parkspace_module/parkspace_allocation/parkspace_operating_function.cpp

/*
 * @Description: 车位数据库管理
 * @Author: yct
 * @Date: 2020-07-19 09:57:45
 * @LastEditTime: 2020-07-22 19:07:45
 * @LastEditors: yct
 */

#include "parkspace_operating_function.h"



// 从数据库获得所有车位信息，用于车位模块初始化
Error_manager Parkspace_operating_function::get_all_parkspace_info(message::Parkspace_allocation_data_msg &all_parkspace_info)
{
	//执行sql操作
	std::string get_all_space_sql = "select * from parkingspace";
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(get_all_space_sql, tp_result);
	if(ec == SUCCESS)
	{
		if (tp_result == nullptr)
		{
			return DB_RESULT_SET_EMPTY;
		}
		all_parkspace_info.clear_parkspace_info();
		while (tp_result->next())
		{
			message::Parkspace_info *t_parkspace = all_parkspace_info.add_parkspace_info();
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				t_parkspace->set_parkspace_id(tp_result->getInt("parkingSpaceID"));
				t_parkspace->set_block_id(tp_result->getInt("parkingSpaceBlockID"));
				t_parkspace->set_index(tp_result->getInt("parkingSpaceIndex"));
				if (tp_result->getInt("parkingSpaceDirection") > 0)
				{
					t_parkspace->set_direction(message::Direction::eForward);
				}
				else
				{
					t_parkspace->set_direction(message::Direction::eBackward);
				}
				t_parkspace->set_floor(tp_result->getInt("parkingSpaceFloor"));
				switch (tp_result->getInt("parkingSpaceState"))
				{
					case 0:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_empty);
						break;
					case 1:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_occupied);
						break;
					case 2:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_reserved);
						break;
					case 3:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_locked);
						break;
					case 4:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_error);
						break;
					default:
						t_parkspace->set_parkspace_status(message::Parkspace_status::eParkspace_error);
						break;
				}
				t_parkspace->set_width(tp_result->getDouble("parkSpaceWidth"));
				t_parkspace->set_height(tp_result->getDouble("parkSpaceHeight"));
				t_parkspace->mutable_car_info()->set_license(tp_result->getString("parkSpaceCarLicense"));
				t_parkspace->mutable_car_info()->set_car_length(tp_result->getDouble("parkSpaceCarLength"));
				t_parkspace->mutable_car_info()->set_car_width(tp_result->getDouble("parkSpaceCarWidth"));
				t_parkspace->mutable_car_info()->set_car_height(tp_result->getDouble("parkSpaceCarHeight"));
				t_parkspace->set_entry_time(tp_result->getString("entryTime"));
				t_parkspace->set_leave_time(tp_result->getString("leaveTime"));
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(),
						e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
		}
		return SUCCESS;
	}
	else
	{
	    return ec;
	}
}

// 清除数据库中所有车位号牌，状态全修改为空闲
Error_manager Parkspace_operating_function::clear_all_parkspace_info()
{

