nepiedg
fd097729d7
- 成就系统、连续打卡天数计算、管理后台成就 CRUD - 梦想目标图标预设 DreamPreset 与用户端 dream-presets 接口 - 管理后台梦想图标 CRUD；戒烟打卡 summary 修正 - 忽略根目录编译产物 /api Made-with: Cursor
443 lines
12 KiB
Go
443 lines
12 KiB
Go
package service
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import (
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"context"
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"fmt"
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"math"
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"time"
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"gorm.io/gorm"
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smokemodel "wx_service/internal/smoke/model"
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)
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const defaultCigsPerPack = 20
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type SmokeStatsRequest struct {
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Range string
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Start time.Time
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End time.Time
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PrevStart time.Time
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PrevEnd time.Time
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TrendUnit string
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AsOf time.Time
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}
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type SmokeStatsResult struct {
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Range string `json:"range"`
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Start string `json:"start"`
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End string `json:"end"`
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TrendUnit string `json:"trend_unit"`
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Trend []SmokeStatsTrend `json:"trend"`
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DailyAverage int `json:"daily_average"`
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ChangePercent int `json:"change_percent"`
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Money SmokeStatsMoney `json:"money"`
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Health SmokeStatsHealth `json:"health"`
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StreakDays int `json:"streak_days"`
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ResistedTotal int `json:"resisted_total"`
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}
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type SmokeStatsTrend struct {
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Label string `json:"label"`
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Count int `json:"count"`
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}
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type SmokeStatsMoney struct {
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Available bool `json:"available"`
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PackPriceCent int `json:"pack_price_cent,omitempty"`
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CigsPerPack int `json:"cigs_per_pack,omitempty"`
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ExpectedTotal int `json:"expected_total,omitempty"`
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ActualTotal int `json:"actual_total,omitempty"`
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SavedCent int `json:"saved_cent,omitempty"`
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}
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type SmokeStatsHealth struct {
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Available bool `json:"available"`
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SmokeFreeMinutes int `json:"smoke_free_minutes,omitempty"`
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LungRecoveryPercent int `json:"lung_recovery_percent,omitempty"`
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Milestones []HealthMilestone `json:"milestones,omitempty"`
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}
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type HealthMilestone struct {
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Name string `json:"name"`
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Minutes int `json:"minutes"`
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Reached bool `json:"reached"`
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}
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func (s *SmokeLogService) Stats(ctx context.Context, uid int, req SmokeStatsRequest, profile *smokemodel.SmokeUserProfile) (SmokeStatsResult, error) {
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start := dateOnly(req.Start)
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end := dateOnly(req.End)
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trendUnit := req.TrendUnit
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var (
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trend []SmokeStatsTrend
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total int64
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err error
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)
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if trendUnit == "month" {
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trend, total, err = s.loadMonthlyTrend(ctx, uid, start, end)
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} else {
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trend, total, err = s.loadDailyTrend(ctx, uid, start, end)
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}
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if err != nil {
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return SmokeStatsResult{}, err
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}
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trend = limitTrend(trend, 7)
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dayCount := daysBetweenInclusive(start, end)
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dailyAvg := 0
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if dayCount > 0 {
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dailyAvg = int(math.Round(float64(total) / float64(dayCount)))
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}
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prevTotal, err := s.sumCigs(ctx, uid, req.PrevStart, req.PrevEnd)
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if err != nil {
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return SmokeStatsResult{}, err
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}
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changePercent := 0
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if prevTotal > 0 {
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changePercent = int(math.Round((float64(total) - float64(prevTotal)) / float64(prevTotal) * 100))
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}
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resistedTotal, err := s.countResisted(ctx, uid, start, end)
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if err != nil {
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return SmokeStatsResult{}, err
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}
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streakDays, err := s.computeStreakDays(ctx, uid, req.AsOf)
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if err != nil {
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return SmokeStatsResult{}, err
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}
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money := s.computeMoney(ctx, uid, profile, int(total), start, end)
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health, err := s.computeHealth(ctx, uid, req.AsOf)
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if err != nil {
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return SmokeStatsResult{}, err
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}
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return SmokeStatsResult{
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Range: req.Range,
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Start: start.Format("2006-01-02"),
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End: end.Format("2006-01-02"),
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TrendUnit: trendUnit,
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Trend: trend,
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DailyAverage: dailyAvg,
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ChangePercent: changePercent,
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Money: money,
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Health: health,
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StreakDays: streakDays,
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ResistedTotal: resistedTotal,
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}, nil
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}
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func limitTrend(items []SmokeStatsTrend, max int) []SmokeStatsTrend {
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if max <= 0 || len(items) <= max {
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return items
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}
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lastIndex := len(items) - 1
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out := make([]SmokeStatsTrend, 0, max)
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seen := make(map[int]struct{}, max)
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for i := 0; i < max; i++ {
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pos := int(math.Round(float64(i) * float64(lastIndex) / float64(max-1)))
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if _, ok := seen[pos]; ok {
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continue
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}
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seen[pos] = struct{}{}
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out = append(out, items[pos])
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}
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return out
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}
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func (s *SmokeLogService) loadDailyTrend(ctx context.Context, uid int, start, end time.Time) ([]SmokeStatsTrend, int64, error) {
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type dailyCount struct {
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SmokeTime time.Time `gorm:"column:smoke_time"`
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Total int64 `gorm:"column:total"`
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}
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var rows []dailyCount
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Select("smoke_time, SUM(num) AS total").
