hd/controllers/pc/lottery_draw.go

package pc

import (
	"fmt"
	"hudongzhuanjia/controllers"
	"hudongzhuanjia/models"
	activity_service "hudongzhuanjia/services/activity"
	lottery_service "hudongzhuanjia/services/lottery"
	"hudongzhuanjia/utils/code"
	"hudongzhuanjia/utils/define"
	"time"

	"github.com/ouxuanserver/osmanthuswine/src/core"
)

//抽奖
type LotteryDrawCtl struct {
	controllers.AuthorCtl
}

//开始抽奖
func (t *LotteryDrawCtl) Start() {
	ladderId := t.MustGetInt64("lottery_draw_ladder_id")

	ladder := new(models.LotteryDrawRuleLadder)
	exist, err := models.GetById(ladder, ladderId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_LOTTERY_RULE_NOT_EXIST, "抽奖规则不存在")

	if ladder.Status != define.StatusNotBegin {
		t.ERROR(fmt.Sprintf("该活动%s", ladder.Status), code.MSG_ERR)
	}
	ladder.Status = define.StatusRunning
	ladder.UpdatedAt = time.Now()
	t.CheckErr(models.Save(map[string]interface{}{
		"id=": ladderId,
	}, ladder, "status", "updated_at"))

	t.SUCCESS("操作成功")
}

//停止抽奖
func (t *LotteryDrawCtl) Stop() {
	ladderId := t.MustGetInt64("lottery_draw_ladder_id")

	ladder := new(models.LotteryDrawRuleLadder)
	exist, err := models.GetById(ladder, ladderId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_LOTTERY_RULE_NOT_EXIST, "抽奖规则不存在")

	if ladder.Status != define.StatusRunning {
		t.ERROR(fmt.Sprintf("该活动%s", ladder.Status), code.MSG_ERR)
	}

	ladder.Status = define.StatusEnding
	ladder.UpdatedAt = time.Now()
	t.CheckErr(models.Save(map[string]interface{}{
		"id=": ladderId,
	}, ladder, "status", "updated_at"))

	t.SUCCESS("操作成功")
}

type LotteryListResult struct {
	LotteryDrawActivityId   int64                  `json:"lottery_draw_activity_id"`
	LotteryDrawRuleId       int64                  `json:"lottery_draw_rule_id"`
	LotteryDrawActivityName string                 `json:"lottery_draw_name"`
	LotteryDrawLadders      []*LotteryLadderResult `json:"lottery_draw_ladders"`
	PrizeNumber             int64                  `json:"prize_number"`
}

type LotteryLadderResult struct {
	LotteryDrawRuleId   int64  `json:"-"`
	LotteryDrawLadderId int64  `json:"lottery_draw_ladder_id"`
	Status              string `json:"status"`
	PrizeName           string `json:"prize_name"`
	PrizeImg            string `json:"prize_img"`
	PrizeNumber         int64  `json:"prize_number"`
}

//获取所有抽奖活动列表
func (t *LotteryDrawCtl) List() {
	activityId := t.MustGetInt64("activity_id")

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	result := make([]*LotteryListResult, 0)
	err = core.GetXormAuto().Table(new(models.LotteryDrawActivity)).Alias("a").
		Select("a.id as lottery_draw_activity_id, r.id as lottery_draw_rule_id, a.lottery_draw_activity_name").
		Join("LEFT", models.AliasTableName(new(models.LotteryDrawRule), "r"),
			"a.id=r.lottery_draw_activity_id and r.is_delete=0").
		Where("a.is_delete=0 and a.activity_id=?", activityId).Find(&result)
	t.CheckErr(err)

