144 lines
5.1 KiB
Go
144 lines
5.1 KiB
Go
package handler
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import (
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"errors"
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"fmt"
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"time"
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"github.com/gin-gonic/gin"
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"gorm.io/gorm"
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"nl-game-api-gin/internal/database"
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"nl-game-api-gin/internal/middleware"
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"nl-game-api-gin/internal/model"
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"nl-game-api-gin/internal/service"
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"nl-game-api-gin/pkg/resp"
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)
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// dayInt 把日期转成 yyyymmdd 整数（与 sign_ins.sign_day 对应）
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func dayInt(t time.Time) int {
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return t.Year()*10000 + int(t.Month())*100 + t.Day()
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}
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// calcSignPoints 计算签到基础积分：基础 + 连签加成（有上限），不含VIP加成
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func calcSignPoints(streak int) int {
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base := service.GetConfigInt(model.ConfKeySignBasePoints, 10)
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step := service.GetConfigInt(model.ConfKeySignStreakStep, 5)
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capDays := service.GetConfigInt(model.ConfKeySignStreakCap, 7)
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if streak > capDays {
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streak = capDays
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}
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return base + step*(streak-1)
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}
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// vipSigninBonus 查用户当前生效VIP等级与对应的签到加成积分（非VIP返回 0,0）
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func vipSigninBonus(uid int, now time.Time) (int, int) {
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var user model.User
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if err := database.DB.First(&user, uid).Error; err != nil {
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return 0, 0
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}
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level := service.UserVipLevel(&user, now)
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if level <= 0 {
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return 0, 0
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}
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var vl model.VipLevel
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if err := database.DB.Where("level = ?", level).First(&vl).Error; err != nil {
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return level, 0
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}
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return level, vl.SigninBonus
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}
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// SignInStatus 签到页数据：本月已签日期、今日是否已签、连签天数与奖励预告（含VIP加成）
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func SignInStatus(c *gin.Context) {
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uid := middleware.UID(c)
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now := time.Now()
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// 本月第一天的 yyyymmdd（用于筛选本月记录）
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monthStart := now.Year()*10000 + int(now.Month())*100 + 1
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var monthSigns []model.SignIn
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database.DB.Where("user_id = ? AND sign_day >= ?", uid, monthStart).Order("sign_day").Find(&monthSigns)
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signedDays := make([]int, 0, len(monthSigns))
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for _, s := range monthSigns {
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signedDays = append(signedDays, s.SignDay%100)
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}
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// 最近一次签到记录（用于计算今日/昨日连签）
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var last model.SignIn
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hasLast := database.DB.Where("user_id = ?", uid).Order("sign_day DESC").First(&last).Error == nil
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today := dayInt(now)
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yesterday := dayInt(now.AddDate(0, 0, -1))
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todaySigned := hasLast && last.SignDay == today
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// 计算"今天签到能连几天"（已签则取当前值）
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nextStreak := 1
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if hasLast {
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if last.SignDay == today {
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nextStreak = last.Streak
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} else if last.SignDay == yesterday {
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nextStreak = last.Streak + 1
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}
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}
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// VIP签到加成（随等级配置，非VIP为 0）
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vipLevel, vipBonus := vipSigninBonus(uid, now)
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resp.OK(c, gin.H{
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"year": now.Year(),
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"month": int(now.Month()),
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"today": now.Day(),
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"signed_days": signedDays, // 本月已签的"日"列表
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"today_signed": todaySigned, // 今日是否已签
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"streak": nextStreak, // 连签天数（今日签到后的值）
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"vip_level": vipLevel, // 当前生效VIP等级（0=非VIP）
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"vip_bonus": vipBonus, // VIP签到加成积分
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"today_points": calcSignPoints(nextStreak) + vipBonus, // 今日签到可得/已得积分（含加成）
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"next_points": calcSignPoints(nextStreak+1) + vipBonus, // 明日签到可得积分（预告，含加成）
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})
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}
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// DoSignIn 执行签到：防重复、算连签、发积分（基础 + 连签 + VIP加成）
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func DoSignIn(c *gin.Context) {
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uid := middleware.UID(c)
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now := time.Now()
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today := dayInt(now)
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yesterday := dayInt(now.AddDate(0, 0, -1))
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// 今日是否已签到
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var cnt int64
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database.DB.Model(&model.SignIn{}).Where("user_id = ? AND sign_day = ?", uid, today).Count(&cnt)
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if cnt > 0 {
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resp.Fail(c, "今天已经签过啦")
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return
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}
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// 昨天有签则连签 +1，否则从 1 重新计
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streak := 1
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var last model.SignIn
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if database.DB.Where("user_id = ?", uid).Order("sign_day DESC").First(&last).Error == nil {
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if last.SignDay == yesterday {
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streak = last.Streak + 1
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}
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}
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// 总积分 = 基础 + 连签加成 + VIP加成
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vipLevel, vipBonus := vipSigninBonus(uid, now)
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points := calcSignPoints(streak) + vipBonus
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remark := fmt.Sprintf("每日签到（连签 %d 天）", streak)
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if vipBonus > 0 {
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remark = fmt.Sprintf("每日签到（连签 %d 天，VIP%d 加成 +%d）", streak, vipLevel, vipBonus)
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}
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// 签到落库与积分发放在同一事务：任一步失败整体回滚，
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// 避免"签到行已写入（当天唯一约束挡住重签）但积分没到账"的中间态
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var balance int
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err := database.DB.Transaction(func(tx *gorm.DB) error {
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sign := model.SignIn{UserID: uid, SignDay: today, Streak: streak, Points: points}
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if err := tx.Create(&sign).Error; err != nil {
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// 唯一索引兜底（并发下重复签到会触发此分支）
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return errors.New("签到失败，请稍后重试")
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}
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b, err := service.ChangePoints(tx, uid, points, model.PointTypeSignIn, sign.ID, remark)
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if err != nil {
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return errors.New("积分发放失败")
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}
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balance = b
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return nil
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})
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if err != nil {
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resp.Fail(c, err.Error())
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return
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}
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resp.OK(c, gin.H{"points": points, "streak": streak, "balance": balance, "vip_bonus": vipBonus})
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}
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