	//执行sql操作
	char update_space_sql[1024];
	memset(update_space_sql, 0, 1024);
	sprintf(update_space_sql, "update parkingspace set parkingSpaceState = 0,parkSpaceCarLicense = NULL,parkSpaceCarLength = 0,parkSpaceCarWidth = 0,parkSpaceCarHeight = 0,entryTime = NULL,leaveTime = NULL");
	Error_manager ec = Database_controller::get_instance_pointer()->sql_update(update_space_sql);
	return ec;
}
// 更新数据库中车位状态
//根据车位ID更改车位状态
Error_manager Parkspace_operating_function::update_parkspace_data(message::Parkspace_info parkspace_info)
{
	//执行sql操作
	char update_space_sql[1024];
	memset(update_space_sql, 0, 1024);
	int status = -1;
	switch (parkspace_info.parkspace_status())
	{
	case message::Parkspace_status::eParkspace_empty:
		status = 0;
		break;
	case message::Parkspace_status::eParkspace_occupied:
		status = 1;
		break;
	case message::Parkspace_status::eParkspace_reserved:
		status = 2;
		break;
	case message::Parkspace_status::eParkspace_locked:
		status = 3;
		break;
	case message::Parkspace_status::eParkspace_error:
		status = 4;
		break;
	default:
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							 "参数错误 Parkspace_operating_function::update_parkspace_data error ");
		break;
	}
	if(parkspace_info.has_car_info() && status!=message::Parkspace_status::eParkspace_empty)
	{
		sprintf(update_space_sql, "update parkingspace set parkingSpaceState = %d,parkSpaceCarLicense = '%s',parkSpaceCarLength = %.3f,parkSpaceCarWidth = %.3f,parkSpaceCarHeight = %.3f,entryTime = '%s',leaveTime = '%s' where parkingSpaceID = %d",
				status,
				parkspace_info.car_info().license().c_str(),
				parkspace_info.car_info().has_car_length()?parkspace_info.car_info().car_length():0.0f,
				parkspace_info.car_info().car_width(),
				parkspace_info.car_info().car_height(),
				parkspace_info.entry_time().c_str(),
				parkspace_info.leave_time().c_str(),
				parkspace_info.parkspace_id());
	}else
	{
		sprintf(update_space_sql, "update parkingspace set parkingSpaceState = %d,parkSpaceCarLicense = NULL,parkSpaceCarLength = 0,parkSpaceCarWidth = 0,parkSpaceCarHeight = 0,entryTime = NULL,leaveTime = NULL where parkingSpaceID = %d", status, parkspace_info.parkspace_id());
	}
	//boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_update(update_space_sql);
	return ec;
}

// 更新数据库车辆信息，车位信息中包含车辆信息用于匹配更新
Error_manager Parkspace_operating_function::update_vehicle_with_parkspace(message::Parkspace_info parkspace_info, message::Vehicle_status &vehicle_status)
{
	//执行sql操作
	if(!parkspace_info.has_car_info())
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							"参数错误 Parkspace_operating_function::update_vehicle_with_parkspace error ");;
	}
	std::string find_vehicle_sql = std::string("select * from vehicle where numberPlate = '").append(parkspace_info.car_info().license()).append("'");
	boost::shared_ptr<sql::ResultSet> query_vehicle_result = nullptr;
	Database_controller::get_instance_pointer()->sql_query(find_vehicle_sql, query_vehicle_result);
	//判断车辆是否存在
	if(query_vehicle_result == nullptr || !query_vehicle_result->next())
	{
		return insert_vehicle_with_parkspace(parkspace_info, vehicle_status);
	}
	else
	{
		char update_vehicle_sql[1024];
		memset(update_vehicle_sql, 0, 1024);
		int vehicle_status_code = -1;
		switch (vehicle_status)
		{
		case message::Vehicle_status::eVehicle_idle:
			vehicle_status_code = 0;
			break;
		case message::Vehicle_status::eVehicle_in_garage:
			vehicle_status_code = 1;
			break;
		case message::Vehicle_status::eVehicle_parking:
			vehicle_status_code = 2;
			break;
		case message::Vehicle_status::eVehicle_fetching:
			vehicle_status_code = 3;
			break;
		case message::Vehicle_status::eVehicle_reserved:
			vehicle_status_code = 4;
			break;
		default:
			return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
								 "参数错误 Parkspace_operating_function::update_vehicle_with_parkspace error ");
			break;
		}
		//车位为空，仅更新车辆状态与长宽高
		if(parkspace_info.parkspace_id() <= 0)
		{
			sprintf(update_vehicle_sql, "update vehicle set vehicleParkState = %d,carLength=%.3f,carWidth=%.3f,carHeight=%.3f where numberPlate = '%s'",
					vehicle_status_code,
					parkspace_info.car_info().car_length(),
					parkspace_info.car_info().car_width(),
					parkspace_info.car_info().car_height(),
					parkspace_info.car_info().license().c_str());
		}
		//车位不为空，表示车辆所在车位，同时更新
		else
		{
			 sprintf(update_vehicle_sql, "update vehicle set vehicleParkState = %d,carLength=%.3f,carWidth=%.3f,carHeight=%.3f,parkingSpaceID=%d where numberPlate = '%s'",
					vehicle_status_code,
					parkspace_info.car_info().car_length(),
					parkspace_info.car_info().car_width(),
					parkspace_info.car_info().car_height(),
					parkspace_info.parkspace_id(),
					parkspace_info.car_info().license().c_str());
		}
		Error_manager ec = Database_controller::get_instance_pointer()->sql_update(update_vehicle_sql);
		return ec;

