chatreplaytask.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.
 *********************************************************************************************/

#pragma once

#include "twitchsdk/core/task/task.h"
#include "twitchsdk/core/task/httptask.h"

namespace ttv
{
    namespace chat
    {
        class ChatReplayTask;
    }
}

class ttv::chat::ChatReplayTask : public ttv::HttpTask
{
public:
    struct Result
    {
        struct MessageBatch
        {
            std::vector<ReplayMessage> messages;
            uint64_t baseTimestamp;
        };
        
        std::vector< MessageBatch > messageListBatches;
        std::string nextUrl;
        bool hasNoMessages;
    };
    
    typedef std::function<void(ChatReplayTask* source, TTV_ErrorCode ec, std::shared_ptr<Result> result)> Callback;
    
public:
    ChatReplayTask(const std::string& vodId, Timestamp time, const TokenizationOptions& options, const std::shared_ptr<BitsConfiguration>& mBitsConfiguration, Callback&& callback);
    void SetFetchLimit(uint32_t limit);
    void SetCursorUrl(std::string url);
    
    // Stores the local user's names for properly parsing mentions
    void SetLocalUserNames(const std::vector<std::string>& localUserNames) { mLocalUserNames = localUserNames; }

protected:
    virtual const char* GetTaskName() const override { return "ChatReplayTask"; }
    
    virtual void FillHttpRequestInfo(HttpRequestInfo& requestInfo) override;
    virtual void ResponseCallback(uint statusCode, const std::vector<char>& response) override;
    virtual void ProcessResponse(uint statusCode, const std::vector<char>& response) override;
    virtual void OnComplete() override;
    
private:
    std::string mCursorUrl;
    std::string mVodId;
    Timestamp mTimestamp;
    uint32_t mLimit;
    std::shared_ptr<BitsConfiguration> mBitsConfiguration;
    std::vector<std::string> mLocalUserNames;
    std::shared_ptr<Result> mResult;
    TokenizationOptions mTokenizationOptions;
    Callback mCallback;
};