iCall.h

#ifndef ICALL_H_
#define ICALL_H_

#include <vector>
#include <iostream>
#include <boost/system/error_code.hpp>

#ifdef TESTING
#include "gtest/gtest.h"
#endif

namespace dpyVoicecall {

enum CallDirection
{
    DIRECTION_OUTGOING = 0, 
    DIRECTION_INCOMING = 1 
};

enum CallStatus
{
    STATUS_WAITING = 0, 
    STATUS_RINGING = 1, 
    STATUS_DIALING = 2, 
    STATUS_CONVERSATION = 3, 
    STATUS_HELD = 4, 
    STATUS_FINISHED = 5, 
    STATUS_ALERTING = 6, 
    STATUS_DROPPED = 7, 
};

enum CallType
{
    TYPE_VOICE = 0, 
    TYPE_DATA_VOICE = 1, 
};

struct CallInformation
{
    std::string localSourceId = ""; 
    std::string remoteSourceId = ""; 
    dpyVoicecall::CallDirection direction; 
    dpyVoicecall::CallStatus status = CallStatus::STATUS_WAITING; 
    dpyVoicecall::CallType type = CallType::TYPE_VOICE; 
    struct tm creationDate = {}; 
    int durationSec = 0; 
};

} //dpyVoicecall

class CallObserver
{
public:
    virtual void updateCallStatus(const std::string& callid,const dpyVoicecall::CallStatus& status) = 0;
    virtual ~CallObserver()
    {
    }
};

class ICall
{
protected:
    int mCallId;
    std::string mSourceId;
    std::vector<CallObserver*> mObserversList;
    dpyVoicecall::CallInformation mCallInfo;

    void notifyCallStatusUpdate(const std::string& callid, const dpyVoicecall::CallStatus& status);


public:
    virtual ~ICall();

    boost::system::error_code subscribe(CallObserver* observer);
    boost::system::error_code unsubscribe(CallObserver* observer);

    int getId() const
    {
        return mCallId;
    }

    dpyVoicecall::CallStatus getStatus() const
    {
        return mCallInfo.status;
    }

    dpyVoicecall::CallDirection getDirection() const
    {
        return mCallInfo.direction;
    }

    std::string getSourceId() const
    {
        return mSourceId;
    }

    dpyVoicecall::CallInformation getCallInformation()
    {
        return mCallInfo;
    }

#ifdef TESTING
public:
    FRIEND_TEST(Call_Operations,Finish_call_while_ringing_ok);

#endif //TESTING
};

#endif /* ICALL_H_ */