ktor api

KTOR API พื้นฐาน

รุ่น:

@Serializable
data class User ( val id : Int , val name : String , val age : Int , val email : String )

crud ขั้นพื้นฐาน

getall

      get {
          if (users.isNotEmpty()){
              call.respond(users)
          } else {
              call.respondText( " No hay usuarios " ,status = HttpStatusCode . OK )
          }
      }

getByid

     get( " {id?} " ){
          val id = call.parameters[ " id " ] ? : return @get call.respondText( " id no encontrada " ,status = HttpStatusCode . BadRequest )
          val user = users.find{it.id == id.toInt()} ? : return @get call.respondText( " Usuario con id $id no encontrado " , status = HttpStatusCode . NotFound )
         call.respond(user)
    }

โพสต์ (เพิ่มผู้ใช้)

 post {
      val user = call.receive< User >()
      users.add(user)
      call.respondText( " Usuario creado correctamente " , status = HttpStatusCode . Created )
      }

ใส่ (ผู้ใช้ mod)

 put( " {id?} " ) {
      val user = call.receive< User >()
      val id = (call.parameters[ " id " ] ? : return @put call.respondText( " Id introducida no valida " , status = HttpStatusCode . BadRequest ))
      val userFound = users.find { it.id == id.toInt() } ? : return @put call.respondText(
      " Usuario no encontrado " ,
      status = HttpStatusCode . NotFound
  )
      users[users.indexOf(userFound)]  = user

      call.respondText( " Usuario con id $id ha sido cambiado " , status = HttpStatusCode . Accepted )
    }

ลบ

 delete( " {id?} " ){
        val id = call.parameters[ " id " ] ? : return @delete call.respondText( " id no encontrada " , status = HttpStatusCode . BadRequest )
        if (users.removeIf({it.id == id.toInt()})){
            call.respondText( " Usuario eliminado correctamente " , status = HttpStatusCode . Accepted )
        } else {
            call.respondText( " Usuario con id $id no encontrado " ,status = HttpStatusCode . NotFound )
        }
    }