Use transactions at the http layer

app/src/main/kotlin/modules/ServerModule.kt

@@ -4,12 +4,14 @@ import be.simplenotes.app.Server
 import be.simplenotes.app.filters.AuthFilter
 import be.simplenotes.app.filters.AuthType
 import be.simplenotes.app.filters.ErrorFilter
+import be.simplenotes.app.filters.TransactionFilter
 import be.simplenotes.app.routes.Router
 import be.simplenotes.app.utils.StaticFileResolver
 import be.simplenotes.app.utils.StaticFileResolverImpl
 import be.simplenotes.app.views.ErrorView
 import be.simplenotes.shared.config.ServerConfig
 import org.eclipse.jetty.server.ServerConnector
+import org.http4k.core.Filter
 import org.http4k.core.RequestContexts
 import org.http4k.routing.RoutingHttpHandler
 import org.http4k.server.ConnectorBuilder
@@ -45,14 +47,16 @@ val serverModule = module {
             get(),
             requiredAuth = get(AuthType.Required.qualifier),
             optionalAuth = get(AuthType.Optional.qualifier),
-            errorFilter = get(named("ErrorFilter")),
             apiAuth = get(named("apiAuthFilter")),
-            get()
+            get(),
+            get(),
+            get(),
         )()
     }
     single { RequestContexts() }
-    single(AuthType.Optional.qualifier) { AuthFilter(get(), AuthType.Optional, get())() }
-    single(AuthType.Required.qualifier) { AuthFilter(get(), AuthType.Required, get())() }
-    single(named("ErrorFilter")) { ErrorFilter(get())() }
+    single<Filter>(AuthType.Optional.qualifier) { AuthFilter(get(), AuthType.Optional, get()) }
+    single<Filter>(AuthType.Required.qualifier) { AuthFilter(get(), AuthType.Required, get()) }
+    single { ErrorFilter(get()) }
+    single { TransactionFilter(get()) }
     single { ErrorView(get()) }
 }