	// 多地区的一个坑:分配给主会场的area_id不是主账号的area_id
	area := new(models.AreaStore)
	if t.MustGetCustomerPid() == 0 {
		exist, err = area.GetMainAreaById(activityId)
	} else {
		exist, err = area.GetAreaStoreById(t.MustGetAreaId())
	}
	t.CheckErr(err)
	t.Assert(exist, code.MSG_AREASTORE_NOT_EXIST, "地区不存在")

	ruleIds := make([]int64, 0)
	for _, v := range result {
		ruleIds = append(ruleIds, v.LotteryDrawRuleId)
	}
	ladders := make([]*LotteryLadderResult, 0)
	err = core.GetXormAuto().Table(new(models.LotteryDrawRuleLadder)).
		Select("id as lottery_draw_ladder_id, prize_name, prize_img, prize_number, lottery_draw_rule_id, status").
		Where("is_delete=0").In("lottery_draw_rule_id", ruleIds).Find(&ladders)
	t.CheckErr(err)

	ladderIds := make([]int64, 0)
	for _, ladder := range ladders {
		ladderIds = append(ladderIds, ladder.LotteryDrawLadderId)
	}

	records := make([]map[string]int64, 0)
	err = core.GetXormAuto().Table(new(models.LotteryDrawRecord)).Alias("r").
		Select("r.lottery_draw_rule_ladder_id as ladder_id, count(r.id) as num").
		Where("is_delete=0 and rehearsal_id=?", activity.RehearsalId).
		In("r.lottery_draw_rule_ladder_id", ladderIds).GroupBy("ladder_id").Find(&records)
	t.CheckErr(err)
	for i := range ladders {
		for j := range records {
			if ladders[i].LotteryDrawLadderId == records[j]["ladder_id"] {
				ladders[i].PrizeNumber = ladders[i].PrizeNumber - records[j]["num"]
			}
		}
	}

	for i := range result {
		for j := range ladders {
			if result[i].LotteryDrawRuleId == ladders[j].LotteryDrawRuleId {
				result[i].PrizeNumber += ladders[j].PrizeNumber
				result[i].LotteryDrawLadders = append(result[i].LotteryDrawLadders, ladders[j])
			}
		}
	}

	core.GetXormAuto().Table(new(models.LotteryDrawRecord)).Select("count()")

	t.JSON(map[string]interface{}{
		"total": len(result),
		"list":  result,
	})
}

//抽奖奖品
func (t *LotteryDrawCtl) Prize() {
	ruleId := t.MustGetInt64("lottery_draw_rule_id")

	list := make([]*models.LotteryDrawRuleLadder, 0)
	err := core.GetXormAuto().Where("is_delete=0 and lottery_draw_rule_id=?", ruleId).Find(&list)
	t.CheckErr(err)

	for index := range list {
		list[index].Des = "在该活动的所有用户中随机抽奖品数量的用户"
	}
	t.JSON(map[string]interface{}{
		"total": len(list),
		"lise":  list,
	})
}

type LotteryUsersResult struct {
	UserId   int64  `json:"user_id"`
	Username string `json:"username"`
	Avatar   string `json:"avatar"`
}

// 抽奖用户
func (t *LotteryDrawCtl) Users() {
	activityId := t.MustGetInt64("activity_id")
	ruleId := t.MustGetInt64("lottery_draw_rule_id")

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")

	area := new(models.AreaStore)
	if t.MustGetCustomerPid() == 0 {
		exist, err = area.GetMainAreaById(activityId)
	} else {
		exist, err = area.GetAreaStoreById(t.MustGetAreaId())
	}
	t.CheckErr(err)
	t.Assert(exist, code.MSG_AREASTORE_NOT_EXIST, "地区不存在")

	result := make([]*LotteryUsersResult, 0)
	session := core.GetXormAuto().Table(new(models.SignHistory)).Alias("h").
		Select("h.user_id, u.nickname as username, u.avatar").Distinct("h.user_id").
		Join("LEFT", new(models.User).Alias("u"), "h.user_id=u.id and u.is_delete = 0").
		Where("h.is_delete=0 and h.area_id=? and h.activity_id=? and h.rehearsal_id=?",
			area.Id, activityId, activity.RehearsalId)

