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InputDsl.scala
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InputDsl.scala
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/*
* Copyright 2023 Valdemar Grange
*
* 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 gql.dsl
import gql.resolver._
import gql.ast._
import gql.parser.{Value => V, Const}
import gql._
import cats._
trait InputDslFull {
def arg[A](name: String)(implicit tpe: => In[A]): Arg[A] =
Arg.make[A](ArgValue(name, Eval.later(tpe), None, None))
def arg[A](name: String, description: String)(implicit tpe: => In[A]): Arg[A] =
Arg.make[A](ArgValue(name, Eval.later(tpe), None, Some(description)))
def arg[A](name: String, default: V[Const, Unit])(implicit tpe: => In[A]): Arg[A] =
Arg.make[A](ArgValue(name, Eval.later(tpe), Some(default), None))
def arg[A](name: String, default: V[Const, Unit], description: String)(implicit tpe: => In[A]): Arg[A] =
Arg.make[A](ArgValue(name, Eval.later(tpe), Some(default), Some(description)))
def argFull[A]: InputDsl.PartiallyAppliedArgFull[A] = new InputDsl.PartiallyAppliedArgFull[A]
def arged[F[_], I, A](a: Arg[A]) = Resolver.argument[F, I, A](a)
def input[A](
name: String,
fields: Arg[A]
): Input[A] = Input(name, fields)
}
object InputDsl extends InputDslFull {
final class PartiallyAppliedArgFull[A](private val dummy: Boolean = false) extends AnyVal {
def apply[B](name: String, default: Option[V[Const, Unit]], description: Option[String])(
f: ArgParam[A] => Either[String, B]
)(implicit tpe: => In[A]): Arg[B] =
Arg.makeFrom[A, B](ArgValue(name, Eval.later(tpe), default, description))(f)
}
}
object value {
def scalar[A](value: A)(implicit tpe: => Scalar[A]) =
tpe.encoder(value)
def fromEnum[A](value: A)(implicit tpe: => Enum[A]) =
tpe.revm.get(value).map(enumValue)
def enumValue(value: String) = V.EnumValue(value)
def arr(xs: V[Const, Unit]*) = V.ListValue(xs.toList)
def obj(xs: (String, V[Const, Unit])*) = V.ObjectValue(xs.toList)
def nullValue = V.NullValue()
}