object AppServer {
 
   private type AppServerEnvironment =
-    State
-      with TriplestoreService
-      with RepositoryUpdater
-      with ActorSystem
-      with OntologyCache
-      with IIIFService
-      with CacheService
-      with HttpServer
-      with AppConfig
+    State & TriplestoreService & RepositoryUpdater & ActorSystem & OntologyCache & IIIFService & CacheService &
+      HttpServer & AppConfig
 
   /**
    * Initializes the AppServer instance with the required services

webapi/src/main/scala/org/knora/webapi/core/HttpServer.scala

@@ -6,7 +6,7 @@
 package org.knora.webapi.core
 
 import org.apache.pekko
-import zio._
+import zio.*
 
 import org.knora.webapi.config.AppConfig
 import org.knora.webapi.core
@@ -22,7 +22,7 @@ trait HttpServer {
 }
 
 object HttpServer {
-  val layer: ZLayer[ActorSystem with AppConfig with ApiRoutes, Nothing, HttpServer] =
+  val layer: ZLayer[ActorSystem & AppConfig & ApiRoutes, Nothing, HttpServer] =
     ZLayer.scoped {
       for {
         as        <- ZIO.service[core.ActorSystem]

webapi/src/main/scala/org/knora/webapi/core/LayersLive.scala

@@ -11,7 +11,7 @@ import zio.ZLayer
 import org.knora.webapi.config.AppConfig
 import org.knora.webapi.config.AppConfig.AppConfigurations
 import org.knora.webapi.messages.StringFormatter
-import org.knora.webapi.messages.util._
+import org.knora.webapi.messages.util.*
 import org.knora.webapi.messages.util.search.QueryTraverser
 import org.knora.webapi.messages.util.search.gravsearch.prequery.InferenceOptimizationService
 import org.knora.webapi.messages.util.search.gravsearch.transformers.ConstructTransformer
@@ -20,20 +20,20 @@ import org.knora.webapi.messages.util.search.gravsearch.types.GravsearchTypeInsp
 import org.knora.webapi.messages.util.standoff.StandoffTagUtilV2
 import org.knora.webapi.messages.util.standoff.StandoffTagUtilV2Live
 import org.knora.webapi.responders.IriService
-import org.knora.webapi.responders.admin._
-import org.knora.webapi.responders.v2._
+import org.knora.webapi.responders.admin.*
+import org.knora.webapi.responders.v2.*
 import org.knora.webapi.responders.v2.ontology.CardinalityHandler
 import org.knora.webapi.responders.v2.ontology.CardinalityHandlerLive
 import org.knora.webapi.responders.v2.ontology.OntologyHelpers
 import org.knora.webapi.responders.v2.ontology.OntologyHelpersLive
-import org.knora.webapi.routing._
-import org.knora.webapi.slice.admin.api._
+import org.knora.webapi.routing.*
+import org.knora.webapi.slice.admin.api.*
 import org.knora.webapi.slice.admin.api.service.MaintenanceRestService
 import org.knora.webapi.slice.admin.api.service.ProjectADMRestService
 import org.knora.webapi.slice.admin.api.service.ProjectsADMRestServiceLive
-import org.knora.webapi.slice.admin.domain.service._
+import org.knora.webapi.slice.admin.domain.service.*
 import org.knora.webapi.slice.admin.repo.service.KnoraProjectRepoLive
-import org.knora.webapi.slice.common.api._
+import org.knora.webapi.slice.common.api.*
 import org.knora.webapi.slice.common.repo.service.PredicateObjectMapper
 import org.knora.webapi.slice.ontology.api.service.RestCardinalityService
 import org.knora.webapi.slice.ontology.api.service.RestCardinalityServiceLive
@@ -65,62 +65,17 @@ object LayersLive {
    * The `Environment` that we require to exist at startup.
    */
   type DspEnvironmentLive =
-    ActorSystem
-      with ApiRoutes
-      with AppConfigurations
-      with AppRouter
-      with Authenticator
-      with CacheService
-      with CacheServiceRequestMessageHandler
-      with CardinalityHandler
-      with CardinalityService
-      with ConstructResponseUtilV2
-      with ConstructTransformer
-      with GravsearchTypeInspectionRunner
-      with GroupsResponderADM
-      with HttpServer
-      with IIIFRequestMessageHandler
-      with IIIFService
-      with InferenceOptimizationService
-      with IriService
-      with IriConverter
-      with JwtService
-      with KnoraProjectRepo
-      with ListsResponderADM
-      with ListsResponderV2
-      with MessageRelay
-      with OntologyCache
-      with OntologyHelpers
-      with OntologyRepo
-      with OntologyResponderV2
-      with PermissionUtilADM
-      with PermissionsResponderADM
-      with PredicateObjectMapper
-      with ProjectADMRestService
-      with ProjectADMService
-      with ProjectExportService
-      with ProjectExportStorageService
-      with ProjectImportService
-      with ProjectsResponderADM
-      with QueryTraverser
-      with RepositoryUpdater
-      with ResourceUtilV2
-      with ResourceUtilV2
-      with ResourcesResponderV2
-      with RestCardinalityService
-      with RestPermissionService
-      with RestResourceInfoService
-      with SearchResponderV2
-      with SipiResponderADM
-      with OntologyInferencer
-      with StandoffResponderV2
-      with StandoffTagUtilV2
-      with State
-      with StoresResponderADM
-      with StringFormatter
-      with TriplestoreService
-      with UsersResponderADM
-      with ValuesResponderV2
+    ActorSystem & ApiRoutes & AppConfigurations & AppRouter & Authenticator & CacheService &
+      CacheServiceRequestMessageHandler & CardinalityHandler & CardinalityService & ConstructResponseUtilV2 &
+      ConstructTransformer & GravsearchTypeInspectionRunner & GroupsResponderADM & HttpServer &
+      IIIFRequestMessageHandler & IIIFService & InferenceOptimizationService & IriService & IriConverter & JwtService &
+      KnoraProjectRepo & ListsResponderADM & ListsResponderV2 & MessageRelay & OntologyCache & OntologyHelpers &
+      OntologyRepo & OntologyResponderV2 & PermissionUtilADM & PermissionsResponderADM & PredicateObjectMapper &
+      ProjectADMRestService & ProjectADMService & ProjectExportService & ProjectExportStorageService &
+      ProjectImportService & ProjectsResponderADM & QueryTraverser & RepositoryUpdater & ResourceUtilV2 &
+      ResourceUtilV2 & ResourcesResponderV2 & RestCardinalityService & RestPermissionService & RestResourceInfoService &
+      SearchResponderV2 & SipiResponderADM & OntologyInferencer & StandoffResponderV2 & StandoffTagUtilV2 & State &
+      StoresResponderADM & StringFormatter & TriplestoreService & UsersResponderADM & ValuesResponderV2
 
   /**
    * All effect layers needed to provide the `Environment`

webapi/src/main/scala/org/knora/webapi/core/MessageRelay.scala

@@ -5,7 +5,7 @@
 
 package org.knora.webapi.core
 
-import zio._
+import zio.*
 import zio.macros.accessible
 
 import org.knora.webapi.messages.ResponderRequest

webapi/src/main/scala/org/knora/webapi/core/State.scala

@@ -5,7 +5,7 @@
 
 package org.knora.webapi.core
 
-import zio._
+import zio.*
 import zio.macros.accessible
 
 import org.knora.webapi.core.domain.AppState