	moduleService, exist, err := activity_service.GetModuleService(define.MODULE_LOTTERY, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_MODULE_NOT_EXIST, "活动模块不存在")
	if moduleService.BesideRepeat == define.MODULE_BESIDE_REPEAT {
		// 去重标志
		recordIds := make([]int64, 0)
		err = core.GetXormAuto().Table(new(models.LotteryDrawRecord)).Select("user_id").
			Where("lottery_draw_rule_id=? and rehearsal_id=? and area_id=? and is_delete=0",
				ruleId, activity.RehearsalId, area.Id).Find(&recordIds)
		t.CheckErr(err)
		session = session.NotIn("h.user_id", recordIds)
	}
	err = session.Find(&result)
	t.CheckErr(err)

	t.JSON(map[string]interface{}{
		"total": len(result),
		"list":  result,
	})
}

//抽奖动作
func (t *LotteryDrawCtl) Lottery() {
	activityId := t.MustGetInt64("activity_id")
	ruleId := t.MustGetInt64("lottery_draw_rule_id")
	ladderId := t.MustGetInt64("lottery_draw_ladder_id")
	number := t.MustGetInt("number") // 奖品数量

	activity := new(models.Activity)
	exist, err := models.GetById(activity, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_ACTIVITY_NOT_EXIST, "互动不存在")
	t.CheckRunning(activity.Status)

	// 多地区设置
	area := new(models.AreaStore)
	if t.MustGetCustomerPid() == 0 {
		exist, err = area.GetMainAreaById(activity.Id)
	} else {
		exist, err = area.GetAreaStoreById(t.MustGetAreaId())
	}
	t.CheckErr(err)
	t.Assert(exist, code.MSG_DATA_NOT_EXIST, "地区不存在")

	rule := new(models.LotteryDrawRule)
	exist, err = models.GetById(rule, ruleId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_DATA_NOT_EXIST, "抽奖规则不存在")
	//t.CheckRunning(rule.LotteryDrawStatus)

	// 查询奖品
	ladder := new(models.LotteryDrawRuleLadder)
	exist, err = models.GetById(ladder, ladderId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_DATA_NOT_EXIST, "抽奖等级不存在")
	t.CheckRunning(ladder.Status)

	count, err := core.GetXormAuto().Where("lottery_draw_rule_id=? and lottery_draw_rule_ladder_id=? "+
		"and rehearsal_id=? and area_id=? and is_delete=0", ruleId, ladderId, activity.RehearsalId, area.Id).
		Count(new(models.LotteryDrawRecord))
	t.CheckErr(err)

	prizeNum := ladder.PrizeNumber - int(count)
	if prizeNum <= 0 || prizeNum < number { // 需要抽奖的数量比数据库存在数量多
		t.ERROR("奖品数量不足", code.MSG_LOTTERY_PRIZE_NOT_ENOUGH)
	}

	//根据主活动id和地区id获取所有的用户
	signUpIds := make([]int64, 0)
	err = core.GetXormAuto().Table(new(models.SignUp)).Select("id").Where("activity_id=? and is_delete=0",
		activityId).Find(&signUpIds)
	t.CheckErr(err)
	if len(signUpIds) <= 0 {
		t.ERROR("暂无签到用户", code.MSG_DATA_NOT_EXIST)
	}

	moduleService, exist, err := activity_service.GetModuleService(define.MODULE_LOTTERY, activityId)
	t.CheckErr(err)
	t.Assert(exist, code.MSG_MODULE_NOT_EXIST, "活动模块不存在")
	// 取设置
	lotteryUsers := make([]*lottery_service.LotteryUser, 0)
	if moduleService.BesideRepeat == define.MODULE_BESIDE_REPEAT {
		// 去除同规则中将用户
		recordIds := make([]int64, 0)
		err = core.GetXormAuto().Table(new(models.LotteryDrawRecord)).Select("user_id").
			Where("lottery_draw_rule_id=? and rehearsal_id=? and area_id=? and is_delete=0",
				ruleId, activity.RehearsalId, area.Id).Find(&recordIds)
		t.CheckErr(err)