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), end.Format("2006-01-02")).
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Group("smoke_time").
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Order("smoke_time ASC").
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Find(&rows).Error; err != nil {
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return nil, 0, fmt.Errorf("load daily trend: %w", err)
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}
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counts := make(map[string]int64, len(rows))
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var total int64
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for _, row := range rows {
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key := dateOnly(row.SmokeTime).Format("2006-01-02")
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counts[key] = row.Total
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total += row.Total
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}
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out := make([]SmokeStatsTrend, 0, daysBetweenInclusive(start, end))
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for day := start; !day.After(end); day = day.AddDate(0, 0, 1) {
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label := day.Format("2006-01-02")
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out = append(out, SmokeStatsTrend{
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Label: label,
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Count: int(counts[label]),
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})
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}
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return out, total, nil
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}
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func (s *SmokeLogService) loadMonthlyTrend(ctx context.Context, uid int, start, end time.Time) ([]SmokeStatsTrend, int64, error) {
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type monthlyCount struct {
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Month string `gorm:"column:month"`
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Total int64 `gorm:"column:total"`
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}
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var rows []monthlyCount
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Select("DATE_FORMAT(smoke_time, '%Y-%m') AS month, SUM(num) AS total").
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), end.Format("2006-01-02")).
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Group("month").
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Order("month ASC").
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Find(&rows).Error; err != nil {
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return nil, 0, fmt.Errorf("load monthly trend: %w", err)
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}
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counts := make(map[string]int64, len(rows))
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var total int64
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for _, row := range rows {
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counts[row.Month] = row.Total
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total += row.Total
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}
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out := make([]SmokeStatsTrend, 0, 12)
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for cursor := time.Date(start.Year(), start.Month(), 1, 0, 0, 0, 0, time.Local); !cursor.After(end); cursor = cursor.AddDate(0, 1, 0) {
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label := cursor.Format("2006-01")
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out = append(out, SmokeStatsTrend{
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Label: label,
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Count: int(counts[label]),
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})
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}
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return out, total, nil
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}
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func (s *SmokeLogService) sumCigs(ctx context.Context, uid int, start, end time.Time) (int64, error) {
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start = dateOnly(start)
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end = dateOnly(end)
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var total int64
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), end.Format("2006-01-02")).
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Select("COALESCE(SUM(num), 0)").
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Scan(&total).Error; err != nil {
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return 0, fmt.Errorf("sum cigs: %w", err)
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}
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return total, nil
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}
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func (s *SmokeLogService) countResisted(ctx context.Context, uid int, start, end time.Time) (int, error) {
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start = dateOnly(start)
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end = dateOnly(end)
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var count int64
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("level = 0 AND num = 0").
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), end.Format("2006-01-02")).
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Count(&count).Error; err != nil {
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return 0, fmt.Errorf("count resisted: %w", err)
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}
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return int(count), nil
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}
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func (s *SmokeLogService) GetStreakDays(ctx context.Context, uid int, asOf time.Time) (int, error) {
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return s.computeStreakDays(ctx, uid, asOf)
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}
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func (s *SmokeLogService) computeStreakDays(ctx context.Context, uid int, asOf time.Time) (int, error) {
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asOf = dateOnly(asOf)
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start := asOf.AddDate(0, 0, -400)
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type row struct {
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SmokeTime time.Time `gorm:"column:smoke_time"`
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}
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var rows []row
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Distinct("smoke_time").
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), asOf.Format("2006-01-02")).
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Order("smoke_time DESC").
