io.cardell.openfeature.circe.JsonStructureConverters.scala Maven / Gradle / Ivy
/*
* Copyright 2023 Alex Cardell
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.cardell.openfeature.circe
import cats.syntax.all._
import io.circe.Json
import io.circe.JsonObject
import io.cardell.openfeature.FlagValue
import io.cardell.openfeature.FlagValue._
import io.cardell.openfeature.Structure
// TODO rename
object JsonStructureConverters {
def jsonToStructure(json: JsonObject): Structure = {
val structure = json.toMap.mapFilter {
case o if o.isObject =>
o.asObject.map(jsonToStructure).map(StructureValue(_))
case n if n.isNumber => n.asNumber.map(_.toDouble).map(DoubleValue(_))
case s if s.isString => s.asString.map(StringValue(_))
case b if b.isBoolean => b.asBoolean.map(BooleanValue(_))
case n if n.isNull => none[FlagValue]
case _ => none[FlagValue]
}
Structure(structure)
}
def structureToJson(structure: Structure): JsonObject = {
val json = structure.values.map { case (k, v) =>
val value =
v match {
case BooleanValue(b) => Json.fromBoolean(b)
case DoubleValue(d) => Json.fromDoubleOrNull(d)
case StringValue(s) => Json.fromString(s)
case IntValue(i) => Json.fromInt(i)
case StructureValue(s) => Json.fromJsonObject(structureToJson(s))
}
k -> value
}
JsonObject.fromMap(json)
}
}