1 /*
2  *  Make.org Core API
3  *  Copyright (C) 2020 Make.org
4  *
5  * This program is free software: you can redistribute it and/or modify
6  *  it under the terms of the GNU Affero General Public License as
7  *  published by the Free Software Foundation, either version 3 of the
8  *  License, or (at your option) any later version.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU Affero General Public License for more details.
14  *
15  *  You should have received a copy of the GNU Affero General Public License
16  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
17  *
18  */
19 
20 package org.make.core.technical.enumeratum
21 
22 import enumeratum.values.{StringEnumEntry, ValueEnum, ValueEnumEntry}
23 import io.circe.{Decoder, Encoder}
24 
25 trait FallbackingCirceEnum[A, B <: ValueEnumEntry[A]] { self: ValueEnum[A, B] =>
26 
27   def default(value: A): B
28 
29   def apply(value: A): B = withValueOpt(value).getOrElse(default(value))
30 
31   implicit def decoder(implicit d: Decoder[A]): Decoder[B] = Decoder[A].map(apply)
32   implicit def encoder(implicit e: Encoder[A]): Encoder[B] = Encoder[A].contramap(_.value)
33 
34 }
35 
36 object FallbackingCirceEnum {
37 
38   type FallbackingStringCirceEnum[A <: StringEnumEntry] = FallbackingCirceEnum[String, A]
39 
40 }