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Find(&rows).Error; err != nil {
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return 0, fmt.Errorf("load streak days: %w", err)
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}
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daySet := make(map[string]bool, len(rows))
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for _, r := range rows {
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daySet[dateOnly(r.SmokeTime).Format("2006-01-02")] = true
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}
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streak := 0
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for day := asOf; ; day = day.AddDate(0, 0, -1) {
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key := day.Format("2006-01-02")
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if !daySet[key] {
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break
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}
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streak++
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}
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return streak, nil
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}
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func (s *SmokeLogService) computeMoney(ctx context.Context, uid int, profile *smokemodel.SmokeUserProfile, actualTotal int, start, end time.Time) SmokeStatsMoney {
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if profile == nil || profile.BaselineCigsPerDay <= 0 || profile.PackPriceCent <= 0 {
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return SmokeStatsMoney{Available: false}
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}
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activeDays, err := s.countLogDays(ctx, uid, start, end)
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if err != nil {
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return SmokeStatsMoney{Available: false}
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}
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if activeDays <= 0 {
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return SmokeStatsMoney{
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Available: true,
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PackPriceCent: profile.PackPriceCent,
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CigsPerPack: defaultCigsPerPack,
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ExpectedTotal: 0,
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ActualTotal: actualTotal,
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SavedCent: 0,
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}
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}
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expectedTotal := profile.BaselineCigsPerDay * activeDays
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savedCigs := expectedTotal - actualTotal
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if savedCigs < 0 {
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savedCigs = 0
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}
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savedPacks := float64(savedCigs) / float64(defaultCigsPerPack)
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savedCent := int(math.Round(savedPacks * float64(profile.PackPriceCent)))
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return SmokeStatsMoney{
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Available: true,
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PackPriceCent: profile.PackPriceCent,
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CigsPerPack: defaultCigsPerPack,
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ExpectedTotal: expectedTotal,
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ActualTotal: actualTotal,
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SavedCent: savedCent,
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}
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}
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func (s *SmokeLogService) countLogDays(ctx context.Context, uid int, start, end time.Time) (int, error) {
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start = dateOnly(start)
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end = dateOnly(end)
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type row struct {
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SmokeTime time.Time `gorm:"column:smoke_time"`
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}
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var rows []row
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if err := s.db.WithContext(ctx).
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Model(&smokemodel.SmokeLog{}).
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Distinct("smoke_time").
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("smoke_time BETWEEN ? AND ?", start.Format("2006-01-02"), end.Format("2006-01-02")).
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Find(&rows).Error; err != nil {
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return 0, fmt.Errorf("count log days: %w", err)
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}
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return len(rows), nil
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}
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func (s *SmokeLogService) computeHealth(ctx context.Context, uid int, asOf time.Time) (SmokeStatsHealth, error) {
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lastSmokeAt, err := s.loadLastActualSmokeAt(ctx, uid)
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if err != nil {
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return SmokeStatsHealth{}, err
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}
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if lastSmokeAt == nil {
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return SmokeStatsHealth{Available: false}, nil
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}
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minutes := int(asOf.Sub(*lastSmokeAt).Minutes())
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if minutes < 0 {
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minutes = 0
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}
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return SmokeStatsHealth{
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Available: true,
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SmokeFreeMinutes: minutes,
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LungRecoveryPercent: computeLungRecoveryPercent(minutes),
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Milestones: buildHealthMilestones(minutes),
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}, nil
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}
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func (s *SmokeLogService) loadLastActualSmokeAt(ctx context.Context, uid int) (*time.Time, error) {
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var last smokemodel.SmokeLog
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if err := s.db.WithContext(ctx).
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Where("uid = ? AND (deletetime IS NULL OR deletetime = 0)", uid).
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Where("num > 0").
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Order("COALESCE(smoke_at, FROM_UNIXTIME(createtime), smoke_time) DESC").
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Order("id DESC").
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Limit(1).
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Take(&last).Error; err != nil {
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if err == gorm.ErrRecordNotFound {
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return nil, nil
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}
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return nil, fmt.Errorf("load last smoke log: %w", err)
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}
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if t, ok := lastEventTime(last); ok {
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return &t, nil
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}
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return nil, nil
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}
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func computeLungRecoveryPercent(smokeFreeMinutes int) int {
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days := float64(smokeFreeMinutes) / (24 * 60)
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switch {
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case days < 14:
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return int(math.Round((days / 14) * 15))
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case days < 30:
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return int(math.Round(15 + ((days-14)/16)*15))
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case days < 90:
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return int(math.Round(30 + ((days-30)/60)*20))
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default:
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val := 50 + ((days-90)/275)*50
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if val > 100 {
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val = 100
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}
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return int(math.Round(val))
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}
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}
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func buildHealthMilestones(smokeFreeMinutes int) []HealthMilestone {
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steps := []struct {
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name string
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minutes int
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}{
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{"心率血压恢复正常", 20},
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{"血氧水平恢复", 8 * 60},
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{"心脏病风险开始下降", 24 * 60},
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{"嗅觉味觉开始恢复", 48 * 60},
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{"肺功能提升 15%", 14 * 24 * 60},
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{"肺功能提升 30%", 30 * 24 * 60},
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{"肺功能提升 50%", 90 * 24 * 60},
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{"心脏病风险降低 50%", 365 * 24 * 60},
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}
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out := make([]HealthMilestone, 0, len(steps))
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for _, step := range steps {
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out = append(out, HealthMilestone{
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Name: step.name,
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Minutes: step.minutes,
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Reached: smokeFreeMinutes >= step.minutes,
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})
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}
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return out
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}
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func daysBetweenInclusive(start, end time.Time) int {
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start = dateOnly(start)
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end = dateOnly(end)
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if end.Before(start) {
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return 0
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}
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return int(end.Sub(start).Hours()/24) + 1
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}
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