	 }
}
//更新停车记录ID
Error_manager Parkspace_operating_function::update_record_id(std::string license, int record_id)
{

	message::Vehicle_status vehicle_status;
	int t_record_id;
	Error_manager ec = query_vehicle(license,vehicle_status,t_record_id);
	if ( vehicle_status != message::Vehicle_status::eVehicle_in_garage )
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							 " Parkspace_operating_function::insert_vehicle_with_parkspace error ");
	}
	char update_vehicle_sql[1024];
	memset(update_vehicle_sql, 0, 1024);
	sprintf(update_vehicle_sql, "update vehicle set parkingRecordsID = %d where numberPlate = '%s'",record_id,license.c_str());
	ec = Database_controller::get_instance_pointer()->sql_update(update_vehicle_sql);
	return ec;
}
// 插入车辆
Error_manager Parkspace_operating_function::insert_vehicle_with_parkspace(message::Parkspace_info parkspace_info, message::Vehicle_status &vehicle_status)
{
	//执行sql操作
	if(!parkspace_info.has_car_info())
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							" Parkspace_operating_function::insert_vehicle_with_parkspace error ");
	}
	char insert_vehicle_sql[1024];
	memset(insert_vehicle_sql, 0, 1024);
	int vehicle_status_code = -1;
	switch (vehicle_status)
	{
		case message::Vehicle_status::eVehicle_idle:
			vehicle_status_code = 0;
			break;
		case message::Vehicle_status::eVehicle_in_garage:
			vehicle_status_code = 1;
			break;
		case message::Vehicle_status::eVehicle_parking:
			vehicle_status_code = 2;
			break;
		case message::Vehicle_status::eVehicle_fetching:
			vehicle_status_code = 3;
			break;
		case message::Vehicle_status::eVehicle_reserved:
			vehicle_status_code = 4;
			break;
		default:
			return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
								 "参数错误 Parkspace_operating_function::insert_vehicle_with_parkspace error ");
			break;
	}
	//车位为空，仅更新车辆状态与长宽高
	if(parkspace_info.parkspace_id() <= 0)
	{
		sprintf(insert_vehicle_sql, "INSERT INTO vehicle (numberPlate,vehicleParkState,carLength,carWidth,carHeight) values ('%s',%d,%.3f,%.3f,%.3f)",
				parkspace_info.car_info().license().c_str(),
				vehicle_status_code,
				parkspace_info.car_info().car_length(),
				parkspace_info.car_info().car_width(),
				parkspace_info.car_info().car_height());
	}
	//车位不为空，表示车辆在车位，同时更新
	else
	{
		sprintf(insert_vehicle_sql, "INSERT INTO vehicle (numberPlate,vehicleParkState,carLength,carWidth,carHeight,parkingSpaceID) values ('%s',%d,%.3f,%.3f,%.3f,%d)",
			parkspace_info.car_info().license().c_str(),
			vehicle_status_code,
			parkspace_info.car_info().car_length(),
			parkspace_info.car_info().car_width(),
			parkspace_info.car_info().car_height(),
			parkspace_info.parkspace_id());
	}
	Error_manager ec = Database_controller::get_instance_pointer()->sql_insert(insert_vehicle_sql);
	return ec;

}

// 插入停车记录
Error_manager Parkspace_operating_function::insert_parking_record(message::Parkspace_info parkspace_info)
{
	//参数中必须包含车辆信息与车位编号
	if(!parkspace_info.has_car_info() || parkspace_info.parkspace_id() <= 0)
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							 "参数错误 Parkspace_operating_function::insert_parking_record error ");
	}
	char insert_parking_record_sql[1024];
	memset(insert_parking_record_sql, 0, 1024);
	//将车辆号牌，车位ID，记录状态，停车与取车时间写入
		sprintf(insert_parking_record_sql, "INSERT INTO parkingrecords (numberPlate,parkingSpaceID,realParkTime) values ('%s',%d,'%s')",
				parkspace_info.car_info().license().c_str(),
				parkspace_info.parkspace_id(),
				parkspace_info.entry_time().c_str());
	Error_manager ec = Database_controller::get_instance_pointer()->sql_insert(insert_parking_record_sql);
	return ec;

