#pragma once
#include "DataBaseHolder.h"
#include "scan_common.h"
class CBasicDataDownloader:public CDataBaseHolder,private IService
{
public:
	//数据状态
	enum DATA_STATE{
		//未工作
		DS_UNWORKING,
		//加载中
		DS_LOADING,
		//加载出错
		DS_ERROR,
		//加载完成
		DS_COMPLETE
	};
	//BasicDataDownloader错误代码
	enum BDD_ERROR_CODE{
		//正常
		BDD_ERROR_CODE_NORMAL,
		//请求失败
		BDD_ERROR_CODE_REQUEST_FAILTURE,
		//服务器发生错误
		BDD_ERROR_CODE_SERVER_ERROR,
		//试卷状态不正确
		BDD_ERROR_CODE_PAPER_STATE_ERROR,
	};
public:
	CBasicDataDownloader(void);
	~CBasicDataDownloader(void);


	//下载题型数据
	int download_question_std(CString examId,CString examCourseId);

	DATA_STATE GetDataState(){return m_data_state;}
	std::string GetExamName();
	std::string GetCourseCode();
	int GetErrorCode();
	std::string GetErrorMsg();
protected:
	virtual ServiceState OnRunning(void);
private:
	int download_question_std0( CString examId,CString examCourseId );
	DATA_STATE m_data_state;//数据状态
	enum TaskType{
		DOWNLOAD_QUESTION_STD,
		DOWNLOAD_SAME_CLASS_STUDENT
	} m_task_type;
	CString m_examId;
	CString m_exam_number;
	CString m_examCourseId;
	std::string m_exam_name;
	std::string m_course_code;
	BDD_ERROR_CODE m_error_code;
	std::string m_message;
};