server/module_service/module_attendance_vehicle.h

#ifndef MODULE_ATTENDANCE_VEHICLE_H
#define MODULE_ATTENDANCE_VEHICLE_H

/**
  *@brief 车辆考勤模块
  *车辆进入某些特定区域，结束考勤；从特定区域进入其他区域，开始考勤
  *@author 戴月腾
  *@date 2018-08-07
*/

#include <memory>
#include <mutex>
#include <map>
#include <string>
#include <chrono>
#include <vector>
#include <set>
#include "module_const.h"
#include "common_tool.h"
#include"module_meta_date_changed.h"
#include "db_tool.h"

/**
 * @brief 车辆进入某些特定区域，结束考勤；从特定区域进入其他区域，开始考勤, 单例
 */
class module_attendance_vehicle:public singleton_base<module_attendance_vehicle>
{
private:
    friend class singleton_base<module_attendance_vehicle>;
    module_attendance_vehicle()
    {
    }

public:
    void on_enter(std::shared_ptr<card_location_base> card_ptr, std::shared_ptr<area_hover>&c)
    {
        auto area_ptr = c->m_area;

        //从考勤状态转换为结束考勤
        if(is_not_attendance_area(area_ptr->m_id, card_ptr->get_vehicle_type_id()))
        {
            save_attendance(card_ptr, area_ptr);
        }
        else//没在考勤状态转换为考勤状态
        {
            auto mine_tool_ptr = card_ptr->get_mine_tool();
            if(!mine_tool_ptr->is_attendance())
            {
                //考勤开始
                mine_tool_ptr->m_stat_attendance=AS_ATTENDANCE;
                mine_tool_ptr->m_attendance_start_time=std::chrono::system_clock::now();

                //作为一条开始考勤记录保存到数据库
                db_tool::save_attendance(card_ptr);

                log_info("车卡考勤开始：卡id=%d，卡type=%d，区域id=%d, stat_attendance=%d",
                          card_ptr->m_id, card_ptr->m_type,
                          area_ptr->m_id,mine_tool_ptr->m_stat_attendance);
            }
        }
    }

//    void on_hover(std::shared_ptr<card_location_base> card_ptr,std::shared_ptr<area_hover>&c)
//    {
//    }


//    void on_leave(std::shared_ptr<card_location_base> card_ptr,std::shared_ptr<area_hover>&c)
//    {
//    }

    void init_attendance_area_from_db()
    {
        const char *sql = "select a.area_id, a.att_rule_id,  vt.vehicle_type_id \
                from dat_att_rule_area a, dat_att_rule_vehicle_type  vt, dat_att_rule r\
                where a.att_rule_id=vt.att_rule_id and a.att_rule_id=r.att_rule_id;";
        std::string Error;
        YADB::CDBResultSet DBRes;
        sDBConnPool.Query(sql,DBRes,Error);
        if(!Error.empty())
            log_error("初始化attendance_area Error,%s",Error.c_str());
        uint64_t nCount = DBRes.GetRecordCount( Error );
        if (nCount > 0)
        {
            log_info( "init_attendance_area_from_db. The record count=%ld\n", nCount );

            m_map.clear();
            while ( DBRes.GetNextRecod(Error) )
            {
                int area_id  = 0;
                DBRes.GetField( "area_id",area_id, Error );

                int att_rule_id  = 0;
                DBRes.GetField( "att_rule_id",att_rule_id, Error );

                int vehicle_type_id  = 0;
                DBRes.GetField( "vehicle_type_id",vehicle_type_id, Error );

                m_map.insert(std::make_pair(to_list_id(area_id, vehicle_type_id), att_rule_id));
            }
        }
    }

    ///area_ptr==nullptr 表示接收到 web的删除卡命令
    static void save_attendance(std::shared_ptr<card_location_base>& card_ptr, std::shared_ptr<area> area_ptr)
    {
        auto mine_tool_ptr = card_ptr->get_mine_tool();
        if(!mine_tool_ptr->is_attendance())
        {
            return;
        }

        //考勤结束
        mine_tool_ptr->m_stat_attendance=AS_NOT_ATTENDANCE;

        //作为一条结束考勤记录保存到数据库
        db_tool::save_attendance(card_ptr);

        if(area_ptr)
        {
            log_info("车卡考勤结束：卡id=%d，卡type=%d，区域id=%d, stat_attendance=%d",
                      card_ptr->m_id, card_ptr->m_type,
                      area_ptr->m_id,mine_tool_ptr->m_stat_attendance);
        }
        else
        {
            log_info("收到web的删除卡命令，车卡考勤结束：卡id=%d，卡type=%d，stat_attendance=%d",
                      card_ptr->m_id, card_ptr->m_type,mine_tool_ptr->m_stat_attendance);
        }
    }

private:
    bool is_not_attendance_area(int area_id, int vehicle_type_id)
    {
        return  m_map.end() != m_map.find(to_list_id(area_id, vehicle_type_id));
    }

    uint64_t to_list_id(int area_id, int vehicle_type_id)
    {
        return (static_cast<uint64_t>(area_id)<<32) | static_cast<uint64_t>(vehicle_type_id);
    }

    ///area_id<<32| vehicle_type_id; att_rule_id
    std::unordered_map<uint64_t, int> m_map;
};

#endif // MODULE_ATTENDANCE_VEHICLE_H