package com.ks.lucky.service.impl;
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import com.ks.lucky.exception.LuckyActivityException;
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import com.ks.lucky.mapper.LuckyActivityMapper;
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import com.ks.lucky.pojo.DO.LuckyActivity;
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import com.ks.lucky.pojo.DO.LuckyActivityOpenInfo;
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import com.ks.lucky.pojo.DTO.ActivityMQMsg;
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import com.ks.lucky.util.mq.CMQManager;
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import org.springframework.stereotype.Component;
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import org.springframework.transaction.annotation.Transactional;
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import javax.annotation.Resource;
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import java.util.Date;
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@Component
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public class LuckyActivityManager {
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@Resource
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private LuckyActivityMapper luckyActivityMapper;
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@Resource
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private LuckyActivityOpenInfoManager luckyActivityOpenInfoManager;
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/**
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* 活动是否还可以参加
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*
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* @param activityId
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* @return
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* @throws LuckyActivityException
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*/
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public boolean canJoin(Long activityId) throws LuckyActivityException {
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LuckyActivity activity = luckyActivityMapper.selectByPrimaryKey(activityId);
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if (activity == null) {
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throw new LuckyActivityException(LuckyActivityException.CODE_NOT_EXIST, "活动不存在");
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}
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if (activity.getState() != LuckyActivity.STATE_STARTED) {
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throw new LuckyActivityException(1, "活动不可参与");
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}
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if (activity.getCurrentPersonCount() >= activity.getMaxPersonCount()) {
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throw new LuckyActivityException(1, "参与人数已满");
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}
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return true;
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}
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/**
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* 添加参与数
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*
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* @param activityId
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* @param count
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* @throws LuckyActivityException
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*/
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@Transactional(rollbackFor = Exception.class)
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public void addJoinCount(Long activityId, int count) throws LuckyActivityException {
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LuckyActivity luckyActivity = luckyActivityMapper.selectByPrimaryKeyForUpdate(activityId);
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if (luckyActivity == null) {
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throw new LuckyActivityException(LuckyActivityException.CODE_NOT_EXIST, "活动不存在");
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}
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LuckyActivityOpenInfo openInfo = luckyActivityOpenInfoManager.getOpenInfo(activityId);
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if (openInfo == null) {
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throw new LuckyActivityException(1, "活动信息不完整");
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}
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int currentCount = luckyActivity.getCurrentPersonCount();
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LuckyActivity update = new LuckyActivity();
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update.setId(activityId);
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update.setCurrentPersonCount(currentCount + count);
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update.setUpdateTime(new Date());
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luckyActivityMapper.updateByPrimaryKeySelective(update);
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if (update.getCurrentPersonCount().intValue() >= openInfo.getMinPersonCount() && currentCount < openInfo.getMinPersonCount()) {
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//达到最低开奖人数
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CMQManager.getInstance().addActivityMsg(new ActivityMQMsg(activityId, ActivityMQMsg.TYPE_REACH_MIN_PERSON, new Date()));
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}
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if (update.getCurrentPersonCount().intValue() >= luckyActivity.getMaxPersonCount() && currentCount < luckyActivity.getMaxPersonCount()) {
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//达到最大开奖人数
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CMQManager.getInstance().addActivityMsg(new ActivityMQMsg(activityId, ActivityMQMsg.TYPE_REACH_MAX_PERSON, new Date()));
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}
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}
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/**
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* 启动活动
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*
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* @param activityId
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*/
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public void startUpActivity(Long activityId) throws LuckyActivityException {
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LuckyActivity luckyActivity = luckyActivityMapper.selectByPrimaryKeyForUpdate(activityId);
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if (luckyActivity == null) {
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throw new LuckyActivityException(LuckyActivityException.CODE_NOT_EXIST, "活动不存在");
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}
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if (luckyActivity.getState() != LuckyActivity.STATE_NOT_STARTED) {
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throw new LuckyActivityException(1, "活动尚未处于待启动状态");
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}
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//启动活动
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setState(activityId, LuckyActivity.STATE_STARTED, "已经启动");
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//设置实际开始时间
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LuckyActivity update = new LuckyActivity();
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update.setId(activityId);
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update.setActualStartTime(new Date());
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update.setUpdateTime(new Date());
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luckyActivityMapper.updateByPrimaryKeySelective(update);
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}
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/**
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* 结束活动
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*
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* @param activityId
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* @param force 是否强制结束
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* @param remarks
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*/
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@Transactional(rollbackFor = Exception.class)
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public void finishActivity(Long activityId, boolean force, String remarks) throws LuckyActivityException {
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LuckyActivity activity = luckyActivityMapper.selectByPrimaryKeyForUpdate(activityId);
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if (activity.getState() != LuckyActivity.STATE_STARTED) {
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throw new LuckyActivityException(1, "活动未处于已开始状态");
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}
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//设置活动处于强制结束状态
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if (force) {
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setState(activityId, LuckyActivity.STATE_FOUCE_FINISH, remarks);
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} else {
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setState(activityId, LuckyActivity.STATE_FINISH, remarks);
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}
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LuckyActivity update = new LuckyActivity();
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update.setId(activityId);
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update.setActualFinishTime(new Date());
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update.setUpdateTime(new Date());
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luckyActivityMapper.updateByPrimaryKeySelective(update);
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}
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/**
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* 按主键查询
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*
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* @param id
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* @return
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*/
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public LuckyActivity selectByPrimaryKey(Long id) {
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return luckyActivityMapper.selectByPrimaryKey(id);
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}
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/**
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* 设置状态
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*
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* @param activityId
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* @param state
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* @param stateRemarks
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*/
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public void setState(Long activityId, int state, String stateRemarks) {
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LuckyActivity activity = new LuckyActivity();
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activity.setId(activityId);
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activity.setState(state);
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activity.setStateRemarks(stateRemarks);
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activity.setUpdateTime(new Date());
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luckyActivityMapper.updateByPrimaryKeySelective(activity);
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}
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}
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