added caching to chat translation

main.go

@@ -667,6 +667,7 @@ func getMatchChat(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusBadRequest)
 		return
 	}
+	lang, _ := tag[0].Base()
 
 	var translate bool
 	if trans != "" {
@@ -684,6 +685,9 @@ func getMatchChat(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	resp := map[string][]*utils.ChatResponse{}
+	err = rdc.Get(context.Background(), fmt.Sprintf(utils.MatchChatCacheKey, matchId, lang), &resp)
+	if err != nil {
 		tStats, err := db.Messages.Query().Where(messages.HasMatchPlayerWith(matchplayer.HasMatchesWith(match.ID(matchId)))).WithMatchPlayer().All(context.Background())
 		if err != nil {
 			log.Infof("[GMC] match %d not found: %+v", matchId, err)
@@ -691,8 +695,6 @@ func getMatchChat(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-	resp := map[string][]*utils.ChatResponse{}
-
 		for _, stat := range tStats {
 			steamid := strconv.FormatUint(stat.Edges.MatchPlayer.PlayerStats, 10)
 			if _, ok := resp[steamid]; !ok {
@@ -700,7 +702,6 @@ func getMatchChat(w http.ResponseWriter, r *http.Request) {
 			}
 
 			if translate {
-			lang, _ := tag[0].Base()
 				translated, srcLang, err := utils.TranslateWithDeepL(stat.Message, lang.String(),
 					conf.DeepL.BaseURL, conf.DeepL.APIKey, conf.DeepL.Timeout)
 				if err != nil {
@@ -730,6 +731,19 @@ func getMatchChat(w http.ResponseWriter, r *http.Request) {
 			})
 		}
 
+		err = rdc.Set(&cache.Item{
+			Ctx:   context.Background(),
+			Key:   fmt.Sprintf(utils.MatchChatCacheKey, matchId, lang),
+			Value: resp,
+			TTL:   time.Hour * 24 * 30,
+		})
+		if err != nil {
+			log.Errorf("[GMC] Failure saving to cache: %v", err)
+			w.WriteHeader(http.StatusInternalServerError)
+			return
+		}
+	}
+
 	err = utils.SendJSON(resp, w)
 	if err != nil {
 		log.Errorf("[GMC] JSON: %+v", err)

utils/utils.go

@@ -233,6 +233,7 @@ const (
 	shareCodeURLEntry = "https://api.steampowered.com/ICSGOPlayers_730/GetNextMatchSharingCode/v1?key=%s&steamid=%d&steamidkey=%s&knowncode=%s"
 	CachePrefix       = "csgowtfd_"
 	SideMetaCacheKey  = CachePrefix + "side_meta_%d"
+	MatchChatCacheKey = CachePrefix + "chat_%d_%s"
 )
 
 //goland:noinspection SpellCheckingInspection