}

// 更新停车记录，待计费系统加入后完善！！！
Error_manager Parkspace_operating_function::update_parking_record(message::Parkspace_info parkspace_info, int record_id)
{
	//执行sql操作
	if(!parkspace_info.has_car_info() || parkspace_info.parkspace_id() <= 0)
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
										   "参数错误 update_parking_record::insert_parking_record error ");;
	}
	char update_parking_record_sql[1024];
	memset(update_parking_record_sql, 0, 1024);
	sprintf(update_parking_record_sql, "update parkingrecords set realGetTime='%s',parkingPrice=%d where parkingRecordsID = %d",
			parkspace_info.leave_time().c_str(),
			0,
			record_id);
	Error_manager ec = Database_controller::get_instance_pointer()->sql_update(update_parking_record_sql);
	return ec;

}

// 根据车位编号查询车位信息
Error_manager Parkspace_operating_function::query_one_parkspace_with_parkspace_id(int parkspace_id, message::Parkspace_info &parkspace_info)
{
	//执行sql操作
	std::string query_parkspace_sql = std::string("select * from parkingspace where parkingSpaceID=").append(std::to_string(parkspace_id));
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(query_parkspace_sql, tp_result);
	if(ec == SUCCESS)
	{
		if(tp_result == nullptr)
		{
			return Error_manager(Error_code::DB_RESULT_SET_EMPTY, Error_level::MAJOR_ERROR,
								" 数据库外层查询返回结果空指针 Parkspace_operating_function::query_one_parkspace_with_parkspace_id error ");;
		}
		if (tp_result->next())
		{
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				switch (tp_result->getInt("parkingSpaceState"))
				{
				case 0:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_empty);
					break;
				case 1:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_occupied);
					break;
				case 2:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_reserved);
					break;
				case 3:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_locked);
					break;
				case 4:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_error);
					break;
				default:
					parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_error);
					break;
				}
				parkspace_info.set_parkspace_id(tp_result->getInt("parkingSpaceID"));
				parkspace_info.set_block_id(tp_result->getInt("parkingSpaceBlockID"));
				parkspace_info.set_index(tp_result->getInt("parkingSpaceIndex"));
				parkspace_info.set_direction(tp_result->getInt("parkingSpaceDirection") > 0 ? message::Direction::eForward : message::Direction::eBackward);
				parkspace_info.set_floor(tp_result->getInt("parkingSpaceFloor"));
				parkspace_info.set_width(tp_result->getDouble("parkSpaceWidth"));
				parkspace_info.set_height(tp_result->getDouble("parkSpaceHeight"));

				parkspace_info.mutable_car_info()->set_license(tp_result->getString("parkSpaceCarLicense"));
				parkspace_info.mutable_car_info()->set_car_length(tp_result->getDouble("parkSpaceCarLength"));
				parkspace_info.mutable_car_info()->set_car_width(tp_result->getDouble("parkSpaceCarWidth"));
				parkspace_info.mutable_car_info()->set_car_height(tp_result->getDouble("parkSpaceCarHeight"));
				parkspace_info.set_entry_time(tp_result->getString("entryTime"));
				parkspace_info.set_leave_time(tp_result->getString("leaveTime"));
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(), e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}

			if (tp_result->next())
			{
				return Error_manager(Error_code::DB_QUERY_DATA_REPEAT, Error_level::MAJOR_ERROR,
									 "数据库查询数据重复 Parkspace_operating_function::query_one_parkspace_with_parkspace_id error ");
			}
		}
		else
		{
			return Error_manager(Error_code::DB_QUERY_NOT_DATA, Error_level::MINOR_ERROR,
								 "数据库查询未找到数据 Parkspace_operating_function::query_one_parkspace_with_parkspace_id error ");
		}

