GraphQL on Scala

Introduction for GraphQL and implementing GraphQL API using Scala.

Transcript

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8. https://speakerdeck.com/petitviolet/web-api-design
   
   
   

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9. https://speakerdeck.com/petitviolet/web-api-design
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13. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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14. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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15. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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16. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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17. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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18. งғؾ
    case class MyObject(id: Long, name: String)
    val myObjectType: ObjectType[Unit, MyObject] = derive.deriveObjectType()
    val myQuery: ObjectType[MyObjectRepository, Unit] = {
    ObjectType.apply(
    "MyQuery",
    fields[MyObjectRepository, Unit](
    { val idArg = Argument("id", LongType)
    Field(
    "findById",
    OptionType(myObjectType),
    arguments = idArg :: Nil,
    resolve = ctx => ctx.ctx.findById(ctx.arg(idArg)))
    },
    Field("all", ListType(myObjectType),
    resolve = ctx => Future { ctx.ctx.findAll })
    )
    )
    }
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