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redis4cats-streams

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/*
 * Copyright 2018-2021 ProfunKtor
 *
 * 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 dev.profunktor.redis4cats
package streams

object data {

  final case class XAddMessage[K, V](
      key: K,
      body: Map[K, V],
      approxMaxlen: Option[Long] = None,
      minId: Option[String] = None
  )
  final case class XReadMessage[K, V](id: MessageId, key: K, body: Map[K, V])
  final case class MessageId(value: String) extends AnyVal

  sealed trait StreamingOffset[K] extends Product with Serializable {
    def key: K
    def offset: String
  }

  object StreamingOffset {
    case class All[K](key: K) extends StreamingOffset[K] {
      override def offset: String = "0"
    }
    case class Latest[K](key: K) extends StreamingOffset[K] {
      override def offset: String = "$"
    }
    case class Custom[K](key: K, offset: String) extends StreamingOffset[K]
  }

}