补齐相关日志日志

internal/service/horoscope.go

@@ -3,6 +3,7 @@ package service
 import (
 	"context"
 	"encoding/json"
+	"log/slog"
 	"time"
 
 	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/global"
@@ -36,11 +37,14 @@ func (s *HoroscopeService) GetToday(ctx context.Context, userID int64) (*dto.Hor
 	user, err := s.userDao.UserGetByID(ctx, userID)
 	if err != nil {
 		if isNotFound(err) {
+			slog.WarnContext(ctx, "horoscope: user not found", "user_id", userID)
 			return nil, errcode.UserNotFound
 		}
+		slog.ErrorContext(ctx, "horoscope: query user failed", "user_id", userID, "error", err)
 		return nil, errcode.DatabaseError
 	}
 	if user.BirthDay == 0 {
+		slog.InfoContext(ctx, "horoscope: birth day missing", "user_id", userID)
 		return nil, errcode.InvalidParams.WithDetails("请先完善生日信息")
 	}
 
@@ -50,9 +54,14 @@ func (s *HoroscopeService) GetToday(ctx context.Context, userID int64) (*dto.Hor
 	// 1. Redis 优先。
 	if data, cerr := redisdao.HoroscopeGet(ctx, zodiac, statDate); cerr == nil && len(data) > 0 {
 		var response dto.HoroscopeResponse
-		if json.Unmarshal(data, &response) == nil {
+		if uerr := json.Unmarshal(data, &response); uerr == nil {
 			return &response, nil
+		} else {
+			slog.DebugContext(ctx, "horoscope: unmarshal cached data failed, fallback to db",
+				"zodiac", zodiac, "error", uerr)
 		}
+	} else if cerr != nil {
+		slog.DebugContext(ctx, "horoscope: cache read failed, fallback to db", "zodiac", zodiac, "error", cerr)
 	}
 
 	// 2. 回落 MySQL。
@@ -60,9 +69,11 @@ func (s *HoroscopeService) GetToday(ctx context.Context, userID int64) (*dto.Hor
 	if derr != nil {
 		if isNotFound(derr) {
 			// 今日运势尚未生成，异步触发兜底生成，本次返回未生成。
+			slog.InfoContext(ctx, "horoscope: today data missing, trigger fallback generation", "zodiac", zodiac)
 			tokenhub.EnsureTodayFortunes()
 			return nil, errcode.HoroscopeNotFound
 		}
+		slog.ErrorContext(ctx, "horoscope: query db failed", "zodiac", zodiac, "error", derr)
 		return nil, errcode.DatabaseError
 	}
 
@@ -70,7 +81,11 @@ func (s *HoroscopeService) GetToday(ctx context.Context, userID int64) (*dto.Hor
 
 	// 回填缓存，TTL 至次日凌晨。
 	if data, merr := json.Marshal(response); merr == nil {
-		_ = redisdao.HoroscopeSet(ctx, zodiac, statDate, data, ttlUntilNextMidnight())
+		if serr := redisdao.HoroscopeSet(ctx, zodiac, statDate, data, ttlUntilNextMidnight()); serr != nil {
+			slog.DebugContext(ctx, "horoscope: cache backfill failed", "zodiac", zodiac, "error", serr)
+		}
+	} else {
+		slog.DebugContext(ctx, "horoscope: marshal response failed", "zodiac", zodiac, "error", merr)
 	}
 
 	return &response, nil