		return SUCCESS;
	}
	else
	{
		return ec;
	}

}
// 根据车牌号查询车位
Error_manager Parkspace_operating_function::query_one_parkspace_with_license(std::string license, message::Parkspace_info &parkspace_info)
{
	//执行sql操作
	std::string query_parkspace_sql = std::string("select * from parkingspace where parkSpaceCarLicense='").append(license).append("'");
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(query_parkspace_sql, tp_result);
	if(ec == SUCCESS)
	{
		if(tp_result == nullptr)
		{
			return Error_manager(Error_code::DB_RESULT_SET_EMPTY, Error_level::MINOR_ERROR,
			"数据库外层查询返回结果空指针 Parkspace_operating_function::query_one_parkspace_with_license error ");
		}
		if (tp_result->next())
		{
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				switch (tp_result->getInt("parkingSpaceState"))
				{
					case 0:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_empty);
						break;
					case 1:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_occupied);
						break;
					case 2:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_reserved);
						break;
					case 3:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_locked);
						break;
					case 4:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_error);
						break;
					default:
						parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_error);
						break;
				}
				parkspace_info.set_parkspace_id(tp_result->getInt("parkingSpaceID"));
				parkspace_info.set_block_id(tp_result->getInt("parkingSpaceBlockID"));
				parkspace_info.set_index(tp_result->getInt("parkingSpaceIndex"));
				parkspace_info.set_direction(tp_result->getInt("parkingSpaceDirection") > 0 ? message::Direction::eForward : message::Direction::eBackward);
				parkspace_info.set_floor(tp_result->getInt("parkingSpaceFloor"));
				parkspace_info.set_width(tp_result->getDouble("parkSpaceWidth"));
				parkspace_info.set_height(tp_result->getDouble("parkSpaceHeight"));

				parkspace_info.mutable_car_info()->set_license(tp_result->getString("parkSpaceCarLicense"));
				parkspace_info.mutable_car_info()->set_car_length(tp_result->getDouble("parkSpaceCarLength"));
				parkspace_info.mutable_car_info()->set_car_width(tp_result->getDouble("parkSpaceCarWidth"));
				parkspace_info.mutable_car_info()->set_car_height(tp_result->getDouble("parkSpaceCarHeight"));
				parkspace_info.set_entry_time(tp_result->getString("entryTime"));
				parkspace_info.set_leave_time(tp_result->getString("leaveTime"));
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(), e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			if (tp_result->next())
			{
				return Error_manager(Error_code::DB_QUERY_DATA_REPEAT, Error_level::MAJOR_ERROR,
									 "数据库查询数据重复 Parkspace_operating_function::query_one_parkspace_with_license error ");
			}
		}
		else
		{
			return Error_manager(Error_code::DB_QUERY_NOT_DATA, Error_level::MINOR_ERROR,
								 "数据库未查询到数据 Parkspace_operating_function::query_one_parkspace_with_license error ");
		}

		return SUCCESS;
	}
	else
	{
		return ec;
	}

}
// 找到一个空车位
Error_manager Parkspace_operating_function::query_one_empty_parkspace(message::Parkspace_info &parkspace_info)
{
	//执行sql操作
	std::string query_parkspace_sql = std::string("select * from parkingspace where parkingSpaceState=0");
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(query_parkspace_sql, tp_result);
	if(ec == SUCCESS)
	{
		if(tp_result == nullptr)
		{
			return DB_RESULT_SET_EMPTY;
		}
		if (tp_result->next())
		{
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				if ( tp_result->getInt("parkingSpaceState") != message::Parkspace_status::eParkspace_empty )
				{
				    return Error_manager(Error_code::DB_QUERY_DATA_FAILED, Error_level::MAJOR_ERROR,
				    					"数据库查询数据错误 Parkspace_operating_function::query_one_empty_parkspace error ");
				}
				parkspace_info.set_parkspace_status(message::Parkspace_status::eParkspace_empty);
				parkspace_info.set_parkspace_id(tp_result->getInt("parkingSpaceID"));
				parkspace_info.set_block_id(tp_result->getInt("parkingSpaceBlockID"));
				parkspace_info.set_index(tp_result->getInt("parkingSpaceIndex"));
				parkspace_info.set_direction(tp_result->getInt("parkingSpaceDirection") > 0 ? message::Direction::eForward : message::Direction::eBackward);
				parkspace_info.set_floor(tp_result->getInt("parkingSpaceFloor"));
				parkspace_info.set_width(tp_result->getDouble("parkSpaceWidth"));
				parkspace_info.set_height(tp_result->getDouble("parkSpaceHeight"));
				parkspace_info.mutable_car_info()->set_license(tp_result->getString("parkSpaceCarLicense"));
				parkspace_info.mutable_car_info()->set_car_length(tp_result->getDouble("parkSpaceCarLength"));
				parkspace_info.mutable_car_info()->set_car_width(tp_result->getDouble("parkSpaceCarWidth"));
				parkspace_info.mutable_car_info()->set_car_height(tp_result->getDouble("parkSpaceCarHeight"));
				parkspace_info.set_entry_time(tp_result->getString("entryTime"));
				parkspace_info.set_leave_time(tp_result->getString("leaveTime"));
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(), e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
		}
		else
		{
			return Error_manager(Error_code::DB_NOT_QUERY_EMPTY_PARKSPACE, Error_level::MINOR_ERROR,
								"数据库未查询到空车位 Parkspace_operating_function::query_one_empty_parkspace error ");
		}
		return SUCCESS;
	}
	else
	{
		return ec;
	}
	return SUCCESS;
}

