chatgetthreadmessagestask.h

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/********************************************************************************************
* Twitch Broadcasting SDK
*
* This software is supplied under the terms of a license agreement with Twitch Interactive, Inc. and
* may not be copied or used except in accordance with the terms of that agreement
* Copyright (c) 2012-2016 Twitch Interactive, Inc.
*********************************************************************************************/

#ifndef TTVSDK_CHATGETTHREADMESSAGESTASK_H
#define TTVSDK_CHATGETTHREADMESSAGESTASK_H

#include "twitchsdk/core/task/task.h"
#include "twitchsdk/chat/internal/task/chatapitask.h"
#include "twitchsdk/chat/chattypes.h"
#include "twitchsdk/core/json/value.h"
#include <map>

namespace ttv
{
    namespace chat
    {
        class ChatGetThreadMessagesTask;
    }
}

class ttv::chat::ChatGetThreadMessagesTask : public ttv::chat::ChatApiTask
{
public:
    struct Result
    {
        std::vector<WhisperMessage> messageList;
        bool valid;
    };

    typedef std::function<void(ChatGetThreadMessagesTask* source, TTV_ErrorCode ec, std::shared_ptr<Result> result)> Callback;

public:
    ChatGetThreadMessagesTask(const std::string& authToken, const std::string& threadId, const TokenizationOptions& tokenizationOptions, const std::shared_ptr<BitsConfiguration>& bitsConfiguration, Callback&& callback);
    virtual ~ChatGetThreadMessagesTask();

    void FetchDefault(); // Fetches the most recent N messages, where N is determined on the server.
    void FetchRelative(MessageId beforeMessageId, uint32_t limit); // Fetches the last :limit messages before the given message id.
    void SetLocalUserNames(const std::vector<std::string>& localUserNames) { mLocalUserNames = localUserNames; } // Stores the local user's names for properly parsing mentions

protected:
    virtual const char* GetTaskName() const { return "ChatGetThreadMessagesTask"; }

    virtual void FillHttpRequestInfo(HttpRequestInfo& requestInfo);
    virtual void ResponseCallback(uint statusCode, const std::vector<char>& response, void* userData);
    virtual void ProcessResponse(const std::vector<char>& response);
    virtual void OnComplete();

private:
    std::shared_ptr<BitsConfiguration> mBitsConfiguration;
    std::vector<std::string> mLocalUserNames;
    std::shared_ptr<Result> mResult;
    Callback mCallback;
    TokenizationOptions mTokenizationOptions;
    std::string mThreadId;
    MessageId mBeforeMessageId;
    uint mLimit;
};

#endif  // TTVSDK_CHATGETTHREADMESSAGESTASK_H