Add classifier settings

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

@@ -0,0 +1,35 @@
+package docspell.common
+
+import docspell.common.syntax.all._
+
+import io.circe._
+import io.circe.generic.semiauto._
+
+/** Arguments to the classify-item task.
+  *
+  * This task is run periodically and learns from existing documents
+  * to create a model for predicting tags of new documents. The user
+  * must give a tag category as a subset of possible tags..
+  */
+case class LearnClassifierArgs(
+    collective: Ident
+) {
+
+  def makeSubject: String =
+    "Learn tags"
+
+}
+
+object LearnClassifierArgs {
+
+  val taskName = Ident.unsafe("learn-classifier")
+
+  implicit val jsonEncoder: Encoder[LearnClassifierArgs] =
+    deriveEncoder[LearnClassifierArgs]
+  implicit val jsonDecoder: Decoder[LearnClassifierArgs] =
+    deriveDecoder[LearnClassifierArgs]
+
+  def parse(str: String): Either[Throwable, LearnClassifierArgs] =
+    str.parseJsonAs[LearnClassifierArgs]
+
+}