// 查询车辆状态，暂时不使用
Error_manager Parkspace_operating_function::query_vehicle(std::string license, message::Vehicle_status &vehicle_status, int &park_record_id)
{
	//执行sql操作
	std::string query_parkspace_sql = std::string("select * from vehicle where numberPlate='").append(license).append("'");
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(query_parkspace_sql, tp_result);
	if(ec == SUCCESS)
	{
		if(tp_result == nullptr)
		{
			return Error_manager(Error_code::DB_RESULT_SET_EMPTY, Error_level::MINOR_ERROR,
								"Parkspace_operating_function::query_vehicle error ");
		}
		if (tp_result->next())
		{
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				switch (tp_result->getInt("vehicleParkState"))
				{
				case 0:
					vehicle_status = message::Vehicle_status::eVehicle_idle;
					break;
				case 1:
					vehicle_status = message::Vehicle_status::eVehicle_in_garage;
					break;
				case 2:
					vehicle_status = message::Vehicle_status::eVehicle_parking;
					break;
				case 3:
					vehicle_status = message::Vehicle_status::eVehicle_fetching;
					break;
				case 4:
					vehicle_status = message::Vehicle_status::eVehicle_reserved;
					break;
				case 5:
					vehicle_status = message::Vehicle_status::eVehicle_unknown;
				default:
					return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
										 "参数错误 Parkspace_operating_function::query_vehicle error ");
				}
				park_record_id = tp_result->getInt("parkingRecordsID");
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(), e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
		}
		return SUCCESS;
	}
	else
	{
		return ec;
	}
}

// 查询停车记录，根据车牌号、车位id查询，反馈停车记录id
Error_manager Parkspace_operating_function::query_parking_record(message::Parkspace_info &parkspace_info, int &record_id)
{
	//执行sql操作
	if(!parkspace_info.has_car_info() || parkspace_info.parkspace_id() <= 0)
	{
		return Error_manager(Error_code::PARAMETER_ERROR, Error_level::MINOR_ERROR,
							" Parkspace_operating_function::query_parking_record error ");
	}
	std::string query_park_record_sql = std::string("select * from parkingrecords where numberPlate='").append(parkspace_info.car_info().license()).append("' and parkingSpaceID=").append(std::to_string(parkspace_info.parkspace_id())).append(" ORDER BY parkingRecordsID DESC");
	boost::shared_ptr<sql::ResultSet>  tp_result = nullptr;
	Error_manager ec = Database_controller::get_instance_pointer()->sql_query(query_park_record_sql, tp_result);
	if(ec == SUCCESS)
	{
		if(tp_result == nullptr)
		{
			return Error_manager(Error_code::DB_RESULT_SET_EMPTY, Error_level::MINOR_ERROR,
								" Parkspace_operating_function::query_parking_record error ");
		}
		if (tp_result->next())
		{
			char buf[1024];
			memset(buf, 0, 1024);
			try
			{
				record_id = tp_result->getInt("parkingRecordsID");
			}
			catch (sql::SQLException &e)
			{
				/* Use what() (derived from std::runtime_error) to fetch the error message */
				sprintf(buf, "# ERR: %s\n (MySQL error code: %d, SQLState: %s", e.what(), e.getErrorCode(), e.getSQLState().c_str());
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
			catch (std::runtime_error &e)
			{
				sprintf(buf, "# ERR: %s\n ERR: runtime_error in  %s ", e.what(), __FILE__);
				return Error_manager(DB_RESULT_SET_PARSE_ERROR, NEGLIGIBLE_ERROR, buf);
			}
		}
		return SUCCESS;
	}
	else
	{
		return ec;
	}
}