Payload.swift

import Foundation

public struct Payload: Codable, Equatable, Hashable {
    public var text: String
    public var reply: Reply?
    public var attachment: Attachment?

    public init(text: String, reply: Reply?, attachment: Attachment?) {
        self.text = text
        self.reply = reply
        self.attachment = attachment
    }

    public init(with marshaled: Data) throws {
        let proto = try CMIXText(serializedData: marshaled)

        var reply: Reply?

        if proto.hasReply {
            reply = Reply(
                messageId: proto.reply.messageID,
                senderId: proto.reply.senderID
            )
        }

        self.init(text: proto.text, reply: reply, attachment: nil)
    }

    public func asData() -> Data {
        var protoModel = CMIXText()
        protoModel.text = text

        if let reply = reply {
            protoModel.reply = reply.asTextReply()
        }

        return try! protoModel.serializedData()
    }
}