enum ConversationAction: Codable {
    case makeConversationActive(chat: Chat, roster: Roster?)

    case messagesUpdated(messages: [Message])

    case sendMessage(from: String, to: String, body: String)
    case setReplyText(String)

    case showAttachmentPicker(Bool)
    case sendAttachment(Attachment)
    case sendAttachmentDone
    case sendAttachmentError(reason: String)
}