		//查询已经中奖的用户，剔除已经中奖的用户
		err = core.GetXormAuto().Table(new(models.SignHistory)).Select("user_id").
			Where("is_delete=0 and rehearsal_id=? and area_id=?",
				activity.RehearsalId, area.Id).In("sign_rule_id", signUpIds).
			NotIn("user_id", recordIds).Find(&lotteryUsers)
		t.CheckErr(err)
	} else {
		err = core.GetXormAuto().Table(new(models.SignHistory)).Select("user_id").
			Where("is_delete=0 and rehearsal_id=? and area_id=?",
				activity.RehearsalId, area.Id).In("sign_rule_id", signUpIds).Find(&lotteryUsers)
		t.CheckErr(err)
	}
	if len(lotteryUsers) < number {
		t.ERROR("抽奖人数不足", code.MSG_LOTTERY_PEOPLE_NOT_ENOUGH)
	}
	lottery_service.RandLotteryUser(lotteryUsers) // 打乱需要中奖人员
	winners := lotteryUsers[:number]
	userIds := make([]int64, 0)
	for _, winner := range winners {
		userIds = append(userIds, winner.UserId)
	}
	users := make([]*models.User, 0)
	err = core.GetXormAuto().Where("is_delete=0").In("id", userIds).Find(&users)
	t.CheckErr(err)
	for i := range winners {
		// 补全信息
		for j := range users {
			if winners[i].UserId == users[j].Id {
				winners[i].Username = users[j].Nickname
				winners[i].Avatar = users[j].Avatar
				winners[i].UserPhone = users[j].Phone
				winners[i].PrizeName = ladder.PrizeName
				winners[i].LadderId = ladder.Id
				winners[i].PrizeImg = ladder.PrizeImg
				break
			}
		}
		// 普通抽奖
		userPrize := new(models.UserPrize)
		userPrize.ActivityId = activityId
		userPrize.RehearsalId = activity.RehearsalId
		userPrize.ActivityName = activity.Name
		userPrize.UserId = winners[i].UserId
		userPrize.PrizeImg = ladder.PrizeImg
		userPrize.PrizeName = ladder.PrizeName
		userPrize.PrizeType = 1
		userPrize.IsDelete = false
		userPrize.CreatedAt = time.Now()
		userPrize.UpdatedAt = time.Now()
		_, err = core.GetXormAuto().Insert(userPrize)
		t.CheckErr(err)

		record := new(models.LotteryDrawRecord)
		record.UserPrizeId = userPrize.Id
		record.ActivityId = activityId
		record.RehearsalId = activity.RehearsalId
		record.LotteryDrawActivityId = rule.LotteryDrawActivityId
		record.LotteryDrawRuleId = rule.Id
		record.UserId = winners[i].UserId
		record.UserName = winners[i].Username
		record.UserPhone = winners[i].UserPhone
		record.LotteryDrawRuleLadderId = ladder.Id
		record.PrizeName = ladder.PrizeName
		record.AreaId = area.Id
		record.AreaName = area.Name
		record.IsDelete = false
		record.CreatedAt = time.Now()
		record.UpdatedAt = time.Now()
		_, err = core.GetXormAuto().InsertOne(record)
		t.CheckErr(err)
	}

	t.RAW(winners)
}

type WinnersResult struct {
	UserId    int64  `json:"user_id"`
	UserName  string `json:"user_name"`
	UserPhone string `json:"user_phone"`
	Avatar    string `json:"avatar"`
	PrizeName string `json:"prize_name"`
}

//获取中奖名单
func (t *LotteryDrawCtl) ListOfWinners() {
	ruleId := t.MustGetInt64("lottery_draw_rule_id")
	rehearsalId := t.MustGetInt64("rehearsal_id")

	result := make([]*WinnersResult, 0)
	err := core.GetXormAuto().Table("ox_lottery_draw_record").Alias("record").
		Join("LEFT", new(models.User).Alias("user"), "user.id=record.user_id and user.is_delete=0").
		Where("record.is_delete=0 and record.lottery_draw_rule_id=? and record.rehearsal_id=?", ruleId, rehearsalId).
		Find(&result)
	t.CheckErr(err)
	t.JSON(map[string]interface{}{
		"total": len(result),
		"list":  result,
	})
}